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AWS Jobs in London

Overview

Discover top AWS jobs in London with Haystack – your go-to IT job board for cloud computing careers. Explore the latest opportunities for AWS developers, architects, and engineers in the heart of the UK’s tech hub. Start your cloud career journey today with Haystack and land your dream AWS role in London!

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We are is seeking an experienced Data Architect to partner with leading financial services clients in delivering innovative, scalable, and secure data solutions.

What you’ll do:

Collaborate with clients to assess data needs, design architectures, and develop roadmaps aligned to business and data strategies.

Translate business requirements into robust, compliant, and future-proof technical solutions.

Design and implement data warehousing solutions, data lakes, and ETL processes.

Ensure alignment of data architecture with organisational goals and regulatory standards.

Keep ahead of emerging technologies and best practices in data architecture, analytics, and cloud platforms.

Essential:

Strong understanding of the financial services industry.

Extensive knowledge of scalable, efficient, and secure data architecture.

Experience with data warehousing, data lakes, ETL processes.

Proficiency in logical and physical data modelling.

Knowledge of cloud platforms (AWS, Azure, Google Cloud, Snowflake).

Excellent communication and stakeholder management skills.

Proactive approach to emerging technologies and Microsoft tech stack.

Data Solution Architect

Contract - Data Solution Architect Outside IR35 Rate Circa £600 per Day 6 Months + extensions likely Mainly remote - Hybrid in London initially Our client are looking for a Data/Solution Architect on a contract basis to play an instrumental part in a programme of work that will have a industry wide impact on the Rail Industry in the UK. The programme, aims to transform the rail industry’s revenue allocation system through a suite of technology upgrades and methodological improvements. Key enhancements include migrating the platform to Google Cloud Platform (GCP), implementing a modern BigQuery-based Data Warehouse, and replacing the legacy solution for allocation factor calculation with an innovative, graph database-driven solution. Duties:

Lead the design of data architectures and the development and optimisation of ETL/ELT pipelines to enable seamless integration of data from multiple sources, including raw datasets and outputs from GraphDB (NEO4J), hosted on Google Cloud Platform (GCP).

Create and document technical solution designs, including detailed specifications.

Address complex technical challenges such as performance optimisation, data traceability, and managing large-scale data sets.

Oversee quality assurance across environment configuration, query development, data processing, staging tables, and related components.

Facilitate and lead technical meetings to advance data modelling techniques and validate outcomes.

Engage with Programme Architects to ensure solutions are aligned with organisational principles and receive appropriate stakeholder support.

Skills and Experience:

Minimum of 5 years of hands-on experience in data architecture or related roles.

Proven ability to process large and complex datasets.

Proficient in a broad range of data analysis techniques and methodologies.

Experience designing and building data analysis tools/environments, including event-based scenario modelling systems.

Strong background in integrating data from multiple disparate sources.

Skilled at deriving business insights and translating complex data into accessible insights for non-technical stakeholders.

Extensive experience with data architecture and data systems.

Strong data modelling capabilities.

Demonstrated expertise in designing data-driven solutions.

Excellent stakeholder management and communication skills.

Familiarity with the rail industry is beneficial, but not essential.

Proficiency in data visualisation and reporting tools such as Tableau, Power BI, and AWS QuickSight.

Experience with AWS data platforms and services.

Knowledge of Google Cloud Platform (GCP).

Experience with GraphDB (NEO4J) is an advantage.

Familiarity with analytical shadowing is a plus.

InterQuest Group is acting as an employment agency for this vacancy. InterQuest Group is an equal opportunities employer and we welcome applications from all suitably qualified persons regardless of age, disability, gender, religion/belief, race, marriage, civil partnership, pregnancy, maternity, sex or sexual orientation. Please make us aware if you require any reasonable adjustments throughout the recruitment process.

Java Developer - Active SC

Hays Specialist Recruitment Limited

Up to £640 per day (Inside IR35)

London / Remote

6 months

My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme.

Key Requirements:

Proven experience working as a Lead Java Developer within the public sector

Active Security Clearance (SC)

Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries

Spring Boot: Expert in building RESTful APIs and microservices

AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.)

