76 to 100 of 297 Senior Java Engineer Jobs

Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. This role is within the FiTP team in Belfast, United Kingdom. The successful individual will ideally have a good … expectations or requirements Experience required Solid understanding of software development fundamentals including data structures, design patterns and object‐orientated programming. Proficiency in core Java demonstrable success in developing multi‐threaded applications and expert level knowledge in data structures, algorithms, collections, and error handling. Spring Framework (and Spring Boot): This ...

Citigroup Inc. is seeking a Senior Software Engineer (Java or Python) to help shape next‐gen financial software. You will engage in full‐stack development, leverage Spring Boot/Core and Flask/FastAPI, and build cloud‐native solutions with modern JS frameworks. You will also explore ...

Senior Full-Stack Software Engineer (Java & React/Javascript/Angular)****Would you like to help create products to support the sharing of scientific knowledge?****Do you enjoy collaborating to solve complex technical problems?****About the team:**Our dynamic Agile Teams deliver the technology which facilitates researchers … publish quality scientific research. As a Software Engineer, you will build capabilities to improve the quality of scientific research.**About the role:**As a Senior II Software Engineer, you will build capabilities to support scientific researchers through the process of submitting the research for publication. ...

Great Place to Work-CertifiedTM company and has won Best Workplaces UK multiple years in a row. We're looking for an experienced Senior Fullstack Engineer who is passionate about building scalable, high-quality software and helping teams grow. This is more than a hands-on engineering role … delivering software that makes a real business impact. What You'll Do Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem, alongside rich, responsive frontends built with React. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned ...

Great Place to Work-CertifiedTM company and has won Best Workplaces UK multiple years in a row. We're looking for an experienced Senior Fullstack Engineer who is passionate about building scalable, high-quality software and helping teams grow. This is more than a hands-on engineering role … delivering software that makes a real business impact. What You'll Do Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem, alongside rich, responsive frontends built with React. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned ...

Great Place to Work-CertifiedTM company and has won Best Workplaces UK multiple years in a row. We're looking for an experienced Senior Fullstack Engineer who is passionate about building scalable, high-quality software and helping teams grow. This is more than a hands-on engineering role … delivering software that makes a real business impact. What You'll Do Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem, alongside rich, responsive frontends built with React. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned ...

Great Place to Work-CertifiedTM company and has won Best Workplaces UK multiple years in a row. We're looking for an experienced Senior Fullstack Engineer who is passionate about building scalable, high-quality software and helping teams grow. This is more than a hands-on engineering role … delivering software that makes a real business impact. What You'll Do Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem, alongside rich, responsive frontends built with React. Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned ...

Citigroup Inc. is seeking a Senior Java Developer to lead large-scale application initiatives within the Derivatives Credit Risk Technology Team. You will contribute across the full software development lifecycle, from concept through design, development, testing and deployment, acting as a senior individual contributor with potential … leadership. You will apply core Java, Spring, and modern cloud-based tooling to build robust risk management software, collaborate with a global team, and #J-18808-Ljbffr ...

Opus Recruitment Solutions Limited in Newcastle upon Tyne is seeking Senior Java Engineers to design and deliver large-scale Java solutions within a hybrid, 12-month FTC. You will own technical delivery, mentor engineers and contribute to enterprise digital transformation. Responsibilities include leading workstreams, building Spring Boot ...

London Metal Exchange Limited is seeking a Senior Engineer to advance LMEsmart—our Inter-Office Trading platform. You will engineer resilient integrations and workflows, automate test tooling, and drive real-time performance insights across trading operations. You will work with Java (JVM), cloud environments, Kafka ...

Autotrader is seeking a Senior Software Engineer (Backend) in Manchester. You will contribute to a scalable platform powering automotive data, using Spring Boot, RESTful services, and Kafka-driven event processing. The role emphasizes collaboration, code reviews, and pairing in a hybrid work model. We value senior Java ...

