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GitHub Jobs in London
Overview
Looking for top GitHub jobs in London? Discover the latest developer and software engineer roles on Haystack, your go-to IT job board. Whether you’re a GitHub expert or a developer skilled in version control, explore exciting career opportunities with leading London tech companies today!
AI Engineer
Infoplus Technologies UK Ltd
London
In office
Mid - Senior
Private salary
RECENTLY POSTED

Role: Gen AI Engineer Location: London, UK Duration: Contract Job Description: Your Profile Essential skills/knowledge/experience: Higher degree (PhD preferred) in Engineering, Statistics, Data Science, Applied Mathematics, Computer Science, Physics, Bioinformatics, or related field.

5+ years in at least 2 AI domains: NLP, NLG, Computer Vision, Machine Learning, GenAI etc.

Hands-on experience with fine-tuning/training LLMs and complex Graph RAG solutions (production environment).

Technical Skills: Extensive knowledge of cloud services and tools (Azure & Databricks preferred), ), including Azure Machine Learning, Vertex AI, AI Search, Databricks, Mosaic ML, Genie, Webapps, Azure Service Bus, Azure DevOps, Azure CLI, Azure AI services, App Insights, and Azure OpenAI.

Extensive knowledge of LLM Python libraries: langchain, langGraph, promptflow, semantic kernel, Autogen, graphRag, promptflow

Good software engineering background, (developing application, API, frontend integration, security best practices, experience with fastAPI, Asyncio is a plus).

Strong experience with Gen AI model deployment and monitoring (CI/CD, Weight&Biases GitHub pipelines is a plus).

Advanced understanding of security, compliance, and ethical considerations in AI.

Desirable skills/knowledge/experience: Soft Skills: Demonstrate a combination of business focus, strong analytical and problem-solving skills, and programming knowledge to be able to quickly cycle hypotheses through the discovery phase of the project.

Strong problem-solving abilities. Excellent collaboration & communication skills to report back complex findings in a clear, structured manner.

Certifications: Relevant certifications in AI and machine learning such as Azure AI Engineer Associate are a plus.

TPBN1_UKTJ

Software Engineer - Home-based - London, UK
EDF
Multiple locations
Hybrid
Mid - Senior
ÂŁ63,000
+8
Software Engineer - London, UK

About the Role

Full Stack Software Engineer | Hybrid | Permanent | Starting from £63,000 
We’re free thinkers. We’re innovators. We’re #ConsultantsWhoCode.  
We have an exciting opportunity for an experienced FullStack Software Engineer with strong React Native mobile development experience to join our growing Software Engineering team at here at EDF.  
The Opportunity
As a FullStack Engineer with a mobilefirst focus, you’ll play a key role in building the apps and platforms that support our asset management teams — the people powering the electric vehicles, batteries, and lowcarbon technologies supporting the UK’s journey to Net Zero. 
You’ll work across the full stack, with around 60–70% of your time focused on React Native mobile development and the rest contributing to backend services, AWS infrastructure, testing, and delivery tooling. 
As part of our modern engineering culture, you’ll also use AIenabled engineering tools to improve code quality, testing, documentation, observability, and developer experience. We’re growing our AI capability across the entire SDLC — from requirements refinement to code generation, test automation, and release processes — and you’ll help shape how we adopt these tools responsibly and effectively. 
We operate using scaled Agile practices, including PI Planning, crossteam collaboration, and shared engineering standards. 
This hybrid role gives you flexibility to work from home with monthly (or more frequent if you prefer) visits to London, Hove, or Exeter. 
Pay, Benefits & Culture
Alongside a starting salary from £63,000, you’ll receive:

  • Up to 5% annual bonus
  • A marketleading pension scheme
  • Customisable benefits including electric vehicle leasing, gym discounts, life assurance, healthcare cash plan, tech vouchers, product discounts and more

Everyone is welcome at EDF.
We’re committed to building a workforce that reflects gender balance, social mobility, ethnic diversity, LGBTQ+ inclusion, and disability confidence. Adjustments and support are available throughout the recruitment process. 
What You’ll Be Doing
You’ll contribute to the design, development, and operation of highquality software with a strong focus on mobile app excellence, including: 
Mobile Engineering

