Guildford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
infrastructure for real-time, secure global transactions. What You’ll Be Doing Designing and building scalable, high-availability systems processing millions of real-time transactions Working with Java 17+, SpringWebFlux, AKKA, Kafka, and more Writing clean, testable code using TDD and BDD Contributing to architectural decisions in a dynamic codebase Collaborating within Agile teams (Kanban/Scrum … What You Bring Strong hands-on experience with Java 11+ (preferably 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 mindset, with TDD/BDD and CI/CD experience Bonus: Experience in Banking/ More ❯
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fynity
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fynity
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
real-time, secure transactions across the globe. What You’ll Be Doing 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
London, England, United Kingdom Hybrid / WFH Options
Fynity
performing engineering team building asynchronous, 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 within Agile teams (Kanban/… who are pragmatic, performance-focused, 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 mindset, with TDD/BDD More ❯
Northampton, Northamptonshire, England, United Kingdom Hybrid / WFH Options
Gibbs Hybrid
onsite per week) Contract Type: Contract Duration: 06 months initially, with high potential for extension Sector: Banking Key Responsibilities Design, develop, and maintain microservices-based applications using Java and Spring Boot Implement scalable and resilient distributed systems Write clean, efficient, and maintainable code Collaborate with product managers and stakeholders to understand requirements and deliver solutions Participate in code reviews … team members and contribute to engineering best practices Required Skills & Experience 5+ years of professional Java development experience Strong knowledge of microservices architecture patterns and best practices Experience with Spring Boot, Spring Cloud, and related frameworks Strong understanding of RESTful APIs and messaging systems (Kafka, RabbitMQ) Experience with relational and NoSQL databases Solid understanding of software design principles … and patterns Experience with unit testing and integration testing Preferred Qualifications Experience with Camunda BPM or BPMN workflow implementation (highly preferable) Experience with reactive programming (SpringWebFlux, Project Reactor) Experience with event-driven architecture Experience with DevOps and Automation Familiarity with domain-driven design principles Experience with test-driven development and automated testing frameworks Contributions to open-source More ❯
standard, and leverage cutting-edge 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, and Tekton. Contribute to open … practices, including SCA, SAST, shift-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 (Gradle, Maven, npm, etc.). More ❯