51 to 75 of 139 Contract Java Jobs

looking for a Full-Stack Engineer to build high-scale web applications using React Micro-Frontends Java/Spring Boot , and AWS . You will work in an AI-first Agile environment using Agentic AI tools (Claude, Codex) for rapid code generation while you direct architecture, specifications, code reviews ...

Copilot & Claude Code * OpenAI, Azure OpenAI & Anthropic Claude * LLMs & Generative AI * LangChain, LangGraph, CrewAI, AutoGen or Semantic Kernel * Python, JavaScript/TypeScript, C# or Java * RAG & vector databases * REST APIs & microservices * AI agents and prompt engineering For more information or to apply directly, please email I review applications daily ...

engineering and modern DevOps tooling. Banking or financial services experience is essential. Key Skills & Experience Required Strong programming experience in Golang and/or Java Practical, hands-on cloud-native engineering experience Professional experience with Envoy Proxy and/or Envoy Gateway Strong understanding of RESTful APIs and the OpenAPI ...

Java Developer | AWS Microservices I SC Cleared £280-£500 per day (Inside IR35/Umbrella) Contract: 14 months Locations: London, Manchester, Newcastle or Glasgow (2-3 days on site p/w) Security Clearance: Existing SC or CTC preferred. SC eligibility required. We are looking for an experienced Java Developer … contributing across the full software development lifecycle while collaborating with highly skilled engineers in a modern cloud environment. Key Responsibilities Design, develop and maintain Java-based microservices Write clean, scalable and well-tested code Perform unit testing and support integration testing activities Conduct and approve peer code reviews (PR reviews ...

great opportunity to support nationally critical work with a reputed client. You'll join a team focused on environment management, development and maintenance, and Java feature development and testing-making a real impact for public sector infrastructure. What you'll be doing: * Configure and support infrastructure, middleware, and applications using ...

event-driven architecture Messaging technologies such as IBM MQ, AMPS or Tibco EMS CI/CD, DevOps and automated testing frameworks Desirable Skills Java development experience FDA expertise FTW implementation or development experience Experience within large-scale global investment banking environments ...

maintaining automation frameworks * Strong expertise in API testing and automation (automation desirable, or you can learn and support the team) * Solid programming skills in Java and Python * Hands-on CI/CD experience integrating automated tests into pipelines * Experience with SDLC/STLC and Agile methodologies * The ability to lead ...

Java Developer - SHEFFIELD, UK Location: Sheffield (2 days per week onsite) Contract: Contract Role Overview Our banking clients building a platform that enables control owners and engineering teams to manage and monitor compliance with software development standards and controls. The successful candidate will work on modern Java-based applications … APIs within a microservices architecture, helping deliver scalable and resilient solutions across several strategic applications. Key Responsibilities Design, develop and maintain Java-based backend services and APIs. Build and enhance microservices using modern engineering practices. Collaborate with developers, testers and stakeholders to deliver new features. Troubleshoot and resolve technical issues ...

Role: Senior Java Developer Location: Manchester/Leeds/Birmingham, 60% Hybrid Role Type: 12 months Salary: Depending on experience Role Overview: We are looking for highly experienced Senior Java Developers/Senior Software Engineers who can hit the ground running and take a strong technical leadership role within … Agile engineering environment. Required Skills and Experience : Core technical requirements are: Strong, recent Java development experience Excellent Spring Boot experience Strong AWS experience Hands-on Kafka experience Hands-on MongoDB experience Experience designing and developing robust, scalable and production-ready applications Strong automated testing and integration experience Experience with software ...

Java Developer (SIP/VoIP) Ipswich (Hybrid) 6 Month Contract Inside IR35 My client, a leading telecoms company, is looking for an experienced Java Developer to join a team delivering next-generation voice and communications platforms. This is an exciting opportunity to work on large-scale telecoms services, cloud technologies … powered voice solutions. What You'll Be Doing Developing and enhancing SIP-based voice applications using Java Working with JAIN SLEE and SIP Servlet frameworks Supporting and integrating voice platforms including FreeSWITCH and Asterisk Deploying and supporting solutions across AWS, Azure and GCP Integrating Speech-to-Text, Text-to-Speech ...

Previous experience delivering within central government organisations. Experience supporting health, benefits or citizen-facing services. Knowledge of AWS analytics and reporting services. Exposure to Java-based application environments and associated data structures. ...

+ deployment. Strong background in Software Architecture, systems engineering, distributed systems or complex cloud-native platform delivery. Programming languages: Go, Rust, C/C++, Java, Python. Desirables: AWS Solutions Architect Associate certification, Telecoms, AIOps, Network Ops, RAN/Core Analytics, Data Engineering, anomaly detection, RCA, lakehouse/agent orchestration patterns. ...

Senior Full Stack Java/Vue.js Engineer – Contract Location: UK – Fully Remote Rate: Up to £500 per day IR35: Outside IR35 Duration: 6 months initially I'm looking for an experienced Senior Full Stack Java/Vue.js Engineer to join a high-performing engineering team on an initial 6-month … contributing to architectural decisions and working within an engineering environment where quality, reliability and security are critical. Key Skills & Experience Strong commercial experience with Java Excellent experience with Vue.js Strong full-stack development background Experience building and maintaining complex, scalable applications Strong understanding of REST APIs and modern software development ...

