Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Halian
Senior JavaDeveloper - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced JavaDeveloper to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer …/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Eden Scott
UK remote (willing to travel to Glasgow office once per quarter) A leading SaaS organisation is looking for a Senior JavaDeveloper to join its expanding technology team. You’ll contribute to the ongoing development of a next-generation platform, with a strong focus on high-performance search … data processing. This is a fantastic opportunity to work on impactful technology in a forward-thinking, data-driven environment. Your Role As a Senior JavaDeveloper, you’ll be instrumental in building and evolving a resilient data platform that underpins key SaaS offerings. You’ll work closely with … real value from complex data. Key Responsibilities Write clean, maintainable, and well-tested code following Agile and TDD practices Contribute to both backend services (Java) and modern front-end frameworks (React/TypeScript) Develop and fine-tune search functionality using technologies like Lucene, Solr, or OpenSearch Collaborate with Data More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Eden Scott
in the Scottish market UK remote (willing to travel to Glasgow office once per quarter) A leading SaaS organisation is looking for a Senior JavaDeveloper to join its expanding technology team. You’ll contribute to the ongoing development of a next-generation platform, with a strong focus … data processing. This is a fantastic opportunity to work on impactful technology in a forward-thinking, data-driven environment. Your Role As a Senior JavaDeveloper, you’ll be instrumental in building and evolving a resilient data platform that underpins key SaaS offerings. You’ll work closely with … real value from complex data. Key Responsibilities Write clean, maintainable, and well-tested code following Agile and TDD practices Contribute to both backend services (Java) and modern front-end frameworks (React/TypeScript) Develop and fine-tune search functionality using technologies like Lucene, Solr, or OpenSearch Collaborate with Data More ❯
Paisley, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: A leading SaaS organisation is looking for a Senior JavaDeveloper to join its expanding technology team. You’ll contribute to the ongoing development of a next-generation platform, with a strong focus on high-performance search capabilities and … data processing. This is a fantastic opportunity to work on impactful technology in a forward-thinking, data-driven environment. Your Role As a Senior JavaDeveloper, you’ll be instrumental in building and evolving a resilient data platform that underpins key SaaS offerings. You’ll work closely with … real value from complex data. Key Responsibilities Write clean, maintainable, and well-tested code following Agile and TDD practices Contribute to both backend services (Java) and modern front-end frameworks (React/TypeScript) Develop and fine-tune search functionality using technologies like Lucene, Solr, or OpenSearch Collaborate with Data More ❯
Senior JavaDeveloper - Market Data - FX Options Technology - VP - London About Citi As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the … the financial sector. We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels. About FX Tech Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the …/What will you do: The FX Options Market Data System is going through significant reengineering and modernisation. We are looking for an experienced Javadeveloper and technologist to take a hands-on role and contribute to the design and delivery of the system. Deliver features and enhancements More ❯
For one of our key clients, I am currently looking for a Principal JavaDeveloper . This is a freelance/contract position, offering a hybrid working setup. Our client is looking for an independent full-stack developer who, based on his or her expertise and experience … DevOps specialists, contributing to the design and development of microservices tied to a communications management platform. Skills & Experience: 5+ years of demonstrable experience with Java and Spring Boot 3+ years of demonstrable experience with Agile/Scrum development methodologies Strong proficiency with TypeScript , JavaScript , HTML and/or CSS … Experience with CI/CD tools Result-orientated and self-starting ability Fluency in English, Dutch is a plus Are you the JavaDeveloper I am looking for? Send your CV and contact details to , and I will contact you as soon as I can! We will endeavour More ❯
