351 to 375 of 3,308 Java Jobs in the UK

Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a pioneering new … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion for solving … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. Additional exposure More ❯

A leading IT Consultancy is seeking Java AWS Developer Engineers on a contract basis to work on a project with a Financial Services client. You will be required to work onsite in Farnborough 2 times per week. Please DO NOT apply unless you can commit to this. Experience/Skills Required: - Java 17, 21 - Junit 5, Cucumber - Spring Boot More ❯

Java Quant Developer – FX & Crypto | London (Hybrid) Join a high-impact team at the intersection of trading, tech, and research. I’m looking for a Java Quant Developer to help evolve a 24/7 OTC trading stack. You’ll work alongside experienced traders and researchers to build cutting-edge pricing and execution systems for FX and Crypto markets. 🔍 What … frameworks • Design and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

Java Quant Developer – FX & Crypto | London (Hybrid) Join a high-impact team at the intersection of trading, tech, and research. I’m looking for a Java Quant Developer to help evolve a 24/7 OTC trading stack. You’ll work alongside experienced traders and researchers to build cutting-edge pricing and execution systems for FX and Crypto markets. 🔍 What … frameworks • Design and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

Java Quant Developer – FX & Crypto | London (Hybrid) Join a high-impact team at the intersection of trading, tech, and research. I’m looking for a Java Quant Developer to help evolve a 24/7 OTC trading stack. You’ll work alongside experienced traders and researchers to build cutting-edge pricing and execution systems for FX and Crypto markets. 🔍 What … frameworks • Design and backtest Alpha Signals for market execution • Enhance trade execution efficiency and system performance • Implement robust risk management and stress-testing tools 🎯 What You Bring • 5+ years Java (OOP, low-latency systems) • 4+ years FX or Crypto trading experience • Python (NumPy, Pandas, SciPy) • SQL or time-series DBs • Linux & distributed systems expertise • Strong communication & market intuition ✨ Bonus Skills More ❯

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across the UK. This … and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git More ❯

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across the UK. This … and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git More ❯

Principal Full Stack Java Developer Role - Leading SaaS Based Automation Company - Berkshire - Hybrid/Once a Fortnight onsite in Berkshire based office (Moving to new offices in Reading in March 2026 - 2 days onsite from March 2026) - Up to £100,000 + 10% Bonus + Benefits Are you an experienced Principal/Tech Lead Java Developer looking for a new … critical automation platforms for iconic world brands? G.R.E. Recruitment is delighted to partner with a leading SaaS based Automation Company who are looking to add a Principal Full Stack Java Developer to their dynamic scaling development team. This role will initially be once a fortnight in the Berkshire based office as they plan to move to new offices in Reading … then it will be twice per week in the office from March 2026. For this role I am looking for a Principal/Tech Lead Full Stack Java Developer with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact technical decisions - this role is More ❯

Java/Kotlin Engineer A fast-growing Fintech company based in London, are on the lookout for talented Kotlin Engineers to join their high-impact engineering team. You don’t need to be a Kotlin expert yet — if you’ve worked in any JVM language (Java, Scala, Clojure, etc.) and are keen to learn Kotlin, we’d love to hear … maintainable code with a focus on reliability and scalability. Contribute to architectural discussions and help shape our platform as we scale. What we’re looking for Strong experience with Java, Scala, Kotlin, or another JVM language. Solid understanding of modern software engineering principles — from CI/CD to cloud-native development (AWS, GCP, or Azure). Experience with frameworks like More ❯

Java/Kotlin Engineer A fast-growing Fintech company based in London, are on the lookout for talented Kotlin Engineers to join their high-impact engineering team. You don’t need to be a Kotlin expert yet — if you’ve worked in any JVM language (Java, Scala, Clojure, etc.) and are keen to learn Kotlin, we’d love to hear … maintainable code with a focus on reliability and scalability. Contribute to architectural discussions and help shape our platform as we scale. What we’re looking for Strong experience with Java, Scala, Kotlin, or another JVM language. Solid understanding of modern software engineering principles — from CI/CD to cloud-native development (AWS, GCP, or Azure). Experience with frameworks like More ❯

