126 to 150 of 838 Java Engineer Jobs in the UK

Fynity is seeking a Senior Java Engineer to join a FinTech consultancy delivering high-performance, distributed platforms for Tier 1 financial institutions. You will stay hands-on and work with experienced engineers, architects and client teams to build scalable solutions. The role emphasizes deep Java engineering, microservices ...

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 Department About ARQ ARQ is one of the fastest-growing fintechs … 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 ...

goals. The 3 G's of RE: "Get Shit Done." "Get Over Shit." "Give a Shit." We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you're passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities: Design, develop, and optimize low-latency, high ...

JPMorganChase in London is seeking a Sr Lead Software Engineer (Java/Python) to help design, build, and deliver high-performance trading software within Digital Markets Execution Technology. You’ll contribute as a core technical member of an agile team, guiding architecture, coding, testing, and operations to meet ...

Solirius Ltd. is seeking a Senior Java Engineer to join our engineering team in the UK. You will design, develop and maintain scalable Java applications with a focus on cloud-native microservices and modern software practices. AI-enabled capabilities are highly desirable as we explore advanced solutions. ...

Senior Full Stack Engineer | Java/Kotlin + Modern Frontend | Global Travel Tech Hybrid 2-3 days London £90,000 We're hiring a Senior Full Stack Engineer for a world-leading travel technology platform used by millions of people globally. You'll own projects … from backend APIs through to the frontend UI — across a modern Java/Kotlin and JavaScript/TypeScript stack. What you'll do Build and maintain scalable backend services (Java/Kotlin, RESTful APIs, microservices, SQL/NoSQL) Develop responsive, modern frontend applications and collaborate closely with product ...

Senior Full Stack Engineer | Java/Kotlin + Modern Frontend | Global Travel Tech Hybrid 2-3 days London £90,000 We're hiring a Senior Full Stack Engineer for a world-leading travel technology platform used by millions of people globally. You'll own projects … from backend APIs through to the frontend UI — across a modern Java/Kotlin and JavaScript/TypeScript stack. What you'll do Build and maintain scalable backend services (Java/Kotlin, RESTful APIs, microservices, SQL/NoSQL) Develop responsive, modern frontend applications and collaborate closely with product ...

Worldpay (UK) Limited is seeking a Software Engineer - Java to join our Global Payments Team. You will design and develop secure, scalable Java applications for a high-volume payments gateway that processes millions of transactions daily. You’ll collaborate with engineers in the UK and US, perform … code reviews, and contribute to continuous improvement across the SDLC. Proficiency in Java, REST, Spring Boot, SQL/PLSQL, and Oracle is highly valued, with a strong focus on reliability, performance, #J-18808-Ljbffr ...

Software Engineer/Developer (Java API Kafka AWS) London/WFH to 90kAre you a technologist with strong Java backend development skills You could be progressing your career working on a financial Tech for Good product in a hands-on Software Engineer role at a scale … account; enabling relatives, charities, the UN and UNICEF to get money to remote communities where it is needed most using sophisticated technology.As a Software Engineer you will collaborate in defining, building, iterating and testing core products including building new features on the payment platform, gateway API and web portal. ...

Citigroup Inc. in Belfast, United Kingdom is seeking a Senior Software Engineer (Java) to design and develop large, complex distributed systems for the FiTP team. You will contribute to high volume trade capture and processing, with a focus on performance, scalability and reliability. The role requires strong Java ...

offices and a robust customer base across North America, Europe, and Asia Pacific. Overview of the Role We are seeking a Senior/Intermediate Java Engineer to join our R&D team. The role focuses on backend and middleware development using Java 17 and Spring, working across … high-availability system with kdb+ integration and strong security requirements. Key Responsibilities Develop, maintain, and optimise Spring-based web applications and REST APIs using Java 17. Integrate backend services with real-time kdb+ environments. Implement authentication (SAML/LDAP) and secure authorisation (RBAC/ABAC). Participate in distributed ...

Airswift is seeking a Full Stack Java Engineer to support a large-scale application platform hosting 40+ business-critical apps. Based in the Netherlands, the role combines onsite and remote work across a hybrid setup, with a focus on modernising legacy systems using Java/Spring Boot ...

Hunter Bond is seeking a Senior Java Engineer to join a high-impact technology team working on complex, business-critical platforms in the financial services sector. You will design, build, test and deploy robust Java-based applications, working with event-driven architectures and large-scale data using ...

