at Citi. Gain knowledge and exposure to Front Office Trading Systems, Fixed Income, and Derivatives flows. Qualifications: Required 10+ years of programming experience with an Object-oriented language (preferably Java), Multi-Threading and any relational database Solid architectural understanding of enterprise applications Understanding of computing science fundamentals - concurrency, algorithms, data structures, design patterns, etc. Preferred Experience with Java Core, Spring More ❯
Java Software Engineer Our client, a fast-growing payments technology company building next-generation solutions that power seamless, secure transactions around the world are seeking talented Java Engineers to join their collaborative and high-performing engineering team. What You’ll Do Design and build robust Microservices using Java and Spring Boot Work on scalable, event-driven systems that process millions … to deliver high-quality software Contribute to technical discussions, architecture decisions, and best practices Continuously improve system performance, reliability, and security What We’re Looking For Strong experience with Java (11+) and Spring Boot Solid understanding of microservices architecture and RESTful APIs Experience with AWS or another cloud platform Familiarity with CI/CD pipelines, Docker, and Kubernetes is a More ❯
Java Software Engineer Our client, a fast-growing payments technology company building next-generation solutions that power seamless, secure transactions around the world are seeking talented Java Engineers to join their collaborative and high-performing engineering team. What You’ll Do Design and build robust Microservices using Java and Spring Boot Work on scalable, event-driven systems that process millions … to deliver high-quality software Contribute to technical discussions, architecture decisions, and best practices Continuously improve system performance, reliability, and security What We’re Looking For Strong experience with Java (11+) and Spring Boot Solid understanding of microservices architecture and RESTful APIs Experience with AWS or another cloud platform Familiarity with CI/CD pipelines, Docker, and Kubernetes is a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Pixelated People
Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience … option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and More ❯
Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience … option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and More ❯
Relocation and sponsorship available. A high-performance trading firm is hiring software engineers to build low-latency systems. Open to junior and senior candidates from any OOP background (C++, Java, C#, etc). No Rust experience required — just a willingness to learn. What we’re looking for: experience building low-latency or high-throughput systems, proficiency in any object-oriented More ❯
to build and develop the platform. This role is suited to someone with 1-2+ years of Golang experience, who is an expert in another language, i.e. Python, Java, C# etc., who can work autonomously and make a fast impact in a dynamic environment. 10+ years software engineering experience in enterprise environments 1+ years golang experience and understanding of More ❯
Expect genuine ownership, technical depth, and direct impact from day one, with occasional travel to customer sites across the UK and internationally. Strong coding skills in Python, C++, or Java Frontend experience with React and TypeScript Interest in AI, robotics, or embedded systems 7% employer pension Free meals, private health & dental High autonomy in an engineering-led culture World-class More ❯
Ensure data is trustworthy, accessible, and reusable Support compliance with global data regulations Good working experience in data engineering Strong SQL & relational DBs (Postgres/MySQL) Coding experience in Java/Scala Cloud (AWS preferred) + Infrastructure-as-Code familiarity Solid understanding of ETL/ELT and data modeling Iceberg/Delta/Hudi, Airflow/Dagster/Prefect, Python More ❯
end then this is the one. They've already hit seven figure recurring revenue in under 12 months and are completely redefining the industry the product sits within. Stack Java, Python, JavaScript 5-days a week in person, London Software Engineers that are building/want to build 0-1... let's chat. More ❯
end then this is the one. They've already hit seven figure recurring revenue in under 12 months and are completely redefining the industry the product sits within. Stack Java, Python, JavaScript 5-days a week in person, London Software Engineers that are building/want to build 0-1... let's chat. More ❯
end then this is the one. They've already hit seven figure recurring revenue in under 12 months and are completely redefining the industry the product sits within. Stack Java, Python, JavaScript 5-days a week in person, London Software Engineers that are building/want to build 0-1... let's chat. More ❯
london (city of london), south east england, united kingdom
LinuxRecruit