  • Building new features and components in React Native using TypeScript

  • Creating modular, reusable components aligned with our mobile design system

  • Using modern navigation, statemanagement, and asynchronous data patterns

  • Integrating mobile applications with backend APIs to support smooth, resilient user journeys

  • Ensuring performance, accessibility, and reliability across the app

  • Implementing observability for mobile behaviour, performance, and incidents

  • Contributing to build and release processes for iOS and Android, including CI/CD and app distribution

  • Working closely with designers, product managers, and other engineers to deliver a unified app experience

AIEnabled Software Development

  • Using AI tools (e.g., GitHub Copilot) to support coding, testing, documentation and analysis

  • Working with teams to embed AI meaningfully into our SDLC — including code quality, automated testing, release safety, and operational resilience

  • Supporting experiments, prototypes, and continuous improvement initiatives leveraging AI

  • Applying AI ethically, responsibly, and in line with EDF guidelines

  • Using AI to improve developer productivity, performance insights, and maintainability

FullStack & DevOps

  • Building backend services using Node.js or Python following cloudnative and eventdriven patterns

  • Deploying workloads using Infrastructure as Code on AWS

  • Writing automated tests across the stack (unit, integration, E2E)

  • Contributing to CI/CD pipelines using a blend of modern tools (e.g., GitHub Actions, Bitrise, etc.)

  • Using feature flagging tools (e.g., Firebase Remote Config or similar) to release safely and iteratively

  • Participating in agile ceremonies, PI Planning, and crossteam engineering activities

  • Sharing knowledge and mentoring peers across our engineering community

Who You Are
You’re a MidLevel Engineer who enjoys using modern tools and approaches to deliver highquality software. You care about maintainability, reliability, and the user experience. 
Essential Experience

  • Commercial experience with React Native and React frameworks

  • Strong TypeScript skills and a good understanding of mobile UX and UI patterns

  • Experience integrating with RESTful or GraphQL APIs

  • Experience with AWS and cloudnative/serverless architectures

  • Comfortable using AIassisted engineering tools to enhance coding and testing

  • Experience with CI/CD pipelines and automated quality gates

  • Familiarity with mobile testing tools such as Jest, RNTL, or Detox

  • Understanding of monitoring and observability practices

Desirable Experience

  • Experience with feature flagging and saferelease practices

  • Mobile performance optimisation or offlinefirst patterns

  • Native iOS/Android module bridging (Swift/Kotlin)

  • Knowledge of mobile distribution tooling (Bitrise , Fastlane, EAS, etc.)

  • Experience contributing to engineering standards, design systems, or crossteam initiatives

Your Growth
We love developing engineers. 
You’ll have opportunities to deepen your expertise, experiment with new technologies — including AI — and grow towards Senior Engineer or Tech Lead roles. 
Closing date for applications: 4th March

Sitecore Developer
Sanderson Recruitment
London
Hybrid
Mid - Senior
ÂŁ70,000
+3

Job Role: Developer
Working Model: Permanent
Location: Hybrid London
Salary: ÂŁ70,000 + Bonus

Are you a hands-on front-end developer who loves bringing exceptional digital experiences to life?

Do you enjoy shaping world-class user interfaces using modern frameworks like Sitecore, React, Next.js, and SXA?

This is an exciting opportunity to join a growing digital function as part of a new Product Experience (PX) Practice. You’ll play a key role in elevating digital experiences across multiple platforms, working closely with cross-functional product teams to build intuitive, engaging, and high-performing user interfaces.

About the Role

You’ll be responsible for converting UX design into high-quality UI components and building reusable, scalable component libraries across Sitecore JSS, SXA, and React/Next.js.

You’ll collaborate with UX, product, business, and technology teams to deliver user-centric solutions and support wider initiatives through ideation, POCs, and knowledge sharing. You’ll also help drive best practices and raise standards in UI/UX across the organisation.

