76 to 100 of 140 Java Developer Jobs in the UK

has helped many clients achieve their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the … UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java … discussions, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 5+ years of experience in Core Java development with a focus on performance and memory optimization. Proficient in SpringBoot and microservice-based architecture. Proven experience with low-latency, high-throughput applications (sub-millisecond response times a More ❯

Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid *inside IR35* Key Responsibilities Develop and customise the Fidessa cash equities order management systems for US and Canadian markets. Translate business requirements into technical solutions using Fidessa and Java. Collaborate with global teams to deliver high-quality solutions. Provide mentorship to new team members … line technical issues as needed. Essential Skills & Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Spring framework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such as GitHub, Maven More ❯

Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid *inside IR35* Key Responsibilities Develop and customise the Fidessa cash equities order management systems for US and Canadian markets. Translate business requirements into technical solutions using Fidessa and Java. Collaborate with global teams to deliver high-quality solutions. Provide mentorship to new team members … line technical issues as needed. Essential Skills & Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Spring framework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such as GitHub, Maven More ❯

Location: Leeds (Hybrid working available) Salary: £65,000 - £80,000 per annum + Benefits About the Role: We're looking for a talented and driven Full Stack Java Developer to join our growing team in Leeds. This is a fantastic opportunity for someone who is passionate about technology, enjoys problem-solving, and wants to work on high-impact … projects using modern tools and frameworks. Key Responsibilities: Design, develop, and maintain scalable full-stack applications using Java (backend) and modern front-end technologies (React, Angular, or similar). Collaborate with product owners, designers, and other developers to deliver high-quality software solutions. Write clean, maintainable, and testable code following best practices. Participate in code reviews, sprint planning, and … agile ceremonies. Troubleshoot and resolve technical issues across the stack. Skills & Experience Required: Strong experience with Java, Spring Boot , and RESTful APIs. Proficiency in front-end frameworks such as React, Angular, or Vue.js. Good understanding of databases (SQL and NoSQL). Familiarity with CI/CD pipelines, cloud platforms (AWS/Azure), and containerisation (Docker, Kubernetes) is highly desirable. More ❯

Role Title: Low Latency Java Developer Duration: 12 Months Location: London (3 Days Per Week) Rate: £590 Per Day - Umbrella only Would you like to join a global leader in consulting, technology services and digital transformation? Our client is at the forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital … on the eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers, developing server-side and UI components respectively. This role is specifically a Java role, encompassing low latency market connectivity work and associated services around that. … compliance culture is a base level requirement. Knowledge of FIX is required, knowledge of FX or similar low latency trading systems is desired. A high technical development ability in Java is also required. Familiarity with at least one delivery technique such as Agile, SCRUM, Kanban and similar would be a strong advantage. The position will also require a production More ❯

Job Description: We are looking for a hardworking Java Developer to join our Tick History Development scrum team in Nottingham, as we strive to deliver precision to our customers. The successful candidate will be working on delivering new functionalities for the LSEG Tick History product. The Tick History product offers nearly 30 years of real-time pricing data … balance risk/reward. Essential Skills/Experience Required: Proven experience working in software development Knowledge of Distributed System Design and Implementation Experienced software engineer with excellent knowledge of Java Experience in Cloud technologies, e.g. AWS, Azure. Good knowledge of Linux, it's development environments and tools Have experience in object-oriented methodologies, design patterns Understanding of Big Data More ❯

Halian Technology are currently looking to hire a Senior Java Developer to work in the HealthTech space. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. You will not be alone in this joining a team of 20+ … senior engineers who are writing code to change peoples lifes so exciting time to sign up with this privately owned business. Key Skills needed: Java Development SQL Experience with one of UI technology CI/CD technologies The roles are Hybrid in Berkshire (Bracknell Area) Please note you must be UK-based/have the right to work in More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development. We are seeking … candidates who are available to join immediately or at short notice. Mandatory skills Proficiency in Java 11+, Core Java, JavaScript, and Microservices architecture Strong knowledge of the Spring Framework (including Spring Boot and Spring MVC) Experience with AWS or other cloud platform Solid understanding of SQL and relational databases (MySQL preferred) Note: A coding exercise will be included … as part of interview process. Responsibilities Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Maintain code quality, organization, and automation. Implement security More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development. We are seeking … candidates who are available to join immediately or at short notice. Mandatory skills Proficiency in Java 11+, Core Java, JavaScript, and Microservices architecture Strong knowledge of the Spring Framework (including Spring Boot and Spring MVC) Experience with AWS or other cloud platform Solid understanding of SQL and relational databases (MySQL preferred) Note: A coding exercise will be included … as part of interview process. Responsibilities Develop high-quality software design and architecture using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Maintain code quality, organization, and automation. Implement security More ❯

Location: Leeds (Hybrid working available) Salary: £65,000 - £80,000 per annum + Benefits About the Role: We're looking for a talented and driven Full Stack Java Developer to join our growing team in Leeds. This is a fantastic opportunity for someone who is passionate about technology, enjoys problem-solving, and wants to work on high-impact 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 … 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 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 … 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 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 … 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 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 … 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 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 … 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 More ❯

Java Full Stack Developer (FrontEnd Focus) Location: Farnborough Duration: ASAP - 31/03/2026 Work setup: 3 days onsite UMBRELLA ONLY Key Responsibilities & Skills: * Strong proficiency in Core Java and its associated libraries and features. * In-depth experience with popular Java frameworks such as Spring Boot, Spring MVC, and Hibernate. * Solid understanding of front-end More ❯