end then this is the one. They've already hit seven figure recurring revenue in under 12 months and are completely redefining the industry the product sits within. Stack Java, Python, JavaScript 5-days a week in person, London Software Engineers that are building/want to build 0-1... let's chat. More ❯
+ Bonus + Bens Key skills: Experience working as a Cash Equities Trading Support Analyst FIX SQL Windows Linux Fidessa or Raptor or TMS or similar Desirable SQL Java Python Responsibilities: Support as part of a global technical team which covers Front office, Middle office users of the investment banking division on cash equities and derivatives. Level 1 and Level More ❯
designing, developing, and implementing a new Endur system. Work closely with business and technology teams to deliver innovative solutions across the trading lifecycle. Build and optimize Endur objects, JVS Java, and SQL solutions. Contribute to all stages of the project, from design and development to testing, deployment, and post-implementation support. What we’re looking for: Proven experience with Endur More ❯
+ Bonus + Bens Key skills: Experience working as a Cash Equities Trading Support Analyst FIX SQL Windows Linux Fidessa or Raptor or TMS or similar Desirable SQL Java Python Responsibilities: Support as part of a global technical team which covers Front office, Middle office users of the investment banking division on cash equities and derivatives. Level 1 and Level More ❯
designing, developing, and implementing a new Endur system. Work closely with business and technology teams to deliver innovative solutions across the trading lifecycle. Build and optimize Endur objects, JVS Java, and SQL solutions. Contribute to all stages of the project, from design and development to testing, deployment, and post-implementation support. What we’re looking for: Proven experience with Endur More ❯
+ Bonus + Bens Key skills: Experience working as a Cash Equities Trading Support Analyst FIX SQL Windows Linux Fidessa or Raptor or TMS or similar Desirable SQL Java Python Responsibilities: Support as part of a global technical team which covers Front office, Middle office users of the investment banking division on cash equities and derivatives. Level 1 and Level More ❯
designing, developing, and implementing a new Endur system. Work closely with business and technology teams to deliver innovative solutions across the trading lifecycle. Build and optimize Endur objects, JVS Java, and SQL solutions. Contribute to all stages of the project, from design and development to testing, deployment, and post-implementation support. What we’re looking for: Proven experience with Endur More ❯
london (city of london), south east england, united kingdom
Scot Lewis Associates
+ Bonus + Bens Key skills: Experience working as a Cash Equities Trading Support Analyst FIX SQL Windows Linux Fidessa or Raptor or TMS or similar Desirable SQL Java Python Responsibilities: Support as part of a global technical team which covers Front office, Middle office users of the investment banking division on cash equities and derivatives. Level 1 and Level More ❯
london (city of london), south east england, united kingdom
Cititec
designing, developing, and implementing a new Endur system. Work closely with business and technology teams to deliver innovative solutions across the trading lifecycle. Build and optimize Endur objects, JVS Java, and SQL solutions. Contribute to all stages of the project, from design and development to testing, deployment, and post-implementation support. What we’re looking for: Proven experience with Endur More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
working with VMware, Bare Metal Infrastructure etc) Containerisation/Orchestration with Kubernetes Extensive CI/CD work (ideally with Jenkins, or equivalents) Scripting experience with Python, Bash, Shell or Java Strong knowledge across Automation, Networking, Linux and Security These positions range in salary offering £80-120K, dependant on experience and Seniority, and operates a hybrid working model (3 office More ❯
working with VMware, Bare Metal Infrastructure etc) Containerisation/Orchestration with Kubernetes Extensive CI/CD work (ideally with Jenkins, or equivalents) Scripting experience with Python, Bash, Shell or Java Strong knowledge across Automation, Networking, Linux and Security These positions range in salary offering £80-120K, dependant on experience and Seniority, and operates a hybrid working model (3 office More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Airswift
/System i/AS400) development using RPG (fixed & free format) and CL. Proficiency with XML, MQ Series, SFTP, and SQL. Excellent communication and documentation skills. Nice-to-Have: Java development on IBM i. Experience with Control-M job scheduling. Familiarity with Turnover change control tools. More ❯
/System i/AS400) development using RPG (fixed & free format) and CL. Proficiency with XML, MQ Series, SFTP, and SQL. Excellent communication and documentation skills. Nice-to-Have: Java development on IBM i. Experience with Control-M job scheduling. Familiarity with Turnover change control tools. More ❯