1 to 25 of 45 Java Engineer Jobs in London

Principal Java Engineer (AWS/Microservices) Salary: Up to £105,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Type: Permanent A globally established organisation is seeking an experienced Principal Java Engineer to shape the future of large-scale digital platforms used by millions of customers. This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer ...

Principle Java Engineer Salary to £70k-£90k + company options scheme Hybrid working (1 day per week in their London Vauxhall offices) NB: Please only apply if you have resided in the UK for the past 5 years and are prepared to go through UK SC Security Clearance … Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for an experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

Principle Java Engineer Salary to £70k-£90k* + company options scheme (*for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers … Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for an experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

Java Engineer(s) - Multiple Levels Salary from £40k (Mid) to £90k (Snr) + Company Options Scheme Fully remote working available for the right candidates (hybrid working between your home, their offices (London Vauxhall) & client sites would be preferred but isnt essential). NB: Please only apply … from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for Java Engineers to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector ...

Junior Software Engineer (Java/Kotlin/JVM) Contract Overview Role: Junior Software Engineer (Java/Kotlin/JVM) Location: Victoria, London Length: 12 months Start: ASAP Rate: £200 per day Status: Inside IR35 Pattern: Hybrid working About the Role I'm currently recruiting … Junior Software Engineer to join a digital product team working across modern financial services technology. This role would suit someone with a few years' commercial software engineering experience, particularly across Java, Kotlin and JVM-based backend development. The successful candidate will be working on modern applications and services ...

Senior Java Engineer - FX eTrading** (Contract) Duration: 12 Months (Possibility for extension) Location: London/Hybrid (4 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile As a Senior Java Engineer, you will play a pivotal … into robust technical designs. Write clear specifications and implementation plans. Skills & Experience: Professional Experience: Strong background in software engineering with deep expertise in Core Java, multithreading/concurrency, and performance tuning. Low Latency Expertise: Proven experience in low latency design and patterns that enhance trading performance. Distributed Systems: Experience ...

Global technology & software product company operating in the observability and monitoring space, is looking for a Senior Java Engineer to join their Platform Team in London . You'll help build the distributed services that sit at the core of their product, ingesting and transforming data at scale … Software Engineers, who value technical coding ability, ownership & delivery - no client work, no consultancy, no "Project management" of software - just pure, coding ability with Java, Data & complex, distributed global software systems required! Location: London (Old Street/Shoreditch). Salary: £120,000 to £125,000 basic, plus an extensive ...

Application Engineer (Java/Python | Wealth Management) Location: London Centre 1 day a week Salary: £90,000 + 10 percent Bonus + Outstanding Benefits Build Innovative Technology for a Leading Wealth Management Firm Our client, a highly respected UK wealth management organisation, is looking for a talented Application … Engineer with strong Java and/or Python development experience to join its technology team. This role is ideal for someone who enjoys delivering scalable business-critical applications, working closely with stakeholders and leveraging technology to enhance adviser and client experiences within a wealth management environment. The Role ...

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers ...

Java Full Stack Engineer - Senior Consultant Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Manchester or Glasgow Overview We're looking … Java Full Stack Engineer with strong backend and frontend development experience to join a team delivering innovative digital solutions for enterprise clients. You'll work on digital transformation programmes, designing and delivering modern cloud-native applications that solve real business challenges. Working alongside architects, engineers and stakeholders ...

role of Java Software Engineer involves designing, developing, and maintaining robust Java-based applications. This position is ideal for those with a strong technical background and a passion for delivering high-quality solutions within the business services industry. Client Details The hiring organisation is a well-established … medium-sized company, they focus on delivering innovative technology solutions to their clients, ensuring efficiency and excellence in every project. Description Develop and maintain Java-based software applications to meet client requirements. Collaborate with cross-functional teams to design and implement efficient technical solutions. Perform code reviews to ensure ...

Senior Java & Kotlin Backend Engineer Location: London (Hybrid - Wednesday office attendance required) Contract: Initial 2 months IR35: Outside IR35 Start Date: ASAP The Role We're working with a leading technology organisation seeking an experienced Senior Java & Kotlin Backend Engineer to join their engineering team … develop and deliver high-quality backend solutions that are secure, reliable and built for scale. Key Responsibilities Design, develop and maintain backend services using Java and Kotlin. Build and enhance RESTful APIs within a microservices architecture. Develop secure, scalable and high-performance applications. Collaborate with Product Managers, Engineers ...

/Senior Backend Engineer (Java) | Remote About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 75+ … they bring sharp thinking, speed, and a focus on meaningful impact to everything they do. We’re looking for a Mid/Senior Backend Engineer to join a team that keeps frameworks lean and focuses on what matters: clean, maintainable code, shipped fast with TDD, DDD, and continuous integration ...

