noSQL Jobs in London

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noSQL Jobs in London

Overview

Looking for high-paying NoSQL jobs in London? Discover the best NoSQL developer and database administrator roles on Haystack, your go-to IT job board. Whether you specialize in MongoDB, Cassandra, or Redis, find top tech companies hiring NoSQL experts in London’s vibrant tech scene. Start your next career move today with the latest NoSQL job listings tailored to your skills and ambitions.

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Software Engineer

Sanderson Government and Defence

Location: CheltenhamBusiness Unit: Central Government, Law Enforcement and National SecurityLevel: Mid-SeniorEmployment Type: PermanentClearance: Must hold active UK Security ClearanceAbout the OpportunityWe are partnering with a leading Engineering business seeking experienced Java Software Engineers to help deliver mission-critical capabilities that protect the UK’s security and prosperity. You will work at the intersection of advanced engineering and real-world problem-solving, developing cutting-edge products that counter evolving threats.Our teams work with leading technologies across AI/DS, Cyber, Cloud, DevOps/SRE, and Platform Engineering , supporting customers across the National Security, Defence and Intelligence community. With long-term programmes secured, this is an opportunity to join a high-growth environment with genuine impact.What You’ll Be DoingDesigning, developing, and maintaining secure, scalable Java applications and microservices using Spring Boot.Translating technical designs into clean, test-driven, production-ready code aligned with engineering best practices.Building and maintaining RESTful APIs and integrating them with databases, messaging systems, and external services.Supporting and evolving core architectural components, ensuring performance, reliability, and scalability.Collaborating with product, architecture, and engineering teams to deliver solutions aligned with user and business needs.Participating in Agile ceremonies and contributing to technical strategy, continuous improvement, and innovation.Key Skills & ExperienceStrong commercial experience with Java and Spring Boot in enterprise or microservices environments.Solid understanding of RESTful API design, service-oriented architectures, and integration patterns.Experience with relational and/or NoSQL databases and ORM frameworks such as JPA/Hibernate.Proficiency with automated testing frameworks and Test-Driven Development (TDD).Familiarity with Maven or Gradle and working across application, service, and data layers.Strong documentation and design discipline, with a curiosity for emerging Java and backend technologies.Why Join?You’ll be part of a trusted engineering organisation with over 60 years of heritage in sensors, communications, cyber, AI and ML. They solve complex challenges that make a tangible difference protecting people, platforms and missions, today and for the future.Reasonable Adjustments:Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.TPBN1_UKTJ

MLOps Tech Lead

Stackstudio Digital Ltd.

+13

Job Details Role / Job Title: MLOps Tech Lead Work Location: London, UK Office Requirement (Hybrid): 2 days per week Key Responsibilities (High-Level) Data Pipeline Development: Lead the technical direction of projects and ensure the use of Sainsbury’s best practices to the best quality.Data Integration: Lead and provide expertise on Integrate data from various sources, ensuring data consistency, integrity, and quality across the entire data lifecycle.Infrastructure Management: Provide guidance for the junior & Mid Data Engineers on the best practices when building and managing data infrastructure, including data lakes, warehouses, and distributed processing systems (e.g., PySpark, Hadoop). The Role As a Tech Lead , you will play a critical role in designing, building, and maintaining data pipelines and infrastructure that enable the development and deployment of machine learning models and drive engineering excellence. You will collaborate closely with data scientists, and lead ML engineers, and software engineers to ensure data is clean, accessible, and optimised for large-scale processing and analysis. Your Responsibilities Data Pipeline Development: Lead the technical direction of projects and ensure the use of Sainsbury’s best practices to the best quality.Data Integration: Lead and provide expertise on Integrate data from various sources, ensuring data consistency, integrity, and quality across the entire data lifecycle.Infrastructure Management: Provide guidance for the junior & Mid Data Engineers on the best practices when building and managing data infrastructure, including data lakes, warehouses, and distributed processing systems (e.g., PySpark, Hadoop).Data Preparation: Collaborate with data scientists to prepare and transform raw data into formats suitable for machine learning, including feature engineering and data augmentation.Automation: Implement automation tools and frameworks (CI/CD) to streamline the deployment and monitoring of machine learning models in production.Performance Optimisation: Optimise data processing workflows and storage solutions to improve performance and reduce costs.Collaboration: Work closely with cross-functional teams, including data science, engineering, and product management, to deliver data solutions that meet business needs.Mentorship: junior and mid-level data engineers and provide technical guidance on best practices and emerging technologies in data engineering and machine learning and helping to enhance their skills and career growth.Knowledge Sharing and Empowerment: Promote a culture of knowledge sharing within the engineering teams by organising regular technical workshops, brown bag sessions, and code reviews.Innovation and Continuous Improvement: Foster a collaborative and inclusive team environment that encourages continuous learning and improvement. Your Profile Essential Skills / Knowledge / Experience Knowledge of machine learning frameworks (e.g., PySpark, PyTorch) and model deployment tools (e.g., MLflow, TensorFlow Serving).Strong experience with data processing frameworks (e.g., Apache Spark, Flink).Expertise in SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Cassandra).Hands-on experience with cloud platforms (e.g., AWS, GCP, Azure) and their data services (e.g., Snowflake, S3, BigQuery, Redshift).Experience with containerisation and orchestration tools (e.g., Docker, Kubernetes).Familiarity with version control systems (e.g., Git) and CI/CD pipelines. Desirable Skills / Knowledge / Experience Certifications: AWS Certified Big Data Specialty, Google Professional Data Engineer, or equivalent. Soft Skills:o Excellent problem-solving and analytical skills.o Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.o Ability to work independently and in a team-oriented, collaborative environment. Leadership and Communication Strong leadership skills with the ability to inspire and guide team.Lead scrum ceremonies as and when needed (Standup, Planning, and grooming sessions).Excellent verbal and written communication skills, with the ability to articulate complex technical concepts.Creating a safe and inclusive environment where all team members feel that their input is valued and are never dissuaded from speaking up or asking questions. Collaborative Attitude Strong team player with a collaborative approach to working with cross-functional teams within the Media Agency.Open to feedback and willing to provide constructive criticism to others.Be available for the team, responding within a reasonable time frame and if not possible clearly sign positing alternative contacts who can guide.Building a community across Media Agency.Contribute to a positive and inclusive atmosphere within the team. Knowledge Sharing and Empowerment Commitment to fostering a learning culture within the team and ensuring knowledge transfer across all levels.Support and mentor C3s and C4s engineers by providing them opportunities to lead initiatives and contribute to the technical roadmap.TPBN1_UKTJ

