14 of 14 Senior Java Engineer Jobs

Senior Java Engineer (Core Java) £100,000 - £130,000 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 … 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 ...

Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission-driven … high-quality engineering, enjoy mentoring others, and want your work to have real public impact, this role is for you. The Role As a Senior Software Engineer (Full Stack) you'll design, build and deploy scalable, secure and well-tested software solutions. You'll contribute to architecture decisions ...

Senior Java Engineer – Reactive (Spring WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This … that integrate deeply with bank infrastructure to enable secure, real-time payments at global scale. What You’ll Be Doing You’ll play a senior individual-contributor role within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design ...

Senior Core Java Engineer - Low-Latency Trading Salary: Up to £125,000 + bonus + benefits Location: City of London (3 days onsite) Build ultra-low latency systems at the heart of global FX trading! This is an opportunity for a Senior Core Java Engineer … fast-paced financial environment, this is the role for you. What you'll be doing Design, build and optimise low-latency, high-throughput Core Java trading systems Own and drive performance improvements across critical components Contribute to the architecture and evolution of a world-class FX trading platform processing ...

Senior Java Developer (AWS, API) - Hybrid - Sussex Daily rate: £500 - £700 inside IR35 Duration: 6 - 12 months Hybrid: 2 days per week on site (mandatory Tues, Wed) Start: ASAP My new client is looking for 2 highly skilled Senior Java Engineers to join our engineering team. … architectures, contribute to API and microservices development, and help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such ...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring … Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial services industry. Key responsibilities include coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues ...

Senior Fullstack Software Engineer - Java As an experienced member of our Software Engineering Group, we seek individuals passionate about solving business challenges through innovation and modern engineering practices. You will leverage your deep expertise across the software development lifecycle while collaborating closely with stakeholders to achieve shared … foster a culture of experimentation, continuous improvement, and learning within a collaborative and trusting environment. Key Responsibilities Design, develop, and maintain scalable microservices using Java 17+ and Spring Boot. Collaborate with cross-functional teams to deliver high-quality software solutions. Participate in architecture discussions and ensure adherence to best ...

Senior Fullstack Software Engineer - Java As an experienced member of our Software Engineering Group, we seek individuals passionate about solving business challenges through innovation and modern engineering practices. You will leverage your deep expertise across the software development lifecycle while collaborating closely with stakeholders to achieve shared ...

Senior Full stack Java REACT Engineer Contract Dublin 12 Months. My client a leading global name in their space is in urgent need of a talented and experienced Senior Full stack Java engineer to join them on a contract basis for 12 months with … view for further 12 months. My client is looking for you to Develop applications using Java/J2EE technologies. You will also Develop Java based applications using Spring Boot, Spring Batch, React and Micro-Services architecture. You will be able to Be able to work with Business/ ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … building robust microservices that support high-traffic user experiences, serving thousands or millions of concurrent users. What We’re Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

tier-one financial services environment. We're working with a global financial institution on a large-scale engineering programme and are looking for a Senior Java/Python Engineer to deliver high-impact backend systems on AWS, with exposure to modern AI and LLM-based solutions. What … days on-site, Central London Enterprise-scale systems and long-term programme work What you'll be doing Designing and building backend services using Java and/or Python Delivering cloud-native applications in AWS environments Working with AI/ML solutions, including LLM inference and RAG-based semantic ...

SmartChoice are supporting a data platform programme for a global financial services organisation and require a number of senior backend (Java) developers to join on a 6 month contract. In this role you will be responsible for: Design and implement core functionality within Data Fabric backend services. Develop … Cucumber. Take ownership of CI/CD pipelines, code quality standards, and service observability. Mandatory experience includes: Strong experience building backend services using Java (17/21) and Spring/Core frameworks. Deep knowledge of JDBC, SQL parsing/validation, and query optimisation. Solid understanding of SQL query planning ...