26 to 50 of 60 Senior Java Engineer Jobs in the UK

Senior Software Engineer, Quant trading – Python, JavaLondon (Hybrid)130,000-175,000 + benefits and bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading player in the global cryptoassets industry, is seeking a talented Senior Software Engineer to join their dynamic team. This role will be instrumental in building and supporting a diverse technology stack, enabling my client to trade across multiple exchanges and regions with a wide range of strategies. As a Senior Software Engineer, you will work closely with ...

Senior Full Stack Engineer – Java/Angular Location: UK – Fully Remote Salary: Up to £85,000 Type: Permanent I'm looking for an experienced Senior Full Stack Engineer to join a growing product-focused technology organisation, working on high-scale applications within a modern … management title — someone who can set the standard, make sound technical decisions and bring others with them. Key Skills & Experience Strong commercial experience with Java development Strong TypeScript experience Excellent Angular development experience Strong understanding of REST APIs and distributed systems Significant experience working with AWS Experience developing within ...

Senior Full Stack Engineer - Java/Angular Location: UK - Fully Remote Salary: Up to £85,000 Type: Permanent I'm looking for an experienced Senior Full Stack Engineer to join a growing product-focused technology organisation, working on high-scale applications within a modern ...

Pound Sterling Occupational Categories: Government Industry(ies): Consulting Services,Government/Civil Services,Information Technology,Recruiting/Staffing,Software,Telecommunications Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy … software engineersDesigning, developing and testing bespoke software solutionsProviding technical direction and communicating clearly with clientsProducing solution architectures and technical designsBuilding full-stack applications using Java, JavaScript, React and TypeScriptDesigning and deploying cloud-based solutions, primarily using AWSCreating continuous integration pipelines using tools such as GitLabWorking across the full software ...

Senior Software Engineer I (Java & Python)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: The Submission and Editorial platform is at the heart of Elsevier's publishing ecosystem, supporting … teams to understand submitted content and use that intelligence to create smarter experiences throughout the Submission and Editorial journeyAbout the role: As a Senior Software Engineer on our team, you'll help build the Document Intelligence capabilities that enable Elsevier's Submission products to understand scientific content ...

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. We are continually ...

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 ...

102161042896Posted: 2026-10-22Location: Belfast, Northern Ireland, United KingdomCategory: TechnologyCompany: 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. Every day, $5 trillion crosses through our network. … escalating, 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 (React ...

record of delivering powerful, elegant and intuitive trading technology solutions, and we value technical pragmatism, collaboration, and clear communication. We're looking for a Senior Java/Systems Engineer with significant experience in Platform Exchange Systems to design, deliver, and optimise production-ready, high-performance, low-latency … technology using Aeron. YOU ARE: A hands-on engineer who enjoys designing and optimising low-latency Java services and protocols across the full delivery lifecycle. Someone with genuine experience building Matching Engines and Platform Exchange Systems. Driven by evidence-based engineering, automated testing, benchmarking, and profiling rather than ...

based solutions for search, security, and observability help organizations deliver on the promise of AI.What is The RoleWe are on the lookout for a Senior Java Developer to join our Elasticsearch team and drive our work on the Inference API in Elasticsearch.The Elasticsearch Inference API is the integration … inference-related incidentsWrite thorough tests: unit tests using ESTestCase, YAML-based REST integration tests, and rolling-upgrade testsWhat You Bring 5+ years of production Java experience, with experience contributing to a large, established Java codebase. You know core Java and are conversant in the standard library ...

have a demonstrated passion for delivering FX technology in support of our #1 FX business. Role Overview/What will you do: As a Senior Java Engineer, your mission is to help shape our team of innovators and technologists toward creating next-level solutions that improve … STEM discipline. Proven experience in software engineering and development, and a strong understanding of computer systems and how they operate. Hands on Experience in Java , Spring, Understanding of ultra-low-latency development practices. Proven understanding of FX highly preferredWell versed with AI coding tools like Devin , Claude code ...

