76 to 100 of 129 Java Engineer Jobs in the UK

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

Java Developer – High-Performance Trading Systems - Fully Remote - up to £100k base About the Company We’re a fast-growing proprietary trading firm operating across multiple global cryptocurrency exchanges. Founded by a team with deep experience in financial markets and algorithmic trading, we’ve already achieved top-tier market-maker status, handling trading volumes exceeding $100M per month — all … within our first six months of operation. About the Role We’re looking for a talented Java Developer to join our small, high-performing engineering team. You’ll play a key role in expanding our trading infrastructure, integrating new exchanges, and building scalable, low-latency systems that power our trading strategies. This is an opportunity to work on cutting … edge systems in a start-up environment where your work has a direct and measurable impact. Key Responsibilities Develop and maintain high-performance backend services in Java Deploy code to production frequently in a fast-paced, agile environment Build scalable, event-driven systems handling large volumes of real-time data Take ownership of your code — from design through deployment More ❯

Our client are a high frequency trading firm based in London. They're looking for a back-end Java engineer who will contribute to both sides of the stack. This isn't a typical full-stack role, your time isn't split between backend and frontend work. They have a frontend team in place. You will not be … designing UI. Instead, you will build high-performance Java services that power the trading UI. So yes you need frontend awareness, but your focus is on backend engineering that makes the UI fast and reliable. What you will do: Design and build Java services that feed real-time data to the frontend. Work with the UI team on … back-pressure, and error handling. Improve end-to-end latency by looking across the stack. What you'll bring: Strong knowledge of computer science fundamentals (data structures, algorithms). Java engineering experience in trading, betting, gaming, or streaming. Hands-on work with real-time or data-heavy systems. Comfortable across server and browser. Not essential (but nice-to-have More ❯

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 involves mentoring junior engineers, collaborating with cross-functional teams, and driving … to non-technical stakeholders. About You 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 programming languages (e.g., Python … Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness of principles like well architected and secure by design Desirable Previous experience in More ❯

Software Engineer Permanent - 3 days on site Birmingham £50,000 - £60,000 Diagnostics Software Engineer Team/Reporting Line Based within the Diagnostics Engineering team and reporting directly to the Diagnostics Manager. Role Purpose To support the development, testing, and validation of diagnostic tools used in both dealer workshops and engineering environments. This role is essential to ensuring … working cross-functionally with multiple teams. – Proficient with Git or other version control systems. - Strong problem-solving and analytical skills. - Effective communication skills and ability to work collaboratively. Desirable: - Java development skills. - Prior experience working with diagnostic tools at an OEM or Tier 1 supplier. Qualifications Degree in Software Engineering, Computer Science, Automotive Engineering, or equivalent experience. Location & Working More ❯

Job Role : Java Fullstack Engineer Job Type : Permanent Location : London, UK Work Mode : Hybrid Job Description You will be joining the innovative Information Security Cybertech Engineering team as a full stack software engineer in a global team responsible for developing web applications (Java/Angular), data engineering (Python) and solutions with third party products. You will … Experience writing complex SQL queries (Sybase advantageous). Proficient with UNIX/LINUX operating systems/commands. Understanding of API Services (SOAP, REST, Graph). Programming Language: Proficient in Java EE o with OpenJDK o with Spring 4.0+ Framework o with Spring Boot/Wildfly web servers (or similar) o with Angular 14+ More ❯

C Java Software Engineer – CONTRACT 6 MONTHS – CRAWLEY West Sussex 4 Days on site per week in Crawley OUTSIDE OF IR35 POSITION Key responsibilities will include the design, implementation and test of Runtime and Middleware products, using industry standard tools and methods. ROLE Develop our systems by working as part of a project team to deliver a high … on both land and at sea. Help our strategy by working with the software management function to ensure that skills, technology and ways of working are developed. ESSENTIAL SKILLS Java or C++ Software Design, Code & Test Configuration management (Bitbucket, Artifactory) Change and task management using JIRA, for aspects such as work backlogs, problem report management, action management. Unit testing More ❯

with a clear understanding of their suitability for different tasks Essential Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive … manage and lead engineering teams to success. Expertise in designing scalable and secure software architectures. Desirable Knowledge of emerging technologies like AI Previous, relevant experience as a senior software engineer Leading a large multidisciplinary project Line management experience Experience interviewing and screening candidates Experience responding to bid questions Skills Software Architecture:Expertise in designing scalable, secure, and efficient software … alignment with business goals. Cloud Platforms: Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development:Advanced knowledge of multiple programming languages and frameworks (e.g., Python, Java, Node.js). CI/CD and Automation:Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing:Experience with automated testing frameworks More ❯

company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you'll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you'll contribute directly to architecture … and development, while supporting and mentoring other engineers. It's an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate on architecture and … system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You're an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST/SOAP) Solid More ❯

company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you'll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you'll contribute directly to architecture … and development, while supporting and mentoring other engineers. It's an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate on architecture and … system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You're an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST/SOAP) Solid More ❯

End Date Wednesday 27 August 2025 Flexible Working Options Hybrid Working Job Description Summary . Job Description JOB TITLE: Java Engineering Lead SALARY: £90,440-127,680 per annum LOCATION(S): Edinburgh, Bristol, Manchester, Leeds & Halifax HOURS: Full-time - 35 hours per week WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week … driven organisation on a mission to shape finance as a force for good. As we continue to invest in our people, platforms, and products, we're looking for talented Java Engineering Leads across our platforms to help us build scalable, secure, and customer-centric solutions.You'll join a collaborative, agile environment where you'll leading engineering teams empowering them … ll work with cloud-native technologies, microservices, and CI/CD pipelines to deliver high-quality software that makes a real difference. WHAT YOU'LL BE DOING As a Java Engineering Lead, you'll: Inspire and guide engineering teams , empowering them to design, build, test, and deploy modular, cloud-native applications and APIs. Champion cross-functional collaboration , working closely More ❯

Junior Core Java Developer – Trading £70,000 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 … 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 2-4 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 … 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. More ❯

Junior Core Java Developer – Trading £70,000 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 … 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 2-4 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 … 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. More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯

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 … 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 … 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. More ❯

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 … 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 … 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. More ❯

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 … 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 … 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. More ❯

New Java role - Fully remote (UK) - Trading/Crypto We have a new Java role for a proprietary trading firm aiming to become part of one of the world’s leading Institutional Market-Makers across Cryptocurrency Exchanges. The founding team have a background in financial markets and sports data. They are seeking roughly 2+ years experience with Java … to build the trading volume. From there you will have the opportunity to push the company forward, having input in the ongoing development. Key Responsibilities Develop backend services using Java Deploy code to production daily Ensure quality of codebase is maintained and improved and follow best development practices Write it, own it - You will be responsible for maintaining the … software you write Qualifications, Skills & Experience Degree in STEM subject or equivalent software development experience 2+ years Java programming experience Experience with message passing technologies, in particular Aeron, SBE. Familiar with event driven design patterns and micro service architecture You’ve worked on large scale, distributed systems that operate with large volumes of data. An advocate of engineering best More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