Kafka / Messaging Systems: Expertise in building event-driven architectures

SQL: Strong experience with relational databases and query optimization

REST / JSON APIs: Designing, developing, and consuming scalable APIs

Docker: Proficiency in containerizing applications for local and cloud environments

Communication: Excellent communication skills to convey complex ideas effectivel

Nice to have:

JavaScript & ReactJS: Experience building or integrating with front-end applications

Linux in a containerised environment

Immediate availability

If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at hays.co.uk

Senior Software Developer

Senior Software Developer - £100k - Discretionary Bonus - Hybrid****OverviewWe are partnering with a global digital marketing and technology agency specialising in online gaming to hire a Senior Software Developer. In this senior role, you’ll take technical ownership of solutions end-to-end, mentor junior developers, and ensure delivery of highly scalable, high-availability platforms that drive cutting-edge online gaming experiences.You’ll also play a senior position in driving the move from a PHP-heavy stack to a modern TypeScript/React front end, helping define and deliver greenfield solutions with a premium, customer-first focus.Role and Responsibilities

Drive full-stack development projects, ensuring high-quality delivery across both frontend and backend.

Act as a technical lead for React/TypeScript adoption, mentoring the team (currently PHP-heavy) and raising overall capability.

Architect and implement scalable, performant solutions that power high-traffic, real-time platforms.

Take ownership of key greenfield projects, shaping the technical direction for premium UI/UX.

Collaborate with cross-functional teams to align technical solutions with business goals.

Support DevOps and CI/CD initiatives where possible.

Essential Skills and Experience

Proven experience with PHP (backend) and TypeScript/React (frontend).

Track record of leading or mentoring in engineering teams.

Experience building greenfield projects (not templated CMS like WordPress).

Familiarity with Node.js/NestJS is desirable but not essential.

Strong understanding of design patterns, scalability, and system performance.

DevOps experience (Docker, AWS, CI/CD pipelines) would be highly valued.

Strong database expertise (MySQL and diverse storage paradigms).

Nice to have: Prior experience in the iGaming industry or similar complex transactional platforms.

Package

c£100,000

Discretionary Bonus

Hybrid (4x week in London)

Benefits: Private healthcare & dental, pension scheme, income protection, stock options, gym & yoga studio, wellness initiatives, retail discounts, 25-30 days holiday, and more.

Lead Software Developer Python and JavaScript

Harnham - Data & Analytics Recruitment

Remote - London (Twice Per Month)

Up to £65,000 + Benefits

We’re working with a world-renowned organisation at the forefront of science and digital innovation who are looking for a Lead Developer to join a major national programme. This is a fantastic opportunity to take ownership of building and leading a team delivering cutting-edge digital infrastructure that will transform how vital scientific data is accessed and shared across the UK and beyond.

The roleAs Lead Developer, you’ll provide senior technical direction and hands-on expertise in designing and implementing scalable, secure infrastructure. You’ll be responsible for shaping architectural decisions, integrating cloud-based and bespoke solutions, and ensuring robust delivery of complex technical projects. Alongside this, you’ll build and mentor a small but growing engineering team while collaborating closely with programme managers, senior stakeholders, and technical partners.

Key responsibilities:

Lead and grow a technical team delivering a new digital infrastructure programme.

Provide hands-on technical input, writing high-quality code and driving architecture decisions.

Design and implement secure, scalable backend systems and cloud infrastructure.

Build robust data pipelines to manage and mobilise large-scale datasets.

Collaborate with external suppliers, partners, and stakeholders to align delivery.

What we’re looking for:

At least 5 years of experience delivering full-stack software development (Python backend, JavaScript frontend).

Strong background in backend infrastructure - SQL/NoSQL, event stores, cloud storage.

Proven experience in architecting secure, scalable systems in AWS, Azure, or GCP.

Experience with CI/CD pipelines, agile delivery, and technical leadership.

Excellent communication skills and ability to work with senior stakeholders.

What’s on offer:

Salary up to £65,000

Hybrid working - 1 day per week in London, with some UK travel

Generous annual leave and pension scheme

Wellbeing and flexible working support

A unique opportunity to contribute to a nationally significant digital transformation programme with global impact

If you’re a technically strong, forward-thinking engineer ready to step into a leadership role, this is your chance to make a real impact.

