25 of 25 Java Engineer Jobs in London

Senior Java Engineer (Azure) - Finance - London Daily rate: €500 - €700 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior Java Engineer with Azure and Kafka experience to join the team on a freelance … basis. We are specifically looking for an individual with strong Core Java expertise, as this role primarily involves server-side development. Must be based in the UK and happy to be on site 8 days per month which is mandatory. Responsibilities & Duties Working as part of an Agile development ...

Role: Lead Java Engineer - Risk & Compliance Platform Location: London (hybrid) Salary: £125,000 - £150,000 + Bonus Are you an exceptional Java engineer ready to step into a true leadership role within one of the most critical platforms in global banking? We're working with … tier financial institution who are expanding their Risk & Compliance Platform Team and are looking for a Lead Engineer to help shape and deliver large-scale, business-critical systems across Market and Credit Risk. You'll be responsible for designing, building, testing and implementing high-quality software across the full ...

Senior Java Engineer (Azure) - Finance - London Daily rate: €500 - €700 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior Java Engineer with Azure and Kafka experience to join the team on a freelance ...

Java Software Engineer Active SC Clearance Contract Length: Initial 3-month contract £400-£480pd (Inside IR35) Working Pattern: Flexible fortnightly on-site visit to a convenient Available Locations: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London Role Overview We are seeking an experienced Java Software Engineer … quality software in a collaborative, fast-paced environment, contributing to systems used by both internal and external users. Key Responsibilities Design, develop, and maintain Java-based microservices using modern development practices Implement and maintain APIs for internal and external consumption Work in a TDD/BDD environment, building robust ...

Java Software Engineer Active SC Clearance Contract Length: Initial 3-month contract £400-£480pd (Inside IR35) Working Pattern: Flexible fortnightly on-site visit to a convenient Available Locations: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London Role Overview We are seeking an experienced Java Software Engineer ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack … MUST have 5+ years experience in data or software engineering within financial services or a similar regulated industry. Strong full-stack experience with Python , Java (Spring Boot) , React , SQL, and relational databases. Hands-on experience with modern data engineering tools (e.g. Airflow, Spark, Kafka, dbt, Snowflake or similar). ...

Integration Engineer - Java 8, MQTT £Market Rate (Outside IR35) Remote/London 3 Months My client is seeking an Integration Engineer to design and implement an integration layer using Java 8 and MQTT, supporting real-time processing and back-office updates. This is a hands … engineering role involving development, testing, and close collaboration with customer stakeholders as the POC evolves into a production-ready solution. Key requirements: Strong commercial Java 8 development experience Proven background with MQTT integrations Experience with PostgreSQL databases Comfortable working in SuSE Linux Enterprise environments Ability to deliver clean, testable ...

Integration Engineer - Java 8, MQTT £Market Rate (Outside IR35) Remote/London 3 Months My client is seeking an Integration Engineer to design and implement an integration layer using Java 8 and MQTT, supporting real-time processing and back-office updates click apply for full ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack ...

Full Stack Engineer/Developer (Java AWS React) London/WFH to £80k Are you a Java technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start … small team of finance and technology entrepreneurs with a hugely successful track record. As a Full Stack Engineer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that ...

Role Senior Java Software Engineer Salary £80,000 to £95,000 base salary Location London Paddington Hybrid 3 days a week The Company WeDo is working with a global fintech organisation operating at significant scale within the payments space. The business builds and runs mission critical platforms responsible … architectural ownership, and a strong understanding of the business impact of their work, without stepping into people management. Requirements - Strong backend engineering experience using Java and Spring Boot - Proven experience working with event driven architectures and Kafka - Experience designing and operating systems in AWS environments - Exposure to services such ...

Full Stack Java Software Engineer (React.Js) required for my client in London. Paying £50k-£75k. My client are a growing B2B & B2C technology company. They require a Full Stack Java Software Engineer (React.Js) to join them on a full-time basis. This role is remote … there is expectation to ideally go to the office 1 day per week in London. Required experience Java 18+ experience Spring/Spring Boot PostgreSQL or similar Maven/Gradle REST APIs Microservices React.Js Desirable: Vue.Js experience ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods ...

Contract Role – FX e Trading Senior Full Stack Engineer (React TypeScript + Java) – London/Hybrid – 12 months initial – Inside IR35 As a FX e Trading Senior Full Stack Engineer (React TypeScript + Java) as a technically strong, hands-on engineer who understands both trading … modern full-stack architecture and can lead delivery of a mission-critical trading platform. Role Overview: Job Title: FX e Trading Senior Full Stack Engineer (React TypeScript + Java) Location: Hybrid – up to 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate ...