Senior Java Engineer (Smart Contract)

Job Title: Senior Java Engineer (Smart Contract) Location: London Contract: 12 MonthsAre you a passionate Senior Java Developer looking to make a significant impact in an innovative environment? Our client is seeking a talented individual to join their dynamic team in London, where you’ll design and develop cutting-edge microservices for a next-generation loans processing application. If you thrive in a fast-paced atmosphere and enjoy collaborating with cross-functional teams, this opportunity is for you!What We’re Looking For:

Strong expertise in Java and Spring/Spring boot.

Hands on Smart Contract (Solidity) experience in essential

Experienced in financial services , Ideally Commercial Lons.

Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, and Spring Data

In-depth knowledge of REST API principles and HTTP protocols.

Proficiency in Git, CI/CD, and Agile methodologies.

Familiarity with JIRA, JUnit, and Apache Kafka is preferred.

Experience with NoSQL databases such as CosmosDB and MongoDB.

Exposure to Ethereum, Hyperledger Besu, and EVM-based platforms is a plus.

What You’ll Be Doing:

Collaborate with product owners, business analysts, scrum masters, and fellow developers to create robust solutions.

Design, develop, and implement microservices using Java Spring Boot, ensuring modular, testable, and reusable code.

Craft responsive and intuitive user interfaces with Angular and TypeScript/Java to enhance user experience.

Create RESTful APIs (gRPC) to facilitate smooth communication between microservices and external systems.

Conduct regular code reviews, unit testing, and CI to maintain high standards of code quality.

Develop and present high-level design proposals to stakeholders, showcasing your creativity and vision.

Manage project flow, help refine backlogs, and foster a culture of collaboration among team members.

Support your team in overcoming challenges and ensuring alignment with the project’s overall vision.

Why Join Us?

Exciting Projects: Work on impactful projects that shape the future of loans processing.

Collaborative Culture: Be part of a supportive team that values your input and encourages knowledge sharing.

Growth Opportunities: Expand your knowledge and skills in a fast-evolving tech landscape.

If you’re ready to take your career to the next level and make a real difference, we want to hear from you! Apply now and join our client’s team for an exciting journey in the world of microservices and innovative technology.Don’t miss out on this fantastic opportunity!Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

£Up to £90,000 GBP Hybrid WORKING Location: London; Norwich; Watford; Colchester; Chelmsford; Woking; Chatham; Slough, Central London, Greater London - United Kingdom Type: PermanentMust Have: Active SCJoin a world-class organisation building mission-critical data architectures for Defence, National Security, and Public Sector programmes. Our client is proud to be a Fortune “World’s Most Admired Company” - recognised eight years in a row for innovation, integrity, and long-term excellence. Their commitment to supporting the Armed Forces community has also been honoured with the ERS Gold Award. If you’re passionate about shaping secure, scalable data ecosystems that underpin national security, this is the opportunity for you.As a Data Architect - Defence, you will lead the technical vision and design of high-impact data architectures that support critical programmes. Working directly with customers, you’ll guide the design, development, assessment, and optimisation of data ecosystems across complex Defence and Public Sector environments.You will join a culture grounded in collaboration, integrity, and continuous learning - where your expertise helps set standards, influence strategic direction, and deliver data solutions at the scale and sensitivity that matters.You’ll have the opportunity to:

Provide architectural leadership - serve as the SME for data architecture, guiding strategic decisions and aligning technical design with business and security objectives.

Assess and analyse existing architectures, identify gaps or risks, and recommend improvements to enhance scalability, security, and performance.

Research emerging data technologies and industry best practices; recommend and drive modernisation of data platforms, especially in big data, cloud, AI/ML-ready environments.

Design and implement robust data models, frameworks, standards, and architectural artefacts to support enterprise-wide data initiatives.

Collaborate with engineering, analytics, and business teams to ensure data solutions meet performance, compliance, and security standards.

Establish and enforce data governance, data sharing, and interoperability policies, especially for secure and sensitive data domains.

Document data architecture artefacts, maintain the enterprise architecture repository, and support long-term architecture governance.

Advise on future technology adoption - including AI, ML, automation, or advanced analytics - to keep data ecosystems future-proof.