Key Responsibilities

  • Transform UX designs into UI components, workflows, and interfaces using React/Next.js and Sitecore.
  • Build robust, reusable component libraries across Sitecore JSS, SXA, and React/Next.js.
  • Partner with UX designers, product managers, and business analysts to embed user-centred design.
  • Develop components to a high standard, following best practices and optimised performance.
  • Contribute to reusable design systems and shared libraries used across projects.
  • Engage with developers and cross-functional teams to advocate for user-centric solutions.
  • Ensure solutions align with evolving UX standards, guidelines, and toolkits.
  • Support POCs, design sprints, and innovation sessions.
  • Enhance front-end experiences and overall UI/UX across digital products.
  • Upskill colleagues in React, Sitecore, and front-end best practices.

Essential Skills & Experience

  • Strong experience as a Sitecore Developer, ideally within a complex or large-scale environment.
  • Hands-on experience with Sitecore (JSS, SXA, component libraries) and React/Next.js.
  • Experience using tools/services to manage Sitecore XPC (Managed Cloud Offering).
  • Knowledge of front-end pipelines and tooling such as Gulp, NPM, Bower, Webpack.
  • Practical GitHub experience and familiarity with full development lifecycle.
  • Demonstrable experience building applications from scratch.
  • Ability to interpret and follow brand guidelines and design standards.
  • Deep understanding of user-centred design, accessibility, and responsive design principles.
  • Strong communication, facilitation, and collaboration skills.
  • Ability to quickly adopt and learn new technologies.

Desirable

  • Experience with Sitecore SXA, Pega, or Guidewire Digital platforms.

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.

Business Central Developer
Data Careers
London
Hybrid
Senior - Leader
ÂŁ80,000

Permanent
Location: Home based
Salary: ÂŁ70,000 - ÂŁ80,000

The Opportunity

We’re looking for a Business Central Developer to take ownership of complex BC solutions and help shape the future of a growing Microsoft practice.

This is a hands-on lead role where you’ll drive delivery end to end - from solution design through build, release, and optimisation - working across Business Central, Power Platform, Dataverse, and Azure DevOps. You’ll also play a key role in advancing the use of Copilot and AI-driven agents.

What you’ll be doing

  • Leading end-to-end delivery of Business Central solutions (discovery ? design ? build ? deploy ? optimise)
  • Designing and building high-quality AL extensions (per-tenant and AppSource-ready)
  • Integrating Business Central with Dataverse, Power Platform, and external APIs
  • Owning DevOps and CI/CD pipelines (Azure DevOps or GitHub)
  • Driving best practice in AL coding, performance, testing, and upgradeability
  • Applying Copilot and AI agent solutions to improve productivity and UX
  • Providing senior-level technical guidance and Tier-3 support when needed

What we’re looking for

  • 3+ years hands-on AL development (Business Central)
  • 5+ years in the Microsoft ecosystem (BC, Power Platform, Azure, M365)
  • Strong experience with DevOps, Git workflows, and CI/CD
  • Proven integration experience with Dataverse and Power Platform
  • Solid understanding of Azure AD / Entra ID, OAuth 2.0, and security
  • Confident communicator with true end-to-end ownership mindset
  • MB-820 certification (or equivalent experience)

Nice to have

  • AppSource preparation experience
  • Power BI with BC/Dataverse
  • Azure Functions, Logic Apps, API Management
  • SOLID / DDD / event-driven architecture
  • Power Platform or AI certifications (PL-200 / PL-400)

Why apply?

  • Lead meaningful, high-impact BC projects
  • Work with modern Microsoft tech, AI, and automation
  • Hybrid working with flexibility
  • Ongoing training, certifications, and career progression
  • Competitive salary and benefits
Senior Software Development Engineer
Permax Recruitment Limited
London
Hybrid
Senior
ÂŁ100,000
+4

