51 to 75 of 444 Java Engineer Jobs in London

Social network you want to login/join with: ? Senior Java Engineer (Outside IR35) – Kafka & Spring Boot, london col-narrow-left Client: Pixelated People Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 10.06.2025 Expiry Date: 25.07.2025 col … in-person attendance is only occasionally required for team meetups or workshops – always with advance notice. The Role We’re looking for a Senior Java Engineer who thrives in the world of Kafka and Spring Boot. You’ll play a key role in crafting a secure, distributed backend … frontend specialists to create reliable backend services that keep people and teams connected when it matters most. Architect and build event-driven microservices using Java, Spring Boot, and Kafka Be responsible for the backend engineering for secure, distributed real-time systems Design and deliver rock-solid APIs in collaboration More ❯

Job Title: AI Solutions Engineer (Java Focus) Location: Remote (UK/EU Preferred) with occasional face-to-face meetings Commitment: Full-Time (or Flexible Arrangement, Depending on Candidate Preference) Reporting to: Chief Technology Officer About Valsoft: Valsoft specialises in acquiring and growing vertical market software companies. Our mission … process and operates a decentralised model, fostering rapid growth through reinvestment in its portfolio. About the Role: We are looking for an AI Solutions Engineer specializing in the Java stack. In this role, you’ll work end-to-end—from collaborating with product managers, internal stakeholders, and cross … functional teams on defining requirements, to employing AI tools that streamline coding, testing, and deployment. You’ll develop secure, scalable solutions using Java-based frameworks and ensure continuous integration and delivery through modern DevOps practices. Key Responsibilities: Requirements Definition & Stakeholder Collaboration Engage with product managers, internal stakeholders, and cross More ❯

Lead Software Engineer - Java, Spring Boot, Microservices Join to apply for the Lead Software Engineer - Java, Spring Boot, Microservices role at Kanzlei Ganz Gärtner Lindberg Slania . This role involves leading the design, development, and deployment of high-quality software solutions across the UK. You will … timelines and deliverables. Participate in bid responses and technical assessments during hiring processes. About You Professional Experience: Extensive full-stack software engineering experience with Java, Spring Boot, and Microservices. Proficiency in multiple programming languages such as Python, JavaScript. Experience with cloud platforms (AWS, Azure, GCP) and infrastructure as code. … roles, large projects, and line management. Experience with technical recruitment and bid responses. Skills Designing scalable, secure architectures. Cloud deployment strategies. Proficiency in Python, Java, Node.js, etc. Automating deployment and monitoring. Automated testing frameworks. Effective communication with stakeholders. Values & Behaviours Client-focused, professional, and creative approach. Accountability and leading More ❯

Join to apply for the JAVA Software Engineer role at LinkedTrade . LinkedTrade Technologies is a leading SaaS multi-issuer platform that transforms the structured products industry. Built on the latest technologies, LinkedTrade connects private banks, asset managers, and distributors to issuers and investment banks, offering end-to … friendly platform tailored to our clients' needs. Our solutions outperform traditional services, enabling live pricing and trading for structured products with most issuers. The Java engineer is expected to have strong technical expertise, experience in digital platforms, and good mentoring skills. The candidate should enjoy working in a … startup-like environment and collaborate well with our team. Key Responsibilities Back-end application development Coordination with our Lead Java engineer Working with Pre-Sales to discuss, identify, and propose technical solutions Reporting to the CTO and participating in software development teams Requirements and Skills At least More ❯

Java Engineer in Quality Team Department: Software Engineering Employment Type: Permanent - Full Time Location: Remote, UK Description WHAT WE NEED Within Hazelcast our Quality Engineering team is dedicated to maintaining the highest standards of software quality for our customers. As part of our team you will be among … fellow skilled quality engineers whose focus is to ensure our Java-based real-time distributed storage and stream processing platform meets rigorous quality benchmarks. We are looking for a Java Engineer who is interested in moving into an SDET position within our Product Quality team. In this … Investigate test failures and work closely with developers to diagnose and resolve defects and issues. WHAT YOU HAVE 3+ years of backend, system-level Java development experience. Desirable: A passion for quality as well as for both detecting and preventing defects. Excellent analytical and troubleshooting skills with attention to More ❯

Backend Software Engineer/Developer (Spring Boot SQL API) London to £80k Well established trading brokerage is seeking a Backend Software Engineer with strong Java experience, as they expand into UK markets. As a Backend Software Engineer, you'll join a small technology team building Greenfield … development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on backend Java development and API implementation within an AWS environment. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based … offices with smart dress code on a fulltime basis. About you: You are an experienced Backend Software Engineer/Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong Spring Boot experience You have a good knowledge of SQL/ More ❯

Backend Software Engineer/Developer (Spring Boot SQL API) London to £80k Well established trading brokerage is seeking a Backend Software Engineer with strong Java experience, as they expand into UK markets. As a Backend Software Engineer, you'll join a small technology team building Greenfield … development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on backend Java development and API implementation within an AWS environment. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based … offices with smart dress code on a fulltime basis. About you: You are an experienced Backend Software Engineer/Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong Spring Boot experience You have a good knowledge of SQL/ More ❯

Backend Software Engineer/Developer (Spring Boot SQL API) London to £80k Well established trading brokerage is seeking a Backend Software Engineer with strong Java experience, as they expand into UK markets. As a Backend Software Engineer, you'll join a small technology team building Greenfield … development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on backend Java development and API implementation within an AWS environment. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based … offices with smart dress code on a fulltime basis. About you: You are an experienced Backend Software Engineer/Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong Spring Boot experience You have a good knowledge of SQL/ More ❯

Backend Software Engineer/Developer (Spring Boot SQL API) London to £80k Well established trading brokerage is seeking a Backend Software Engineer with strong Java experience, as they expand into UK markets. As a Backend Software Engineer, you'll join a small technology team building Greenfield … development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications with a focus on backend Java development and API implementation within an AWS environment. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based … offices with smart dress code on a fulltime basis. About you: You are an experienced Backend Software Engineer/Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong Spring Boot experience You have a good knowledge of SQL/ More ❯

Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD … WFH: You can work from home from most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems More ❯

Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD … WFH: You can work from home from most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems More ❯

Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD … WFH: You can work from home from most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems More ❯

Java Software Engineer/Developer WFH to £100k Are you a skilled Java Software Engineer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD … WFH: You can work from home from most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems More ❯

Social network you want to login/join with: Java Software Engineer, London (City of London) Client: Switch Tech Talent Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 10.06.2025 Expiry Date: 25.07.2025 Job Description: Role: Java Software Engineer/Java Developer Location: Central London (EC2M) - hybrid 2 days a week onsite Key Skills: Core Java/SE, XML, JSON, Junit, APIs, complex/high-traffic systems A leading global B2B SaaS technology company is seeking Java Developers at all levels (junior … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯

Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across … Java and Ruby . This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate … pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale critical infrastructure Contributing to performance optimisation, secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy More ❯