For one of our key clients, I am currently looking for a Principal JavaDeveloper . This is a freelance/contract position, offering a hybrid working setup. Our client is looking for an independent full-stack developer who, based on his or her expertise and experience … DevOps specialists, contributing to the design and development of microservices tied to a communications management platform. Skills & Experience: 5+ years of demonstrable experience with Java and Spring Boot 3+ years of demonstrable experience with Agile/Scrum development methodologies Strong proficiency with TypeScript , JavaScript , HTML and/or CSS … Experience with CI/CD tools Result-orientated and self-starting ability Fluency in English, Dutch is a plus Are you the JavaDeveloper I am looking for? Send your CV and contact details to , and I will contact you as soon as I can! We will endeavour More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Stealth IT Consulting Limited
JavaDeveloper Spring Boot/Node.js/JS Digital Consultancy Permanent Role Remote working with some travel Salary £55k-£70k + Bonus Were looking for Developed Vetting-cleared Full Stack Java Engineers to join a globally recognised Digital Consultancy at a pivotal moment in their technology evolution. … this level of clearance will not be considered. Key Responsibilities : Work on impactful, high-security projects requiring DV clearance. Develop and enhance microservices using Java Spring Boot and Node.js. Contribute to the companys exploration of AI technologies with opportunities to work with AI languages and tools. Collaborate in a … Experience : DV Clearance This is a must. Only candidates with Developed Vetting clearance can be considered for this role. Proven experience building microservices with Java Spring Boot. Experience with Node.js is a bonus. Strong background in front-end development with some experience in JavaScript/TypeScript, ideally including React More ❯
London, England, United Kingdom Hybrid / WFH Options
TN United Kingdom
Social network you want to login/join with: Lead Market Connectivity Developer – Java Equities Vol, London Client: Oxford Knight Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: ed6fac5e9676 Job Views: 11 Posted: 26.04.2025 Expiry Date: 10.06.2025 Job Description: Experience: 5+ years … Summary: Great opportunity for a skilled Javadeveloper to join one of the world’s most prestigious hedge funds. You will develop Market Connectivity applications that enable trading of single-stock, complex, index options, and options on futures worldwide. You will join a global Equities Vol team, collaborating … if successful. The ideal candidate will have excellent communication skills, capable of engaging with both technical and business stakeholders. Skills and Experience Required: Substantial Java experience, including multi-threaded/server applications Hands-on lead developer experience in a financial institution Knowledge of FIX protocol (e.g., FIX 4.2 More ❯
London, England, United Kingdom Hybrid / WFH Options
Babcock
JavaDeveloper – Spring Boot/Node.js/JS Digital Consultancy Permanent Role – Remote working with some travel Salary £55k-£70k + Bonus We’re looking for Developed Vetting-cleared Full Stack Java Engineers to join a globally recognised Digital Consultancy at a pivotal moment in their technology … this level of clearance will not be considered. Key Responsibilities : Work on impactful, high-security projects requiring DV clearance. Develop and enhance microservices using Java Spring Boot and Node.js. Contribute to the company’s exploration of AI technologies with opportunities to work with AI languages and tools. Collaborate in … Experience : DV Clearance – This is a must. Only candidates with Developed Vetting clearance can be considered for this role. Proven experience building microservices with Java Spring Boot. Experience with Node.js is a bonus. Strong background in front-end development with some experience in JavaScript/TypeScript, ideally including React More ❯
London, England, United Kingdom Hybrid / WFH Options
Montash
sector project focused on building secure, high-performance digital services using enterprise-grade microservice architecture. We are currently looking for an Actively SC-cleared JavaDeveloper to join a high-impact team working on a mission-critical government platform. This is a fantastic opportunity to contribute to meaningful … Media and IT Services and IT Consulting Referrals increase your chances of interviewing at Montash by 2x Sign in to set job alerts for “Java Software Engineer” roles. London, England, United Kingdom 1 week ago London, England, United Kingdom 1 month ago Software Engineer (Backend or Full-Stack) Basingstoke … England, United Kingdom 7 hours ago Glasgow, Scotland, United Kingdom 11 hours ago Freelance Software Developer (Java) - AI Trainer Edinburgh, Scotland, United Kingdom 2 days ago United Kingdom $100,000.00-$150,000.00 2 weeks ago Glasgow, Scotland, United Kingdom 3 weeks ago Glasgow, Scotland, United Kingdom 1 week More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: SC Cleared Full Stack JavaDeveloper, London Client: TechShack Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Full Stack JavaDeveloper – SC Cleared … Not Sponsored) Fully Remote (UK-Based) | 6 Months | Outside