76 to 100 of 239 Senior Java Engineer Jobs in the UK

Citi is seeking a Senior Java Software Engineer for FX Options Risk (VP) to design, develop, and optimize our high-throughput, real-time risk system. You will work on low-latency processing, collaborate with the FX Options Trading desk, and guide the team with architectural excellence. … role requires deep Core Java expertise, experience with real-time streaming, and familiarity with containerization and cloud platforms. A hybrid work model and comprehensive benefits are offered. #J-18808-Ljbffr ...

Citigroup Inc. in Belfast, United Kingdom, is seeking a Senior Software Engineer (Java) to design and evolve large, distributed systems for the FiTP team. The role focuses on high-volume trade capture and processing with a strong emphasis on low latency and multi-threaded Java applications. ...

ITRS Group in London is seeking a Senior Java Software Engineer to join the Platform Team. You will help build the core platform that ingests and transforms observability data for multiple applications, working on a hybrid schedule from our London office. You will participate in all phases ...

Senior Java Software Engineer – FX Options Risk (VP) This position is responsible for designing, developing, and optimizing our mission-critical, high-throughput FX real-time risk system. As a SeniorSoftwareEngineer, you will leverage your deep technical expertise to drive the architectural evolution of low-latency processing systems … adhere to corporate security, scalability, and stability standards to safeguard Citigroup, its clients, and assets. Hands-on Development Contribute hands-on as a primary engineer utilizing our modern tech stack: Core Java (multi-threading, concurrency, memory optimization),CouchbaseDB, Kafka, and Apache Storm. Solve complex real-time risk calculation ...

CreateFuture is a UK-based AI-native consulting partner helping clients like PayPal, adidas and NatWest build scalable software. We seek a Senior Software Engineer (Java + Vue/Typescript) to design and deliver high‐quality systems, mentor engineers and influence technical direction across multiple projects. ...

CreateFuture is a UK-based AI-native consulting partner helping clients like PayPal, adidas and NatWest build scalable software. We seek a Senior Software Engineer (Java + Vue/Typescript) to design and deliver high‐quality systems, mentor engineers and influence technical direction across multiple projects. ...

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 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 ...

Systems, Inc. is seeking a Senior/Intermediate Java Engineer to join its R&D team in a hybrid London/Newry/Belfast role. Focus on backend and middleware development with Java 17 and Spring, integrating with kdb+ in a distributed, high-availability system. ...

experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team, building bespoke … testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications using Java, JavaScript, React and TypeScript Designing and deploying cloud-based solutions, primarily using AWS Creating continuous integration pipelines using tools such as GitLab Working across ...

experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team, building bespoke … testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications using Java, JavaScript, React and TypeScript Designing and deploying cloud-based solutions, primarily using AWS Creating continuous integration pipelines using tools such as GitLab Working across ...

description: 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 is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative … testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications using Java, JavaScript, React and TypeScript Designing and deploying cloud-based solutions, primarily using AWS Creating continuous integration pipelines using tools such as GitLab Working across ...

description: 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 is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative … testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications using Java, JavaScript, React and TypeScript Designing and deploying cloud-based solutions, primarily using AWS Creating continuous integration pipelines using tools such as GitLab Working across ...

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 ...

Vestmark is building the AI-native future of wealth management technology. We are looking for a Senior Java Software Engineer who is serious about AI-assisted development, curious about how software engineering is changing, and ready to do real work on systems that matter. You will … engineering: data structures, algorithms, system design basics, and how production systems behave under real-world conditions Ability to build and deliver working solutions in Java , with willingness to use whatever the problem requires Understanding of APIs, basic cloud concepts, and modern software delivery practices AI Fluency & Curiosity Genuine, hands ...

Bounteous, a global AI Services firm, seeks a Senior Java Developer for a hybrid Glasgow role (3 days in office). Bring 4–12 years’ experience to design, build, and scale Java-based AI-enabled applications. You will work with Java 17, Kafka, Spring Boot ...

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 ...

Senior Full Stack Java/Vue.js Engineer – Contract Location: UK – Fully Remote Rate: Up to £500 per day IR35: Outside IR35 Duration: 6 months initially I'm looking for an experienced Senior Full Stack Java/Vue.js Engineer to join a high-performing engineering … contributing to architectural decisions and working within an engineering environment where quality, reliability and security are critical. Key Skills & Experience Strong commercial experience with Java Excellent experience with Vue.js Strong full-stack development background Experience building and maintaining complex, scalable applications Strong understanding of REST APIs and modern software ...

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 ...

99856935728Posted: 2026-09-01Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications DevelopmentCompany: CitiThe 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 … changes in expectations or requirementsExperience 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 ...

experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative Agile team, building bespoke … testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications using Java, JavaScript, React and TypeScript Designing and deploying cloud-based solutions, primarily using AWS Creating continuous integration pipelines using tools such as GitLab Working across ...

raised capital from some of the world's best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures. Senior Software Engineer (Java) Location London Employment Type Full time Location Type Hybrid Department About ARQ ARQ is one of the fastest-growing fintechs … chance to grow fast with a world-class team, ARQ is the place to do it. What we're looking for As a Backend Engineer, you'll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You'll collaborate with a talented ...

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 ...

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 ...

latest technology to connect with them quickly, efficiently and wherever possible in highly personalised ways. Job Description We’re looking for a Senior Engineer to join our Group Protection technology team. This is an exciting opportunity to play a key role in shaping and delivering modern cloud-based … technical excellence Contributing to architectural decisions, reducing technical debt and improving platform sustainability Who we're looking for: Strong commercial experience developing software using Java and JavaScript/TypeScript Experience building and supporting RESTful microservices in Spring Boot, Node.js or similar frameworks Solid understanding of cloud technologies, ideally Azure ...