21 of 21 Contract Java Jobs in Central London

Java Full Stack Engineer

Hiring Organisation
Quinnox Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day
Job Description: Full Stack Engineer Contract: Inside IR 35 Duration: 3 months rolling Role Overview We are looking for a Full Stack Engineer with strong experience in React Native for mobile/front-end development ...

Senior Developer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Healthcare Frontend Toolkit and Design System to build accessible, user-focused interfaces. Develop back-end services primarily in Python , while supporting existing systems in Java and .NET . Maintain and enhance legacy services using Oracle SQL PL . Implement robust CI/CD pipelines and infrastructure using AWS, Azure ...

Senior Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java and .NET. Oracle SQL PL to support existing services. Infrastructure/DevOps technologies including AWS, Azure, SQL server, Postgres, GitHub, Azure DevOps, Linux, docker and Kubernetes ...

Full Stack Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£459 - £460/day
working with complex data challenges. Python as the preferred back-end language for new services, however we also need to support languages including Java and .NET. Oracle SQL PL to support existing services. Infrastructure/DevOps technologies including AWS, Azure, SQL server, Postgres, GitHub, Azure DevOps, Linux, docker and Kubernetes ...

DevOps Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £478/day
engineer to design, implement and maintain the infrastructure, tools and processes that enable rapid development and high-quality software development. Tech Stack Required: Kafka Java docker Spring (framework boot, Data) K8 Helm React Typescript/JavaScript Postgres Open Search/ElasticSearch Playwright Wiremock Grafana Prometheus Dynatrace Git NodeJS Rest ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£850 - £950/day
cross-functional teams for safe AI adoption. Qualifications Degree in Computer Science, Data Science, Finance, or related field. Strong programming skills (Python, SQL, C++, Java, etc.). Experience with AI/ML frameworks (TensorFlow, PyTorch). Minimum 4+ years in AI roles within finance or consulting. Knowledge of AI ethics ...

AI Evangelist - Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £1000/day
Master's degree in Computer Science, Data Science, Finance, or a related field. Experience with high-level programming languages such as C++, Java, or C#. Proficiency with TypeScript, Node.js, and modern JavaScript frameworks for UI development. Strong hands-on experience with Python, SQL, and AI/ML frameworks (e.g., TensorFlow ...

Devops Manager (Hands On)

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £1000/day Up to £1,000pd (Inside IR35)
other departments. What you'll need to succeed Strong knowledge of AWS cloud. Extensive Experience with automation tools like Terraform and CloudFormation. Experience with Java/JavaScript Strong experience with CI/CD pipelines (GitHub Actions, Jenkins). Understanding of monitoring tools (CloudWatch, Prometheus, Grafana). Ability to troubleshoot ...

Java Full Stack Engineer

Hiring Organisation
Quinnox Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
Job Description: Full Stack Engineer Contract: Inside IR 35 Duration: 3 months rolling Role Overview We are looking for a Full Stack Engineer with strong experience in React Native for mobile/front-end development ...

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
clearance. Duration : initial work package until March 2026 (scope for extension as a long-term programme) We're looking for an expert Full-Stack Java Engineer to join a high-profile, fast-moving government programme with a fixed deadline. You'll work in a large team building microservices, scalable APIs … also collaborate directly with senior stakeholders, turning complex problems into tested, working solutions. What You'll Do Build and deploy backend services with Java & Spring Boot Develop scalable APIs Optimise SQL for large datasets Work with DevOps on Docker and AWS deployments Shape architecture and technical direction Write clean, tested ...

Lead Java Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650/day Inside IR35 (Negotiable rate)
Lead Java Engineer 6 Months initial contract 3 Days per week on site in Canary Wharf £Market Rate (Inside IR35) As a Lead Java Engineer, you will be responsible for technical leadership and delivery of one or more Java and Data intensive applications that are key for achieving the business … robust technology environment with a clear appreciation of software development best practices and Agile releases trains Strong experience within server-side development in Java, SQL, Search Technologies, Messaging Technologies with a good understanding of Kubernetes, Dockers and preferably some exposure to GCP (Google Cloud Platform), ReactJS, Python, Big Data Technologies ...