IR35 We’re hiring a Full Stack Developer for a high-impact public sector programme. You’ll be joining a delivery team building secure, scalable digital services used across government. Contract Overview: Security Clearance: Active SC clearance required (no sponsorship … Location: Fully remote (UK-based only) Technologies: Node.js, Java Ideal for contractors who: Have active SC clearance Want a straightforward, remote contract Can confidently deliver in a government or consultancy setting Interested? Please send your CV if you’d like to be considered. #J-18808-Ljbffr More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: JavaDeveloper – Market Connectivity – Equities (Contract), Slough Client: Vertus Partners Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Senior JavaDeveloper – Market Connectivity … Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that connects to external trading venues and market data providers. What You'll Do: Build … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g., FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Onyx-Conseil
On behalf of DWP we are looking for a JavaDeveloper for a 12 month (Inside IR35) contract. Hybrid working with 2 3 days per week required in either Manchester, Leeds, Birmingham or Newcastle. The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child … the most vulnerable in society * Improve experience of our services while maximising value for money for the taxpayer. We are looking for an outstanding JavaDeveloper, who can make a positive impact, and wants to contribute to the most demanding and exciting new digital service for the UK … postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.) * Recent experience with Java 17 (or later). * Excellent understanding of TDD and BDD. * Experience with large microservice architectures. * Experience of working in an Agile environment. * Have experience More ❯
About Us At Citi, we are committed to improving developer productivity across the organization. Our team focuses on building innovative DevSecOps solutions that empower developers to deliver secure and high-quality software efficiently. We contribute to open-source projects, particularly around the CycloneDX SBOM standard, and leverage cutting-edge … technologies to create impactful tools and integrations. Key Responsibilities: Design, develop, and maintain APIs and microservices using Java 21, Java 8, Project Reactor, and Spring WebFlux. Build and enhance SCA plugins for Gradle, Maven, and npm to identify vulnerabilities. Develop integrations with tools such as GitHub, SonarQube, TeamCity … Collaborate with cross-functional teams to implement DevSecOps practices, including SCA, SAST, shift-left, and secure SDLC. Required Skills and Experience: Strong proficiency in Java (Java 21 and Java 8). Experience with reactive programming (Project Reactor, Spring WebFlux). Solid understanding of DevOps and DevSecOps principles More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: JavaDeveloper – Market Connectivity – Equities (Contract), london col-narrow-left Client: Vertus Partners Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: Senior JavaDeveloper – Market Connectivity – Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that connects to external trading venues and … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g. FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
you want to login/join with: In partnership with one of the world's leading investment banks, Synechron is seeking an accomplished Junior JavaDeveloper (2-3 years of experience) to join the counterparty risk team, focusing on high-volume options within the Prime Brokerage division. The … JavaDeveloper will handle large data sets and perform high-performance, low-latency risk calculations across all asset classes. Prior experience in this specific area is not required. Required skills and experience include: Strong Java development skills with approximately 2-3 years of experience Proactive, quick learner More ❯
Maidstone, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Javadeveloper looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems independently … Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and … building scalable and secure web applications, and participating in the entire software lifecycle—from gathering requirements to deploying solutions. If you are an experienced developer who enjoys working autonomously and is comfortable working in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal More ❯
Hemel Hempstead, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Javadeveloper looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems independently … Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and … building scalable and secure web applications, and participating in the entire software lifecycle—from gathering requirements to deploying solutions. If you are an experienced developer who enjoys working autonomously and is comfortable working in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal More ❯
