1 to 25 of 244 Contract Java Jobs in the UK

Application Solution Architect- Payments

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Docker, Kubernetes). Proficiency in AI technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2 ...

Senior Java Microservices AWS developer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Position: Senior Java Microservices AWS developer Location: London, UK (2 days a week from office) 6 months contract position The Role As Senior Java Microservices AWS developer with a strong hands-on experience, you will design and develop scalable, cloud-native web applications using Java and AWS Serverless architecture Model. … Your responsibilities: (Up to 10, Avoid repetition) Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services ...

Java Developer-Golang

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
Description:- We are looking for a skilled Java Developer with strong Golang experience to design, develop, and maintain high-quality backend applications. You will work closely with cross-functional teams to build scalable, reliable, and performant systems. Key Responsibilities Design, develop, and maintain backend services using Java and Golang Write … scalability, and reliability Troubleshoot, debug, and resolve production issues Contribute to CI/CD pipelines and automated testing efforts Required Qualifications Strong experience in Java (Java 8+) Hands-on experience with Golang in production environments Solid understanding of JVM internals and object-oriented design principles Experience with frameworks such ...

Java Developer

Hiring Organisation
Experis
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Role: Java Developer Location: Solihull/Remote (2 days per week on-site) Duration: 6 Months Day rate: Negotiable Outside IR35 Clearance: Active SC clearance required & NPPV3 is desirable About the Role: We are seeking a highly skilled Lead Java Developer to join our team and work on a large … biometric products, supporting live systems, and diagnosing incidents. You will be part of a collaborative team that prides itself on engineering the best possible Java code. Key Responsibilities: Develop and implement solutions for biometric products. Support live systems and diagnose incidents. Collaborate with the team to ensure high-quality Java ...

Java Developer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
500/day (Outside IR35)
Java Developer Birmingham (Hybrid) 6 Month Contract £450-500/day (Outside IR35) Java Developer needed with both active SC Clearance and NPPV3 Security Clearance. 6 Month Contract based in Birmingham (Hybrid). Paying up to £450-500/day (Outside IR35). Start ASAP in Feb/March 2026. … work with a leading global IT transformation business specialising in delivering large-scale Government/Public Sector projects. Key experience + tasks will include: Java Developer needed to work on developing solutions for a large-scale Government/Public Sector programme. Government/Public Sector/GOV.UK sector experience strongly ...

Java Developer

Hiring Organisation
RT Consulting
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £500 per day Outside IR35
Role: Java Developer Sector: Government/Public Safety Clearance: Active SC + NPPV3 required IR35: Outside 6 month initial contract Location: Hybrid (2 days per week onsite Solihull) Start: ASAP We are seeking Java and Lead Java Developers with current SC + NPPV3 clearance to support complex engineering, platform integration … doing Developing new features and integrations across secure biometric and identity platforms Supporting live, mission-critical systems and troubleshooting production issues Building high-quality Java microservices and APIs Contributing to Agile delivery teams focused on reliability, performance and secure coding Core Skills & Experience Java Spring Boot, Spring Data JPA, Spring ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda … code reviews, and take full ownership of feature development from design to production. Essential skills/knowledge/experience: Minimum 10 years of experience Java application development Strong hands-on expertise in Java 11+ (preferably Java 17 or latest) Proficiency in Spring Boot, Microservices architecture, and Core Spring Experience with ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 620 Daily
Strong background in distributed, cloud native, and data intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
Strong background in distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker ...

Java Fullstack Developer

Hiring Organisation
Response Informatics
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Contract
Responsibilities Design, develop, and maintain backend services and APIs using Java and Spring Boot Work with Oracle and PostgreSQL databases (schema design, query optimization, data migration) Build and deploy applications in containerized environments using Docker and orchestrate deployments with Kubernetes Implement cloud-native solutions on AWS, Azure, or GCP ensuring … solutions and driving continuous improvement Mentor peers by sharing knowledge, best practices, and fostering a culture of technical excellence Required Qualifications Strong experience in Java and Spring Boot development Hands-on experience with Oracle and PostgreSQL databases Proficiency in Docker and Kubernetes for containerization and orchestration Experience with cloud deployments ...

Application Solution Architect - Corporate Payments

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
microservices architectures , cloud platforms (AWS/Azure/GCP), and integration technologies. Experience with DevOps, CI/CD, containerisation , and modern development languages (Java, .NET, Python, JS frameworks). Ability to translate complex architecture for technical and non-technical stakeholders . 10+ years' experience in Banking/Financial Services technology. ...

Java Tech Lead

Hiring Organisation
Velocity Talent Ltd
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£300 per day £300 POUNDS PER DAY INSIDE IR35
Java Tech Lead/Architect with 10+ years experience is needed for an initial 6-month contract with further extensions up to 18 months paying £300 a day inside IR35 to drive the design and execution of high-scale, event-driven systems. This role is a hybrid of strategic architectural … microservices within a complex, long-term program. Key Responsibilities Architectural Leadership: Design and oversee the implementation of scalable microservices and event-based architectures using Java, Spring Boot, and Kafka. Team Steering: Act as the technical point of contact for the team; facilitate decision-making, sprint planning, and resource allocation. Quality ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
Azure Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with CI/CD, monitoring tools, and DevOps practices Security and quality-first mindset Bonus Points: Azure Databricks, Data ...

