18 of 18 Spring Jobs in the City of London

evolve core platform capabilities, guide architectural decisions across microservices, and mentor engineers while remaining hands‐on with critical systems built using Java and Spring Boot. This role sits at the heart of Verifone’s global payment gateway platform. You will help shape the technical direction of systems responsible … secure, and meet the highest standards for availability and performance. Required Skills and Experience Needed Programming Languages Java 17 or higher Frameworks and Libraries Spring Boot Spring Web (REST APIs) Spring Data Spring Security with JWT/OAuth2 Architecture & System Design Deep experience designing and operating ...

Camunda 8) Strong experience with BPMN 2.0 and ideally DMN Strong software engineering background in Java Experience building applications/services with Spring Boot Experience integrating workflow platforms with REST APIs, microservices and distributed systems Strong understanding of workflow orchestration, business process automation and process state management Experience working ...

Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Full Stack Engineer with experience with: Java Spring Boot Microservices JavaScript Frontend frameworks: they use Vue.js but are also open to React and Angular Containerisation using Docker, Kubernetes Developing cloud-native applications with ...

Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills and attention to detail. - Effective communication and leadership skills. OTHER ...

Docker, Kubernetes, CI/CD, TDD, Agile. ✅ What they’re looking for Strong commercial experience in Core Java development (framework-light/no Spring environments preferred) Deep understanding of multithreading and concurrency Experience building or optimising low-latency or high-performance systems Background working in high-throughput, distributed environments ...

solid understanding of multithreading, concurrency, or low-latency programming. A strong desire to develop in a low-level Java environment (no frameworks like Spring) in public cloud environments (AWS/GCP)! Familiarity with CI/CD environments and practices such as pair programming or TDD. Keen to expand your ...

Junior level commercial hands-on experience with Core Java development A strong desire to develop in a low-level Java environment (no frameworks like Spring) Familiarity with CI/CD environments and practices such as pair programming or TDD. This is an exceptional opportunity to develop your skills while ...

operating platforms. Supporting customers (internal and external) by developing documentation and assistance tools. REQUIREMENTS you will have: Multi-threaded programming 3+ years experience Spring framework Hibernate Proficiency in Java debugging Strong ...

Docker, Kubernetes, CI/CD, TDD, Agile. What they're looking for Strong commercial experience in Core Java development (framework-light/no Spring environments preferred) Deep understanding of multithreading and concurrency Experience building or optimising low-latency or high-performance systems Background working in high-throughput, distributed environments ...

logs , and tracing issues end-to-end. Key requirements: Strong manual and/or automated testing of complex web apps Experience testing Java/Spring Boot backends REST API testing (Postman/Swagger etc.) Strong SQL skills React/Next.js frontend testing experience AWS familiarity (EC2, RDS, S3, CloudWatch ...

years in Java programming. • Leadership Skills: Demonstrated leadership and team management experience. • Technical Skills: Proficiency in Java and its related frameworks (e.g., Spring Boot, Maven, Gradle), knowledge of web services, and understanding of database technologies like SQL/Oracle are often required. • Soft Skills: Excellent communication, problem-solving, analytical ...

server-side logic. UI Development: Construction of responsive interfaces and layouts using modern JavaScript frameworks. API & Microservices: Development of RESTful services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews … performance optimization to ensure high standards. Essential Skills Core Languages: Advanced proficiency in Java, JavaScript, HTML, and CSS. Back-End: Extensive experience with Java, Spring, and Spring Boot. Front-End: Practical knowledge of React, Angular, or Vue. Data Systems: Competency in SQL (MySQL, PostgreSQL) and NoSQL environments. Tooling ...

looking for a hands-on QA Tester with a strong payments background . You’ll work directly with the CTO, testing across Java/Spring Boot APIs, React frontends, SQL databases and AWS environments . Must be comfortable digging into logs, APIs and backend systems — not just surface-level ...

will come from technical leadership, enabling teams to deliver robust, scalable, and secure services. With a strong foundation in backend technologies, including Java and Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering standards … backend systems comply with relevant standards such as ISO27001 and PCI. Key Skills & Attributes: Strong backend engineering experience, ideally including Java (Java 11+) and Spring Boot. Proven ability to design and lead backend architectures for complex systems. Familiarity with cloud environments (AWS preferred) and container orchestration (Kubernetes). Experience ...

Stack The platform operates within a JVM-based ecosystem , including: Scala (core backend) AKKA framework (with migration toward PEKKO) Gradual migration toward Java/Spring Boot Node.js for integrations and connectors Some Kotlin usage The environment is language-agnostic in mindset. Strong backend fundamentals matter more than experience across ...

patterns , and agentic AI-based modernization approaches . Hands-on experience with containerization and orchestration platforms (Kubernetes, OpenShift). Familiarity with modern application frameworks (Spring Boot, Angular, React, Vue). Experience implementing event-driven microservices , API gateways , and serverless architectures . Strong understanding of modernization patterns such as Strangler … resilience. Enable UI/UX modernization using Angular , React , and other Front End frameworks. Implement modernization approaches using Java , .NET , and modern frameworks (Spring Boot, .NET Core). Integrate DevSecOps pipelines , CI/CD automation , and container orchestration (Kubernetes, OpenShift). Advise on best practices for re-factoring ...

Title: Junior Software Engineer (Contract) - Java/Spring/React Location: 1-2 days per week on site in London Contract Length: 6 months Day Rate: £150 - £350 per day, Inside IR35 A Central Government client of iO's are seeking a Junior Software Engineer on a contract basis … support development of modern web applications using Java, Spring, and React. You'll work with an experienced team contributing to both Back End services and Front End features. Essential Skills & Experience: Commercial or project experience with Java Basic knowledge of Spring/Spring Boot Experience with React ...

Senior Java Engineer – Reactive (Spring WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity … engineers, and client teams across Europe Operate in Agile environments (Scrum/Kanban) with a strong engineering culture Tech Stack (current & evolving): Java 17+, Spring WebFlux, Akka, Kafka, reactive streams, distributed messaging, cloud-native tooling What You Bring We’re looking for engineers who enjoy thinking in events, streams ...