Java/Python Tech Developer - Contract role Banking Regulatory Technology Developer London Working as part of the Technology Solutions team you will be responsible for code development projects to map proprietary data models and manage technical queries related to the regulatory technology models and codebase. The nature of the role will be to drive model analysis, code … development, data mapping, and managing technical queries related to the models or codebase.· -Hands on coding in Java and Python, exposure to Domain Specific or Functional Languages, Code Generators, Build and Release best practices, Testing frameworks and using the Github repository and issue management environment. -Assist with business analysis, mapping of proprietary data models and other technical queries relating … to Trading technology and regulatory reporting use cases. Experience & Skills required: High Proficiency of hands on coding ability in Java/Python and has worked in data formats: (JSON, DSL, FpML), Code Editors such as (IntelliJ, PyCharm, VSCode, Eclipse) Preferably Data modelling of financial products, transactions and lifecycle events Proactive worker on Technical projects, able to engage stakeholders and More ❯

Role Title: Java Full Stack Developer (Front-End Focus) Location: Farnborough (3 days on-site per week) Duration: Until 31/03/2026 Day Rate: £297.50 Inside IR35 The Role We are looking for a Java Full Stack Developer (Front-End Focus) to design and develop web applications using Java and modern front-end … frameworks such as React and Angular. You will build scalable, high-performing applications, collaborate with cross-functional teams, and ensure robust, maintainable code. Key Responsibilities * Develop backend services with Java, Spring Boot, Spring MVC, and Hibernate. * Build responsive front-end interfaces using React (16+) and Angular. * Integrate RESTful APIs and maintain high code quality. * Work in Agile/Scrum … teams using CI/CD and GitHub. * Troubleshoot, debug, and optimise applications. * Maintain technical documentation. Essential Skills * Core Java, Spring Boot, Spring MVC, Hibernate * React 16+ and Angular * SQL, JPA, and relational databases * RESTful API development * CI/CD and version control (GitHub) * Agile/Scrum experience Desirable Skills * Cloud platforms (AWS, Azure, GCP) * Docker/Kubernetes * UI/ More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development click apply for More ❯

Job Summary The Java FSE Senior Developer will be responsible for designing, developing, and maintaining software applications using AWS, SQL, Spring Boot, Java, Spring MVC, JavaScript, and MySQL. This is a onsite role, requiring presence at the clients office 5 days a week and follows Agile Scrum methodologies to ensure efficient and collaborative development. We are seeking More ❯

Role:JAVA Full Stack Developer Job Type - Glasgow, Hybrid (3 5 days onsite) The Role As a JAVA Full Stack Lead Software Engineer with our client, you will play a crucial role in an agile team, focusing on the enhancement, construction, and delivery of top-tier technology products in a secure, stable, and scalable manner. Key Responsibilities … to 10, avoid repetition): Hands-on practical experience in System Design, Application Development, Testing, and operational Stability. Experience in developing, debugging, and maintaining with technologies and frameworks such as Java, J2EE, Microservices, Spring Boot, Spring Cloud, Angular, JavaScript, and REST API. Exposure to Database Servers such as Oracle and NoSQL databases such as Cassandra. Knowledge in Database ORM frameworks More ❯

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 9, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering … inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about what should be created, and how it should be … They believe that problems are solved with technology and experience, not process, and that mistakes are a normal part of learning. These roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, Linux, C# or Java; which might have been acquired as More ❯

Contract Back-End Java Engineer – Remote – up to £650 per day 12-month contract (with potential extension) Are you an experienced Back-End Java Engineer with proven experience in the gambling industry This is a fantastic opportunity to work on large-scale, high-traffic platforms for a well-known operator, delivering critical back-end services in a modern … distributed environment.This is a fully remote contract (UK based), initially for 12 months with strong potential to extend.Key Requirements You have strong commercial experience with Java and frameworks such as Spring/Spring Boot. You bring solid cloud experience (preferably AWS) and are confident working with Kubernetes and Docker . You’re skilled with messaging systems and APIs (Kafka … services that power high-traffic gambling platforms. Contributing to the design and architecture of distributed systems that need to be fast, scalable, and secure. Writing clean, reusable, and reliable Java code that follows best practices. Working with databases, caching, and messaging systems to ensure smooth performance and real-time gameplay. Collaborating with Product, QA, Front-End, and DevOps teams More ❯

number of Senior and Lead Software Developers! As part of the engineering team, you would be responsible for designing, developing, and deploying robust, scalable software solutions using technologies like Java, Spring Boot, and AWS. You'd also mentor engineers, contribute to architectural decisions, and collaborate with cross-functional teams to ensure technical excellence and alignment with business goals. Key … Responsibilities: Design, develop, and deploy high-quality, scalable, and secure software solutions using modern technologies such as Java, Spring Boot, and microservices. Lead or contribute to architectural decisions, ensuring alignment with business goals and technical best practices. Mentor and support engineers, fostering a culture of continuous learning, collaboration, and high performance. Collaborate with cross-functional teams including Product, UX … drive improvements in code quality and development processes. Skills & Experience: Experience in full-stack software engineering, including design, development, testing, and deployment of scalable, secure applications. Strong proficiency in Java, Spring Boot, and AWS, with additional experience in Python desirable. Proven ability to lead and mentor engineering teams, drive technical excellence, and promote best practices. Experience designing and implementing More ❯

Overview We are recruiting for an affiliate Java Engineer for a contract to start ASAP. Occasional travel to Manchester. Day rate: £350-450. About AND Digital AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products and stronger digital teams … our mission to close the world's digital skills gap. What you'll bring to the table Experience working on software development projects using languages and technologies such as Java, SpringBoot, Node, React, AWS, Jenkins, Docker, Kubernetes, Kafka and more Champion software quality and technical vision for AND and our clients Champion TDD/BDD/XP Software development More ❯