Cloud Security Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
benchmarks (e.g., CIS, GDPR, PCI-DSS, ISO standards) and industry cloud security standards (e.g., NIST, CSA) Proficiency in coding and workload languages (e.g., Python, Java, .NET) and practical understanding of various cloud models (IaaS, PaaS, SaaS) Excellent documentation, presentation, and analytical skills with the ability to convey technical concepts ...

Lead Java Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day Outside IR35
Responsibilities: Develop and implement solutions for biometric products. Support live systems and diagnose incidents. Collaborate with the team to ensure high-quality Java code. Essential Skills and Experience: Proficiency in Java 17+, Spring Boot, Spring Data JPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST … components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum) Public sector experience. 8-10 years of hands-on experience with large-scale Spring-based Java projects. Experience supporting live systems and diagnosing incidents. Experience in large-scale integration projects involving microservices, messaging, web services, and distributed systems. Experience with ...

Senior Java Developer

Hiring Organisation
Jackson Hogg Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day
Senior Java Developer Initial 3-month contract starting ASAP Tech stack/skills required: Java specialist Prior gov experience will be prioritised Java 21+, Spring 3 NodeJS CI/CD pipelines (GitLab CI) MongoDB (NoSQL) TDD and Unit Testing AWS Cloud Technologies Microservice architecture Apache Kafka Docker/Containerisation ...

Developer

Hiring Organisation
SmartSourcing plc
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £625/day
Cleared environment. You will need to be SC or DV (developed vetting) cleared & willing to undertake DV clearance Essential Skills required for the role: Java Spring Boot AWS Python Spark Hadoop Kafka ElasticSearch OpenShift/Kubernetes NiFi ...

Test Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £435/day
clearance required Key skills : Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role Strong scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs ...

AWS DevOps / Platform Engineer - DV Cleared

Hiring Organisation
Network IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £640/day
/Lambda/EKS and CDK - Awareness of networking and security principles when applied to AWS cloud infrastructure - Docker/Kubernetes - Python/Java - SQL Databases - Integration of 3rd party software - Must be a British Citizen, with DV clearance or a record of DV clearance ...

Site Reliability Engineer

Hiring Organisation
Venn Group
Location
Gloucestershire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
RabbitMQ/AMQP)• Linux administration & scripting• AWS experience (EC2, RDS, S3, Lambda)• Strong understanding of networking and security fundamentals Nice to Have• Coding experience (Java, Go, Python)• Secure or cross-domain system experience• Service management or operations background• Azure exposure ...

Software Engineer - Data Analytics

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£450/day inside ir35
Database (Oracle, RDS, Redshift, MySQL, Hadoop, Postgres, etc) Job Scheduling toolset (Job Scheduler, TWS, etc) Programming and scripting languages (PL/SQL, SQL, Unix, Java, Python, Hive, HiveQL, HDFS, Impala, etc) Must have knowledge of these tools: ALM Tooling (Jira, Confluence, Bitbucket) CI/CD toolsets (Gitlab, Jenkins, Ansible) Data ...

Neo4j Developer / Graph Database Specialist

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with other data platforms or applications. Knowledge of software development best practices, including version control, testing, and deployment. Proficiency in relevant programming languages (e.g., Java, Python, or JavaScript). Excellent problem-solving skills and attention to detail. Strong communication skills and ability to work collaboratively in a team. Preferred Qualifications ...

Senior Software Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
enthusiastic Senior Software Developer to join our dynamic team. In this role, you will work on designing, coding, and testing software applications using Java and Spring Boot technologies and more. You will collaborate with a team of experienced developers to deliver high-quality software solutions. This is an excellent opportunity … with cross-functional teams to develop scalable solutions that propel our client's business forward. Key Skills/Knowledge/Experience Demonstrated experience in Java (and Spring Boot), Golang, or other server-side languages and frameworks, and/or experience with client-side JavaScript/TypeScript and common libraries such ...

Contract Java Developer - Inside IR35

Hiring Organisation
Halian Technology Limited
Location
Fleet, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Java Developer Inside IR35 Halian Technology are currently looking to hire several contract Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. … have an oversight on design decisions and guides team to achieve key results for products assigned to them. Key Skills needed: 4 years + Java Development Java 17/21 Spring boot Nexus, Artifactory, Sonar, Jacoco Kafka Kubernetes, Helm Databases - Hbase etc Nice to have: Kafka Streams, Data sinks ...

Senior Java Engineer - Azure - Finance Domain - London

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
€500 - €700 per day
Senior Java Engineer (Azure) - Finance - London Daily rate: €500 - €700 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior Java Engineer with Azure and Kafka experience to join the team on a freelance basis. We are specifically … looking for an individual with strong Core Java expertise, as this role primarily involves server-side development. Must be based in the UK and happy to be on site 8 days per month which is mandatory. Responsibilities & Duties Working as part of an Agile development team to deliver the migration ...