Engineer to join a high-profile public sector delivery programme. The successful candidate will be a strong full-stack engineer with extensive experience across Java-based Back End technologies and modern web development frameworks. You will work within agile, multidisciplinary teams to design, develop, test, and deliver scalable digital services … sector initiatives. Key Responsibilities Design, develop and maintain high-quality software solutions across the full technology stack. Build and enhance Back End services using Java and Spring-based technologies. Develop and maintain RESTful APIs and microservices architectures. Contribute to Front End development and user interface enhancements. Participate in code reviews ...

Engineer to join a high-profile public sector delivery programme. The successful candidate will be a strong full-stack engineer with extensive experience across Java-based Back End technologies and modern web development frameworks. You will work within agile, multidisciplinary teams to design, develop, test, and deliver scalable digital services … sector initiatives. Key Responsibilities Design, develop and maintain high-quality software solutions across the full technology stack. Build and enhance Back End services using Java and Spring-based technologies. Develop and maintain RESTful APIs and microservices architectures. Contribute to Front End development and user interface enhancements. Participate in code reviews ...

health services. Working within an AWS cloud-native environment, you will play a key role in designing, developing, and maintaining scalable digital solutions using Java and modern front-end technologies. You will collaborate within multidisciplinary agile teams to deliver high-quality services that support the programme's strategic objectives. This … proven track record of delivering complex government digital services. Key Responsibilities Design, develop, and maintain secure, scalable full stack applications. Build and enhance Java-based backend services, APIs, and microservices. Develop responsive, accessible, and user-focused front-end applications using modern web technologies. Develop and deploy solutions within AWS cloud ...

Senior Java Developer (SC Cleared) Public Sector Contract We're hiring experienced SC Cleared Java Developers to join a major public sector programme delivering secure, cloud-native digital services. This is an opportunity to work on large-scale systems using modern Java technologies, microservices architecture and AWS cloud services within ...

Description Role: Senior Java Engineer (Contract) Location: London, UK (On-site presence required) Duration: 3-6 Months The Project Our Client are undertaking a critical digital transformation project to migrate their business banking customers from a legacy retail product to their modern commercial platform. The Role We are seeking … highly skilled Senior Java Engineers to join our team for an initial 3-6 month contract. You will be instrumental in enhancing our backend capabilities and improving the velocity of our development teams. A key focus of this role will be to help us transition from traditional development practices ...

Java EngineerJava Engineer | esynergy | London Hybrid Do you enjoy building scalable, customer-facing applications using Java, microservices and modern cloud technologies? Role overview We are looking for an experienced Java Engineer to join one of our strategic programmes, where esynergy is delivering a major piece of work for a FinTech … client. You'll be working predominantly across backend systems, helping to buildand evolve large-scale, customer-facing applications using Java, Spring Boot and microservices. For some positions within the programme, we are also looking for full-stack engineers with React.js experience. Backend engineering remains the primary focus. Essential Skills/ ...

Java Software Engineer – Active SC £70 per hour Umbrella | Inside IR35 | 12 Month Contract | Newcastle upon Tyne (4 days per week onsite, 1 remote working) | UKEO We're looking for an experienced Java Software Engineer to join a major UK defence programme, developing scalable cloud-based software within a modern … Agile engineering environment. This is a hands-on Java development role , with a strong cloud-native focus and exposure to containerisation and DevSecOps throughout the software lifecycle. Key experience: Strong commercial Java development experience Cloud services/cloud-native development Unit and automated testing Spring/Spring Boot and microservices ...

existing supplier. The deal covers the Borders & Trade element of the ITT, providing environment management, I&T development and maintenance, and Java feature development and testing capabilities. The team will work alongside the existing CDS programme to deliver nationally critical infrastructure. What you'll bring: UK Citizen with 5 years ...

guide delivery teams. Technical Expertise Experience across several of the following technologies is highly desirable: SAP CRM SAP UI5, Fiori & Gateway SAP NetWeaver ABAP & Java SAP Industry Solutions (Contract Accounting/Utilities) SAP Enterprise Portal SAP Enterprise Core Component (ECC) SAP Mass Processing SAP Process Integration (PI) If you receive ...

Quality Engineer - Java/Automation/CI/CD 430 per day 6 months rolling Hybrid/Telford (2 days er week on site) Candidates are required to go through BPSS clearance or the role. I'm looking for a Quality Engineer to join a major transformation programme, working within … closely with technical and business stakeholders throughout the delivery lifecycle Required Experience: Essential Software Testing/Quality Engineering CI/CD Git/GitLab Java/Spring Automation testing Strong communication and stakeholder management Team coaching/engagement Agile/Scrum environments A genuine quality-first engineering mindset Highly desirable ...

DevOps Engineer to join a major digital transformation programme for a Central Government client . You will work within a cloud-native AWS and Java environment , helping to build, maintain and optimise the infrastructure, deployment pipelines and cloud platforms underpinning critical public-facing digital services. The successful candidate will have … cloud environments . Build and support CI/CD pipelines to enable reliable and efficient software delivery. Automate infrastructure provisioning, configuration and deployment. Support Java-based applications and microservices . Implement monitoring, alerting and logging solutions to maintain platform reliability and performance. Support platform security, compliance and operational resilience. Troubleshoot ...

Integration Architect/Senior Integration Architect - JAVA/AWS (ESSENTIAL) £600 Pay - Outside IR35 - 4 Days per week on site in London Bridge 6 month initial contract We've partnered with a genuinely exciting organisation who are building a greenfield Bank, as part of this they are implementing a whole … across teams Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) Lead end-to-end integration delivery, including hands-on development (Java/Spring) Ensure scalable, cloud-native solutions on AWS Produce architecture artefacts (blueprints, contracts, ADRs) Guide teams on best practices, API governance, and event design ...