26 to 50 of 89 Senior Java Software Engineer Jobs in the UK

Adecco is seeking a Senior Software Engineer for a 3-month contract in Manchester with hybrid working. You will join an agile team to enhance, build, and deliver secure, scalable software, applying Java, Spring Boot and microservices concepts. You will ...

Vestmark is seeking a Senior Java Software Engineer to help build AI-native wealth management solutions. You will work on agentic systems and production-quality software that matters, not a ticket queue. In addition to strong Java development ...

chance to do it on a global scale and play a real role in shaping our exciting journey. The role As a Senior Software Engineer, you will be a hands-on member of a high-performing engineering squad, building and operating business-critical digital … services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern web interfaces using technologies such as React ...

chance to do it on a global scale and play a real role in shaping our exciting journey. The role As a Senior Software Engineer, you will be a hands-on member of a high-performing engineering squad, building and operating business-critical digital … services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern web interfaces using technologies such as React ...

98171091088Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. … managing and reporting control issues with transparency. Key Skills and Experience requiredAdditional Job DescriptionExperience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPISolid frontend experience with modern JavaScript frameworks ...

learn and collaborate with some of the most talented people in the industry. Rockstar is on the lookout for a passionate Senior Software Engineer who is skilled at hands on development. This is a full-time, permanent and in-office position based in Rockstar … unique game development studio in the heart of Leeds, England. WHAT WE DOThe Rockstar Games Information Systems team create and maintain production software tools that are used by all game development disciplines to support the creation of all Rockstar Games projects. The tools we build range from task ...

learn and collaborate with some of the most talented people in the industry. Rockstar is on the lookout for a passionate Senior Software Engineer who is skilled at hands on development. This is a full-time, permanent and in-office position based in Rockstar … unique game development studio in the heart of Dundee, Scotland. WHAT WE DOThe Rockstar Games Information Systems team create and maintain production software tools that are used by all game development disciplines to support the creation of all Rockstar Games projects. The tools we build range from task ...

bank of the future from the ground up, offering you the chance to join us and make a significant impact. As a Senior Lead Software Engineer at JPMorgan Chase within the International Consumer Bank, you will play a crucial role in this initiative, dedicated … latest technologies and the best industry practices Use domain modelling techniques to allow us to build best in class business products. Structure software so that it is easy to understand, test and evolve. Build solutions that avoid single points of failure, using scalable architectural patterns. Develop secure code ...

Roku seeks a Senior Software Engineer to join the Enterprise Engineering team, building scalable web applications and services that power key business processes. You will own platform services, drive architecture decisions, and deliver high-quality software within tight timelines. You will partner ...

driven design to streamline internal processes, boost efficiency, and deliver innovative solutions. The team's expertise spans a wide range of technologies, including Java and Python-based MicroServices, AWS/GCP cloud backend systems, Big Data technologies like Hive and Spark, and modern web applications. With a globally … ownership, and a collaborative spirit that drives impactful results for Roku's business operations. What is the role? Roku is seeking a Senior Software Engineer to join the Enterprise Engineering team, focused on designing, building, and deploying scalable web applications and services that power ...

Loyalty in London is seeking a Senior Software Engineer to shape our Pricing Service, the engine behind Avios rewards. You’ll design, build and operate cloud-native services using Java, Spring Boot and AWS, influencing technical direction while mentoring peers. ...

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 … guarantees. Outcome‐level alerting that enables faster and 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.). ...

Fasanara Digital in London is seeking a skilled Java Software Engineer to join a small, high-performing team supporting our 24/7 trading activity. You will own the development of our multi-venue collateral management platform and related data pipelines. You will work … primarily in Java and Kotlin on both new development and production systems, collaborating with investment stakeholders to deliver robust, scalable solutions for digital assets and traditional markets. #J-18808-Ljbffr ...

Bauer Media Group Heinrich Bauer Verlag KG in Manchester is hiring a Senior Software Engineer to help build and scale our in-house audio platform. You will own key features from design to deployment, mentor peers, and drive secure, resilient systems in a product ...

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 for full job details ...

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 ...

Chainalysis is building the data platform for blockchain analytics and seeks a Senior Software Engineer with deep PostgreSQL and Java Spring Boot experience to drive high-impact projects at scale. You will own a data ingest Java service, optimize PostgreSQL ...

Summary As a Senior Lead Software Engineer in the Finance Technology Team, you will design and deliver trusted, market‐leading technology products in a secure, stable, and scalable way. You will carry out critical technology solutions across multiple technical areas to support our business … technology and process implementations. Your role will help foster a diverse, equitable, and inclusive team culture while driving impactful results. Job Responsibilities Execute software solutions, design, development, and technical troubleshooting to build innovative solutions Define and lead technology and process implementations across groups to achieve firmwide objectives Create ...

integral part of an agile team that’s constantly pushing the envelope to enhance, build, and deliver top‐notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Global Sales OMS technology group working in EMEA with a focus … review, automated testing) and promoting reuse of proven patterns and automation within the SDLC/TLM toolchain. Applies knowledge of tools within the Software Development Life Cycle toolchain, including approved AI‐assisted development and automation capabilities, to improve the value realized by automation at scale. Drives decisions that ...

Introductory Marketing Language: Join us and elevate your software engineering career. You'll lead a team of skilled engineers, drive innovative technology solutions, and contribute to a culture that values collaboration and inclusion. At JPMorganChase, we empower you to grow your skills and make a real difference. Your … ideas and leadership will drive meaningful change. Experience the rewards of building technology that matters. Job Summary: As a Senior Lead Software Engineer in the Finance Technology Team, you will design and deliver trusted, market-leading technology products in a secure, stable, and scalable ...

Title: Senior Software Developer Type: Full Time, Permanent Location: Fully Remote UK Ref. No: 1044 Salary: up to £60,000 plus benefits Working Hours: 37.5 hours per week Please note you must have full and legal rights to work in the UK click apply for full ...

Role Overview TP ICAP are looking for a Senior Java Developer delivering low‐latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‐time messaging. In this role, you will be responsible for designing, building, and optimising mission … critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global teams, including ...

JPMorganChase is seeking a Senior Lead Software Engineer to advanced, secure, scalable technology products across multiple platforms. You will guide architecture, design and delivery, shaping product functionality and technical operations within a diverse, inclusive team. Ideal candidates bring deep experience in Java ...

HKEX Group in London is seeking a Senior Engineer to design and implement complex software solutions in a fast-paced, regulated environment. You will liaise with analysts, owners, and architects to translate requirements into robust designs and code. Expect active participation in reviews, documentation ...

money. For everyone, everywhere. More about our mission and what we offer. Job DescriptionAbout the role: We are looking for a talented Senior Software Engineer to join our Payin Platform team in the London office. This team owns layer that powers how money enters … many teams across the company, so correctness, reliability, and thoughtful API design matter enormously. QualificationsWhat do you need?:5+ years of experience in Java, Kotlin, Python or Go Strong experience with Spring framework, relational databases, distributed and concurrent systems (Kafka)Great cross-team communication - Can discuss and champion ...