Key Requirements:

Proven experience as a Data Architect in complex, secure or regulated environments (e.g. defence, government, critical infrastructure).

Deep understanding of data architecture principles for relational, NoSQL, and cloud-based data stores.

Strong familiarity with modern data platforms (AWS, Azure, GCP), data modelling tools, and integration patterns.

Experience assessing existing architectures and making recommendations for improvements.

Knowledge of data governance, data standards, interoperability, compliance, and ethics - especially in secure or regulated data domains.

Awareness of big data technologies, data analytics, visualisation, and data sharing across security domains.

Excellent communication, stakeholder management, and influencing skills - able to work with both technical and non-technical audiences.

Ability to work autonomously and mentor or support junior team members where needed.

Desirable:

Previous experience working on Defence, National Security or Public-Sector data programmes.

Familiarity with AI/ML/data-driven automation initiatives.

Demonstrable interest in research, innovation, and staying current with emerging data technologies.

Benefits:

Competitive compensation (STC)

Opportunity to influence and shape data infrastructure for high-impact Defence and Public-Sector programmes

Professional development and ongoing training

Working on secure, large-scale data initiatives at national level

Hybrid working arrangement (with regular trips to London) and work-life balance

Reference: AON/SCArch#aaon

Lead Software Engineer (Founding Team)

Location: London (Canary Wharf), E14 5RE (Hybrid) Company: BroadbandUK Job Type: Full-Time Were BroadbandUK. We help millions each year make better broadband decisions, because fast, reliable connectivity improves everyday lives. Weve already launched the UKs first address-level price comparison service and a speed test used by over 1 million people. We are profitable, privately funded, and have partnered with brands such as Openreach, Currys, and The Telegraph. But were just getting started. Were growing rapidly and entering an exciting new phase: making accurate broadband data universally accessible, whether checking speeds, switching providers, or moving house. Accurate broadband data is critical when moving home, yet it is notably absent from property listings. Solving this is our next major challenge. We are working at an industry level to ensure broadband becomes a standard for every property listing, defining the data structures that will make this possible. To achieve this, we are transitioning into an AI-first technology company. You will leverage large language models and automated workflows to intelligently match complex datasets, streamline our operations, and give homebuyers the clarity they need to make life-changing decisions. We are seeking a Lead Software Engineer to take ownership of our technical vision and transition into the CTO role. This is a rare opportunity to help build a company from the ground up and become a household name that touches the lives of millions. Be part of a close-knit, ambitious team where youll learn quickly and work on challenges that matter. We hope youll enjoy the journey as much as we do. What youll do As Lead Software Engineer and co-founder, youll play a critical role in shaping the future of BroadbandUK. Youll work directly with the CEO and co-founders to: Mentor a growing team of engineers, guiding graduates and interns as they level up their skills. Shape the architecture and technical direction of our products, balancing scalability with speed of delivery. Design and integrate AI models and algorithms that unlock insights from national connectivity data to tackle real-world challenges. Leverage unique datasets from Ofcom, Openreach, independent networks and ISPs to uncover problems that directly impact how the UK connects. Advance the use of retrieval-augmented generation (RAG), combining LLMs with vector search, to push the boundaries of how AI can be applied to connectivity challenges. Our stack Backend: PHP (Laravel), Python (for AI/ML workflows) Frontend: React, Next.js (preferred), with flexibility for other modern frameworks Infrastructure: AWS (including Lambda, S3, DynamoDB), DigitalOcean Data: MySQL, Redis, NoSQL stores Dev tools: GitHub, CI/CD, Docker AI & Automation: LLM APIs, vector databases, agentic workflow tools, n8n, Claude Code, Cursor Who We Are Looking For We know no one ticks every box, but proven experience in leading engineering teams and building and scaling real-world products is essential . Experience: 5-10+ years of professional software engineering, with a track record of building and scaling real-world products. Strong leadership skills: Guiding teams and setting technical direction. An ownership mindset: You thrive in startup environments, enjoy solving real problems, and learn quickly. Proven impact: Youve built and scaled products, led projects that made a difference, contributed to open-source, or delivered results that truly moved the needle. Why youll love it here Impact from day one: Your work goes live quickly and matters immediately. End-to-end ownership: You own the roadmap and technical direction, not just execution. Big challenges, close-knit team: Complex, national-scale connectivity challenges that stretch you and help you grow fast. Freedom to innovate: We are privately funded and profitable. No VC noise, just product signal. Growth and mentorship: A genuine path to senior leadership, working closely with the founders. We see our team like a world-class orchestra; each person a virtuoso in their craft, together creating impact greater than the sum of our parts. Join us today! If youre looking for the autonomy of a founder with the stability of a profitable business, come and build it with us. If you are tired of red tape and want to ship code that impacts millions of people, send us your CV. Lets build the future of connectivity together. BroadbandUK is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Tags/Skills: Lead Software Engineer, Laravel, React, Python, AWS, AI/ML, n8n, Claude Code, Cursor, Docker, Startups, DevOps TPBN1_UKTJ

We are partnering with a leading consultancy to recruit a Data Architect to join their team on a permanent basis. This role is ideal for someone with experience working in complex Government, Defence, National Security or Critical National Infrastructure environments, and who has a strong track record of designing, assessing, and optimising enterprise-scale data architectures.This position is hybrid, with biweekly travel to their London offices and the remainder mostly remote.Due to the nature of the work, candidates must be eligible for Security Clearance (SC). You must be a sole British passport holder and have lived in the UK for at least five years.Responsibilities:

Provide architectural leadership and act as the SME for data strategy, design, and governance

Assess existing data architectures, identifying gaps, risks, and opportunities for improvement

Develop and maintain enterprise data models, standards, and frameworks

Guide technical teams across the full project lifecycle, from discovery to delivery

Partner with engineering, analytics, and business stakeholders to ensure solutions are performant, secure, and compliant

Establish and maintain data architecture artefacts within the enterprise architecture repository

Support data governance, data ethics, interoperability and cross-domain data sharing

Contribute to emerging technology research, including AI/ML and automation, to enhance future data capabilities

Key Requirements:

Proven experience working as a Data Architect in complex or secure environments

Strong understanding of data architecture principles across relational, NoSQL and cloud-based ecosystems

Experience reviewing, evaluating, and improving existing data platforms

Familiarity with modern cloud platforms (AWS, Azure or GCP) and data modelling tools

Awareness of data analytics, visualisation, data standards, data ethics, and interoperability

Technical experience with modern data tooling, integration patterns, and scripting

Strong communication and influencing skills, with the ability to work collaboratively across technical and non-technical stakeholders

Ability to work autonomously while supporting junior members of the delivery team

This is an exciting opportunity to play a key role in shaping mission-critical data ecosystems while benefiting from strong career development, ongoing training, and exposure to modern data and cloud technologies.If you have practical experience in data architecture and want to progress your career on impactful, nationally significant projects, get in touch to learn more!

Senior Golang Developer - Kubernetes - Financial Services

Rothstein Recruitment Ltd

+11

Excellent opportunity opens for an experienced Developer strong on Golang with experience in AWS and Kubernetes to join a highly regarded Financial Services entity’s London office. You will act as the team lead and play a key role in building mission-critical financial applications that power trading, investment, and risk management systems across the firm.If you are passionate about working in a dynamic, fast-paced environment and are eager to apply your technical expertise to the financial services industry, this is the role for you.Key Responsibilities:

Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services, including trading platforms, investment systems, and risk management tools.

Build and deploy cloud-based solutions using Amazon Web Services (AWS), including services such as EC2, S3, RDS, DynamoDB, and Lambda to create scalable, reliable, and secure infrastructure.

Implement and manage containerized applications using Kubernetes, ensuring seamless orchestration, scaling, and resilience in a cloud environment.

Write clean, efficient, and well-documented code while following best practices for financial systems development, focusing on performance and security.

Collaborate with other development teams, business analysts, and stakeholders to define and refine requirements, and ensure that applications meet financial regulatory standards and business needs.

Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services.

Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production systems.

Proactively identify issues and bottlenecks in existing systems and propose solutions to improve the system’s performance and scalability.

Stay updated with new tools, technologies, and industry trends in cloud computing, containerization, and financial systems to continuously improve development practices and outcomes.

Ideal Skills:

Proven experience (2+ years) in GoLang Back End development, with a strong focus on performance optimization and building scalable systems for high-volume, high-frequency financial applications.

Strong experience working with Amazon Web Services (AWS), including EC2, S3, RDS, DynamoDB, Lambda, and other cloud-native technologies.

Hands-on experience with Kubernetes for deploying, managing, and scaling containerized applications in a cloud environment.

Solid understanding of financial systems and services, particularly in areas such as trading platforms, investment management, and risk analytics.

Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems.

Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices.

Experience with database systems (relational and NoSQL) and working with financial data.

Familiarity with DevOps practices and tools to streamline the development life cycle, such as infrastructure-as-code (eg, Terraform or CloudFormation).

Ability to troubleshoot and resolve issues in production environments, ensuring uptime and performance in high-pressure, mission-critical scenarios.

Excellent communication skills to collaborate effectively with cross-functional teams and stakeholders in a fast-paced financial environment.

Experience with serverless computing (AWS Lambda, etc.) to create efficient and scalable solutions.

Knowledge of financial industry regulations and standards, particularly around data security and privacy.

Familiarity with event-driven architectures or message queues (eg, Kafka, RabbitMQ) for Real Time data processing.

Experience with automated testing frameworks and continuous delivery tools like Jenkins, GitLab CI, or CircleCI.

Understanding of performance monitoring and observability tools such as CloudWatch, Prometheus, or Datadog.

Interested? Please Apply!Golang Go AWS Kubernetes Terraform Bank Banking Finance Financial Services Crypto Blockchain Web3 Trading Exchange Digital Assets Hybrid Flexible Developer Software Engineer Backend Developer Golang Engineer Kafka Apache Kafka RabbitMQ AWS Lambda Cloud Platform

AWS Architect

ECM Selection (Holdings) Limited

Developing cloud infrastructure to facilitate healthcare researchLondon, remote or hybrid; 65k - 95k dep. on experienceUse your AWS expertise to build secure and scalable cloud infrastructure that will facilitate research and development within the healthcare sector!This company’s diagnostics visualisation platform allows medical researchers to visualise and analyse clinical data in order to develop new treatments that will massively improve the lives of patients. Key to this is the creation of secure multi-tenant and multi-region storage solution that allows swift and secure access to various types of data. Data security and integrity is of paramount importance, and the solution needs to be compliant with healthcare industry software standards.This role calls for strong AWS skills, rapid application development, and software development skills, a solid understanding of security aspects. You will also need excellent communication, collaboration, and organisational skills. Of prime importance is that you take a holistic, not just technical, view, and be proactive in reaching out to colleagues and clients to fully understand the product’s requirements, stakeholders, and how it sits within the company’s broader mission of creating world-leading software tools to further medical research.Reporting directly to the Technical Product Lead, you’ll be contributing to product architecture, designing and implementing services, and data pipelines; developing automated testing and CI/CD infrastructure.You will need:

A 1st or 2.1 in Computer Science, Engineering, or a similarly relevant discipline, and substantial commercial software engineering experience; to be au fait with Agile ceremonies, version control, and CI/CD, and software testing.

