22 of 22 Java Software Engineer Jobs in London

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer … tooling. You’ll work closely with UX specialists, hardware teams, and software engineers to build polished internal tools that power advanced hardware configuration and tuning workflows. You will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience ...

Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £50k Are you a 'mathematically minded' Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems? You could be joining a global geoscience technology company within … exploration. As a Software Engineer you'll join a supportive Agile team responsible for the company's highly complex web based data management platform/client portal. You'll gain exposure to the full software development lifecycle working on new features and enhancements as well as maintaining ...

Backend Software Engineer/Developer (Kotlin Java Spring Boot) London/WFH to £80k Are you a backend focused technologist with real-time financial systems experience? You could be progressing your career as a Backend Software Engineer at a highly successful financial software house … whose award winning software enables customers to build high-performance web trading apps that deliver real-time information securely and reliably. What's in it for you: Salary to £80k Pension, Income Protection, Life Assurance Private medical and dental care Gym membership Childcare vouchers, cycle to work scheme, season ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered … Hybrid remote basis requiring 1/2 days per week of onsite work in Swindon or London. Key Requirements Strong commercial experience with Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful ...

Java Software Developer – Sports betting Hedge fund startup - London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* A couple of Java Software Developers are required for an exciting and innovative Sports betting hedge fund startup based in London. … fields. Essential Skills Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field 5+ years of professional experience in Java development Proficiency in Python or PHP, with exposure to DevOps practices and Linux environments Experience integrating with RESTful and streaming APIs Familiarity with cloud ...

Senior Java Engineer (Core Java) £115,000 - £145,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some … throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer-centric solutions Mentor and be mentored within ...

Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £50k Are you a 'mathematically minded' Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems? You could be joining a global geoscience technology company within ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including ...

Backend Software Engineer/Developer (Kotlin Java Spring Boot) London/WFH to £80k Are you a backend focused technologist with real-time financial systems experience? You could be progressing your career as a Backend Software Engineer at a highly successful financial software house … whose award winning software enables customers to build high-performance web trading apps that deliver real-time info click apply for full job details ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry … leading staff tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business ...

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. … work in multidisciplinary teams delivering secure, reliable and scalable systems. The role is hands-on and focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. ...

Location: London (Hybrid) Salary: Up to £95,000 + bonus + benefits Permanent A leading Tier 1 investment bank is hiring a Java Software Engineer to join a front-office aligned Equities Risk technology team in London. This is a high-impact role focused on building … with a strong focus on: Improving latency, performance, and platform efficiency Building event-driven, distributed systems handling large volumes of market data Developing containerised Java services within a modern cloud-native stack Working in a front-office environment with direct business exposure This is an ideal opportunity ...

Role: Software Engineer (Java) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: Java as a main language This firm is an elite fintech company with exceptionally high standards, renowned for building cutting ...

Location: London (Hybrid) Salary: Up to £95,000 + bonus + benefits Permanent A leading Tier 1 investment bank is hiring a Java Software Engineer to join a front-office aligned Equities Risk technology team in London. This is a high-impact role focused on building ...

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement click apply ...

Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside ...

Senior Java Engineers — Contract - (Financial Services/Investment Management) Location: London (Hybrid – Ideally 2 Days Per Week) Engagement Type: Contract IR35 Status: Outside IR35 Day Rate: £600 - £700 Per Day (Monthly Pay) Our client is a leading UK investment management platform currently undertaking a major back-office transformation programme. … stage will be working on technically complex integration and platform problems with real impact across the business. Role Overview We are seeking multiple Senior Java Engineers to join the programme engineering team. You will be responsible for designing and delivering robust, high-performance Java services that integrate with ...

Java Full Stack Engineer | Consultancy (Public Sector Clients) | Up to £60k DOE Our client is a fast-growing technical consultancy known for delivering bespoke software engineering on complex, high-impact programmes across the UK public sector. Their culture is flat, collaborative, and delivery-focused. Engineers are trusted … genuinely matters. You’ll join an agile, client-embedded team delivering modern, scalable systems. Your work will include: Designing and building backend services using Java (12+) and Spring Boot Contributing to front-end development (ideally Angular, though React is welcome) Working across the full SDLC: requirements, build, test, deploy ...

Overview We are seeking a Senior Java Developer to join a regulated banking environment in London. You will work on cloud-native services using a modern Java stack, contributing to secure, resilient platforms that support critical banking products. Key Details Location: London, Greater London, United Kingdom Rate … Contract: Minimum 6 months, high potential to extend Work pattern: 2 days per week, onsite Responsibilities Design, build and maintain Java microservices and APIs using Spring Boot. Own delivery end-to-end: requirements clarification, implementation, testing, deployment and support. Improve engineering practices, code quality, observability and operational resilience. Work ...

Senior/Lead Backend Engineers - Greenfield Fintech Location: London Salary: £95,000 - £140,000 + bonus Would you like to take your software engineering career to the next level and be part of something truly special? If the answer is yes, then please read on. Our client is expanding … cloud-native systems using modern engineering practices. The environment is data-driven, product-focused, and centred around delivering real value to customers. Tech environment Java/Kotlin (JVM ecosystem) Microservices architecture Cloud-native (AWS/GCP) Spring/Spring Boot Docker & Kubernetes Messaging & streaming technologies Distributed tracing and observability ...

Software Engineers - Java/AWS (Mid to Lead Level) Location: London Type: Permanent Working Pattern: 4xFlex, 37.5 hours per week We are currently working with a client in the Aerospace & Defence sector who are expanding their London-based team and are looking to hire Software Engineers (Java … currently hold this, support will be provided throughout the application process. The Role: You will work under the guidance of a Software Engineering Lead or, at senior level, take on additional responsibility for technical delivery and supporting wider engineering activities. You may specialise in a particular area or work ...

Leading institutional crypto trading firm who are growing their team in London and are looking for a new Java developer to work on stablecoins. The role covers from architecture to low-level development and is a unique opportunity to make an impact in a business that is projected … main player in the space. Requirements: 8+ years of hands-on experience developing in trading systems using Java Prior experience with Crypto is a requirement Strong preference for prior stablecoins experience Salary depends on experience. ...