Permax Recruitment is working in partnership with a London based firm who are on the lookout for a Software Engineer. For nearly a century, our client has been building a firm as accountants, auditors, tax specialists and close advisors to clients operating in emerging markets, disrupting the status quo. This has accelerated thanks to the blockchain. In 2017, a client asked to help with an ICO and they have been crypto pilled ever since, developing into what is currently the leading professional services firm on chain. In 2023, they opened a new leg of the business to carve out a team dedicated to all things Web3, which is now over 80 strong and servicing near 600 digital asset clients globally. They partner with some of the industry's most influential playerscryptocurrency exchanges, blockchain innovators, Web3 pioneers, and digital asset fundsoffering tailored audit, tax, and advisory services that keep pace with this fast-evolving landscape. Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: Approx ÂŁ100,000 + Bonus While our team builds data pipelines and reporting tools that enable accountancy teams to work efficiently, this role focuses primarily on managing our AWS infrastructure, supporting the team with robust DevOps practices, and mentoring other developers. You'll be the technical expert who ensures our systems are scalable, secure, and well-architected as we transition to microservices and ephemeral infrastructure. Key Responsibilities Cloud Infrastructure & DevOps (Primary Focus) Own and manage our AWS infrastructure, acting as the team's cloud platform expert Be one of the leaders in the migration toward microservices and ephemeral architecture Lead in infrastructure as code Establish and maintain CI/CD pipelines for the team's data and application projects Lead the implementation of monitoring, logging, and alerting systems to ensure reliability in our solutions Manage cloud security, IAM policies, and compliance requirements Provide infrastructure support and guidance to team members working on data pipelines and applications Troubleshoot infrastructure and deployment issues Team Leadership & Mentorship Mentor other developers on DevOps practices, cloud architecture, and infrastructure concepts, jointly with other senior members Support and encourage team members in deploying and managing their data pipelines and applications Conduct code and infrastructure reviews Develop and share best practices for cloud-native development Foster a collaborative learning environment within the team Contribute to technical documentation Collaboration & Technical Enablement Enable the team to build and deploy data pipelines efficiently by providing templates and guidance on infrastructure Work with colleagues to understand their infrastructure needs and provide solutions Translate infrastructure requirements into scalable, maintainable solutions Communicate technical concepts clearly to both technical and non-technical stakeholders Collaborate with accountancy teams to ensure data platform reliability and performance *Technical* 5+ years of software engineering experience with a significant cloud infrastructure focus Understanding of networking, security, and cloud best practices Hands-on experience with AWS services Proficiency with infrastructure as code tools Experience designing and implementing CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, or similar) Solid understanding of containerization and orchestration (Docker, Kubernetes, ECS) Experience with monitoring and observability tools (CloudWatch, Datadog, Prometheus, or similar) Proficiency in bash Experience supporting development teams with infrastructure and deployment needs Knowledge of microservices architecture and serverless patterns *Leadership* Experience working in teams outside the realm of Software Engineering Demonstrated experience mentoring or managing junior Engineers Strong communication skills with both technical and non-technical audiences Ability to provide clear technical guidance and support Pragmatic approach to balancing technical delivery with business needs Desirable Python experience for infrastructure automation and tooling Familiarity with data pipeline infrastructure (supporting ETL workloads, data warehousing) Experience with data governance and compliance requirements Cloud cost and resource utilisation optimisation Experience migrating from monolithic to microservice architectures What We Offer Opportunity to shape and own the technical infrastructure Small, collaborative team environment where your expertise will have a direct impact Opportunity to create and develop solutions that are new, be impactful Dress for your diary. Flexible working hours. A technology enabled firm. A Family environment, fantastic retention, hiring due to exceptional growth and internal promotions. A Fixed profit-sharing bonus scheme payable to all staff. Brand new central London office. Plenty of socialising opportunities. Free breakfast and fresh fruit provided daily.

Network Automation Engineer
Certain Advantage
London
Hybrid
Mid - Senior
Private salary
+11

