Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. … join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability … you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications (with Akka AND/OR Kafka) with an appreciation of topics such as Concurrency More ❯
Senior Java Software Engineer – Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. … join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability … you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications (with Akka AND/OR Kafka) with an appreciation of topics such as Concurrency More ❯
event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, SpringWebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate … and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., SpringWebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile More ❯
London, England, United Kingdom Hybrid / WFH Options
Fynity
event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, SpringWebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate … and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., SpringWebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile More ❯
event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, SpringWebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate … and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., SpringWebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, SpringWebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate … and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., SpringWebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile More ❯
as part of a global leader in the parking industry with a multi-million user base. Our Typical Backend Technology Stack Kotlin/JVM Spring Boot Kafka for messaging PostgreSQL Docker Kubernetes Github Actions Required Technical Skills A keen interest in learning new skills and working with evolving technology. … Experience with modern enterprise languages and frameworks such as Java or Kotlin with Spring, .NET, Symfony, or similar. Strong understanding of object-oriented programming and familiarity with functional concepts. Experience with version control systems. Experience writing testable code. Good to Have Technical Skills Understanding web application architecture and API … brokers like Apache Kafka, RabbitMQ, SQS, etc. Understanding microservice architecture. Knowledge of CI/CD, containerization, and deployment. Experience with reactive web applications (e.g., SpringWebflux). Experience with PostgreSQL, Amazon AWS (especially Amazon Aurora), Docker, Kubernetes, Apache Kafka. About You A self-driven team member, aligned with More ❯
Basingstoke, Hampshire, United Kingdom Hybrid / WFH Options
Parking Network BV
a part of the global leader in the parking industry with a multi million user base Our typical backend technology stack Kotlin/JVM Spring Boot Kafka for messaging Docker Github Actions Required Technical skills: A keen interest in learning new skills and working with new and evolving technology … Experience working with modern enterprise languages and frameworks such as Java or Kotlin with Spring, .Net, Symfony or other similar technology. Strong understanding of programming concepts specifically object oriented programming as well as familiarity with functional concepts Experience working with version control systems Experience writing testable code Good to … Apache Kafka, RabbitMQ, SQS etc) Understanding of micro service architecture Understanding of CI/CD, containerisation and deployment Experience of reactive web applications (eg. SpringWebflux) Experience of PostgreSQL, Amazon AWS (in particular Amazon Aurora), Docker, Kubernetes, Apache Kafka About you Self driven team member - this is a More ❯
Basingstoke, England, United Kingdom Hybrid / WFH Options
Arrive
a part of the global leader in the parking industry with a multi million user base Our typical backend technology stack Kotlin/JVM Spring Boot Kafka for messaging PostgreSQL Docker Kubernetes Github Actions Required Technical Skills A keen interest in learning new skills and working with new and … evolving technology Experience working with modern enterprise languages and frameworks such as Java or Kotlin with Spring, .Net, Symfony or other similar technology. Strong understanding of programming concepts specifically object oriented programming as well as familiarity with functional concepts Experience working with version control systems Experience writing testable code … Apache Kafka, RabbitMQ, SQS etc) Understanding of micro service architecture Understanding of CI/CD, containerisation and deployment Experience of reactive web applications (eg. SpringWebflux) Experience of PostgreSQL, Amazon AWS (in particular Amazon Aurora), Docker, Kubernetes, Apache Kafka About You Self driven team member - this is a More ❯
technologies to create impactful tools and integrations. Key Responsibilities: Design, develop, and maintain APIs and microservices using Java 21, Java 8, Project Reactor, and Spring WebFlux. Build and enhance SCA plugins for Gradle, Maven, and npm to identify vulnerabilities. Develop integrations with tools such as GitHub, SonarQube, TeamCity, Jenkins … left, and secure SDLC. Required Skills and Experience: Strong proficiency in Java (Java 21 and Java 8). Experience with reactive programming (Project Reactor, SpringWebFlux). Solid understanding of DevOps and DevSecOps principles, including SCA, SAST, and shift-left security. Hands-on experience with dependency management tools More ❯
our profit comes from. This role is pivotal in the success of our business and you will bring solid experience dealing with FX. Java & Spring Boot Mastery - Deep proficiency in Java, Spring Boot, Spring Cloud, and reactive frameworks (WebFlux/Project Reactor). Cloud & DevOps Knowledge More ❯
our profit comes from. This role is pivotal in the success of our business and you will bring solid experience dealing with FX. Java & Spring Boot Mastery – Deep proficiency in Java, Spring Boot, Spring Cloud, and reactive frameworks (WebFlux/Project Reactor). Cloud & DevOps Knowledge More ❯
Senior Java Developers - Java/Vert.x/Webflux We are looking for 2 x Java Developers with strong Vert.x/Webflux to work on a multi-year project. Stack - Java, AWS, TDD, Vert.x/Webflux. 2 days a week in London 6 month rolling contract £500-600 per More ❯
Senior Java Developers - Java/Vert.x/Webflux We are looking for 2 x Java Developers with strong Vert.x/Webflux to work on a multi-year project. Stack - Java, AWS, TDD, Vert.x/Webflux. 2 days a week in London 6 month rolling contract £500-600 per More ❯