Contract Java Developer Job Vacancies

1 to 25 of 44 Contract Java Developer Jobs

Senior Java Developer

Netherlands
Orca Recruitment
Vacancy: Senior Java Developer (Hybrid) Location: Amersfoort Duration: 6 months Our client is a fast-growing organisation in the energy sector and is looking for a Senior Java Developer to join their team. Responsibilities for the Senior Java Developer role include: Build and maintain back-end applications in the data sharing domain. Assist with … by participating in the Community of Practice for developers. Work as part of an Agile SAFe team (office days are Tuesday and Thursday). Candidates applying for the Senior Java Developer role will need: OAuth 2.x/OpenID Connect At least 5 years of Java experience Recent experience with Java (17+) Frameworks: Spring Boot AWS Desirable … skills for the Senior Java Developer role include: Experience in the energy sector Agile/Scrum SAFe experience Asynchronous messaging (Apache Kafka) Relational databases (AWS Aurora MySQL/MariaDB preferred) Git (GitLab preferred) Build tools such as Gradle/Maven SonarQube/SonarCloud Container orchestration platforms (RedHat OpenShift/Kubernetes preferred) CI/CD: Helm Charts, ArgoCD Contract More ❯
Employment Type: Contract
Rate: €600 - €700/Day
Posted:

Senior Java Developer

London, South East, England, United Kingdom
Proactive Appointments
Senior Java Developer Inside IR35 - 3 days onsite Our banking client is seeking an experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer … you will play a key role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross-functional teams to define, design … and deliver new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong background in unit, regression, and integration More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:

Senior Java Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
Invitise Ltd
Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability … to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following Java 21 (or later) Test Driven Development (TDD) and Behaviour Driven Development (BDD) Large microservice architectures Agile environments and pair programming Implementing APIs for internal and external use Building automated test suites in CI/… have: Jackson, JAX-RS, Mockito ActiveMQ or Kafka MongoDB or other NoSQL/document databases Experience scaling high-traffic websites and handling large data sets Interested? Please apply below. Java Software Engineer, Java, Java 21, Microservices, TDD, BDD, Agile, APIs, CI/CD, Leeds, Government, Public Sector, Developer, Contract, Inside IR35 More ❯
Employment Type: Contract, Work From Home
Rate: Up to £700 per day
Posted:

Junior Java Developer

Birmingham, West Midlands, England, United Kingdom
Hybrid / WFH Options
The Difference Engine
We're helping our retail banking client with their search for a junior java developer , who will has an excellent handle on microservices architecture. Here are the essential skills the client needs for this junior java developer opportunity:- 3+ years of software development experience in Java, and expected to be hands-on to software development … Excellent communication and follow-through, analytical, self-motivated, attention to detail a must This is an inside IR35 contract and offers some potential to convert to a permanent junior java developer role.Please note this role requires 5 days a week office attendance in our client's beautiful offices, located in Central Birmingham. There is ZERO accommodation for home … assured of a response within 24 hours.The Difference Engine are an agency working on behalf of this Birmingham based retail banking client who need associate-level support with their java/kafka/MongoDB/microservices stack. More ❯
Employment Type: Contractor
Rate: £500 - £540 per day
Posted:

Java Developer

Nationwide, United Kingdom
Hybrid / WFH Options
ISR RECRUITMENT LIMITED
Java Developer 6 month contract Outside-IR35 Remote Working Market Rates The Opportunity: Our client is currently looking to bring on an experienced Java Developer to assist with the delivery of an enterprise scale, public sector project. You will work within a team to deliver a robust, feature rich solution that fits the client's requirements. … Skills and Experience: c5 years full stack development experience in Java, with Object-Oriented Development (OOD) skills A strong understanding of software engineering patterns and practices (server-less, micro services etc.) Experience of working as part of an agile team, working with Continuous Delivery pipelines, tools and techniques (GitLab, Jenkins, Docker etc.); and integrating automated testing into CI/ More ❯
Employment Type: Contract
Rate: £450 - £500/day (Outside IR35)
Posted:

Senior Java Developer

London, United Kingdom
Ascendion
Job Title: Senior Java Developer Role Summary: We are looking for a highly skilled Senior Java Developer to design, develop, and maintain enterprise-grade applications. The role involves working closely with architects, business analysts, and cross-functional teams to deliver scalable, secure, and high-performing solutions. Key Responsibilities: Design, develop, and implement robust Java-based … compliance with security standards. Troubleshoot, debug, and resolve complex production issues. Contribute to continuous improvement in development processes and tools. Required Skills & Experience: 5–8+ years of experience in Java/J2EE application development. Strong knowledge of Core Java, Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate/JPA. Hands-on experience with RESTful APIs, Microservices architecture More ❯
Employment Type: Permanent, Contract
Posted:

Lead Java Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Invitise Ltd
Were looking for a Lead Java Developer for our public sector client based in Leeds, Manchester or Newcastle on an initial contract paying up to £750 per day Inside IR35 on an initial 12 month contract. This role requires 3 days per week in the office and applicants must hold or be eligible to obtain Security Clearance (SC … engaging with stakeholders Driving the evolution of digital services and underpinning infrastructure Essential skills: Strong experience in one or both of the following: Modern software engineering for digital products (Java, microservices, Hexagonal architecture, MongoDB, Kafka) OR Cloud infrastructure, DevOps, and automation (AWS, Terraform, GitLab CI, Jenkins) Proven track record of leading engineering teams, providing technical guidance, coaching, and mentoring … control, assurance, secure design) Strong collaboration and ability to share knowledge within engineering communities Experience delivering in complex, multi-disciplinary environments to tight timescales Interested? Please apply below. Lead Java Developer, Technical Lead, Public Sector, Java, Microservices, AWS, Terraform, GitLab CI, Jenkins, MongoDB, Kafka, DevOps, Digital Services, Inside IR35, SC Cleared More ❯
Employment Type: Contract
Rate: Up to £750 per day
Posted:

Early Careers Java Developer

London, South East, England, United Kingdom
Lorien
Early Careers Java Developer Our Tier 1 Investment Banking client is looking for a highly skilled Early Careers Java Developer to join their London based team for a 12 months initial contract with a view to hiring permanently. Skills Required: Ideally achieved 2:1 or higher in relevant degree Core Back end Java Skills An More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Java Developer

Nationwide, United Kingdom
Hybrid / WFH Options
Unify Talent UK
Senior/Lead Java Developer £(Apply online only) per day Outside IR35 Fully Remote (Must be UK based) Initially 6 Months (Project scope for 12-24 Months) Start ASAP! Unify are proudly, exclusively representing a highly respected digital transformation partner, as they embark on another exciting, high profile program of works. We are looking for 2 Senior or … Lead Java Developers to join the team on a long term contract basis. ***The ideal Senior/Lead Java Developer will have proven experience of working on long term Government, defense or public sector projects, with a team playing, consultative approach, with excellent communications and customer facing skills*** We need: Strong experience in Java Development Experience More ❯
Employment Type: Contract
Rate: £475 - £500/day
Posted:

Java Developer

Farnborough, Hampshire, England, United Kingdom
FDM Group
FDM is a global business and technology consultancy seeking a Java Developer to work for our client within the finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Farnborough. As a Java Developer, you will play a key role in designing, developing, and … maintaining robust applications using Java and associated frameworks. You will work closely with cross-functional teams including DevOps, QA, and Product to deliver high-quality software solutions that align with business objectives. You will be expected to bring a proactive approach to problem-solving, contribute to technical discussions, and uphold best practices in secure and scalable application development. This … ideal for professionals who thrive in agile settings and are eager to continuously learn and evolve with the latest technology trends. Responsibilities Design, develop, and maintain scalable applications using Java, Spring, and Spring Boot Develop and manage RESTful APIs for seamless system integrations Collaborate with DevOps teams to build and optimize CI/CD pipelines using Jenkins, Ansible, Sonar More ❯
Employment Type: Contractor
Rate: £50,000 per annum
Posted:

Calypso Java Developer - Inside IR35 - London/hybrid

London, United Kingdom
Hybrid / WFH Options
Coltech Recruitment
Job Title: Calypso Java Developer Start Date: As soon as possible Location: Threadneedle Street, London (4 days per week onsite) Salary/Rate: Up to £600/day INSIDE IR35 Job Type: 12 month contract - very likely to extend Company: Global software consulting - joining the financial arm of the business Responsibilities: We are looking for a Senior Software … take part in capacity planning and design activities, and work with colleagues within FI & Derivatives team and beyond to help deliver best-in-Class systems. Qualifications: Undergraduate Degree Strong Java Developer needs to have experience designing/building distributed applications, JVM tuning, multi-threading Strong Calypso Experience Capital Market Knowledge Trade Management SQL Knowledge/Oracle DB Linux More ❯
Employment Type: Contract
Rate: £450 - £600/day
Posted:

Java Developer

Glasgow, Lanarkshire, Scotland, United Kingdom
FDM Group
FDM is a global business and technology consultancy seeking a Java Software Developer to work for our client within the finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Glasgow. Our client is seeking a talented Java Developer with at least 5 years … scale distributed applications, preferably on Azure/Cloud. Responsibilities Collaborate with stakeholders to refine technical requirements and contribute to architectural decisions Design and implement distributed, event-based microservices using Java 8+, Spring Boot, and modern messaging protocols Develop scalable, secure APIs and services that handle high-throughput financial transactions Build and maintain automated CI/CD pipelines, infrastructure-as … a seamless deployment pipeline Work in an agile environment with regular sprint planning, reviews, retrospectives, and continuous delivery Requirements Minimum of 5 years’ experience developing enterprise-grade applications using Java 8 or above Expertise in Spring Boot and related Spring ecosystem frameworks Strong understanding of microservice architectures, design patterns, event-driven systems, and distributed computing Experience with messaging technologies More ❯
Employment Type: Contractor
Rate: £55,000 - £75,000 per annum
Posted:

Java Developer

Birmingham, West Midlands, West Midlands (County), United Kingdom
Huxley Associates
My client within Investment Banking is looking for a Java developer to join their team. The role will be working on development of systems and applications. Requirements 4-6 years of Java Development experience Java 11+ Spring, Springboot Experience working with microservices architecture Kafka or equivalent MQ Strong understanding of SDLC Contract: 6 Months Rolling Rate More ❯
Employment Type: Contract
Rate: £500/day
Posted:

Senior Java Developer - Credit, Algo, E-Trading

London, South East, England, United Kingdom
Harvey Nash
Senior Java Developer - Credit, E-Trading, Algo sought by leading investment bank based in the city of London.**Inside IR35 - 4 days on site** The role: Project work also includes enhancements to the auto-quoting and algo framework for pricing, offering, and quoting. Will specifically focus on engagement, framework design and development of deliverables for Credit Cash electronic … design and progress. Must have: Hardworking, dedicated, detail oriented, focused on quality and a team player, with effective verbal and written communications. Extensive hands-on coding in server-side Java with strong emphasis on Java Concurrency, RX Streams, Caching (GridGain as Cache), Collections API, Messaging and Event processing across multiple streams Solid coding experience in multi-cast messaging … with relational DB (SQL Server, Sybase, Oracle) Solid technical design experience of low latency trading application services Dev Ops tools (Maven, Jenkins, Nexus, Helios) experience. Overall 7+ Years of Java dev Experience Minimum of 2 years' experience in Linux/UNIX/Shell scripting Banking Domain Experience (Capital Markets/Banking/CM Front Office/Risk) A strong More ❯
Employment Type: Contractor
Rate: £600 - £620 per day
Posted:

Java Developer

G1, Glasgow, Glasgow City, City of Glasgow, United Kingdom
Uniting People
Urgent Contract Java Developer Duration - 6 months Skill set : Java, extJS (older screens), React (some of the newer screens) & Oracle SQL would be the main skillset requirement. Location : Glasgow based 5 days a week onsite is mandatory More ❯
Employment Type: Contract
Rate: £450 - £500/day inside IR35
Posted:

Java Developer

London, United Kingdom
Ascendion
Job Description: We are seeking an experienced Java Developer proficient in enterprise Java, Spring Boot, microservices, Angular, and Linux. The successful candidate will contribute to designing, developing, and maintaining high-performance applications. Application Development: Design, develop, and maintain Java applications using Spring Boot. Microservices: Implement and manage microservices architecture. Front-End Integration: Develop front-end interfaces More ❯
Employment Type: Permanent, Contract
Posted:

Senior Digital Java Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Qualserv Consulting
We are looking for a strong Senior Digital Java Developer for a 12 month contract based in Leeds, UK £700 per day inside IR35 via an umbrella company 12 months, extendable Leeds (Hybrid; 60% onsite/40% remote) Essential Experience Required Must be SC Cleared OR eligible for SC Clearance Experience of leading or directing a team of … Java Developers. Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use. Taking part in 2nd-line support of applications and platforms and help build server-side web applications. Be able to communicate technical concepts to a non-technical audience. Maintain system administration and configuration management skills … Build a scale high-traffic websites and maintain an understanding of web architecture. Knowledge of unix-like operating systems such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯
Employment Type: Contract
Rate: From £650 to £700 per day
Posted:

Fidessa Developer - Java / Spring

City of London, London, United Kingdom
Harvey Nash
Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid *inside IR35* Key Responsibilities Develop and customise the Fidessa cash equities order management systems for US and Canadian markets. Translate business requirements into technical solutions using Fidessa and Java. Collaborate with global teams to deliver high-quality solutions. Provide mentorship to new team members … line technical issues as needed. Essential Skills & Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Spring framework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such as GitHub, Maven More ❯
Employment Type: Contract
Rate: £620 - £720 per day
Posted:

Fidessa Developer - Java / Spring

London, South East, England, United Kingdom
Harvey Nash
Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid *inside IR35* Key Responsibilities Develop and customise the Fidessa cash equities order management systems for US and Canadian markets. Translate business requirements into technical solutions using Fidessa and Java. Collaborate with global teams to deliver high-quality solutions. Provide mentorship to new team members … line technical issues as needed. Essential Skills & Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Spring framework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such as GitHub, Maven More ❯
Employment Type: Contractor
Rate: £620 - £720 per day
Posted:

Java Developer - Inside IR35

London, South East, England, United Kingdom
Akkodis
Java/Scala Developer £500-525 p/d inside IR35 Hybrid, London - 2-3 days on site 6 months + extension Brief My client is looking for an experienced Java/Scala Developer to join a leading investment bank to sit within their FICC eTrading technology team. While strong Java/Spring expertise is … trading desks, quants, and strategists for L3 production support and new solution design. Enhance and maintain core Credit eTrading systems while contributing to cross-FICC initiatives. Required Skills Strong Java/Spring development background. Proven experience building FIX trading solutions. Hands-on experience with eTrading workflows in Credit or Rates. Strong debugging and profiling skills across JDK languages (Java More ❯
Employment Type: Contractor
Rate: £500 - £525 per day
Posted:

Java Developer - Inside IR35

London, United Kingdom
Akkodis
Java/Scala Developer £(Apply online only) p/d inside IR35 Hybrid, London - 2-3 days on site 6 months + extension Brief My client is looking for an experienced Java/Scala Developer to join a leading investment bank to sit within their FICC eTrading technology team. While strong Java/Spring expertise … trading desks, quants, and strategists for L3 production support and new solution design. Enhance and maintain core Credit eTrading systems while contributing to cross-FICC initiatives. Required Skills Strong Java/Spring development background. Proven experience building FIX trading solutions. Hands-on experience with eTrading workflows in Credit or Rates. Strong debugging and profiling skills across JDK languages (Java More ❯
Employment Type: Contract
Rate: £500 - £525/day
Posted:

Senior Java Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
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 More ❯
Employment Type: Contractor
Rate: £800 - £900 per day
Posted:

Digital Java Developer Lead

Nationwide, United Kingdom
Computer Futures
Computer Futures are looking for an exceptional Digital Java Developer Lead to join our public sector client, who manages some of the UK's most critical public services. This is a unique opportunity to lead the development of digital products that directly impact millions of lives. You'll be part of a major transformation programme, helping to modernise … may lead a team focused on: Developing agent or citizen-facing digital systems Building shared capabilities that support development, assurance, deployment, and operations. Essential Skills and Experience Software engineering (Java, microservices, Hexagonal architecture, MongoDB, Kafka) or cloud infrastructure & DevOps (AWS, Terraform, GitLab CI, Jenkins) Technical leadership , including team guidance, mentoring, and development Engineering best practices in secure design, version More ❯
Employment Type: Contract
Rate: £650 - £750/day
Posted:

Java Developer

London, South East, England, United Kingdom
Huxley
My client within Investment Banking is looking for a Java developer to join their team. The role will be working on their Equities position keeping systemRequirements Core Java object-oriented design and development principles Multi-faceted role (development, testing, support analysis, release co-ordination) developing in Linux, multi-threaded, large scale, fault tolerance systems Azul Zing, FIX More ❯
Employment Type: Contractor
Rate: £600 - £800 per day
Posted:

Java Developer

London, United Kingdom
Huxley Associates
My client within Investment Banking is looking for a Java developer to join their team. The role will be working on their Equities position keeping system Requirements Core Java object-oriented design and development principles Multi-faceted role (development, testing, support analysis, release co-ordination) developing in Linux, multi-threaded, large scale, fault tolerance systems Azul Zing More ❯
Employment Type: Contract
Rate: £600 - £800/day
Posted:
Java Developer
10th Percentile
£355
25th Percentile
£425
Median
£525
75th Percentile
£671
90th Percentile
£850