Network AutomationEngineer Location: London (Hybrid, 3 days per week on-site) Duration: 6 months Rate: Negotiable (DOE) Overview An industry-leading global organisation is driving the automation and standardisation of its network infrastructure and services. Theyre looking for a Network Automation Engineer with strong hands-on experience in Ansible, Python, and network orchestration to help design, build, and integrate automation solutions across a range of enterprise platforms. This role blends network engineering, DevOps, and systems integration ideal for someone comfortable writing automation playbooks and APIs while understanding routing, firewalls, and connectivity fundamentals. Key Responsibilities Design, build, and maintain automation solutions for network and infrastructure systems. Develop Ansible playbooks and reusable automation modules for configuration, orchestration, and provisioning. Configure and integrate Cisco NSO and related orchestration tools to streamline network operations. Build and maintain API-based integrations with systems such as ServiceNow, NetBox, and GitHub. Drive network configuration standardisation using YANG models for routers and switches. Implement and maintain CI/CD pipelines (GitHub Actions / Azure DevOps) for network code delivery. Troubleshoot and optimise automation workflows across hybrid (on-prem and cloud) environments. Collaborate with architects, service owners, and developers to translate requirements into scalable automated solutions. Maintain documentation for designs, processes, and operational procedures. Promote automation, standardisation, and best practices across global teams. Core Technologies Automation & Orchestration: Ansible, Cisco NSO, Terraform, GitOps (GitHub / GitLab / Azure DevOps) Networking & Modelling: YANG, RESTCONF, NETCONF, XML, JSON, Jinja2, NetBox Cloud & Platform: Azure, AWS, RedHat Enterprise Linux, VMware, OpenStack Scripting & Languages: Python, Bash, YAML (Go / PowerShell desirable) CI/CD & Tooling: GitHub Actions, Azure Pipelines, Jenkins, Terraform, ServiceNow Monitoring & Observability: Grafana, Prometheus (desirable) Experience & Requirements Proven experience in network engineering or network automation (WAN, LAN, routing, switching, DNS, DHCP). Hands-on experience developing automation using Ansible and Python . Familiarity with Cisco NSO and YANG modelling or similar orchestration tools. Understanding of network APIs (REST/NETCONF) and data formats ( XML/JSON ). Experience integrating automation into CI/CD pipelines using Git-based workflows. Comfortable working in Linux-based environments (RedHat, CentOS, Ubuntu). Knowledge of cloud networking (Azure / AWS VPCs, Transit Gateways, VPNs). Excellent documentation, troubleshooting, and stakeholder communication skills. Certifications such as Cisco CCNP / DevNet Professional preferred; ITIL desirable. What Youll Work On Standardising and automating global network configurations and connectivity services. Integrating network provisioning with ServiceNow and NetBox. Building the automation layer for hybrid cloud networks (Azure / AWS / on-prem). Creating reusable playbooks, templates, and design artefacts for future deployments. Supporting the organisations transition toward infrastructure-as-code and self-service provisioning . Ideal Candidate Youre an experienced Network Automation Engineer , Network DevOps Engineer , or DevNet Specialist with hands-on expertise in both traditional networking and modern automation practices. Youre fluent in Python , think in APIs , and take pride in transforming manual configurations into efficient, repeatable code. If you're interested and keen to find out more, please apply now with your updated CV and reach out to Tom Johnson at Certain Advantage - Ref: 79585 TPBN1\_UKTJ

Fullstack Developer
Experis
London
Hybrid
Junior - Mid
ÂŁ450/day - ÂŁ480/day
+6

8 months
London - hybrid 1-2 days onsite every 2 weeks
Inside IR35 - Umbrella only

Skills required:

  • Intermediate to advanced practical experience with: React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc
  • Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Agile delivery workflows
  • Tooling experience: Git Jira Confluence

Desirable (Nice to Have):

  • Cypress GitHub Actions Splunk

Soft Skills & Behaviours:

  • Clear and confident communicator, able to work with designers, product teams, testers, engineers, and external partners.
  • Highly collaborative, supporting team success and contributing to shared goals.
    Positive, engaged, and proactive, bringing energy to team ceremonies and wider delivery activities.
  • Comfortable with change, able to work through evolving requirements or priorities.
  • Keen to learn and share knowledge, contributing to code reviews, pair?programming, and community?of?practice activities.
  • Experienced working within Agile delivery, contributing to stand-ups, planning, reviews, retrospectives, and show?and?tell sessions.
  • Delivers with quality, making sensible trade-offs and managing technical debt thoughtfully.
  • Stays informed about modern technologies and practices, promoting proportionate adoption of tools that add value.
Forward Deployed Engineer
DCV Technologies
London
Remote or hybrid
Mid - Senior
ÂŁ55,000 - ÂŁ85,000
+1

Forward Deployed Engineer Generative AI / LLM Deployment
GenAI LangChain RAG AWS Kubernetes Customer-Facing

We are hiring a Forward Deployed Engineer to lead the deployment of production-grade Generative AI and LLM solutions into enterprise environments.

