1 to 25 of 28 Remote/Hybrid Java Developer Jobs in London

Senior Java Developer with microservices architecture experience is sought on a fully remote basis by a market leading financial services organisation with a technical hubs across the UK. Working at the forefront of AI driven financial technology this Senior java Developer will play an integral role … microservices architecture to deliver robust, highly scalable solutions used by millions daily. With a real commitment to employee wellbeing and personal development this Senior Java Developer can expect long term commitment to remote, flexible working and a clearing defined progression path with 4 promotion opportunities a year alongside ...

Java Developer London Salary: £38,000 - £55,000 Were supporting a leading cyber security consultancy who are looking for a Java Developer to join their growing engineering team. The organisation helps governments, businesses, and critical organisations defend against cyber threats, reduce risk, and operate securely … high-performance software solutions that process large-scale data and support advanced security and threat detection capabilities. This is a great opportunity for a Java Developer who enjoys solving complex technical challenges and working with modern technologies in a security-focused environment. What youll be doing: Developing ...

Java Developer - Public Sector - SC clearance required Java Developers needed who hold active SC clearance, to work on an exciting central government based project based out of London (95% remote role). As a seasoned Java Developer/Software Engineer, you'll have experience working … with: Central government transformation projects, ideally with GDS experience. Java backend development with microservices. Spring framework (Spring Boot) based web applications. AWS and/or Kubernetes. CI/CD mindset and an agile approach. A consultative approach to problem solving and solution building. You'll enjoy taking a collaborative ...

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScript Up to £550 per day (Inside IR35) Remote 6 Months We are looking for an experienced Full Stack Java Developer to join a large-scale digital programme, delivering modern applications within a microservices environment. … Active SC Clearance and NPPV3 are essential. Key Requirements: Strong experience developing full stack applications using Java (Spring Boot), React and TypeScript. Active SC Clearance and NPPV3. Proven experience working within microservices architectures, building scalable and maintainable solutions. Strong knowledge of PostgreSQL or other relational SQL databases. Hands ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative … latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing. The main responsibilities ...

looking for an experienced Senior Java Developer to join a growing engineering team building cutting-edge post-trade technology solutions within a cloud-first environment. This is an opportunity to work on business-critical applications, APIs, client reporting platforms and web portals while customising sophisticated trading systems used … designing and delivering enterprise-grade software while contributing to architectural decisions, development standards and engineering best practice. Responsibilities include: Designing, developing and enhancing Java-based applications, APIs and web platforms Customising and extending third-party trading systems Building scalable microservices and distributed applications Writing clean, maintainable, test-driven code ...

Title: Senior Java Developer Location: Bromley and London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate: Highly competitive Status : Inside IR35 Working pattern: Full time Overview In connection with the ongoing support and development of the Futures & Options … Collateral business for Global Markets, we are looking for a highly experienced, strong Java and Developer to join the technology teams in Bromley, London working on a range of applications for Collateral. TECHNICAL SKILLS: Developing software applications using Java/J2EE frameworks Enterprise/Core Java ...

Java/Kafka Developer Location: Fully Remote (UK Based) Rate: £525/day (Umbrella/Inside IR35) - NON-NEGOTIABLE Contract Length: 6 Months (with strong view to extend) Clearance: Active SC Clearance (Mandatory/Essential) The Role: An exceptional contract opportunity has arisen for a Senior Java Developer with deep Apache Kafka experience to join a major Central Government Department. You will work autonomously under general direction, taking responsibility for designing, coding, and implementing complex, high-throughput event-driven microservices. This is a fully remote engagement offering brilliant project longevity, allowing you to drive engineering ...

Contract Role – Senior FX e-Trading Java Developer – London/Hybrid – 12 months initial – Inside IR35 PAYE Role Overview: Job Title: Senior FX e-Trading Java Developer Location: Hybrid – 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate … desktop container experiences to low-latency backend services. Lean into the latest AI coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do Architect and implement scalable, event-driven, and microservices-based backend components, including APIs, market data, order/risk workflows ...

more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Senior Java Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate … with the ongoing support and development of the Futures & Options and Collateral business for Global Markets, we are looking for a highly experienced, strong Java and Developer to join the technology teams in Bromley, London working on a range of applications for Collateral. The successful candidates should have ...

Java Quantitative Developer London – Hybrid Java, Low Latency, Algo Trading, Pricing, Hedging, FX/Crypto, DeFi, AWS The company This is an unmissable opportunity for an experienced Java Quantitative Developer to join the crypto trading desk of one of the leading institutional digital asset firms … markets. Build pricing logic and hedging frameworks that drive the desk's market making activity. Translate trader and quant ideas into efficient, production-grade Java code. Optimise existing trading systems for speed, reliability and scalability. Integrate new data sources and ensure data integrity for accurate model input. Monitor ...

Role: Front Office Java Developer Client: Elite Investment Institution Compensation: Up to £130k Base Salary + Bonus + Package Location: London (Hybrid) Overview This firm is an elite investment institution that uphold extremely high tech standards. They are made up of exceptionally talented individuals who are passionate about … Role They will align you with the best team suited to your skillset and interests. You will be working with the latest versions of Java (ideally up to version 21), directly with traders and quants to build high performance pricing and analytics tools from scratch. This is a greenfield ...