DevOps / Cloud Infrastructure Engineer

Up to £100k + benefits Hybrid (London or Cambridge, 3 days per week)

I’m currently working with a fast-growing AI-driven technology company that is scaling its infrastructure team. They’re looking to hire an experienced DevOps / Cloud Infrastructure Engineer to join a six-person team and help build out their Kubernetes and cloud environment.

The Role

This role is very much hands-on and focused on building rather than just maintaining infrastructure. You’ll be:

Delivering medium-sized projects around scaling and infrastructure components.

Migrating parts of the existing stack into Kubernetes (EKS on AWS).

Solving complex scaling and pipeline issues as they arise.

Supporting wider engineering teams - product, security, R&D, and AI - by building the foundations they rely on.

Bringing depth of Kubernetes/EKS knowledge to help the team overcome technical barriers.

Contributing ideas and helping raise capability across the team.

Taking part in an out-of-hours escalation rota.

Tech Environment

Core: Kubernetes (EKS on AWS), Karpenter, Prometheus, Terraform.

Preferred: Service mesh (Cilium or similar), Flux/Argo, Ansible.

Bonus: High-performance compute/GPUs in Kubernetes.

What They’re Looking For

5-10 years’ hands-on Kubernetes (EKS on AWS) experience - ABSOLUTE MUST

Strong skills with Terraform, Prometheus, and scaling infra.

Collaborative and adaptable in a fast-paced environment where priorities shift quickly.

Ability to solve technical challenges and mentor others through example.

Culture

The environment is fast-moving, with priorities that change quickly in line with business needs. It’s collaborative, technical, and high-output - you’ll be working with some of the best engineers in the business, in a team where everyone’s input is valued.

Location & Working Model

Hybrid: 3 days per week in either London or Cambridge.

They may flex to fewer days for an exceptional candidate, but hybrid working is an important part of the role.

Salary & Process

Salary benchmark: Up to £100k

Interview process:

Initial remote interview (culture/fit).

In-person technical test.

If you’re interested, please send your most updated CV to

Rates depend on experience and client requirements

Data Architect / Consultant DV Clearance

Data Architect / Consultant (DV Clearance) Client travel to £100k

Are you a Data Architect / Consultant with active DV Clearance?

You could be progressing your career in a senior, hands-on role at a UK based Technical Consultancy that focus on cybersecurity projects.

As a Data Architect / Consultant you’ll collaborate closely with clients to understand their requirements and then design data focussed solutions that incorporate modern best practices around AI, Machine Learning, Cloud based systems. You’ll be working with enterprise scale systems, developing data strategies and governance frameworks to drive organisational data transformation, across projects end-to-end with a great deal of ownership.

Location / WFH:

You’ll be based on client sites in and around London four days a week with flexibility to work from once a week.

About you:

You hold current, up to date DV Clearance

You have experience in a similar consultancy based role

You have advanced requirements gathering, analysis and solution design experience with a focus on data projects

You have experience of establishing data analytics and supporting AI solutions

You have a good working experience of AWS (e.g. S3, Kinesis, Glue, Redshift, Lambda and EMR) and / or Azure data services (e.g. ADF, Synapse, Fabric, Azure Functions)

You have advanced client and stakeholder management skills

What’s in it for you:

As a Data Architect / Consultant you will receive a competitive package:

Salary to £100k

Pension (6%)

Private Medical Care, Life Assurance, Income Protection

Professional training, certifications and career development

Apply now to find out more about this Data Architect / Consultant opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

**Security Architect - ContractGlobal Investment BankOverview:**A leading global investment bank is seeking a highly experienced Security Architect to join their Cyber Security team. This role will play a key part in designing, developing, and implementing secure architectures across cloud, on-premises, and hybrid environments, ensuring alignment with enterprise security standards.Role & Responsibilities:

Design and maintain security architectures, principles, and reference models.

Review and approve technical designs to ensure security compliance.

Establish and enforce secure-by-design guidelines and frameworks.

Assess emerging technologies and lead security tool evaluations.

Conduct security risk assessments for new initiatives.

Collaborate with engineering, infrastructure, and SOC teams globally.

Provide subject matter expertise, training, and mentorship on secure design.

Essential Skills and Requirements:

7+ years’ experience in security architecture.

Proven hands-on experience with SIEM, Proxy, EDR, DLP, and SEG implementations.

Strong expertise across cloud (AWS, Azure, GCP), networks, and applications.

Familiarity with DevSecOps, zero trust, secure SDLC, and threat modelling.