102161058176Posted: 2026-10-22Location: London, England, United KingdomCategory: TechnologyCompany: CitiSenior Low Latency Java EngineerThis is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead applications … systems analysis and programming activities. The role is to provide senior, low-latency systems and application framework engineering (skilled in Java, C++, KDB, market data, algorithmic trading technology) within the London Based High Performance Architectures (HPA ) team. The team require a specialist on algorithmic trading systems utilities including ...

Barcelona, Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. ...

Barcelona, Montreal and Manila we have a proven track record of delivering trading technology that is powerful, elegant and intuitive. We are hiring a Senior Java Distributed Systems Engineer to help build Aeron Sequencer, our technology for applying state machine replication to capital markets. You will work … systems. Strong written and verbal communication skills. YOU WILL: Analyse, design, discuss and develop distributed systems built on replicated state machines. Write clean, efficient Java code that is maintainable and self-documenting. Design and evolve messaging protocols and software libraries. Troubleshoot and debug Java applications and distributed systems. ...

Senior Software Engineer I (Java & JavaScript)Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript About the team: You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. We build … line, and provides direct input to project plans, schedules, and methodology in the development of cross-functional software products under the guidance of more senior members of the squad. This position performs software design - typically across multiple components; develops the skills of mentoring more junior members of the team ...

multitude of problems and challenges, who can work across teams do great things here at Engine, to continue changing banking for good. As a Senior Engineer you will: Have the opportunity to lead projects or functional areas/domains within the Engine team and platformContribute to our award … aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. ...

offer you the 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 … 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 and TypeScript. You will work ...

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 … 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 and TypeScript. You will work ...

based solutions for search, security, and observability help organizations deliver on the promise of AI.What Is the RoleWe are on the lookout for a Senior Software Engineer to join our Elasticsearch team and focus on ensuring that the shared platform functionalities of Elasticsearch are easy to use, performant … successfully resolved.What You Bring Experience crafting APIs and the ability to reason through tradeoffs.Proficient in algorithms and data structures.You have strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features.Experience with low-level Java ...

transparent, business decisions easier and processes more efficient. You can learn more about LexisNexis Risk at our TeamWe're seeking a highly self-motivated Engineer who can effectively prioritize projects, provide technical leadership, and collaborate closely with the Technical Lead to drive successful outcomes. As a Senior Software … Engineer, you will play a critical role in developing new features and enhancing existing functionality. You'll work with cutting-edge technologies such as Spring Boot, Java18, Angular 11+, ReactJS, TypeScript, Python, AWS services (S3, SNS), Redis, Docker, and more. We empower our engineers to contribute to design, implementation ...

Title: Senior Software Engineer, Prime TechnologyCorporate Title: Vice PresidentDepartment: Information Technology - Global Markets IT (GMIT)Location: London (Hybrid)Company overviewNomura is a financial services group with an integrated global network. By connecting markets East & West, we service the needs of individuals, institutions, corporates and governments through our four … identify, escalate and manage technical and delivery risks across the platform. Skills, experience, qualifications and knowledge required: Extensive hands-on software development experience in Java, with a strong track record of delivering complex systems at scale. Deep expertise in automated testing methodologies, including embedding test automation and TDD practices ...

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 ...

About The RoleThis FinTech firm is currently building out its first firmwide data analytics firm. This project will be completely greenfield and is looking for engineers who are going to bring in new ideas using ...

complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.What is The RoleWe are seeking a Senior Software Developer to join the Elasticsearch Security team. In this role, you will contribute to the architecture and design of Elasticsearch's main features. These … driven tools to automate vulnerability triage, prioritization, and preliminary investigation, streamlining security workflows and reducing manual intervention.What You BringYou have deep knowledge of Java internals and JVM memory management. You understand how concurrency models work. You can write code that is high-performance, thread-safe, and lock-free. This ...

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 distributed presence … technical excellence, creativity, a strong sense of ownership, and a collaborative spirit that drives impactful results for Roku's business operations.About The RoleAs a senior technical lead, you consider yourself a platform services developer and developing innovative solutions using modern software frameworks and paradigms. You are self-driven ...