1 to 25 of 37 Java Developer Jobs in London

Senior Java Developer

Hiring Organisation
SF Partners
Location
London, Cremorne, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum remote working & great progression
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 ...

Senior Quant Developer - Java - Digital Assets

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 150,000 - 160,000 Annual
Senior Quant Developer - Java - Digital Assets Excellent opportunity opens for a Senior Quant Developer to join a Global Crypto Trading Firm. Sitting between Quantitative Research, Trading and production engineering, you will build and enhance quantitative pricing technology. You will take ownership of the mathematical design and Java … pricing, liquidity and hedging models. The role Design and implement quantitative pricing models for institutional OTC trading Build high-performance production services using modern Java, including Java 21 or 22 Develop client-specific pricing, spreads, skews and liquidity models Analyse client flow, execution behaviour, toxicity and price decay ...

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 31 July 2026 Job Description Your Role: Java Developer - Digital Out of Home Are you a Java Developer looking to be part of a team building cutting-edge, event … driven systems that power millions of digital advertising moments every day? As a Java Developer within our Digital Out of Home (DOOH) team, you'll help develop the programmatic advertising platform that powers all digital assets across Global's outdoor estate - from large roadside signs to the Transport ...

Senior Java Developer

Hiring Organisation
Arc IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior Java Developer - Java/Spring/AWS - Remote - £60,000 - HealthTech/Tech for Good Senior Software Developer required for a HealthTech, tech-for-good business delivering software that supports patient care and rehabilitation across the healthcare sector. Salary: £60,000 Location: Remote (UK) Great … benefits included This is a hands-on senior developer role, not purely architectural. You will design, build and maintain features on a live SaaS platform, working closely with product and clinical teams in a regulated healthcare environment. It's a genuine opportunity to work on technology with real, measurable ...

Java 17 Developer (Investment Banking, Kafka)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Java Developer - Investment Banking (Contract) Location: London (Hybrid) Contract Length: 6 Months Day Rate: Competitive Start Date: ASAP Overview We are partnering with a leading investment bank looking to onboard an experienced Java Developer to join a front office trading technology team on an initial … Linux-based environment Collaborate within Agile teams, contributing to design, code reviews, and best practices Required Skills & Experience Strong hands-on experience with Java (Java 17 preferred) Proven background in investment banking or capital markets Solid experience with trade processing systems Exposure to or direct experience with Trade ...

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 7 August 2026 Job Description Your Role: Java Developer The Commercial Technology team develop and maintain the products that drive the commercial revenues at Global for both the Radio and Outdoor … parts of the business. In this role, you will work closely with a suite of microservices developed using Java 17+ (mostly Java 21) and Spring Boot, of which some will be event-driven. You will contribute towards the technical lifecycle of these services, including the CI/ ...

Backend Java Developer

Hiring Organisation
Damia Group Ltd
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Backend Java Developer - Circa £540 per day inside ir35 - Remote with occasional travel to Croydon - 3-6 months Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. My client is a global leading consultancy. They … hunt for a Java Developer to join a central government client of theirs. Experience of Java: Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. Experience of containerisation using Docker or Kubernetes Experience of Continuous ...

Credit Risk Java Developer (Front Office)

Hiring Organisation
Gravitas Recruitment Group Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 90,000 Annual
Java Developer - Front Office Risk Technology London | Hybrid | Financial Services We're partnering with a leading financial services firm seeking a Java Developer with 2-5 years' experience to join their Front Office Risk Technology team. This is an excellent opportunity for a developer … development, enhancement and support of risk platforms, working on high-impact systems that support key business decisions. What We're Looking For Strong commercial Java development experience (2-5 years). Hands-on experience with Java and Spring Boot . Experience within financial services, banking, trading or capital ...

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 31 July 2026 Job Description Java Developer Reporting of the Role This role reports to Senior Java Developer Overview We are in search of a backend engineer with … direct and programmatic campaign lifecycle management, from booking to fulfilment, tracking and reporting. You'll work within a talented agile team working with modern Java micro-services (Java 21, Spring Boot), deployed on Kubernetes (EKS on AWS), with CI/CD pipelines using Jenkins and Terraform, and observability ...