Job Opportunity: Java Developer Equities Trade Processing Platform (London) An exciting opportunity has opened for an experienced Java developer to join a Global Equities Front Office technology team, supporting a real-time trade processing and client allocation platform known as GETS. This London-based role offers a hybrid working arrangement, combining office presence with remote flexibility depending on operational needs. … The GETS platform is built primarily in Java and leverages low-latency messaging and in-memory database technologies. The role involves a blend of development and support responsibilities, including diagnosing production issues, implementing bug fixes, and enhancing the platform using both Java and a proprietary workflow/reporting framework. Collaboration with a global team to evolve the core framework and … Prior experience in equities trading workflows and platforms such as Fidessa ETP and/or CTAC is highly desirable. Key Responsibilities Design and implement new workflows using a proprietary Java-based framework Develop and maintain reporting features within the same framework Collaborate with global development teams to enhance platform capabilities Deliver permanent fixes for identified issues Build, test, and deploy More ❯

Job Opportunity: Java Developer – Equities Trade Processing Platform (London) An exciting opportunity has opened for an experienced Java developer to join a Global Equities Front Office technology team, supporting a real-time trade processing and client allocation platform known as GETS. This London-based role offers a hybrid working arrangement, combining office presence with remote flexibility depending on operational needs. … The GETS platform is built primarily in Java and leverages low-latency messaging and in-memory database technologies. The role involves a blend of development and support responsibilities, including diagnosing production issues, implementing bug fixes, and enhancing the platform using both Java and a proprietary workflow/reporting framework. Collaboration with a global team to evolve the core framework and … Prior experience in equities trading workflows and platforms such as Fidessa ETP and/or CTAC is highly desirable. Key Responsibilities Design and implement new workflows using a proprietary Java-based framework Develop and maintain reporting features within the same framework Collaborate with global development teams to enhance platform capabilities Deliver permanent fixes for identified issues Build, test, and deploy More ❯

Job Opportunity: Java Developer – Equities Trade Processing Platform (London) An exciting opportunity has opened for an experienced Java developer to join a Global Equities Front Office technology team, supporting a real-time trade processing and client allocation platform known as GETS. This London-based role offers a hybrid working arrangement, combining office presence with remote flexibility depending on operational needs. … The GETS platform is built primarily in Java and leverages low-latency messaging and in-memory database technologies. The role involves a blend of development and support responsibilities, including diagnosing production issues, implementing bug fixes, and enhancing the platform using both Java and a proprietary workflow/reporting framework. Collaboration with a global team to evolve the core framework and … Prior experience in equities trading workflows and platforms such as Fidessa ETP and/or CTAC is highly desirable. Key Responsibilities Design and implement new workflows using a proprietary Java-based framework Develop and maintain reporting features within the same framework Collaborate with global development teams to enhance platform capabilities Deliver permanent fixes for identified issues Build, test, and deploy More ❯

Job Opportunity: Java Developer – Equities Trade Processing Platform (London) An exciting opportunity has opened for an experienced Java developer to join a Global Equities Front Office technology team, supporting a real-time trade processing and client allocation platform known as GETS. This London-based role offers a hybrid working arrangement, combining office presence with remote flexibility depending on operational needs. … The GETS platform is built primarily in Java and leverages low-latency messaging and in-memory database technologies. The role involves a blend of development and support responsibilities, including diagnosing production issues, implementing bug fixes, and enhancing the platform using both Java and a proprietary workflow/reporting framework. Collaboration with a global team to evolve the core framework and … Prior experience in equities trading workflows and platforms such as Fidessa ETP and/or CTAC is highly desirable. Key Responsibilities Design and implement new workflows using a proprietary Java-based framework Develop and maintain reporting features within the same framework Collaborate with global development teams to enhance platform capabilities Deliver permanent fixes for identified issues Build, test, and deploy More ❯

Front Office technology team, an opportunity exists for an experienced developer for the Equities real-time trade processing and client allocation platform; GETS. The platform is primarily built in Java and includes real-time low latency messaging and in-memory database technologies. The role will cover a mixture of technical support tasks including, diagnosing production issues, bug fixes and extending … the platform using a combination of Java and a proprietary workflow/reporting framework. There will also be opportunities to work with the global team to extend the core framework and/or the addition of new features. The candidate will work alongside the GETS support team members to troubleshoot issues and develop solutions to issues found within the platform. … if the candidate has previous experience analysing complex equities trading workflows, experience with Fidessa ETP and/or CTAC also desirable. Key Responsibilities & Tasks: Develop new workflows using proprietary Java based framework. Develop new reports using proprietary Java based framework Work with the global development team on enhancing the platform. Develop permanent fixes for development related issues. Build, test and More ❯

Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross-border … building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the More ❯

Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross-border … building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the More ❯