Energy Jobline ZR in Manchester is seeking a Senior Software Engineer (Java/AWS) to build scalable backend services for high-volume transactions. You will work with product teams to shape features from concept to launch and ensure reliability and performance in production. The ideal candidate has deep … Java and Spring Boot experience, strong cloud architecture skills on AWS, and a track record delivering high-scale e-commerce or travel platforms. #J-18808-Ljbffr ...

Ready to take your career global Make your mark at one of the biggest names in payments. We’re looking for Software Engineer - Java to join our ever-evolving WPG team and help shape the future of global commerce. Whilst web development skills are crucial, a background payments … robustness, security, and capacity that can process over 800 transactions every second and exceeding 10 million successful payments every day.Design and develop solutions in Java, SQL, and PLSQL to ecommerce payments gateway as part of a team, in line with:The needs of a high-capacity mission-critical ...

Anson McCade is seeking an experienced Senior Java Engineer to join a specialist payments engineering team delivering large-scale transformation programmes across the banking sector. You will work on enterprise-scale payment processing platforms, modernising critical systems with cloud technologies and modern engineering practices. The role offers … highly flexible remote-working model, exposure to leading financial institutions across Europe, and the opportunity to apply Java, Spring Boot, #J-18808-Ljbffr ...

Manchester Digital is recruiting a Senior Java Engineer for a Manchester-based software consultancy experiencing rapid growth after several client wins in the iGaming sector. You will join a product-oriented team within a large engineering department, owning designs, implementation, deployment, and production support for critical services. Strong … expertise in Java, Spring, AWS, and distributed systems is essential. #J-18808-Ljbffr ...

leading staffing and workforce solutions company is looking for a Java Engineer in Telford, United Kingdom. In this 6-month contract role, you will be responsible for modernizing Java applications and ensuring compliance and risk reduction in a regulated environment. The role demands strong Java ...

Systems, Inc. is seeking a Senior/Intermediate Java Engineer to join its R&D team in a hybrid London/Newry/Belfast role. Focus on backend and middleware development with Java 17 and Spring, integrating with kdb+ in a distributed, high-availability system. The incumbent ...

Deutsche Bank is seeking a Senior Java Engineer for a Front Office/Fixed Income focused role in London. The contract runs for 6 months with hybrid work (in-office three days per week). You will develop and enhance trading systems, implement robust solutions, and contribute … shared codebase with emphasis on performance, scalability, and reliability. The ideal candidate has strong Java backend experience (Spring Boot), solid knowledge of Fixed Income trading workflows, and familiarity with #J-18808-Ljbffr ...

Java Software Developer Public sector client seeking an enthusiastic Java/Microservices engineer to join a growing digital service team, developing functional code for each of the service's quarterly releases. This is a great opportunity to join a growing and important public sector digital service that … months (extension possible) Clearance: BPSS, SC preferred and minimum eligible for SC Sector: Public Sector You'll need: Strong hands-on experience with Java, Spring and Spring Boot Experience with Git, Swagger and SQL Experience with MongoDB, code writing, software testing and application monitoring Kubernetes and Shell experience desirable ...

Java Software Developer Public sector client seeking an enthusiastic Java/Microservices engineer to join a growing digital service team, developing functional code for each of the service's quarterly releases. This is a great opportunity to join a growing and important public sector digital service that … months (extension possible) Clearance: BPSS, SC preferred and minimum eligible for SC Sector: Public Sector You'll need: Strong hands-on experience with Java, Spring and Spring Boot Experience with Git, Swagger and SQL Experience with MongoDB, code writing, software testing and application monitoring Kubernetes and Shell experience desirable ...

Partners seeks an experienced Principal Java Engineer to join a high-performing team tackling low-latency, high-throughput payment systems. Hybrid role in the UK with modern tech stack and real-time services. You will own design decisions, mentor peers, and drive performance and observability enhancements across services. … ideal candidate has 10+ years in Java, SpringBoot, microservices, and cloud deployments (OpenShift/Kubernetes, AWS). #J-18808-Ljbffr ...

Experis is seeking a Java Engineer to join a major digital transformation programme in a large-scale technology environment. The role is based in Telford with a minimum of 2 days on-site per week, offering a daily rate of £600.00–£620.00 inside IR35 for a 6-month … duration. The successful candidate will develop and maintain Java applications, design scalable Spring Boot services, and work within an Agile Scrum team to deliver modernised legacy systems. #J-18808-Ljbffr ...

Citigroup Inc. in Belfast, United Kingdom, is seeking a Senior Software Engineer (Java) to design and evolve large, distributed systems for the FiTP team. The role focuses on high-volume trade capture and processing with a strong emphasis on low latency and multi-threaded Java applications. ...