Solid expertise in developing and deploying microservices on AWS; knowledge of Infrastructure-as-Code; DevOps, and experience with NoSQL databases.

Demonstrably good coding skills, ideally in Java and / or Python; knowledge of RESTful APIs and service integration patterns and security frameworks such as OAuth 2.0 or OpenID Connect (OIDC).

You must have full, existing, and unrestricted right to work in the UK.

Not essential, but the following would be a bonus: Skills in containerisation/orchestration (Docker, Kubernetes etc.); IaC; DynamoDB; Spring Boot and Gradle; knowledge of standards such as ISO 13485 or IEC 62304.This role is predominantly remote, with occasional attendance of the company’s London office - you will therefore need to be based in the UK within a convenient travel distance. The role features an excellent salary, benefits package, and an option scheme. This is a great chance to make your mark in a company focussed on improving people’s lives.Another top job from ECM, the high-tech recruitment experts.Even if this job’s not quite right, do contact us now - we may well have the ideal job for you. To discuss your requirements call ecm or email your CV. We will always ask before forwarding your CV.Please apply (quoting ref: CV27559) only if you are eligible to live and work in the UK. By submitting your details you certify that the information you provide is accurate.

We believe in better. And we make it happen.Better content. Better products. And better careers.Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate.We turn big ideas into the products, content and services millions of people love.And we do it all right here at Sky.As the DevOps Engineer, you will be responsible for designing, implementing, and maintaining the infrastructure and processes that enable continuous integration, delivery, and deployment of software applications. This position will also involve collaborating with development and operations teams to streamline workflows, automate repetitive tasks, and ensure the reliability, scalability, and security of the production environment. The position may involve being available for on-call duties as part of a scheduled roster.What you’ll do

Lead and manage a team of DevOps engineers responsible for the development , deployment, and maintenance of infrastructure and automation systems

Oversee the design, implementation , and optimization of DevOps products and workflows

Collaborate with cross- functional teams, including product management, operations , video engineering, and monitoring, to ensure seamless delivery of infrastructure services

Monitor and troubleshoot infrastructure delivery issues , ensuring high availability , quality of service

Implement and manage cost optimization strategies to ensure efficient use of resources and budget control

Stay current with industry trends and emerging technologies , incorporating them into the team’s projects as appropriate

Provide mentorship and professional development opportunities for team members , fostering a culture of continuous learning and improvement

Manage team WIP limits , roadmaps, timelines, and resources to ensure successful delivery of multiple projects

What you’ll bring

Experience working on multiple projects as part of a cross- functional team

Working with architecture teams to design scalable , fault- tolerant , and cost- efficient solutions

Passion for researching and implementing new technologies

Experience with mentoring/knowledge-sharing

Proven experience in coding with a programming/scripting language (e.g. Java, Golang , Javascript , Python, Bash)

Proven experience in IAC frameworks (e.g. Terraform , Ansible , Pulumi )

Proven experience in using LINUX/UNIX

Proven experience in using the GitOps approach and related tools (e.g. ArgoCD , FluxCD )

Proven experience in working with DB (RDBMS or NoSQL )

Proven experience in a containerized environment (k8s, docker ) and tools ( kubectl , Helm, kustomize , docker -compose)

Proven experience in networking and security standards, protocols and best practices

Proven experience in logging systems (e.g. ELK stack )

Proven experience in monitoring systems (e.g. Prometheus )

Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger)

Experience in performance optimization and resource management

Relevant certifications (AWS, Google)

Understanding of Agile methodologies

Ability to diagnose and resolve service- affecting issues in a Broadcast/ Livestream environment

Pro- active attitude

Team overviewAs a DevOps team within a prestigious broadcasting organization, we work closely with architecture, support , playout , distribution teams, and creative collaborators to bring innovative solutions to life. Our primary goal is to deliver end-to-end systems that meet the unique needs of our customers, starting from the initial concept and design phase all the way through to the deployment of a fully operational, polished product.We pride ourselves on being a small but highly efficient and well-structured team, with clearly defined roles that leverage each member’s strengths to ensure seamless project execution. Our collaborative approach and strong communication channels enable us to adapt to dynamic requirements, maintain high-quality standards, and consistently deliver impactful solutions that enhance broadcasting workflows and audience engagementContent technology and innovationOur Content Technology and Innovation team delivers high-quality content to homes, customer devices, businesses and commercial partners across our European markets. With over 2500 colleagues from around the world, we combine our strategic insights, engineering know-how and operational excellence to use the most innovative technologies to create and distribute our award-winning content!The rewardsThere’s one thing people can’t stop talking about when it comes to : the perks . Here’s a taster:

Sky Q, for the TV you love all in one place

The magic of Sky Glass at an exclusive rate

A generous pension package

Private healthcare

Discounted mobile and broadband

A wide range of Sky VIP rewards and experiences

Inclusion & how you’ll workRecognised by The Times and Stonewall, we take pride in our approach to diversity and inclusion. Investing in society, fighting racial injustice and setting ambitious targets for representation at Sky.We’ve embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You’ll find out more about what hybrid working looks like for your role later on in the recruitment process.Your office spaceOsterleyOur Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers.On campus, you’ll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon.We’d love to hear from youInventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It’s a place where you can explore what if, how far, and what next.But better doesn’t stop at what we do, it’s how we do it, too. We embrace each other’s differences. We support our community and contribute to a sustainable future for our business and the planet.If you believe in better, we’ll back you all the way.Just so you know: if your application is successful, we’ll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

MLOps Tech Lead

Stackstudio Digital Ltd.