In-depth knowledge of Active Directory security and networking concepts.

Relevant certifications (e.g., CISSP-ISSAP, TOGAF, SABSA, AWS/Azure Security).

Excellent communication, problem-solving, and leadership skills.

Contract Details:

Day rate: £750 - £800 (Inside IR35, via Umbrella)

Duration: 6 months

Location: Hybrid - 2 days per week in London City

Call Settings Override To From Record Yes No Always use these settings

Software Developer C# TypeScript - FinTech

Software Developer / Engineer (C# TypeScript) London / WFH to £55k

Would like to progress your career as a Software Developer, working on a modern, web based, tech stack with continual learning and development opportunities as part of a diverse team?

You could be progressing your career at a global FinTech consistently voted as a Top 10 place to work, they invest in their people, you’ll be supported with training and can enjoy flexible working alongside a host of perks and benefits including flexible working.

As a Software Developer you’ll collaborate to design and develop new features and enhancements to the company’s flagship web based trading product. You’ll focus on backend systems using C# and TypeScript but will also have exposure to front end components in Angular and React within a TDD environment.

Location / WFH:

You can work from home most of the time, meeting up with colleagues once a week in the City offices, when there you can you enjoy a range of facilities including large kitchen, café, roof top bar, showers and all the latest kit to work on.

About you:

You have backend C# .Net, ASP.Net MCV application development skills

You also have experience with TypeScript, Angular or React

You have a good understanding of Docker for Containerisation

You have a good knowledge of cloud based systems (Azure / AWS)

You have strong analysis and problem solving skills

You’re collaborative with great communication skills

What’s in it for you:

As a Software Developer / Engineer (C# TypeScript) you will earn a competitive package including:

Salary to £55k + bonus

Pension, Private Health Care, Life Assurance, Travel Insurance

Enhanced maternity and paternity scheme

Learning opportunities via training, hack-a-thons, tech talks

Perks such as health and well being allowance, cycle to work scheme, season ticket loan, flexible working, diverse team environment and much more

Apply now to find out more about this Software Developer / Engineer (C# TypeScript) opportunity.

Senior Developer, Full Stack

Senior Developer, Full Stack (Next.js, React Native)

I’m working with a fast-paced, tech-focused, global technology platform that’s undergoing a multi-year transformation program to revolutionize its B2C services. Backed by substantial investment and part of a financially stable group, this company is embarking on a multi-year transformation program, making now the perfect time to join their journey.

Location: Hybrid - 2-3 days per week in London

Salary: £80,000 - £85,000

Type: Full-Time, Permanent

Why This Role?

Global Impact: Operating in key markets across the UK, US, Australia, and Europe, with significant backing.

Exciting Transformation: Recently redesigned their platform. Join at the start of an ambitious growth phase, a cutting-edge, automation-first approach.

Culture of Innovation: Work in a fast-paced, start-up-like environment with a strong focus on employee wellbeing and collaboration.

What you will do

Develop and maintain web applications that serve global marketplaces.

Creating B2C/B2B experience on their web application.

Cross functional collaboration to design and implement user-friendly interfaces.

Optimizing application performance and ensure responsiveness across various devices.

Working with overseas internal development team for knowledge transfer, reviewing code to help and guide other engineers.

Ensuring best practises working in an Agile/Scrum/Kanban environment.

Requirements

Proficiency in React, React Native, and Next.js is a strongly required.

Proficiency in Frontend technology i.e. Javascript, Typescript, HTML, and CSS.

Familiar with RESTful APIs and GraphQL

Experience with Backend such as Python and mySQL or similar.

Experience architecting web applications and supporting underlying CI/CD platforms.

Consider the reusability of code, components, and module development while writing code.

Experience mentoring junior engineers.

Understands testing such as Vitest, React Testing Library and Playwright.

Experience working in AWS.

You have a Start-up mentality.

