City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
You dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies More ❯
Demonstrated production-level experience in at least one of the following: Python (for data pipelines, analytics, machine learning, or scripting tasks). A compiled language (such as Go, Rust, Java, Kotlin, etc.) for services requiring high performance. Practical experience with cloud platforms (like AWS), continuous integration/delivery practices, infrastructure as code, containers, and automated deployment pipelines. A strong security More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
You dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C# ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban More ❯
Senior Java/Kotlin Engineers Our client is looking for multiple Senior Java/Kotlin Engineers to work on a new project 3 days a week in London Candidates must be UK based, they will not provide sponsorship. Tech Stack - Java, Kotlin, TDD, Docker/Kubernetes. Salary - £120k - 140k + Pension More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Anson McCade
We are a leading name in defence, aiding Governments, Nations and Societies to defend themselves in an ever-evolving world of cyber crime. We are currently looking for an experienced Tech Lead to join our prestigious Government and Law Enforcement More ❯
Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge More ❯
Are you passionate about data modeling and eager to shape the future of financial markets data? Join our clients rapidly expanding team and help them empower top-tier financial institutions with innovative data solutions. What You'll Do: Helping clients More ❯
employees in the UK. Europe/Britain citizenship required. Onsite expectation: 5 days/week Full-time role Skills: SDE II equivalent, 5-10 years of experience. Full stack Java/React with good front end experience - and React will be important to focus on AWS related skillset, Lambda, Dynamo 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 £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale … architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or integrations where needed Core Skills for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both Java and Python in production systems Proven work with Rust More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
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 £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale … architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or integrations where needed Core Skills for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both Java and Python in production systems Proven work with Rust More ❯
City of London, England, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
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 £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale … architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or integrations where needed Core Skills for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both Java and Python in production systems Proven work with Rust More ❯
Java Development Team Leader London This is a new and exclusive opportunity for a Software Development Team Leader focused on Java Full stack, to join a thriving business as they grow their software development team Role details Title: Development team lead Technical stack: Java full stack- back end and front end, React, Azure Location: London City 1 day a week … in the office leading your team Focus of the role: leading your team of 7 developer 5 back end java developers, 2 front end java react developers Permanent role salary £70-90,000 plus bonus and benefits This is a really interesting role and a great chance to join a team as they are really investing in their software development … have recently spent £35million on an entirely new sales portal, and this investment is continuing This role is for a Software development team lead who will focus on leading Java software development from the front (approx. 50% of the role) and leading the work of the full stack java developers under you- 7 in total. We are looking for a More ❯
West End of London, England, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
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 £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale … architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or integrations where needed Core Skills for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both Java and Python in production systems Proven work with Rust More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
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 £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based systems Collaborating with product and platform teams to scale … architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or integrations where needed Core Skills for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both Java and Python in production systems Proven work with Rust More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
My leading Financial Services client are looking for a Java Technical Lead to take responsibility for the Front Office Derivatives Technology space. You'll deliver key strategic business goals by identifying system changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets. You'll work with development and technology leads in global offices … Trading Derivatives platforms. This is a high profile and strategically very important role. An amazing opportunity! The following skills/experience is required: People Management background Strong back-end Java skills Strong product knowledge (open to Interest Rate, Fixed Income, Credit, FX, Equities) Excellent stakeholder management and communication skills Salary: Up to £150,000 + bonus + package Location: London … good work from home options available) If you are interested in this Java Technical Lead position and meet the above requirements please apply immediately. More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Java Technical Lead - Derivatives, London (City of London) Client: Hunter Bond Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: My leading Financial Services client is looking for a Java Technical Lead to take responsibility … strategic Sales and Trading Derivatives platforms. This is a high-profile and strategically very important role. An exciting opportunity! Required skills and experience: Experienced People Manager Strong back-end Java skills Strong product knowledge (interested in Interest Rate, Fixed Income, Credit, FX, Equities) Experience with Front Office trading systems Excellent stakeholder management and communication skills Salary: Up to … + bonus + package Location: London (good work from home options available) If you meet the above requirements and are interested in this Java Technical Lead position, please apply immediately. #J-18808-Ljbffr More ❯
Social network you want to login/join with: GCP Data Engineer (Java, Spark, ETL), London (City of London) Client: Staffworx Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Proficiency in programming languages such as Python, PySpark, and Java SparkSQL GCP BigQuery Version More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Principal Engineer (Java/Kotlin), London (City of London) Client: Xcede Location: London (City of London), United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Role: Principal Engineer Stack: Java, Kotlin, AWS Location: London, Hybrid (2-4x Month) Xcede More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Xcede
Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a Principal Engineer? You will be leading architectural discussions and acting as the More ❯
Lead Java SDET 💰Up to £125k + bonus + benefits 📍Hybrid (3 days x week in London Office) We are excited to be partnering once again with a global leader in message archiving services as they search for Lead Java SDETs to join their team of 400 developers in the UK. You will oversee testing resources on a small, highly … significant technological growth, they are on a mission to revolutionise secure and high-speed messaging services for clients in some of the most regulated industries globally. As a Lead Java SDET, you will: Lead a small team of SDETs and drive the team's testing and automation strategies Define, automate, and execute test cases to verify product requirements, maintain test … tests, conduct code and test reviews, and enhance test coverage and automation quality. Engage in team planning, story grooming, issue resolution, and support the release process. A good Lead Java SDET will have: A degree in Computer Science or a related field. 8+ years of experience developing native iOS applications using Swift. 2+ years of experience leading a small team More ❯
Senior Java Engineer – Front Office E-Trading - Top Tier Financial Establishment - Associate or VP My client are looking for someone to join a high-impact engineering team, working directly on front-office trading systems under one of their most influential tech leaders. This is a rare opportunity to build cutting-edge E-Trading solutions with strong business sponsorship and minimal … red tape. Specific projects lined up for you include developing high-performance trading systems using Java, microservices, and cloud technologies as well as working alongside senior engineers in a hybrid environment blending modern tech with proven trading architecture. The team is small, dynamic, and provide real ownership with direct business impact from day one. This team is ambitious and has … a real roadmap to be leaders in the E-Trading space. All you require is: Strong Java skills, including multi-threading, GC tuning, and system optimisation. Solid OOP and TDD background; agile mindset. Experience in trading systems a plus, but open to engineers from other fast-paced domains with frequent releases. If you are interested, please interact with this advert More ❯
City of London, London, United Kingdom Hybrid / WFH Options
JCW
Skills: Proven hands-on experience with ForgeRock stack : PingGateway, PingAM, PingIDM, PingDS Deep understanding of IAM protocols and security standards : OAuth2, OIDC, SSO, PKI, WebAuthn, biometrics Strong knowledge of Java keystore, PKCS#11, encryption, token signing , and secure microservices 10+ years of coding experience in Java, JavaScript or Python Experience leading Agile teams and mentoring junior engineers Completion of ForgeRock 4xx More ❯
Road mapping and building future Front Office technology. Managing a team of 10+ developers in the Front Office development team. Key Requirements: Extensive development experience with technologies such as Java, Python, and C++. Bachelor's degree in Computer Science or a related field. Strong experience in a Front Office Trading environment, specifically Derivatives. Leadership skills, both technical and people management. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Undisclosed
tools/apps/processes/domains and proficient in test management methodologies and practices Strong teaming, problem solving and communications skills will be required Desirable Skills Understanding/Java Skills Karate/Selenium/Cucumber/Stash/GIT - Automation skills/Lead Teams using these tools CA Lisa/Rest Assured – Exposure to/Experience API testing teams More ❯