Job DetailsRole / Job Title:MLOps Tech LeadWork Location:London, UKOffice Requirement (Hybrid):2 days per weekKey Responsibilities (High-Level) Data Pipeline Development: Lead the technical direction of projects and ensure the use of Sainsbury’s best practices to the best quality. Data Integration: Lead and provide expertise on Integrate data from various sources, ensuring data consistency, integrity, and quality across the entire data lifecycle. Infrastructure Management: Provide guidance for the junior & Mid Data Engineers on the best practices when building and managing data infrastructure, including data lakes, warehouses, and distributed processing systems (e.g., PySpark, Hadoop).The RoleAs a Tech Lead, you will play a critical role in designing, building, and maintaining data pipelines and infrastructure that enable the development and deployment of machine learning models and drive engineering excellence. You will collaborate closely with data scientists, and lead ML engineers, and software engineers to ensure data is clean, accessible, and optimised for large-scale processing and analysis.Your Responsibilities Data Pipeline Development: Lead the technical direction of projects and ensure the use of Sainsbury’s best practices to the best quality. Data Integration: Lead and provide expertise on Integrate data from various sources, ensuring data consistency, integrity, and quality across the entire data lifecycle. Infrastructure Management: Provide guidance for the junior & Mid Data Engineers on the best practices when building and managing data infrastructure, including data lakes, warehouses, and distributed processing systems (e.g., PySpark, Hadoop). Data Preparation: Collaborate with data scientists to prepare and transform raw data into formats suitable for machine learning, including feature engineering and data augmentation. Automation: Implement automation tools and frameworks (CI/CD) to streamline the deployment and monitoring of machine learning models in production. Performance Optimisation: Optimise data processing workflows and storage solutions to improve performance and reduce costs. Collaboration: Work closely with cross-functional teams, including data science, engineering, and product management, to deliver data solutions that meet business needs. Mentorship: junior and mid-level data engineers and provide technical guidance on best practices and emerging technologies in data engineering and machine learning and helping to enhance their skills and career growth. Knowledge Sharing and Empowerment: Promote a culture of knowledge sharing within the engineering teams by organising regular technical workshops, brown bag sessions, and code reviews. Innovation and Continuous Improvement: Foster a collaborative and inclusive team environment that encourages continuous learning and improvement.Your ProfileEssential Skills / Knowledge / Experience Knowledge of machine learning frameworks (e.g., PySpark, PyTorch) and model deployment tools (e.g., MLflow, TensorFlow Serving). Strong experience with data processing frameworks (e.g., Apache Spark, Flink). Expertise in SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Cassandra). Hands-on experience with cloud platforms (e.g., AWS, GCP, Azure) and their data services (e.g., Snowflake, S3, BigQuery, Redshift). Experience with containerisation and orchestration tools (e.g., Docker, Kubernetes). Familiarity with version control systems (e.g., Git) and CI/CD pipelines.Desirable Skills / Knowledge / Experience Certifications: AWS Certified Big Data Specialty, Google Professional Data Engineer, or equivalent.Soft Skills: o Excellent problem-solving and analytical skills. o Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders. o Ability to work independently and in a team-oriented, collaborative environment.Leadership and Communication Strong leadership skills with the ability to inspire and guide team. Lead scrum ceremonies as and when needed (Standup, Planning, and grooming sessions). Excellent verbal and written communication skills, with the ability to articulate complex technical concepts. Creating a safe and inclusive environment where all team members feel that their input is valued and are never dissuaded from speaking up or asking questions.Collaborative Attitude Strong team player with a collaborative approach to working with cross-functional teams within the Media Agency. Open to feedback and willing to provide constructive criticism to others. Be available for the team, responding within a reasonable time frame and if not possible clearly sign positing alternative contacts who can guide. Building a community across Media Agency. Contribute to a positive and inclusive atmosphere within the team.Knowledge Sharing and Empowerment Commitment to fostering a learning culture within the team and ensuring knowledge transfer across all levels. Support and mentor C3s and C4s engineers by providing them opportunities to lead initiatives and contribute to the technical roadmap.

GenAI Full Stack Engineer - Consultant / Senior Consultant

Salary: £45,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare optionsJob Type: Permanent - Hybrid / 2 x days per week - Travel to client siteBase Locations: London, Manchester, Newcastle, GlasgowOverview:We’re looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You’ll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical solutions and competitive propositions that are scalable, secure, and sustainable.Your Role:

Collaborate with the team to develop GenAI proof-of-concepts (POCs) for clients using technologies like Retrieval-Augmented Generation (RAG) and intelligent agents.

Scale existing POCs to production-ready solutions for customer use.

Design and develop Full Stack applications for both GenAI and non-GenAI projects.