AWS Cloud Engineer - Terraform - Ansible - Python - CI/CD

Permanent, up to £85,000 + benefits/bonus Hybrid, 2 days office

Leading financial services client is seeking an AWS Cloud Engineer to join their team in London. You will be supporting the AWS Public Cloud infrastructure and implementation of IaC using Terraform. The role will work closely with the SRE and Engineering teams to ensure that the Cloud environment has sufficient observability and is appropriately managed.Skills and experience required:

Strong technical operational skills in supporting AWS Cloud Hosted environments, and at least 3 years in an Infrastructure support role

Strong understanding of IaC technologies (Terraform, Ansible, GIT, Jenkins)

Experience using SRE methodologies within a support team and an understanding of Service Level metrics associated with this

Operational risk and control management processes, including security best practices

Asset management and lifecycle (EOS/EOL) process management

Planning and leading disaster recovery failovers of IT systems and services

AWS, including an understanding of AWS services, security and networking.

Knowledge of at least 1 programming language (ideally Python)

Knowledge of CI/CD specifically relating to Cloud Hosted environments

Experience working in a regulated financial services/banking

If this is of interest and you have the required skills, please submit your CV over for immediate consideration.

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.

Mid-Level Software Developer

Software Developer - £80,000 - Bonus - Hybrid OverviewA global digital marketing and technology agency specialising in online gaming is seeking a Software Developer to join its high-performing development team. This role offers the opportunity to work on scalable, high-throughput systems that power real-time user experiences in the iGaming sector.You’ll play a key part in the next stage of their platform evolution, helping to build a premium look and feel for customer-facing sites.Role and Responsibilities

Work across the full stack, with an even split between frontend and backend development.

Contribute to the transition from a PHP-heavy stack towards TypeScript/React-based frontend applications.

Deliver scalable, performant, and reliable solutions for high-traffic platforms.

Collaborate with designers, product teams, and fellow engineers to raise the standard of customer-facing experiences.

Write clean, testable code and follow modern development best practices.

Contribute ideas for technical improvements and new greenfield builds.

Essential Skills and Experience

Strong commercial experience with PHP (backend).

Solid hands-on skills with TypeScript and React (frontend).

Exposure to Node.js or NestJS desirable (but not essential if TypeScript is strong).

Background in greenfield development projects

Comfortable working in collaborative, agile teams.

DevOps/cloud experience (e.g., Docker, AWS) is a bonus.

Package

c£80,000

Discretionary bonus

Hybrid (4x week in London)

Benefits: Private healthcare & dental, pension scheme, income protection, stock options, gym & yoga studio, wellness initiatives, retail discounts, 25-30 days holiday, and more.

Do you like building scalable software and solving complex problems? Are you excited by the chance to work with modern technologies and shape the future of innovative platforms?

We’re working with a growing tech scale-up who are looking for a Software Engineer to join their team. This is a fantastic opportunity to work across the full stack, contribute to exciting new features, and help improve the infrastructure behind a cutting-edge platform - all within a supportive, collaborative environment.

Responsibilities

As a Software Engineer, you will

Design, develop, and maintain scalable features across frontend and backend systems.

Contribute to DevOps practices, including CI/CD pipelines and infrastructure automation.

Collaborate with product and design teams to deliver intuitive user experiences.

Participate in code reviews, architecture discussions, and troubleshooting to ensure best practice.

Requirements

As a Software Engineer, you will need

Experience in full-stack development with JavaScript/TypeScript (Node.js, React).

Knowledge of a statically typed language such as Go, plus cloud infrastructure (AWS or similar).

Familiarity with containerised applications and Kubernetes.

Strong understanding of architecture, scalability, and delivering high-quality code.

Desirables

As a Software Engineer, can you

Bring 3+ years of professional engineering experience.

Work with GraphQL, gRPC, or REST API design.

Apply knowledge of relational databases such as MySQL or PostgreSQL.

Demonstrate exposure to AI integrations or enterprise SaaS platforms.

If you want to take ownership of your work, build innovative software, and be part of a fast-moving tech team, APPLY NOW!

Rutherford Briant is passionate about equity, diversity, and inclusion. We seek individuals from the widest talent pool and encourage underrepresented talent to apply to vacancies with us. We are committed to recruitment processes that are fair for all, regardless of background and personal characteristics.