Java/Kafka Developer Location: Fully Remote (UK Based) Rate: £525/day (Umbrella/Inside IR35) - NON-NEGOTIABLE Contract Length: 6 Months (with strong view to extend) Clearance: Active SC Clearance (Mandatory/Essential) The Role: An exceptional contract opportunity has arisen for a Senior Java Developer with deep Apache Kafka experience to join a major Central Government Department click apply for full job details ...

Software Developer (Java/Oracle) - SC Cleared Location: London or Leeds (Hybrid - 50% onsite) Duration: 6 months Clearance: SC Cleared (an active SC Clearance is required) Our high profile Banking client is looking for an experienced Software Developer to join a collaborative working group supporting a critical … quality, performance, and maintainability Support and troubleshoot production environments Quickly learn and adapt to the RTGS2 ecosystem Essential Skills & Experience Oracle PL/SQL Java Spring Boot Kafka Hibernate Proven track record in code delivery and production support Strong organisational skills and self-motivation High level of integrity ...

Basic information LocationLondonBusiness LineTechnology & TransformationJob TypeContractDate published02-Jul-2026Req #23986 Job description Job Title: Java Developer (FX Trading) - contract Location: London Hybrid. Travel to the London office on 2-3 days a week Duration: 6 months (with potential to extend) Contract Start Date: ASAP *note client onboarding takes … projects within the firm that suit your experience should you wish to continue with the company. The Role We are looking for an experienced Java Developers to work in the Technology and Transformation Team at the company. You will support the FX trading platforms with one of our global ...

Gravitas Group is seeking a Senior Java Developer to build and enhance back office, middle office, settlements, and prime brokerage platforms in a hybrid UK environment. You will work on scalable microservices, REST APIs, and data-intensive services within a financial services framework. The role requires expertise … Java 11+, Spring Boot, TDD/BDD, and distributed systems, with strong stakeholder engagement skills. Hybrid work is available with onsite presence three days per week. #J-18808-Ljbffr ...

opportunities. Help solve real‐world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology … cause analysis on production issues, drive long‐term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed ...

United States Digital Space LLC is looking for a contract Java Developer (FX Trading) in London. This role involves supporting FX trading platforms and requires strong server-side Java development skills and FX experience in the financial sector. The ideal candidate should possess a robust understanding ...

Hunter Bond is seeking a Front Office Java Developer to join an elite investment institution in London. You will build high-performance pricing and analytics tools, collaborating directly with traders and quants in a greenfield role. The position offers a competitive compensation package of up to £130k base ...

Citi is seeking a Lead Java Developer in London to architect and implement real-time and on-demand risk systems. You will own the full lifecycle from design to production support, integrating new analytics and data sets across global teams. The role emphasizes scalable microservices, streaming data ...

Senior Java Developer | Electronic Trading | VP/Executive Director Location: London Working Pattern: Hybrid, 3 days per week in the office Salary: Up to £200,000 base + exceptional bonus (Total Compensation up to £350,000) Join one of the largest growth programmes in Electronic Trading Technology … quantitative teams and business stakeholders, you'll build software that directly impacts trading performance and execution quality. Projects include: Designing and building low latency Java applications Developing electronic trading and execution platforms Building pricing and market data infrastructure Improving platform performance, scalability and resilience Enhancing execution algorithms and trading ...

Senior Java Developer Electronic Trading VP/Executive Director Location: London Working Pattern: Hybrid, 3 days per week in the office Salary: Up to £200,000 base + exceptional bonus (Total Compensation up to £350,000) Join one of the largest growth programmes in Electronic Trading Technology ...

experience in the Financial Service industry Solid understanding on financial products like Fixed Income securities and expertise on Security Financing Transactions. Experience as senior developer and tech expert in an Applications Development team with good understanding of major programming languages/frameworks like Java/Spring stack … microservice development and a demonstrable understanding of Java internals (JIT, advanced debugging scenarios, JVM memory management etc.) Extensive experience in building applications delivered on cloud-based services. Experience in micro services architecture based application development for high volume. Consistently demonstrates clear and concise written and verbal communication Demonstrable understanding ...

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 (eTrading) and eRisk … technical designs aligned with broader architectural standards. Work effectively alongside external and internal technical teams as required. Develop high‐quality, low‐latency server‐side Java components using industry‐standard patterns. Apply continuous integration practices and automated testing (unit, integration). Conduct comprehensive testing prior to release into UAT. Assist ...

Role: Java/Python Software Developer Location: London (Hybrid) Type: Contract Compensation: Up To £750 P/D The role We're working with a leading global financial organisation looking to hire an experienced Backend Engineer to join a high-performing technology team focused on risk platforms. This … power critical risk data and analytics, working on complex engineering challenges in a fast-paced environment. Responsibilities Design and develop scalable backend applications using Java and/or Python. Build distributed services that support risk data processing and analytics. Collaborate with engineering and business stakeholders to deliver robust technical ...