Java Developer Java Developer jobs in London

Delta Capita

Location London, Hybrid Role Type 12 Month Contract Rate £700 - £800 per day Delta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. This role will focus on developing and enhancing low‐latency components within an electronic trading

Trades Workforce Solutions

Java Developer Contract: 12 months Rate: £600 per day (Inside IR35) Location: UK (Hybrid / Remote depending on phase) Project OverviewThis role sits within a large-scale NHS digital transformation programme delivered via a leading consultancy partner. The programme focuses on modernising critical he

eFinancialCareers

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engi

WorldFirst

A leading international payments company in the UK is seeking a passionate Junior-Mid Java Developer to join their collaborative team. The role focuses on designing, developing, and implementing scalable Java applications while working closely with cross-functional teams. Ideal candidates will have

Harvey Nash Group

Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract*inside IR35 - umbrella*Key ResponsibilitiesDevelop and maintain high‐performance backend services for complex data processing workloads.Design scalable architectures for large‐volume calcula

bluemapleit

A leading software firm based in the United Kingdom is seeking a Software Developer to design, develop, and support web-based applications. The ideal candidate will possess a Master's degree in a relevant field and 2 years of experience in software development, particularly with Agile methodologies

Job Description Is your CV ready If so, and you are confident this is the role for you, make sure to apply asap. Senior Java Fullstack Developer - VP level - Investment Technology / Finance An industry leading global financial and technology organisation are looking for Senior Java Software Engineer

Company OverviewEeze is a fast-growing iGaming provider looking to expand its operations in the European market. We design, develop, and deliver immersive live casino games tailored to your brand and its audience. Role OverviewAs a Java Developer within the Slot Team, you will play a crucial role in

Citibank (Switzerland) AG

For additional information, please review .**About Citi**As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe, we are an international team encompa

WorldFirst

A global payments company in Greater London is looking for a passionate Junior-Mid Java Developer to join their collaborative team. The role involves designing, developing, and implementing Java-based applications while ensuring scalability and performance. Ideal candidates will have a Bachelor's de

Ad Astra Consultants

Java Multi-threading Developer – Trading / Risk Platforms We are looking for a Java Developer with experience in capital markets and risk systems , working on backend services, APIs, and data processing components supporting trading, risk calculations, and reporting. Key Responsibilities Develop and

Adecco

A leading organisation in the financial sector seeks an experienced Java Developer for a 12-month contract with hybrid working options. Responsibilities include developing and maintaining software applications, providing technical direction, and leading project initiatives. The ideal candidate will

NextWave Consulting Ltd

Location: UK (Hybrid / Onsite as required) Experience: 5 years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The platform spans on‑premise and cloud environments and underp

State Street

This job is with State Street, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Role Summary : We are seeking an experienced Java API Developer to join our Digital Asset development team. This

State Street

Role SummaryWe are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building end‐to‐end product experiences across modern web user interfaces and Java backend services that power institutional digital ass

Etraveli Group

A leading global flight technology provider in Greater London is seeking a Senior Java Developer. In this role, you'll contribute to our evolving Air Content platform, engaging in design, development, and maintenance of critical Java applications. You will collaborate with diverse teams to implement

Delta Capita

A leading consulting and solutions provider is seeking a skilled Senior eTrading Developer in London. This contract role involves developing low-latency components within an electronic trading platform. Responsibilities include working with stakeholders to design and implement systems, coding in Jav

CBSbutler Holdings Limited trading as CBSbutler

IDAM Back-end Java Developer - SC ClearedRate: 500 - 535 a day IR35: Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking

Sanderson Government & Defence

A leading government and defense contractor based in Greater London is seeking a candidate with 2-5 years of development experience, particularly in J2EE applications. Familiarity with technologies such as Java, Spring Framework, and systems administration is essential. The company promotes a divers

NextWave Consulting Ltd

£50,000 - £65,000 /year

Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We're building the core backend services of a