Data Scientist Up to £60,000 Learn Snowflake DBT Edtech

Opus Recruitment Solutions Ltd

Data Scientist -**Location: London (Hybrid) 4 days in the officeSalary:** £50,000 to £60,000 + BenefitsCRM Predictive Modeling Snowflake dbtAre you a Data Analyst or mid level Data Scientist who’s ready to move beyond dashboards and into real impact? This is your chance to join a global data team that’s driving strategy across marketing, enrolment, and finance, using modern tools and solving real business problems.As a Data Scientist, you’ll be building predictive models (LTV, lead scoring), developing analytics-ready data marts, and deploying solutions that directly influence decision-making. You’ll work with a cutting-edge stack: Snowflake, dbt, Tableau, Salesforce, Python, SQL and collaborate with stakeholders who genuinely value data.What You’ll Be Doing as a Data Scientist:

Designing and refining predictive models to guide marketing spend and resource allocation

Creating lead scoring systems with drift monitoring and retraining triggers

Partnering with marketing and enrolment teams to run A/B tests and measure impact

Building analytics-ready data marts in dbt/Snowflake with proper documentation and SLAs

Developing dashboards in Tableau to track ROI, pipeline health, and market segmentation

Maintaining pipelines from Salesforce, Marketing Cloud, GA, Facebook, and more

Using reverse-ETL to ensure your models feed directly into workflows and campaigns

What We’re Looking For in a Data Scientist:

3+ years in data science or analytics, ideally with CRM exposure

Strong SQL and Python skills

Has worked with Snowflake, dbt, and cloud platforms (AWS preferred) - If not ability to learn quickly

Familiarity with LTV modeling and marketing analytics

Tableau or similar data viz tools

Ability to communicate insights clearly to both technical and non-technical teams

A proactive mindset and a love for solving real business problems

This is a brilliant opportunity for a Data Scientist who wants to work in a team that values experimentation, iteration, and measurable impact. If you’re a Data Scientist who’s ready to builddata products that matter - apply now.

our cutting edge client based in London N1 is looking to recruit a Senior Full Stack Developer who is strong on the creative side of full stack development, as you will be building rich visual/animated landing websites. Expected to work predominantly in Node/Typescript with Postgres/Mongo. Integrating with generic APIs/SDKs.

Key deliverables will include:

Rapid prototyping.

Delivering brand-led interactive applications end-to-end across front-end, back-end, database and deployment.

Producing high-quality, user-focused software solutions.

Contributing to technical architecture decision making.

Core skills

Languages: Node.js, TypeScript

Front-end: Next.js and Vercel, Tailwind CSS

Back-end: OpenAPI

Infrastructure: AWS (ECR, ECS, Fargate, Elasticache/Redis, SQS, SES, Cognito, RDS, Bedrock, KMS, S3)

Databases: MongoDB and PostgreSQL

This is a hybrid role - 4 days per week in office (London N1) and 1 day remote

A starting salary in the region of c£70,000 plus benefits is on offer to the right candidate

Senior Computer Vision Engineer

NonStop Consulting Ltd

Computer Vision Engineer - Sports Analytics Innovation

Location: London, UK (Hybrid / Flexible)Salary: £70,000 base + OTE up to £140k-£200k in Year 1

About the Opportunity

We are working with a pioneering technology company at the forefront of sports analytics and artificial intelligence. This is a unique chance to apply your expertise in computer vision and machine learning to real-world challenges - building advanced systems for precise player and pitch detection and tracking during live sports events.

You’ll be part of a collaborative, research-driven team where your work will directly influence how millions of fans, teams, and broadcasters experience sport.

Key Responsibilities

Design, implement, and optimize deep learning algorithms for image and video analysisDevelop and enhance computer vision pipelines using both classical methods (OpenCV) and modern techniques (CNNs, detection/segmentation heads)Train, evaluate, and fine-tune models on large datasets, ensuring performance and accuracy in real-time systemsCurate and preprocess data to maximize training effectivenessDeploy models into production environments and monitor their performanceCollaborate closely with engineers, data scientists, and product teams to deliver integrated solutionsStay ahead of emerging trends in AI, CV, and ML, experimenting with innovative approaches

About You

We’re looking for someone who thrives at the intersection of research and applied engineering. You enjoy solving complex problems and pushing models into production that have tangible, high-profile impact.

Essential experience:

Strong background in Computer Vision and image/video processingHands-on experience with OpenCV pipelinesProficiency with deep learning frameworks (PyTorch, TensorFlow, Keras)Knowledge of CNN architectures and training dynamicsProven experience deploying and optimizing models for real-time applicationsStrong data science and metrics literacy

Nice to have:

PhD or Master’s in Computer Science, AI, or related fieldExperience with sports data, tracking systems, or analytics platformsFamiliarity with cloud platforms (AWS, GCP) and containerization (Docker)

Why Apply?