Backend Java Developer

Hiring Organisation
Damia Group Ltd
Location
South Croydon, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 600 Daily
Backend Java Developer - Circa £540 per day inside ir35 - Remote with occasional travel to Croydon - 3-6 months Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. My client is a global leading consultancy. They … hunt for a Java Developer to join a central government client of theirs click apply for full job details ...

Senior Java developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
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 ...

Senior FX e Trading Java Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£843 - £1,000 per day
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 ...

Senior Java Developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £850/day Inside IR35
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

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Java Backend Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £900 per day
Senior Backend Developer | Java | Spring Boot | Hybrid| Contract Role Location: London (Hybrid) 3 days per week in office. Salary: Competitive + Benefits Contract Length: 12 month rolling We're working with a leading global organisation looking to hire a Senior Backend Developer to join a high-performing … engineering team. This is an opportunity to work on large-scale, enterprise-grade backend platforms, helping to shape technical architecture while building robust, scalable Java applications. What You'll Do Design and develop backend applications using Java and Spring Boot Build and enhance scalable microservices and REST APIs ...

Front Office Java Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Sr. Java Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
# Sr. Java DeveloperDeveloperLondonAugust 20, 202588400 - 98700/monthFull TimeApplication ends: **May 12, 2026**Apply Now### Job DescriptionA Sr. Java Developer is responsible for designing, developing, and maintaining high-quality Java applications. They collaborate with cross-functional teams to deliver scalable and efficient solutions, troubleshoot complex … capabilities, and staying updated with emerging technologies are essential for driving innovation and ensuring seamless application performance.### Key Responsibilities* Design, develop, and implement complex Java-based software solutions effectively.* Collaborate with team members to define project requirements accurately.* Optimize application performance for scalability, security, and efficiency consistently.* Troubleshoot ...

Backend Java Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £565/day
Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC) Location: London, Croydon (Remote, with occasional, infrequent office days) Job Description: Experience of Java Experience ...

Backend Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £530/day
Backend Java Developer + 6 month initial contrac+t + Fully remote - occasional office visit + SC Cleared + £530 per day Inside IR35 Key Skills: + Spring Framework + Docker/Kubernetes + SC Cleared Java Software Engineer We are looking for a skilled Java Software … Engineer to join our development team and help build high-quality, scalable applications. Key Skills & Experience: Strong commercial experience with Java development. Hands-on experience with the Spring Framework (or equivalent enterprise frameworks). Solid understanding of software design patterns and the ability to apply them appropriately. Excellent knowledge ...

Software Developer (Java / Oracle) - SC Cleared

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 ...

Full Stack Java Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£40,000 per annum, Negotiable, Pro-rata, Inc benefits
About The Role FDM is a global business and technology consultancy seeking a Full Stack Java Developer to work for our client within the Fintech sector. This is initially a 6 month contract with the potential to extend and will be a hybrid role that will be based … London. Our client is seeking to onboard a Java engineer with predominantly full stack experience and a desire to join an established agile squad, to deliver new requirements and fixes for client projects. This individual will take on complex stories required for implementing the international Processing Engine (IPE) application ...

Senior Java Developer: Lead & Scale High-Performance Apps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in Java, Spring, Hibernate ...

Java Developer - Equity derivatives- Hedge Fund in London - Quant Capital

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
html Java Python Developer – Equity derivs Hedge Fund £200,000 Job Description Quant Capital is urgently looking for a Java Python Developer to join our high profile client in their main development team. Our client is one of the largest Quant Investment managers globally, with around... … technology and the possibility of making serious money doing something you are passionate about. My client is based in London. Skills Needed Java, C++, Erlang, F#, Scala , Haskell, Django, Python, Twisted, NoSQL, Data Science... ``` #J-18808-Ljbffr ...

Principal Risk Java developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£900 - £950/day Up to £925pd Umbrella
currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space. What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Risk ...

Greenfield Front Office Java Developer – Hybrid London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...