Senior Backend Developer

Hiring Organisation
Vallum Associates Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
Responsibilities AEM Development: Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience click apply ...

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 520 Daily
clearance. Duration : initial work package until March 2026 (scope for extension as a long-term programme) We're looking for an expert Full-Stack Java Engineer to join a high-profile, fast-moving government programme with a fixed deadline click apply for full job details ...

AI/ML Principal Engineer

Hiring Organisation
Velocity Talent Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day £400 a day inside IR35
Reasoning, text-embedding-ada-002 Libraries & Tools numpy, pandas, scipy, scikit-learn, tensorflow, keras, nltk, matplotlib, seaborn, plotly Programming Languages Python, R, C++, C#, Java, Node.js, HTML, SQL Agentic AI OpenAI Agents SDK, Model Context Protocol (MCP), LangChain, LangGraph, Bedrock Agents, CrewAI, Helicone Rate:400GBP/day Inside IR35 Work ...

Senior Developer - £400PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £425/day
Responsibilities Backend Development: Develop and maintain backend services, with Python as the preferred language for new systems. Provide support for services built in Java and .NET, ensuring seamless integration and continued reliability. Enhance and maintain existing solutions using Oracle SQL PL. Database & Data Services: Work with relational databases including Oracle … culture of knowledge sharing and continuous improvement. What We're Looking For Strong experience developing backend services with Python, plus working knowledge of Java and/or .NET. Proficiency in SQL and experience with Oracle PL/SQL or similar technologies. Hands-on experience with cloud platforms (AWS, Azure), containerisation ...

Power Systems Engineer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day Inside IR35
delivering Energy Management Systems Should have worked on Power Systems applications for Distribution (VVC (Volt VAR Control, Automatic Feeder Rate etc) Experience with C++, Java, SQL or other related language. Experience with LINUX and Windows Operating Systems Design, implement, and optimize ADMS solutions to meet business needs and improve operational ...

Observability Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, Cheap, United Kingdom
Employment Type
Contract
succeed Extensive experience in observability/SRE/platform engineering roles Strong experience with OpenTelemetry, Prometheus, Grafana, Splunk, Elastic etc Python, Go or Java programming Experience with Terraform, Helm or other IAC tools What you'll get in return An exciting opportunity to join an international organisation in financial services. ...

eFX Java Developer Contract - 12 months Inside IR35

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £550 per day
Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. You will build and optimise microsecond … quickly for Front Office - Work across design, development, testing and release - Provide 3rd-line support and ensure production stability Skills and Experience: - Strong Core Java - FX background (essential) - Proven low-latency engineering skills - Hands-on with Agrona, ring buffers, UDP, LMAX Disruptor/Chronicle Queue - FIX protocol knowledge - UNIX experience ...

eFX Java Developer Contract - 12 months Inside IR35

Hiring Organisation
CBSbutler Holdings Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 480 - 550 Daily
Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. You will build and optimise microsecond ...

Senior Backend Developer

Hiring Organisation
Vallum Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 per day
Responsibilities AEM Development: Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and the Sling framework. Front-End Integration: Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM for a responsive user experience. System Integration … e.g., in an Agile environment). Key Skill: AEM Sites Assets Must have skills: AEM Components AEM Core Development Adobe Experience Manager Apache Sling Java OSGi ...

Senior Low Latency Developer

Hiring Organisation
Akkodis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Latency Java Developer 12 months £(Apply online only) p/d inside IR35 Hybrid - 3 days p/w in Central London Our client is seeking a Core Java Low Latency Developer to support a major transformation of their distribution connectivity platform. Key Responsibilities Develop and optimise low-latency Core … Java systems with microsecond-level performance focus Measure, analyse, and tune end-to-end latency Support migration from a legacy platform to a new low-latency architecture Build and maintain pricing distribution connectivity across venues Deliver significant FIX protocol integration work Required Skills & Experience Strong Core Java development skills Proven ...