Work on high-impact, real-world projects where your algorithms will be deployed in live sports environmentsJoin a team passionate about research, innovation, and continuous learningCompetitive salary £70k base with exceptional **OTE (£140k-£200k Year 1)**Opportunity to make your mark in a fast-growing, cutting-edge technology sector

If you’re excited by the idea of bringing Computer Vision innovation into live sports and want to be part of a team that’s shaping the future of sports technology, we’d love to hear from you.

Infrastructure Project Manager

**Infrastructure Project Manager - Hybrid / London - £75,000 + Bonus & Benefits****Overview:**A leading global financial institution is seeking an experienced Infrastructure Project Manager to join their high-performing Technology team. This is a fantastic opportunity for a driven project professional to manage key infrastructure initiatives across cloud, networks, data centres, and enterprise platforms.Working closely with technical teams and business stakeholders, you will take ownership of delivering complex IT infrastructure projects from initiation through to completion-ensuring they’re delivered on time, within scope, and within budget.Key Responsibilities:

Manage the end-to-end delivery of IT infrastructure projects, including planning, execution, and closure.

Lead cross-functional project teams, working closely with engineers, architects, and business stakeholders.

Ensure alignment of project objectives with strategic IT and business goals.

Track project progress, manage budgets and timelines, and mitigate risks effectively.

Provide clear and regular updates to senior stakeholders, including status reports and escalation of issues.

Support vendor engagement and contract management related to infrastructure delivery.

Promote best practices in project governance, documentation, and change control.

Typical Projects May Include: Cloud migration and optimisation, Data centre transformation or consolidation, Server and storage upgrades, Network modernisation projects, Rollouts of enterprise platforms and tooling.

Skills & Experience Required:

5-8 years’ experience managing IT infrastructure projects, ideally within financial services or regulated environments.

Strong understanding of infrastructure technologies, such as cloud platforms (AWS, Azure), networks, data centres, storage, and servers.

Solid project management skills, including planning, budgeting, risk management, and stakeholder communication.

Familiarity with project management methodologies such as PRINCE2, PMP, or Agile/Waterfall hybrids.

Confident communicator with the ability to influence and collaborate across technical and non-technical teams.

Package & Benefits:

£75,000 base salary

Annual performance bonus

Hybrid working model (3 days per week in central London office)

Private medical cover

Generous pension scheme

Additional lifestyle and wellbeing benefits

Job Title: ML Ops / LLM Ops Engineer

Location: Hybrid (potentially 1 day per week in east London)

Contract: 6 month Contract

Day Rate: £400 per day (Outside IR35)

About the Role

We are seeking an experienced ML Ops / LLM Ops Engineer to join a high-profile digital transformation initiative. This role focuses on operationalising advanced Machine Learning services including Transformers, Large Language Models (LLMs), Automatic Speech Recognition (ASR), and Text-to-Speech (TTS) solutions.

You will work closely with developers, technical leads, product owners, and QA teams to design, deploy, and support production-grade ML services. This is a fast-moving environment where cutting-edge Generative AI technologies are constantly evolving, so adaptability and technical excellence are essential.

Key Responsibilities

Design and implement tooling and technologies to support ML models and LLMs in production.

Deploy, maintain, and optimise machine learning services within a cloud environment (AWS).

Recommend and implement prompt management tools and provide expertise in prompt engineering.

Introduce and manage observability, monitoring, and evaluation frameworks for ML and AI services.

Enable auto-evaluation of prompts and models against domain-specific requirements.

Build Python-based microservices, data pipelines, and serverless functions.

Collaborate with stakeholders to translate data and AI requirements into scalable solutions.

Essential Experience & Skills

5+ years’ engineering experience, with at least 3 years in ML Ops, Data Engineering, or AI infrastructure.

Strong Python engineering skills (Pandas, Numpy, Jupyter, FastAPI, SQLAlchemy).

Expertise in AWS services (certification desirable).

Proven experience deploying and supporting LLMs in production.

Strong understanding of LLM fine-tuning (PyTorch, TensorFlow, Hugging Face Trainer, etc.).