Peterborough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Javadeveloper looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems independently … be for you: Virtual job fairs Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and … building scalable and secure web applications, and participating in the entire software lifecycle—from gathering requirements to deploying solutions. If you are an experienced developer who enjoys working autonomously and is comfortable working in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: JavaDeveloper – Market Connectivity – Equities (Contract), london (city of london) col-narrow-left Client: Vertus Partners Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 16.06.2025 … Expiry Date: 31.07.2025 col-wide Job Description: Senior JavaDeveloper – Market Connectivity – Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g. FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯
On behalf of DWP, we are looking for a JavaDeveloper for a 12-month (Inside IR35) contract. Hybrid working with 2-3 days per week required in either Manchester, Leeds, Birmingham, or Newcastle. The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child … including the most vulnerable in society. Improve the experience of our services while maximizing value for money for the taxpayer. We seek an outstanding JavaDeveloper who can make a positive impact and contribute to the UK's most demanding digital service for government. Your work will help … Preference may be given to those with active security clearance due to the short-term nature and urgency of the role. Recent experience with Java 17 or later. Experience with large microservice architectures. Experience working in an Agile environment. Ability to communicate technical concepts to non-technical audiences. Knowledge More ❯
London, England, United Kingdom Hybrid / WFH Options
Avature
On behalf of DWP, we are looking for a JavaDeveloper for a 12-month (Inside IR35) contract. Hybrid working with 2-3 days per week required in either Manchester, Leeds, Birmingham, or Newcastle. The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child … including the most vulnerable in society. Improve the experience of our services while maximizing value for money for the taxpayer. We seek an outstanding JavaDeveloper who can make a positive impact and contribute to the UK's most demanding digital service for government. Your work will help … Preference may be given to those with active security clearance due to the short-term nature and urgency of the role. Recent experience with Java 17 or later. Experience with large microservice architectures. Experience working in an Agile environment. Ability to communicate technical concepts to non-technical audiences. Knowledge More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Stealth IT Consulting Limited
Java Fullstack Developer Hybrid Remote | Up to £55k (DOE) | Leading Digital Consultancy Ready to level up your development career? Join one of the UKs most exciting and fast-growing digital consultancies as a Java Fullstack Developer , and play a key role in delivering innovative solutions for … a forward-thinking team. What Youll Do: As a key part of our engineering team, youll: Build and maintain scalable full-stack applications using Java (Spring Boot) and JavaScript/TypeScript (React) . Contribute to major projects from day one, working closely with cross-functional teams in a highly … Work on impactful government and public sector projects, enhancing services millions rely on. What Youll Bring: Eligibility for security clearance (UK-based only) Strong Java backend development skills (Spring Boot) Solid experience with JavaScript/TypeScript , ideally with React Hands-on familiarity with GIT, CI/CD , and modern More ❯
London, England, United Kingdom Hybrid / WFH Options
Stott and May
JavaDeveloper (hybrid) Start: ASAP Duration: initial 6-months Location: Hybrid, 3 days on site in Canary Wharf Pay: Inside IR35, paying up to £425/day Key Responsibilities: - Design and implement high-performance messaging middleware and frameworks. - Build resilient, scalable applications capable of handling large volumes of … real-time trading data. - Drive improvements in the SDLC through enhanced testing, configuration, and developer experience (shift-left approach). Essential Skills & Experience: - Expertise in low-latency distributed platforms for real-time trading. - Experience with elastic architectures handling high/bursty data loads. - Proficiency in modern tools and platforms … such as Kubernetes, Kafka, MongoDB, RocksDB, MemSQL, Prometheus, Tempo, and Snowflake. - Strong Java development skills and experience with distributed systems. - Exposure to Python, DevOps, cloud computing, or stream processing is a plus. - A collaborative mindset with a passion for innovation and problem-solving. Desirable: - 5+ years in JavaMore ❯