Bullish, Inc. is seeking a Senior Engineer for Trading Product Engineering in London. You will design and deliver low-latency Java code powering the Bullish Exchange, working across a hybrid architecture that blends a Central Limit Order Book with proprietary market making. You will optimize performance, expand ...

KAYAK is seeking a Senior Java Software Engineer to join the Retention and CRM team. Design and deliver scalable backend services powering Trips and large-scale email/push notifications. You will collaborate with product, marketing, and distributed engineering teams to build high-impact experiences. The role … requires 5+ years of backend experience, strong Java skills, and expertise with RESTful APIs and SQL databases such as MySQL. #J-18808-Ljbffr ...

looking for an experienced and motivatedSenior Java Engineer to join our team as we approach our next exciting period of growth. This exciting new role will contribute to our product development, taking responsibility for specific areas of functionality within our product suite, and being the driver of design … support both internally, and externally. Mentor junior engineers asrequired. Essential skills & experience We see experience with the following as essential to the job: Strong Java experience and knowledge, with a minimum of 5 years’ experience in a professional environment. Experience with development and debugging of high-quality code ...

Oliver Bernard is seeking an experienced Senior Java Developer to join a high-performing technology team on a 12-month contract in London. The role focuses on designing, developing and delivering high-quality Java applications within a complex, enterprise-scale environment. You will work with engineers, architects ...

Virtual Hire Staffing is seeking a Mid/Senior Java Web Engineer for a leading global financial markets infrastructure client in London. The role involves hands-on work across backend services and web UI, delivering a modular end-to-end trade management platform in collaboration with architects … frontend developers. Requirements include strong Java with Spring Boot, REST APIs, React knowledge, SQL/PostgreSQL, Git, and Maven/Gradle; 4–8+ years of experience; and an Agile, Linux/Unix #J-18808-Ljbffr ...

Applause IT Limited in the United Kingdom is seeking a Senior Java Developer to join a collaborative engineering team delivering scalable enterprise software within a regulated environment. This role combines hands-on Java development with technical leadership, mentoring, and continuous improvement. The successful candidate will work ...

Parser Limited in London is seeking a Senior Backend Engineer (Java) to lead the design, development, and support of mission-critical banking services in a multi-cloud environment. You will own distributed systems and microservices, build RESTful APIs, and ensure robust testing, CI/CD, and production ...

Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices … optimize application and integration performance. SKILLS Must have Core Engineering 8+ years of software engineering experience, ideally within Financial Services. Strong expertise in Java, Spring Boot, REST APIs, and distributed systems. Experience with Kafka, IBM MQ, or similar messaging technologies. Strong integration experience with Loan IQ, lending, banking ...

leading global financial services firm based in Greater London is seeking a Senior Java Developer to deliver low-latency trading system components. The ideal candidate will have expertise in Java and experience with distributed systems, cloud environments like AWS, and trading flows. This role emphasizes collaboration across ...

IntaPeople Limited in Cardiff is scaling a Product Engineering team and seeking a Senior Java Engineer. You will deliver features, mentor juniors, and turn technical direction into working software. The role involves designing complex solutions with Java Spring Boot on the backend, React/TypeScript ...

ITRS Group is seeking a Senior Java Software Engineer in London to join the Platform Team. You will work on a core platform of distributed services that ingest and transform observability data for visualisation, analytics and integrations. This is a permanent, full-time role with a hybrid ...

HKEX Group in London seeks a Senior Engineer to advance the LMEsmart platform. You will design high-throughput, low-latency inter-office integrations, automate test tooling, and drive real-time performance insights for governance and market oversight. You will work in a cloud-enabled environment, employing Java ...

ICAP Group Services Ltd is seeking a Senior Java Developer based in the City Of London. The role involves designing and implementing low-latency trading system components while collaborating with diverse teams to ensure optimal performance and stability. Candidates should have substantial experience in Java, familiarity with ...

Cognizant is seeking a highly technical, hands-on Senior Java Web Engineer to join an engineering team building enterprise-scale applications. You will maintain and enhance backend services and web interfaces while contributing to modern digital platforms and UI components. In a collaborative Agile environment, you will ...