This is a hands-on, customer-facing role focused on building and deploying RAG pipelines, multi-agent systems and fine-tuned LLM applications using tools such as LangChain and LangGraph. You will embed with client teams, own technical delivery from prototype to production, and demonstrate measurable KPI impact.

Key Responsibilities

  • Design and deploy GenAI / LLM applications (RAG, agentic AI, fine-tuning)
  • Lead production deployment on AWS, Azure or GCP
  • Build scalable backend systems in Python (JavaScript a plus)
  • Manage infrastructure using Kubernetes, Docker, Terraform
  • Own end-to-end technical delivery across multiple client deployments
  • Conduct debugging, optimisation and root cause analysis
  • Communicate complex AI concepts to technical and non-technical stakeholders

Requirements

  • Strong experience building and deploying LLM / Generative AI solutions
  • Hands-on with LangChain, RAG, multi-agent systems
  • Cloud ML deployment experience (AWS, Azure or GCP)
  • DevOps tooling: Kubernetes, CI/CD, GitHub, GitOps
  • Customer-facing technical delivery experience
  • Background in Machine Learning, Data Science or AI Engineering

This role suits a Senior Machine Learning Engineer, Applied AI Engineer, AI Solutions Engineer or LLM Engineer who enjoys client impact, rapid prototyping and owning delivery in fast-moving environments.

Apply now to work at the forefront of enterprise AI deployment and agentic systems.

Cloud Infrastructure Engineer
VIQU IT
London
Hybrid
Mid - Senior
ÂŁ600/day - ÂŁ700/day
+4

Cloud Infrastructure Engineer 8 months SC Cleared Hybrid - London

My customer is looking for an SC Cleared Cloud Infrastructure Engineer with strong cloud and Infrastructure-as-Code expertise to support the delivery of a large-scale Infrastructure Transformation project.

This role requires a Security Cleared Cloud Infrastructure professional with solid, hands-on experience with DevOps, Terraform, and GitHub.

Responsibilities of the Cloud Infrastructure Engineer:

  • Lead the complete transition of applications into the Azure environment.
  • Create Automation by implementing CI/CD pipelines using GitHub.
  • Implement and manage Infrastructure as Code (IaC) working with tools such as Terraform.
  • Provide SRE-level support, troubleshooting, and incident resolution for complex cloud environments.
  • Coach less-experienced engineers and champion collaborative knowledge-sharing.
  • Installing and configuring Windows based systems.
  • Integrate PowerShell automation with database operations
  • Writing clear and concise documentation.

Essential Skills of the Cloud Infrastructure Engineer:

  • Must hold an Active SC Clearance.
  • Must have experience completing large scale transformation projects.
  • Must have extensive hands-on experience:
    • Azure DevOps
    • PowerShell
    • SQL
    • CI/CD pipelines
    • GitHub
    • Terraform (Infrastructure as Code)
  • Desirable hands-on experience:
    • Kubernetes
    • C# development
    • Packer
    • Helm
    • AKS
    • Flux

The successful Cloud Infrastructure Engineer must be available to work 2 days a week onsite in Central London.

Apply now to speak with VIQU IT in confidence. Or reach out to Matt Farrell via the VIQU IT website.

Do you know someone great? We ll thank you with up to ÂŁ1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on IT Recruitment.

Front End React Developer
Ascend Consulting
London
In office
Mid
ÂŁ45,000 - ÂŁ75,000
+5

Front End React Developer, React, Javascript, NW London to ÂŁ75K

A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

  • Developing new user-facing features using React.js
  • Building reusable components and front-end libraries for future use
  • Translating designs and wireframes into high quality code
  • Optimising components for maximum performance across a vast array of web-capable devices and browsers

Skills

  • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
  • Experience developing with typescript
  • Thorough understanding of React.js and its core principles
  • Experience with Redux and RTK (RTKQuery also a bonus)
  • Familiarity with RESTful APIs
  • Knowledge of modern authorization mechanisms, such as JSON Web Token
  • Familiarity with modern front-end build pipelines and tools (Github actions a bonus)
  • Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
  • Ability to understand business requirements and translate them into technical requirements
  • A knack for benchmarking and optimization
  • Familiarity with git
  • Experience with React Native is a bonus