Support the development of infrastructure to enable robust end-to-end solutions.

Grow your skills by exploring and experimenting with emerging technologies, including GenAI.

Your skills and experience:

Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent

Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite.

GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript).

LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama.

Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment.

Containerization and Orchestration: Hands-on experience with Docker, Kubernetes, and Docker Compose.

Infrastructure as Code (IaC): Exposure to tools like Terraform.

Monitoring Tools: Familiarity with LLM monitoring tools like Langsmith, Langfuse, or similar.

CI/CD: Experience with continuous integration and deployment tools such as GitLab, GitHub, or Jenkins.

Vector Databases: Experience with and (but not limited to) ChromaDB, Pinecone, PGVector, MongoDB , Qdrant etc.

NoSQL: Familiarity with NoSQL databases (e.g., MongoDB preferred).

SQL: Experience working with SQL databases like PostgreSQL.

Proficient in Git and version control platforms like GitHub, GitLab, etc.

To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance.

Data Engineer - Central Gov - SC Cleared

SC-Cleared Data Engineer/Architect – NoSQL/PostgreSQL (UK Government Project) Inside IR35 | Remote with 1 Day per Month in London | Start: January 2026 We are seeking SC-cleared Data Engineers and Architects with experience across NoSQL and PostgreSQL technologies to support a major UK Government transformation programme starting in January 2026. The work will involve re-architecting a monolithic system into a microservices-based platform, contributing to data design, ownership models, and migration activity within a modern, AWS-hosted environment. Exposure to MongoDB is beneficial but not essential. Key Experience Required Experience as a Data Engineer or Architect in distributed/cloud-based systems Proficiency with NoSQL databases (e.g. MongoDB, DynamoDB, Cassandra) and PostgreSQL Data modelling and ownership design for microservices architectures Familiarity with AWS and automation/scripting for deployment and migrations Strong understanding of database performance, indexing, and security Essential Requirements Active SC Clearance UK Government or regulated public sector experience Remote-based, with one mandatory onsite day per month in London (non-expensable) Start date: January 2026 May be required to complete a short technical assessmentTo register interest and join our SC-cleared talent pipeline, please submit your CV outlining your relevant experience and clearance status

SC Cleared Data Engineer – Data Migration (AWS) - Outside IR35

SC Cleared Data Engineer – Data Migration (AWS / PostgreSQL / NoSQL) Rate: Up to £500/day (Outside IR35) Contract Length: Initial contract (extension possible) Location: Remote (UK-based) Clearance: Active SC clearance required Start: ASAP We are supporting a consultancy delivering a secure data migration programme and are looking for an experienced SC Cleared Data Engineer to support the migration of legacy data into a new cloud-based architecture. The role focuses on migrating XML-based data into modern database platforms, supporting a case management system, and working within an AWS environment. This is a hands-on engineering role requiring strong data transformation, mapping and scripting experience. Key Responsibilities Design and build data migration and transformation pipelines Migrate XML-based data into PostgreSQL and NoSQL databases Perform detailed data mapping from source to target schemas Develop and maintain data processing scripts using Python Work closely with Data Architects to implement target-state designs Ensure data quality, integrity and consistency throughout migration Support testing, validation and reconciliation activities Operate within secure and regulated delivery environmentsEssential Experience Proven experience as a Data Engineer on data migration projects Strong Python development experience for data processing Hands-on experience with PostgreSQL and NoSQL databases Experience migrating or transforming XML-based data AWS cloud experience Strong data mapping and validation skills Experience working in secure or regulated environments Active SC clearance is essentialDesirable Experience Experience working with case management platforms (e.g. Appian) Public sector or government programme experienceThis is an excellent opportunity to work on a remote, Outside IR35 contract delivering a high-impact data migration programme. If you meet the above requirements and are available for an immediate start, please get in touch for further details. ChatGPT can make mistakes. Check important info

Generative AI Consultant

GenAI Full Stack Engineer - Consultant/Senior ConsultantSalary: £45,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare optionsJob Type: Permanent - Hybrid/2 x days per week - Travel to client siteBase Locations: London, Manchester, Newcastle, GlasgowOverview:We’re looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You’ll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical solutions and competitive propositions that are scalable, secure, and sustainable.Your Role:

Collaborate with the team to develop GenAI proof-of-concepts (POCs) for clients using technologies like Retrieval-Augmented Generation (RAG) and intelligent agents.

Scale existing POCs to production-ready solutions for customer use.

Design and develop Full Stack applications for both GenAI and non-GenAI projects.

Support the development of infrastructure to enable robust end-to-end solutions.

Grow your skills by exploring and experimenting with emerging technologies, including GenAI.

Your skills and experience:

Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent

Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite.

GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript).

LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama.

Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment.

Containerization and Orchestration: Hands-on experience with Docker, Kubernetes, and Docker Compose.

Infrastructure as Code (IaC): Exposure to tools like Terraform.

Monitoring Tools: Familiarity with LLM monitoring tools like Langsmith, Langfuse, or similar.

CI/CD: Experience with continuous integration and deployment tools such as GitLab, GitHub, or Jenkins.

Vector Databases: Experience with and (but not limited to) ChromaDB, Pinecone, PGVector, MongoDB, Qdrant etc.

NoSQL: Familiarity with NoSQL databases (eg, MongoDB preferred).

SQL: Experience working with SQL databases like PostgreSQL.