Job Opportunity: Java Developer – Equities Trade Processing Platform (London) An exciting opportunity has opened for an experienced Java developer to join a Global Equities Front Office technology team, supporting a real-time trade processing and client allocation platform known as GETS. This London-based role offers a hybrid working arrangement, combining office presence with remote flexibility depending on operational needs. … The GETS platform is built primarily in Java and leverages low-latency messaging and in-memory database technologies. The role involves a blend of development and support responsibilities, including diagnosing production issues, implementing bug fixes, and enhancing the platform using both Java and a proprietary workflow/reporting framework. Collaboration with a global team to evolve the core framework and … Prior experience in equities trading workflows and platforms such as Fidessa ETP and/or CTAC is highly desirable. Key Responsibilities Design and implement new workflows using a proprietary Java-based framework Develop and maintain reporting features within the same framework Collaborate with global development teams to enhance platform capabilities Deliver permanent fixes for identified issues Build, test, and deploy More ❯

Job Opportunity: Java Developer – Equities Trade Processing Platform (London) An exciting opportunity has opened for an experienced Java developer to join a Global Equities Front Office technology team, supporting a real-time trade processing and client allocation platform known as GETS. This London-based role offers a hybrid working arrangement, combining office presence with remote flexibility depending on operational needs. … The GETS platform is built primarily in Java and leverages low-latency messaging and in-memory database technologies. The role involves a blend of development and support responsibilities, including diagnosing production issues, implementing bug fixes, and enhancing the platform using both Java and a proprietary workflow/reporting framework. Collaboration with a global team to evolve the core framework and … Prior experience in equities trading workflows and platforms such as Fidessa ETP and/or CTAC is highly desirable. Key Responsibilities Design and implement new workflows using a proprietary Java-based framework Develop and maintain reporting features within the same framework Collaborate with global development teams to enhance platform capabilities Deliver permanent fixes for identified issues Build, test, and deploy More ❯

Java Developer/Team Lead Manchester/WFH to £80k Are you a hands-on technical leader with strong Java skills? You could be working on complex and interesting systems using the latest technology within a diverse, supportive environment whilst enjoying a range of perks and continual learning opportunities at a global games software house. As a Java Developer/… Central Manchester three days a week with flexibility to work from home twice a week. About you: You have strong backend software engineering skills and experience You have strong Java, Spring and AWS experience You also have experience with Kafka for data streaming You have a good knowledge of Docker and Kubernetes You have technical leadership, mentoring and coaching experience … you're an advocate of software engineering best practices You're collaborative and pragmatic with great communication and stakeholder management skills What's in it for you: As a Java Developer/Team Lead you will earn a competitive package: Salary to £80k Personalised training budget Pension Healthcare including dental and optical Various wellness experiences, gym subsidy, cycle to work More ❯

Java Full-Stack DeveloperLocation: London (Hybrid)Salary: £85,000 – £90,000 + benefitsI’ve partnered with an exciting tech firm who are building software that transforms how stakeholders make important decisions. What started as a consultancy has evolved into a SaaS platform that helps organisations cut through hundreds of pages of board packs and focus on what matters. Their products … combine Java, AI, and modern web technologies to deliver clarity and speed for decision-makers.They’re estimated at nearly $30M, annually, and have 3 offices globally, with the view to grow their UK footprint. Having recently doubled down on AI-driven tools, they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. What You … ll Do Develop and enhance their core services built in Java (Spring Boot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions and help shape the future Tech Stack Backend: Java (Spring Boot), Ruby on Rails (legacy), Golang, Python (AI services) Frontend More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience … option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and More ❯

Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience … option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and More ❯

Software Engineer - Java Microservices Location: London (Hybrid) About the Role We're excited to be supporting our client, a leading organisation in the financial services sector, in their search for a Software Engineer (Java Microservices) to join a high-performing, collaborative engineering team. This is a fantastic opportunity for a driven and passionate developer who enjoys working on complex, large … software solutions that directly impact millions of customers. The environment is fast-paced, technically challenging, and highly rewarding - ideal for an engineer who wants to deepen their expertise in Java microservices , cloud technologies, and Agile delivery . What You'll Be Doing Designing, developing, testing, and deploying Java-based microservices within a distributed, cloud-native environment Working as part of … of engineering practices and processes Applying Agile and CI/CD methodologies to ensure fast, reliable, and secure delivery of software What We're Looking For Proven experience developing Java software with a strong understanding of object-oriented principles and design patterns Hands-on experience delivering microservices and working within distributed system architectures Knowledge of Agile delivery methods , including CI More ❯

Java Software Engineer Defence, Cyber & Intelligence Full-Time eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across the UK. This … and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git More ❯