THIS ROLE IS OFFICE BASED

Senior Backend Engineer
Randstad Technologies
London
Hybrid
Senior
ÂŁ560/day

Adword:

Job title: Backend Java Developer

Duration: 4 months contract with a possibility of extension

Location: London 2 day a week Hybrid

Job description:

Looking for a Backend Java developer with 6+ years of experience in building and implementing large-scale systems across various projects and teams

Technical Skills:

  • Linux system experience

  • Java Backend development experience

  • AI experience is a must - we will be working on AI tooling as well

  • HTTP/networking

  • Google Cloud (preferred)/AWS Kubernetes

  • Github (Administration/Operations) Gitlab would be advantageous (if they don’t have Github)

  • Git expert

  • Data experience - would be helpful

If you’re excited about application security, identity management, and creating robust, secure solutions for modern architectures, we want to hear from you!

Please apply with a copy of your CV and let’s start the conversation!

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

AWS DevOps Engineer
CBSbutler Holdings Limited trading as CBSbutler
London
Fully remote
Mid - Senior
ÂŁ600/day - ÂŁ635/day
+7

+6 months +

+Fully remote working

+SC cleared - must hold current active clearance

+Sole British nationals only - due to nature of the project

Skills:

+AWS

+DevOps Engineer

+Kubernetes

+Public Sector experience

We’re looking for an experienced AWS DevOps Engineer to design, build, and optimise secure, scalable cloud environments in a fully remote role.

Key Responsibilities

  • Deliver Infrastructure as Code using Terraform, CloudFormation, or Ansible
  • Build and manage containerised environments with Docker and Kubernetes
  • Architect and optimise AWS services across compute, networking, storage, and security
  • Design and maintain CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, CircleCI)
  • Embed DevSecOps practices using tools such as SonarQube, Snyk, and OWASP
  • Implement monitoring and logging (Prometheus, Grafana, ELK)

Experience Required

  • 5-10+ years in DevOps / Cloud Engineering
  • Strong AWS architecture and security expertise
  • Proven IaC and CI/CD delivery experience
  • Solid Docker and Kubernetes knowledge
  • Ability to influence stakeholders and mentor teams

Fully remote, high-impact role within a forward-thinking cloud engineering team.

If you’d like to discuss this AWS DevOps Engineer in more detail, please send your updated CV to (url removed) and I will get in touch.

Technical Lead - TypeScript / Node.js
Adria Solutions Ltd
Multiple locations
Remote or hybrid
Senior
ÂŁ60,000 - ÂŁ80,000
+7

As a Technical Lead, you ll work directly with the founder to shape the technical vision and execution of a high-growth startup backed by a larger, established group. You ll lead a talented engineering squad, drive architectural decisions, and deliver scalable backend systems that support thousands of users-all while influencing the strategic direction of the product.

This is a hands-on leadership role where you ll combine deep technical expertise with mentorship, strategic thinking, and cross-functional collaboration in a fast-moving startup environment.

The Role Technical Strategy & Leadership

  • Work alongside the founder to define and evolve the technical roadmap
  • Lead architectural design and critical technology decisions
  • Champion engineering best practices, code quality, and technical excellence
  • Mentor, coach, and grow engineers at all levels
  • Foster a culture of ownership, collaboration, and innovation

Backend Architecture & Development

  • Architect, build, and scale backend services and RESTful APIs
  • Design, optimise, and maintain MongoDB database solutions
  • Improve system reliability, performance, and scalability
  • Resolve complex production issues with robust solutions
  • Implement microservices and modern backend patterns

Collaboration & Delivery

  • Partner with Product, Design, and the founder to deliver high-impact outcomes
  • Participate in hiring and technical interviews to grow the engineering team
  • Drive improvements in processes, CI/CD pipelines, and DevOps practices
  • Ensure effective planning, estimation, and execution across initiatives

Core Technical Expertise

You ll thrive in this role if you have strong experience with:

  • MongoDB (data modelling, indexing, aggregation pipelines, performance tuning)
  • Node.js and the wider JavaScript/TypeScript ecosystem
  • Express.js and/or Fastify
  • RESTful API design and distributed systems
  • AWS or similar cloud platforms
  • Microservices architecture
  • Testing frameworks (Vitest, Jest, Mocha, etc.)
  • CI/CD pipelines and DevOps best practices
  • GitHub workflows
  • Observability and monitoring tools (e.g., Datadog)
  • Docker and Kubernetes

Tech Stack

You ll be working with:

  • Node.js, JavaScript/TypeScript
  • Express.js, Fastify
  • MongoDB
  • AWS
  • Vue.js, Nuxt.js

Nice to Have AI Experience

Not essential, but highly desirable:

  • Integrating AI/ML models into production systems
  • Working with LLM APIs (OpenAI, Anthropic, etc.)
  • Prompt engineering
  • AI workflow tools (LangChain, Flowise)
  • Building internal AI-powered automation tools

Why This Role is Exciting

  • Work directly with the founder on a startup backed by a larger, established group
  • Influence the technical and product direction from the ground up
  • Hands-on leadership in a fast-moving, high-impact environment

Benefits

We genuinely invest in our people. You ll enjoy:

  • Remote-first working (offices in London and Manchester)
  • Flexible working hours
  • 25 days annual leave + 8 bank holidays + 2 Christmas shutdown days
  • Option to purchase an additional week of leave

Interested? Please Click Apply Now! Technical Lead - TypeScript / Node.js

Spotlight
DevOps - Consultant
Opencast
Multiple locations
Hybrid
Mid - Senior
ÂŁ50,000 - ÂŁ60,000

Ready to automate, innovate and make a real impact?

Do you want to build reliable, scalable systems that make a real difference to millions of people? Do you want to work at a certified B Corp with an inclusive and learning culture as part of a diverse team of great people?

If so, Opencast could be the place for you. We’re a growing tech consultancy that creates user-centred solutions with purpose for our clients in government, healthcare and purpose-driven businesses. Working in DevOps, you’ll build and maintain the systems that let teams respond quickly to needs. You’llwork on high-impact projects, helping to build reliable, scalable systems. We align work to industry-recognised roles such as Build & Release Engineer (BRE), Platform Engineer (PLE) or Site Reliability Engineer (SRE) and, where needed, to more specialised areas such as security, cloud hosting, infrastructure or networking.

What’s life like as a DevOps consultant at Opencast?

At Opencast, we love to keep things simple, and we love automation.

It’s not the same as your standard Devops Consultant job. Depending on your client’s needs, you’ll take on a range of roles. These will include:

  • Taking the lead on responding to outages, triaging issues, balancing stakeholder priorities/concerns, and keeping communication channels open with all parties.
  • Developing, and implementing continuous deployment solutions that help our clients to deliver software faster and more efficiently.
  • Collaborating with our clients to understand their ways of working and will have an enthusiasm to learn new tools and technologies as needed.
  • Contributing within Opencast communities.
  • Ensure that work is carried out in accordance with Opencast’s quality, environmental, and information security policies and procedures, as well as applicable customer policies, standards, and procedures while working on client.

We care about building things right. We believe in good devops practices and keeping things simple. We want to support you as much as we can on interiorising our approach to devops engineering and you supporting others.

  • We are proud consultants who combine our own experience and approach with our company values.
  • We are comfortable with new tech. We are empowered, cloud native, vendor agnostic devops engineers. We are empathetic, patient and care about quality.
  • We know when to pick our battles and how to manage expectations. We are humble, inclusive team players that listen and collaborate, with zero egos!
  • We’re always willing to teach and help others (inside or outside of our team). And we’re always willing to learn.
  • It’s a varied job that keeps you super technical and excited.

Salary:

  • ÂŁ50,000 - ÂŁ60,000

Some of the benefits our offer includes:

  • A competitive pension, health cash plan, share options and discretionary bonus.
  • Flexible hours and 25 days’ holiday.
  • People to support you every step of the way.

Where you’ll work:

  • Your working time at Opencast will be split between multiple locations, including from our HQ and hub locations, client site or home. Travel is part of life at Opencast, and takes in account requirements of your work, our clients and your team.

We include you:

  • We welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all.

Interview:

  • Job interviews are on Microsoft Teams. We’ll make any adjustments to help you.
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