Proficient in Git and version control platforms like GitHub, GitLab, etc.

To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance.If you’re ready to take the next step in your career and thrive in a fast-paced, innovative environment, we want to hear from you! Please send updated CV

Lead Software Engineer (Founding Team)

Broadband (UK) Limited

Location: London (Canary Wharf), E14 5RE (Hybrid) Company: BroadbandUK Job Type: Full-Time We’re BroadbandUK. We help millions each year make better broadband decisions, because fast, reliable connectivity improves everyday lives. We’ve already launched the UK’s first address-level price comparison service and a speed test used by over 1 million people. We are profitable, privately funded, and have partnered with brands such as Openreach, Currys, and The Telegraph. But we’re just getting started. We’re growing rapidly and entering an exciting new phase: making accurate broadband data universally accessible, whether checking speeds, switching providers, or moving house. Accurate broadband data is critical when moving home, yet it is notably absent from property listings. Solving this is our next major challenge. We are working at an industry level to ensure broadband becomes a standard for every property listing, defining the data structures that will make this possible. To achieve this, we are transitioning into an AI-first technology company. You will leverage large language models and automated workflows to intelligently match complex datasets, streamline our operations, and give homebuyers the clarity they need to make life-changing decisions. We are seeking a Lead Software Engineer to take ownership of our technical vision and transition into the CTO role. This is a rare opportunity to help build a company from the ground up and become a household name that touches the lives of millions. Be part of a close-knit, ambitious team where you’ll learn quickly and work on challenges that matter. We hope you’ll enjoy the journey as much as we do. What you’ll do As Lead Software Engineer and co-founder, you’ll play a critical role in shaping the future of BroadbandUK. You’ll work directly with the CEO and co-founders to: * Mentor a growing team of engineers, guiding graduates and interns as they level up their skills. * Shape the architecture and technical direction of our products, balancing scalability with speed of delivery. * Design and integrate AI models and algorithms that unlock insights from national connectivity data to tackle real-world challenges. * Leverage unique datasets from Ofcom, Openreach, independent networks and ISPs to uncover problems that directly impact how the UK connects. * Advance the use of retrieval-augmented generation (RAG), combining LLMs with vector search, to push the boundaries of how AI can be applied to connectivity challenges. Our stack * Backend: PHP (Laravel), Python (for AI/ML workflows) * Frontend: React, Next.js (preferred), with flexibility for other modern frameworks * Infrastructure: AWS (including Lambda, S3, DynamoDB), DigitalOcean * Data: MySQL, Redis, NoSQL stores * Dev tools: GitHub, CI/CD, Docker * AI & Automation: LLM APIs, vector databases, agentic workflow tools, n8n, Claude Code, Cursor Who We Are Looking For We know no one ticks every box, but proven experience in leading engineering teams and building and scaling real-world products is essential. * Experience: 5-10+ years of professional software engineering, with a track record of building and scaling real-world products. * Strong leadership skills: Guiding teams and setting technical direction. * An ownership mindset: You thrive in startup environments, enjoy solving real problems, and learn quickly. * Proven impact: You’ve built and scaled products, led projects that made a difference, contributed to open-source, or delivered results that truly moved the needle. Why you’ll love it here * Impact from day one: Your work goes live quickly and matters immediately. * End-to-end ownership: You own the roadmap and technical direction, not just execution. * Big challenges, close-knit team: Complex, national-scale connectivity challenges that stretch you and help you grow fast. * Freedom to innovate: We are privately funded and profitable. No VC noise, just product signal. * Growth and mentorship: A genuine path to senior leadership, working closely with the founders. “We see our team like a world-class orchestra; each person a virtuoso in their craft, together creating impact greater than the sum of our parts.” Join us today! If you’re looking for the autonomy of a founder with the stability of a profitable business, come and build it with us. If you are tired of red tape and want to ship code that impacts millions of people, send us your CV. Let’s build the future of connectivity together. BroadbandUK is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Tags/Skills: Lead Software Engineer, Laravel, React, Python, AWS, AI/ML, n8n, Claude Code, Cursor, Docker, Startups, DevOps

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Frequently asked questions

What types of NoSQL jobs are available in London?

London offers a wide range of NoSQL jobs including roles such as NoSQL Database Administrator, NoSQL Developer, Data Engineer specializing in NoSQL technologies, and Solutions Architect with expertise in NoSQL databases like MongoDB, Cassandra, and Redis.

What skills are most in demand for NoSQL jobs in London?

Employers in London typically look for skills in specific NoSQL databases (e.g., MongoDB, Cassandra, DynamoDB), proficiency in query languages, experience with data modeling for NoSQL systems, knowledge of cloud platforms like AWS or Azure, and understanding of distributed database architectures.

Are there entry-level NoSQL job opportunities in London?

Yes, there are entry-level positions and graduate roles focused on NoSQL technologies. These often include junior developer roles or internships where candidates can gain hands-on experience with NoSQL databases and related tools.

How can I apply for NoSQL jobs listed on this IT job board?

Browse the NoSQL job listings on our platform, select the roles that interest you, and click the 'Apply' button. You may need to upload your CV and cover letter or link your LinkedIn profile depending on the employer's application process.

Do NoSQL jobs in London offer remote or hybrid work options?

Many NoSQL job opportunities in London offer flexible working arrangements, including remote and hybrid options. Job descriptions usually specify the work model, so be sure to check each listing for details.

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