the ION ecosystem. The role involves building and supporting low-latency, multi-threaded systems for Rates and Credit markets. Key Responsibilities: Develop and maintain trading applications using Java and Spring Framework. Integrate and support ION MarketView, XTP, Fidessa, and Treasury Suite platforms. Collaborate with global teams in Agile environments. Implement RESTful APIs and cloud-native solutions. Required Skills: 10+ More ❯
london (city of london), south east england, united kingdom
Airswift
the ION ecosystem. The role involves building and supporting low-latency, multi-threaded systems for Rates and Credit markets. Key Responsibilities: Develop and maintain trading applications using Java and Spring Framework. Integrate and support ION MarketView, XTP, Fidessa, and Treasury Suite platforms. Collaborate with global teams in Agile environments. Implement RESTful APIs and cloud-native solutions. Required Skills: 10+ More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
team members to deliver value 👨🏫 Mentor junior developers and support their growth 🧠 What You Bring: 💻 Solid commercial experience in Kotlin (Open to those with a java background) 🌱 Experience with Spring Boot , or similar frameworks (e.g. Ktor) 🧩 Strong API-first mindset and clean coding practices 🧪 Knowledge of Agile, peer reviews, pair programming, and test-driven development 📐 Understanding of software design More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
team members to deliver value Mentor junior developers and support their growth What You Bring: Solid commercial experience in Kotlin (Open to those with a java background) Experience with Spring Boot , or similar frameworks (e.g. Ktor) Strong API-first mindset and clean coding practices Knowledge of Agile, peer reviews, pair programming, and test-driven development Understanding of software design More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Formula Recruitment
tooling, and team workflows Help scale backend infrastructure to meet growing product demands Key Requirements: Strong commercial experience in the JVM ecosystem for backend development Confidence to work with Spring Boot or Ktor to build robust microservices Strong ability to write secure, resilient, and well-tested code Ability to align engineering to ambitious commercial objectives Experience in line management More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Formula Recruitment
tooling, and team workflows Help scale backend infrastructure to meet growing product demands Key Requirements: Strong commercial experience in the JVM ecosystem for backend development Confidence to work with Spring Boot or Ktor to build robust microservices Strong ability to write secure, resilient, and well-tested code Ability to align engineering to ambitious commercial objectives Experience in line management More ❯
real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from … functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and More ❯
london (city of london), south east england, united kingdom
Arrows
real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from … functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown
Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working … cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and DevOps principles TDD/BDD testing frameworks Desirable Java (21) and Spring Boot Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role, our More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown
Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working … cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and DevOps principles TDD/BDD testing frameworks Desirable Java (21) and Spring Boot Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role, our More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ozone Talent
the team Continuously evolve and improve the ways of working in the business Key Requirements: Strong commercial experience in the Kotlin ecosystem for backend development Confidence to work with Spring Boot or Ktor to build robust microservices Strong ability to write secure, resilient, and well-tested code Ability to align engineering to ambitious commercial objectives Experience in line management More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Ozone Talent
the team Continuously evolve and improve the ways of working in the business Key Requirements: Strong commercial experience in the Kotlin ecosystem for backend development Confidence to work with Spring Boot or Ktor to build robust microservices Strong ability to write secure, resilient, and well-tested code Ability to align engineering to ambitious commercial objectives Experience in line management More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown
Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable working … Energised by fast paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript Java (21) and Spring Boot/JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern More ❯
C# and .NET (ability to understand code and general knowledge of the framework) Experience in building complex, large-scale software solutions from scratch to live production Experience with Java, Spring Boot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, Docker Strong analytical skills Self-starter, fast learner, and great interpersonal skills Excellent English communication skills More ❯
london (city of london), south east england, united kingdom
EC1 Partners
C# and .NET (ability to understand code and general knowledge of the framework) Experience in building complex, large-scale software solutions from scratch to live production Experience with Java, Spring Boot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, Docker Strong analytical skills Self-starter, fast learner, and great interpersonal skills Excellent English communication skills More ❯
flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across More ❯
london (city of london), south east england, united kingdom
develop
flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
closely with Product Owners and team members to deliver value 👨 🏫 Mentor junior developers and support their growth 🧠 What You Bring: 💻 Solid commercial experience in Kotlin (5+ years) 🌱 Experience with Spring Boot , or similar frameworks (e.g. Ktor) 🧩 Strong API-first mindset and clean coding practices 🧪 Knowledge of Agile, peer reviews, pair programming, and test-driven development 📐 Understanding of software design More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
closely with Product Owners and team members to deliver value 👨 🏫 Mentor junior developers and support their growth 🧠 What You Bring: 💻 Solid commercial experience in Kotlin (5+ years) 🌱 Experience with Spring Boot , or similar frameworks (e.g. Ktor) 🧩 Strong API-first mindset and clean coding practices 🧪 Knowledge of Agile, peer reviews, pair programming, and test-driven development 📐 Understanding of software design More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
impact solutions Guide and mentor junior developers, fostering continuous learning and improvement 🧠 What We’re Looking For 2+ years of hands-on commercial experience with Kotlin Strong knowledge of Spring Boot or similar frameworks (e.g., Ktor) Proven experience designing and developing robust APIs Familiarity with Agile practices, peer reviews, and test-driven development Solid understanding of software design principles More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
impact solutions Guide and mentor junior developers, fostering continuous learning and improvement 🧠 What We’re Looking For 2+ years of hands-on commercial experience with Kotlin Strong knowledge of Spring Boot or similar frameworks (e.g., Ktor) Proven experience designing and developing robust APIs Familiarity with Agile practices, peer reviews, and test-driven development Solid understanding of software design principles More ❯
City of London, London, United Kingdom Hybrid / WFH Options
HCLTech
on HCL, please visit www.hcl.com Role : FullStack Engineer Location : London ,UK Mode : Hybrid Duration : Permanent Job Description- Design, develop, and deploy scalable and resilient backend microservices using Java and Spring Boot. Configure DevOps pipelines on Google Cloud Platform (GCP) to support our credit decisioning engine. Build and maintain automated testing frameworks to ensure high-quality, mission-critical applications. Collaborate … team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
HCLTech
on HCL, please visit www.hcl.com Role : FullStack Engineer Location : London ,UK Mode : Hybrid Duration : Permanent Job Description- Design, develop, and deploy scalable and resilient backend microservices using Java and Spring Boot. Configure DevOps pipelines on Google Cloud Platform (GCP) to support our credit decisioning engine. Build and maintain automated testing frameworks to ensure high-quality, mission-critical applications. Collaborate … team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required Skills & Experience Backend Development: 8–15 years of experience with Java, Spring Boot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
scale-up experience BSc in Computer Science or STEM subject from Russell Group university Have worked in product-focused tech companies Kotlin (Can have also worked with with Java) Spring Boot You will enjoy many great benefits too: Flexible work hours Bonus Share options Personal development budget Private healthcare, dental and eye care Drinks and snacks provided in office More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
scale-up experience BSc in Computer Science or STEM subject from Russell Group university Have worked in product-focused tech companies Kotlin (Can have also worked with with Java) Spring Boot You will enjoy many great benefits too: Flexible work hours Bonus Share options Personal development budget Private healthcare, dental and eye care Drinks and snacks provided in office More ❯
