51 to 75 of 164 Java Engineer Jobs in the UK

Salt Digital Recruitment is seeking a Senior Java Engineer for a major banking client in London. This 12-month freelance role offers a daily rate between £550 - £750, with a mandatory in-office presence 8 days per month. The ideal candidate will have solid experience in core Java ...

raised capital from some of the world’s best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures. Senior Software Engineer (Java) Location London Employment Type Full time Location Type Hybrid About ARQ ARQ is one of the fastest‐growing fintechs in the world. … chance to grow fast with a world‐class team, ARQ is the place to do it. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high‐performing backend systems that power our innovative products. You’ll collaborate with a talented ...

GlobalLogic is seeking a Senior Java Engineer to design, develop and maintain high-performance, scalable applications within a distributed microservices ecosystem. You will work across Java/JEE, Spring, REST/gRPC APIs, and cloud platforms (AWS/Azure/GCP), mentor engineers, participate in code reviews ...

Salt Digital Recruitment is seeking a Senior Java Engineer to join a hybrid team in Greater London. The role demands expertise in Java and AWS, with a daily rate of £500 to £700 depending on experience. The ideal candidate will contribute to cloud-native architecture ...

Salt Digital Recruitment is seeking a Senior Java Engineer for a contract role based in London/Hybrid. You will work as part of an Agile team to migrate a legacy application to a new event-based architecture, handling server-side deployment effectively. The ideal candidate has strong … core Java expertise and experience with SpringBoot, Docker, and Kubernetes. This position requires strong communication skills and the ability to motivate and mentor junior staff. The daily rate is €600 - €700, with a duration of 12 months. #J-18808-Ljbffr ...

United States Digital Space LLC is seeking a talented Senior Lead Java Engineer to join the SwapClear Interfaces team within the SwapClear Technology function. You will design, build, and maintain Java-based applications essential to SwapClear Clearing operations. In a Scrum/Agile environment, you will lead ...

raised capital from some of the world’s best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures. Software Engineer (Java) Location London Employment Type Full time Location Type Hybrid Department About ARQ ARQ is one of the fastest-growing fintechs in the world. … chance to grow fast with a world-class team, ARQ is the place to do it. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented ...

HelloKindred is seeking a Java Engineer to support and enhance internal applications within a Tax Administration environment. The role focuses on maintaining live services, supporting batch processing, and delivering controlled changes in a hybrid setup with 2 days in the office in Telford. Responsibilities include enterprise Java ...

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 ...

Involved Solutions is seeking a Principal Java Engineer in London or Coventry to drive engineering excellence across large-scale digital platforms. This hybrid role, requiring 40 hours per week, focuses on leading technical direction and ensuring high availability across cloud-native systems. The ideal candidate will have deep … expertise in Java, AWS, and experience in managing diverse teams. This position offers an exciting opportunity to influence technology and drive impactful engineering practices. #J-18808-Ljbffr ...

understand and align with Solirius Reply Values. The Role: This is an exciting opportunity to join our Software Engineering Practice as a Full Stack Engineer, to work alongside our team and help build out the capability. Requirements Key Responsibilities: Working across the full lifecycle from requirement gathering and design … terms of specific languages you should have commercial experience in some or all of the following; Substantial experience as a hands- on Full Stack Engineer Java 7/8 to current Applied knowledge of front end frameworks (Angular, React, other similar) Spring framework ...

seeking a Principal Java Engineer to provide technical leadership for its core SaaS platform. Reporting to the CTO, you will own technical direction, architecture and engineering standards, without direct line management. You will collaborate with Product, Data, Operations, DevOps and QA to deliver secure, resilient, and scalable solutions ...

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 ...

Hybrid (2 days per week in office) Clearance required: BPSS Our client in the Information Technology and Services industry is looking for a Java Engineer to support and enhance Internal Applications within the Tax Administration environment. This role focuses on maintaining live services, supporting batch processing, and delivering … controlled change across a complex enterprise landscape. The successful candidate will bring strong enterprise Java development expertise while balancing business-as-usual support with continuous improvement initiatives in a collaborative hybrid working environment. Responsibilities Develop and support enterprise Java applications within the Tax Administration environment. Maintain live services ...

behalf of Deutsche Bank, is seeking a Senior Java Engineer for a 6-month contract located in the bank’s office with a hybrid model (3 days in the office, 2 from home). The role focuses on designing, building and hardening services that extract, parse, validate, enrich … distribute deal data, PV/Risk and static data into CPT platforms and downstream consumers, with emphasis on scalable, production-ready Java services. #J-18808-Ljbffr ...

Hunter Bond is seeking a Java Engineer in London to join a fintech technology company that is rapidly scaling. You will design and develop systems for high-performance data distribution and work on solving complex challenges in distributed systems. This position offers the chance to work on scalable … backend systems that handle vast volumes of data in real time, focusing on performance, resilience, and innovation. The ideal candidate will have strong Java development skills and a passion for working on technically challenging projects. #J-18808-Ljbffr ...

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 ...

Group GTI in Wallingford, UK, is seeking a Principal Java Engineer to provide technical leadership for their core SaaS platform. You will own architecture, set engineering standards and mentor teams, collaborating with Product, Data, Ops and QA to deliver secure, scalable solutions. The role emphasizes driving performance, security ...

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 Full Stack Engineer About the Role Join a growing digital transformation and technology consultancy that delivers innovative solutions to a diverse range of organisations. Working as part of a collaborative, multidisciplinary team, you will help design and build modern digital products that solve complex business challenges … teams, collaborating across disciplines to drive successful project outcomes Support continuous improvement through best practices, automation and knowledge sharing Technologies You May Work With Java Spring Boot Node.js Kotlin React RESTful microservices NoSQL databases Cloud platforms including AWS and Azure Skills and Experience Essential Extensive experience building microservices using ...

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 ...

public sector. We specialise in helping organisations achieve digital transformation at pace while maintaining the highest security and governance standards. We are seeking a Java Engineer to join a delivery team building and enhancing cloud-native backend services within a modern enterprise environment. Role Overview The successful candidate … will contribute to the design, development, and support of Java-based applications using Spring Boot and AWS , working as part of an Agile, multidisciplinary team. Alongside strong backend engineering skills, the role requires practical SQL and reporting capability, enabling engineers to interrogate data and support business reporting requirements. This ...

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. ...

seeking a Senior Software Engineer (Java/AWS) for a 12-month Inside IR35 contract. The role is hybrid in Manchester, Leeds, Newcastle, Blackpool or Sheffield, working within an Agile team to modernise a critical Attendance Allowance service. The successful candidate will lead design decisions, build cloud-based … solutions on AWS, and coach engineers while delivering secure, scalable services. Strong Java and cloud experience are essential, with a focus on microservices and DevOps practices. #J-18808-Ljbffr ...

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 ...