Lead/Senior Software Engineer for 12 month contract on site in London. Working for a Big 4 professional services firm delivering software projects. Java, Python, Cloud Native AWS, AI, DevOps, CI/CD - Jenkins/GitLab Lead/Senior Java/Python EngineersBig 4 Consultancy … month contract On site in London Location : London (5 days in office) Duration 12 months Key Skills Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud environments. Advanced knowledge of cloud-based ...

Full Stack Engineer/Developer (Java AWS React) London/WFH to £80k Are you a Java technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start ...

Lead/Senior Java/Python Engineers Big 4 Consultancy 12 month contract On site in London Location : London (5 days in office) Duration 12 months Key Skills Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing ...

Vitality Offices. Full time hours. We are happy to discuss flexible working! Top 3 skills required: To be fully proficient in Java Familiarity with DevOps tools To be able to identify key areas of improvement within Vitality's processes and standards What this role is all about: Software Engineers … thrive? Demonstrable expertise with 5+ years of experience in the use of appropriate tools/technologies for the design, development, build, testing & deployment of Java/JEE applications. Understanding of Agile Methodologies Demonstrated expertise with Spring Boot Demonstrable experience in integrating disparate applications and technologies using Java Experience ...

Lead Software Engineer Lead (Java/Python, Cloud & AI) Location : London (5 days in office) Duration 12 months Competitive Day Rate (Inside IR35) Key Expectations from the role: Technical leadership and architecture Delivery ownership AI/ML solution stewardship People leadership Stakeholder and product partnership Controls and governance … Skills: Expert level proficiency in Java and/or Python. Cloud-native systems on AWS (compute, storage, networking, IAM, KMS, observability). Demonstrated success in leading teams Deep understanding of AI/ML solutions implementation, with emphasis on LLM applications and retrieval-augmented generation. Expertise in modern SDLC ...

Automation Engineer Hybrid London (2 days/week) Up to £60,000 + Benefits We're partnering with a fast-growing WealthTech scale-up to hire a QA Automation Engineer to join one of their cross-functional product squads. This is a hands-on role focused on expanding … test documentation and planning Support CI/CD pipelines and release quality What we're looking for: 4+ years' experience in QA Automation Strong Java or Kotlin skills and OOP fundamentals API testing experience (Postman, RestAssured, Swagger) UI automation with Selenium/Playwright SQL and data validation skills Familiarity ...

Senior Java/Python Engineer Location : London (5 days in office) Duration 12 months Competitive Day Rate (Inside IR35) Key Skills: Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud ...

Senior Full Stack Engineer – FX e-trading – Java/React Duration: 12 months Pay: £759-900/day (PAYE/umbrella) Location: London (hybrid working – 2 days onsite) Senior Full-Stack Engineer – FX e-Trading (React/TypeScript + Java) About the role Help architect … What you’ll do Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows ...

Location: Canary Wharf(Hybrid, 2 days p/w onsite)Pay Rate: £500-£550 (outside) Duration: 6 monthsTech Stack:- Essential: Java, Angular, Azure cloud services- Desirable: React I am currently looking for an experienced Full Stack Developer to join a major transformation programme within a global financial institution. … digital platforms with a strong engineering culture and a cloud-first approach. What You'll Be Working On Building and enhancing backend services using Java Developing responsive, user-focused front-end interfaces primarily in Angular Supporting cloud-native delivery using Azure Services Collaborating with architects, product teams, and fellow ...

Sinai, and Mass General Brigham, and is scaling across the UK and US with proven outcomes and growing demand. The Role As a Backend Engineer , youll build the secure, scalable systems that power Kneus products. Youll work on services and infrastructure that clinicians rely on for decision-making, enable … Collaborate closely with engineering and data teams to deliver high-quality outcomes Requirements 2+ years backend engineering commercial experience 1+ year commercial experience with Java and Spring Boot Experience building and maintaining RESTful APIs Familiarity with microservices and distributed systems Solid understanding of SQL databases , backend architecture, and release ...

Kneu is building the next era of neurology care using clinically validated smartphone monitoring, real-world data, AI insight, and deep clinical integration. Backed by Oxford-led research and FDA clearance, we help care teams ...