26 to 50 of 79 Senior Java Engineer Jobs in the UK

Salt Digital Recruitment is seeking a Senior Java Developer for a hybrid role in Sussex. The successful candidate will design and develop high-quality Java applications, optimising RESTful APIs and contributing to cloud-native solutions using AWS services. This position offers a daily rate … dependent on experience, for a contract lasting 6 to 12 months. Strong proficiency in Java, Spring Boot, and AWS is required, along with a commitment to building scalable systems. Immediate start available. #J-18808-Ljbffr ...

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 ...

Zilch is seeking a Senior Java Software Engineer in London to help build from the ground up, focusing on scalable backend systems and high-quality code. You will work in a fast-paced, collaborative team to deliver secure, high-performance services and APIs that power our payments ...

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 ...

Citi in London is seeking a Senior Java Developer for the Derivatives Credit Risk Technology Team. You will drive development across the full software lifecycle and collaborate with a global team to deliver risk management solutions used in counterparty exposure, margin, and analytics. Ideal candidates bring strong Core … Java, Spring, and experience in capital markets with a focus on test-driven development, scalable architectures, and leadership potential for future team roles. #J-18808-Ljbffr ...

Deloitte - Recruitment is looking for a highly skilled Senior Java/Python Engineer for a contract opportunity in London, United Kingdom. The role will involve designing and maintaining cloud-based applications while collaborating with cross-functional teams. The ideal candidate must have expertise in Java ...

Hunter Bond is seeking a Senior Java/Python Engineer in London to help build critical backend platforms for financial systems. You will be part of a high-performing team focused on scalable engineering, supporting complex data workflows. The ideal candidate should have strong experience with Java ...

Senior Software Engineer II - Contacts Team - Java Full-time Compensation: GBP 105,000 - GBP 130,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending … want to hear from you! You get things done You have experience working with large scale distributed systems You have years of Java 8+ knowledge You have experience working with relational and non-relational databases, query optimisation and designing schemas You have a strong product mindset and passion ...

London Stock Exchange Group (LSEG) is seeking a Senior Java Developer to join our team working on FX trading systems. You will build and enhance backend services, focusing on performance, reliability, and scalability. You will collaborate with engineers, product partners, and operations to deliver robust software … fast-paced environment. Ideal candidates have extensive Java backend experience, strong understanding of performance and concurrency, and familiarity with Git and CI/CD. #J-18808-Ljbffr ...

London Stock Exchange Group (LSEG) is seeking a Senior Java Developer to join our FX trading support team in London. You will help develop and improve mission-critical backend systems, focusing on speed, reliability and scalability, in collaboration with engineers, product partners, and operations. The role emphasizes ownership ...

Perkbox, Sweatcoin, Coinbase, and Globetopper rely on Runa to facilitate instant, flexible global payouts to tens of millions of consumers. The Role As a Senior Software Engineer, you will be responsible for architecting, implementing and deploying software services from end to end. You'll produce clean, scalable … architecture running on containerised cloud infrastructure, whilst guiding and mentoring more junior engineers in the team. Our Tech This role will be building with Java and Kotlin, leaning heavily on event-driven architectures to move money reliably at scale. Services will run in containers on EKS, backed by both ...

London Metal Exchange (LME) is seeking a Senior Engineer in London to join the IT team. You will design, build, and operate scalable services across frontend, backend, data, and infra to support trading and enterprise platforms. You will collaborate with product teams, vendors and apply automated testing …/CD, and observability. Proficiency in Java/.NET and Python, plus Docker and Kubernetes, is required. This is a high-impact role offering leadership potential within financial services tech. #J-18808-Ljbffr ...

Position Overview Senior Software Engineer – Jamf Insights Web Application (Hybrid, London, United Kingdom) What you’ll do Lead technology transition and build skills in a recognized tech company. Work on the web application that powers Jamf Insights for admins and Managed Service Providers (MSPs). Help create ...

Photon is hiring a senior backend engineer in the United Kingdom, focusing on scalable Java services for a Personal Loans platform. You will design and maintain microservices, REST APIs, and event-driven components, with Kafka-based integrations where applicable. Collaboration with product, architecture, and delivery teams … essential to clarify requirements and deliver business outcomes. The role requires hands-on experience with Java, Spring Boot, AWS, and distributed systems, along with #J-18808-Ljbffr ...

McGregor Boyall is seeking a Senior Java Developer for its London Electronic Trading engineering team. You will design low-latency Java applications, work with traders and quantitative teams, and help scale critical trading platforms across asset classes. Hybrid role with three days in the office, you will ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role … Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more ...

accept applications from those based in the UK or who have sponsorship to live and work in the UK. #LI-Hybrid Role Summary Senior Software Engineer on our team will help lead a technological transition while building skills at an internationally recognized tech company. The role involves working … enrollment configuration editing and reporting Volume purchasing app usage and scope reporting Streamlined workflows that save time and cut down on complexity Tech Stack Java SpringBoot Python Django REST API Microservice architecture Pulsar Auth0 AWS Responsibilities Break down customer problems into work the team can execute on. Independently complete ...

Runa is seeking a Senior Software Engineer to architect, implement and deploy services end to end in a modern, event-driven setup on AWS. You’ll work with Java and Kotlin in containers on EKS, and mentor junior engineers to help scale the team. You’ll contribute ...

future of gaming. Are you ready to level‐up the game? The Role Focusing on our Sportsbook product, we’re looking for a Senior Software Engineer to help build and evolve our next‐generation trading risk platform, powering real‐time liability and exposure management across multiple brands … more informed trading decisions. Integration with downstream systems, including trader‐facing tools. Experience 5+ years software engineering experience in building distributed systems. Excellent Java skills. Experience with streaming technologies (Apache Flink preferred; Kafka Streams, Spark Streaming, etc.). Solid understanding of event‐driven architecture and asynchronous processing patterns. Experience ...

Jamf in London is seeking a Senior Software Engineer to contribute to the Jamf Insights web application, with a hybrid work model in London, United Kingdom. You will lead the technology transition, develop features for admins and MSPs, and help create a streamlined Jamf Pro experience for device ...

United States Digital Space LLC in London is seeking a Senior Software Engineer to help lead a technology transition and build skills at an internationally recognized tech company. You will work on the web application that powers Insights for admins and MSPs. The role emphasizes breaking down problems ...

Senior Lead Software Engineer - Equities Algo Trading - Java - VP Location: London, United Kingdom Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Senior Lead Software Engineer at JPMorgan … stability of software applications and systems Required Qualifications, Capabilities, and Skills Formal training or certification on software engineering concepts and proficient advanced experience in Java Proficiency in low latency, real-time, scalable trading systems Experience in building/dealing with high throughput messaging APIs, middleware products Ability to work ...

around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do. Were 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 … continuous integration and delivery. Our stack includes Java 17/21, GCP, Kubernetes, Grafana, Prometheus, NewRelic, PostgreSQL, Redis, Spock, jOOQ, and Flyway. Up to shape what's next in finance? Let's get in touch. What youll be doing Building mobile APIs Developing microservices to evolve our architecture Perfecting ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems click apply ...

London Stock Exchange Group (LSEG) is hiring an Engineer, Post Trade Senior Associate to join a bold new cloud‐based market infrastructure venture. You will work with the Director of Technical Delivery to design, build and deploy reliable services with a strong emphasis on delivery and technical excellence. … role requires deep expertise with event‐driven microservices, Java 17+, Docker/Kubernetes, DevOps pipelines, and AWS, plus collaboration to ensure robust, scalable, and secure solutions #J-18808-Ljbffr ...