Experience with ML tooling (e.g. SageMaker, LangChain/LangSmith, MLflow, Dataiku, DataRobot).

Knowledge of embeddings, their applications, and limitations.

Hands-on experience in Agile / Lean / XP environments.

Excellent communication, problem-solving, and cross-team collaboration skills.

Proactive interest in Generative AI trends and best practices.

Desired Skills

Experience with chatbots and conversational AI (voice or text).

Familiarity with Terraform, Helm, Kubernetes, or Postgres.

Exposure to Data Science, NLP, Explainable AI (XAI).

Real-world delivery of Generative AI solutions, especially LLM-driven applications.

Rates depend on experience and client requirements

Senior Java Developer

Hays Specialist Recruitment Limited

I am currently working with a London-based financial services client who are actively seeking a Senior Java Developer to aid in the development of a business-critical application.What you’ll need to succeed

Extensive development experience with Java 17+ within financial services - mandatory.

Expertise in distributed programming with distributed cache/data grids.

Strong cloud experience, ideally with AWS.

Extensive experience with RESTful services and microservices.

Strong knowledge of relational databases.

What you’ll get in return

Initial 12-month contract with extensions.

Up to £900pd umbrella.

Flexible London-based hybrid working.

What you need to do nowIf you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Java Software Engineer - multiple levels

Java Software Engineer

£50,000-£75,000/annum

Fully Remote

SC position - Clearable

Sanderson Government and Defence are working alongside a growing, exciting consultancy business who have recently won several exciting new projects in the UK public sector.

They are a highly flexible business, with fully remote working available.

Technically, as you could end up working across a number of different projects, we are relatively open minded, however there are a few essentials.

You must have 4+ years experience, and be capable with the following:

Towards the upper end of the salary banding, we would also expect experience in mentoring, willingness and experience engaging with clients, up to team leadership at the upper end.

Please note: We also have a similar python focussed position available, so please also apply if that would apply to yourself.

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.

Senior Platform Engineer

Senior Platform EngineerFully Remote (UK-based) £75,000 - £85,000 + Excellent Benefits

Our client is a forward-thinking software provider using cutting-edge technology - including AI - to transform how businesses operate. With a mission to streamline complex systems through intelligent automation, they’re seeking a talented Platform Engineer to join their remote team and help shape the future of their pioneering platform.

The successful candidate will be expected to:

Lead the deployment and management of infrastructure and applications using ArgoCD, applying GitOps best practices.

Manage and improve the deployment of shared platform services across Kubernetes clusters.

Collaborate with cross-functional teams to design, implement, and refine DevOps processes.

Deliver ad-hoc DevOps projects to support scalability, automation, and system resilience.

Act as a technical advisor across platform, infrastructure, and application teams.

Undertake additional activities and responsibilities as required.

Essential Skills

Deep experience in DevOps, automation, and infrastructure as code.

Proficiency in Git and GitOps methodologies.

Expertise in secrets management tools (e.g., HashiCorp Vault).

Practical experience with cloud services (AWS, Azure, or GCP).

Strong knowledge of Kubernetes, especially in production environments.

Excellent written and verbal communication in English.

Understanding of non-functional testing: performance, scalability, resilience.

Demonstrable track record in operational reliability and automation.

Desirable

Familiarity with DataMesh principles and distributed data architecture.

Experience in fast-paced, technically complex environments.

Understanding of telecoms industry technologies and standards.

Experience mentoring and supporting engineers.

Hands-on proficiency with Golang for scripting or service development.

Why You’ll Love It Here:

Our client offers a highly supportive and flexible work environment with outstanding benefits, including:

30 days of holiday plus bank holidays

£1,500 personal development budget annually

Private BUPA healthcare and dental cover

Generous matched pension contributions

Monthly flexible benefits budget

Performance bonuses and annual pay reviews

And much more - all designed to support your well-being, career growth, and work-life balance

If you are interested in the above role - Click the “Apply Now” button now for immediate review

Senior Platform Engineer, Platform Engineer, Senior Platform Engineer, DevOps Engineer, Senior DevOps, Senior Platform Engineer, DevOps, AWS, Kubernetes, Git, GitOps, Python, Golang

Should you require reasonable adjustments at any point during the recruitment process or if there is a better way for us to communicate, please do let us know.

Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter and LinkedIn - Circle Recruitment.

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