Java, Low-Latency, Multi-threading, AI, Transformation, Algo CORE BANKING, TRADING SYSTEMS or HIGH TRANSACTIONAL SYSTEMS EXPERIENCE ESSENTIAL Join a newly formed Service Modernisation & AI team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered … engineering workflows. What You’ll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers ...

Java Full Stack Engineer - Consultant Salary: £45,000 - £55,000 plus benefits, perks, and healthcare options! Job type: Permanent Hybrid (1-2 days per week) Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Manchester or Glasgow Overview: We're looking … Java Full Stack Engineer with strong backend and frontend development experience to join a team click apply for full job details ...

Java Full Stack Engineer - Senior Consultant Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent Hybrid (1-2 days per week) Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Manchester or Glasgow Overview We're looking … Java Full Stack Engineer with strong backend and frontend development experience to join click apply for full job details ...

Senior Java & Kotlin Backend Engineer Location: London (Hybrid - Wednesday office attendance required) Contract: Initial 2 months IR35: Outside IR35 Start Date: ASAP The Role We're working with a leading technology organisation seeking an experienced Senior Java & Kotlin Backend Engineer to join their engineering team ...

Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer ...

Staff Engineer - Java 17 London, UK (Hybrid) Permanent Up to £85,000 + benefits About the Role This is a chance to join a global technology leader, working alongside one of the UK's most recognisable retail brand, on a large-scale transformation of its digital and engineering … systems that operate at enterprise scale, with a real focus on innovation, resilience, and customer impact. What you'll be doing As a Staff Engineer, this is more than a senior coding role, you'll act as a technical authority, combining deep hands-on delivery with architecture ownership ...

Java Electronic Trading Engineer Morgan McKinley has partnered with a premier global leader in digital assets and data center infrastructure. Operating at the intersection of institutional finance and cutting-edge technology, our client delivers next-generation products across trading, asset management, and high-performance computing. They blend deep … traditional institutional experience and are looking for elite engineering talent to join their London trading technology team. The Role: As a Vice President and Java Electronic Trading Engineer, you will design and build the next generation of server-side crypto trading systems. This is a high-visibility, high ...

Senior Backend Engineer (.NET/Java Microservices) Contract: Inside IR35 Duration: 6 Months+ Hybrid - 2 days per week on site in London We're seeking a Senior Backend Engineer to design, build and enhance scalable backend services and APIs within a complex enterprise environment. You'll play … delivering modern microservices while contributing to technical design and engineering best practice. Key Responsibilities Design and develop backend services using C#/.NET and Java (Spring Boot) . Build and support REST APIs and microservices. Contribute to architecture, technical design and system integration. Troubleshoot, optimise and support production systems. ...

Java Electronic Trading Engineer – Front office London – Hybrid Java, Low Latency, FIX, SBE, Aeron, Linux, Docker, Kubernetes, AWS The company This is an unmissable opportunity for an experienced Java Electronic Trading Engineer to join one of the leading institutional digital asset firms in the market. … digital assets. What you will do Build the next generation of low-latency crypto trading systems from the ground up. Develop core server-side Java components across order management, market connectivity, low latency messaging and price distribution. Work deep in the stack — performance profiling, optimisation and tuning under live ...

Principal Engineer (Payments) Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer who has strong hands on capabilites in Java (17/21) & payment product experience who can contribute to Real Time architectural decision making leading vision & strategy across Faster Payments … bonus + benefits to be based in London, Chatham (Kent) or Wolverhampton onsite 2 days per week. Our client is seeking experienced Principal Engineer with recent retail/digital banking experience who is happy to be hands on (80%) and 20% architectural leadership by leading through example. Your responsibilities ...

Principal Engineer (Payments) Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer who has strong hands on capabilites in Java (17/21) & payment product experience who can contribute to real-time architectural decision making leading vision & strategy across Faster Payments … bonus + benefits to be based in London, Chatham (Kent) or Wolverhampton onsite 2 days per week. Our client is seeking experienced Principal Engineer with recent retail/digital banking experience who is happy to be hands on (80%) and 20% architectural leadership by leading through example. Your responsibilities ...

Java Software Engineer - Systematic Trading London | £120,000-£160,000 + bonus Java, Trading Execution, Python The Role This is a hands‐on Java engineering role sitting close to the trading desk, focused on the evolution of a proprietary execution platform used in live markets. … platform design, including scalability and system architecture decisions Supporting production systems, including involvement in a rota once up to speed What You Bring Strong Java engineering background, with solid experience building high‐performance systems Exposure to electronic trading environments, ideally with a focus on execution Understanding of any cash ...