and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop various areas More ❯
updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and More ❯
Bromley, Kent, England, United Kingdom Hybrid / WFH Options
Pontoon
candidate will play a key role in designing, developing and supporting robust, scalable applications, working within Agile delivery teams. Responsibilities: * Design, develop and maintain Java-based applications using the Spring Boot framework* Build and maintain containerised solutions on OpenShift* Design and implement scalable microservices and APIs* Collaborate with internal teams and external vendors, including SaaS providers* Contribute to the … Communicate effectively with stakeholders at all levels Skills & Responsibilities: * Strong proficiency in Java development, with experience spanning Java 11+ through to the latest versions (Java 24)* Solid experience with Spring Boot and microservices architecture* Hands-on experience with OpenShift or similar container orchestration platforms* Previous experience working in banking/financial services, with a focus on payments* Understanding of More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hanson Lee Resourcing Ltd
and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java Script development and a passion for delivering high-quality software. Role Type: Permanent Mode More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hanson Lee Resourcing Ltd
and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java Script development and a passion for delivering high-quality software. Role Type: Contract More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Holland & Barrett International Limited
ownership of production systems, ensuring they run smoothly and meet user expectations. Build tooling for debugging, monitoring, and support automation. Key Requirements: Proven experience in backend development with Java. Spring boot and hibernate frameworks. Proficiency in building APIs, microservices, and implementing event-driven architectures. Experience with databases, including SQL and NoSQL. Familiarity with AWS cloud services such as S3 More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead Java Developer/Software Engineer (Java Kafka Spring Boot) London/WFH to £120k Are you a skilled Java Developer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Java Developer position at a scale-up technology company with a successful workforce management … up with colleagues in the London office once a week. About you: You have significant experience as a backend focussed Java software engineering with leadership responsibilities You have strong Spring Boot, Kafka and event driven microservices experience with high throughput You have leadership, mentoring and coaching skills You have a strong understanding of system-level concerns: observability, availability, resilience … a week in London office Pension, Healthcare Impactful role with excellent career progression Apply now to find out more about this Lead Java Developer/Software Engineer (Java Kafka Spring Boot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯
West London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile … Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech in the stack includes Scala, React, Spring, Oracle, Redis, Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you More ❯
pricing space. What you'll need to succeed 10+ years' Java Development experience within financial services - mandatory Good knowledge across a range of asset classes, ideally Fixed Income Strong spring-boot experience Strong understanding of the full SDLC requirements within financial services Extensive DevOps and CI/CD experience Strong cloud and containerisation experience What you'll get in More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Hays Specialist Recruitment Limited
pricing space. What you'll need to succeed 10+ years' Java Development experience within financial services - mandatory Good knowledge across a range of asset classes, ideally Fixed Income Strong spring-boot experience Strong understanding of the full SDLC requirements within financial services Extensive DevOps and CI/CD experience Strong cloud and containerisation experience What you'll get in More ❯
Hayes, London, United Kingdom Hybrid / WFH Options
Gray Global Placements LTD
experience with Mongo Atlas and/or self-managed MongoDB clusters Minimum 4 years Mongo DBA experience MongoDB certified Strong written and verbal English Tech Stack Java, Angular, Ionic, Spring Boot, REST APIs and Mongo DB Linux, Git, SVN, Ansible & Maven CI/CD with Gitlab/Bamboo Agile-Scrum Compensation and Location: Competitive salary and package Remote/ More ❯
Hayes, Middlesex, England, United Kingdom Hybrid / WFH Options
Gray Global Placements
experience with Mongo Atlas and/or self-managed MongoDB clusters Minimum 4 years Mongo DBA experience MongoDB certified Strong written and verbal English Tech Stack Java, Angular, Ionic, Spring Boot, REST APIs and Mongo DB Linux, Git, SVN, Ansible & Maven CI/CD with Gitlab/Bamboo Agile-Scrum Compensation and Location: Competitive salary and package Remote/ More ❯
Conduct performance testing, load balancing, and deployment planning Contribute to the creation of tools and scripts supporting platform delivery Support continuous integration and DevOps practices Essential Skills & Experience: Java, Spring Boot (Data, Integration, Web), JPA Camunda 8, JBPM Microservice architecture and development SPA development using JavaScript, React JS Agile software development practices Domain-Driven Design (DDD) EAI patterns, Git More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems You More ❯
performance interfaces using fundamental rendering technologies such as WebGL, Canvas API or related 2D graphics libraries (e.g. PixiJS, Skia etc) Good knowledge of Java and related technologies (e.g. Maven, Spring Boot etc) Good knowledge of relational database management systems (RDBMS) such as PostgreSQL Experience in developing interactive products with realtime technologies (e.g. Websocket) Experience with AWS services (S3, EC2 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Develop
including the broker services portal, static data, integration layers, and authentication modules Ensure secure, scalable deployment using Azure cloud-native tools Build and support systems using PostgreSQL, Java, and Spring Boot Integrate and monitor using observability tools like Datadog and BigPanda Collaborate closely with architects, DevOps, and security teams across the full SDLC Core Skills & Technologies Strong backend development … in Java with Spring Boot Cloud migration experience, particularly Azure Lift-and-Shift Familiarity with cloud infrastructure and deployment pipelines Exposure to PostgreSQL, authentication/security patterns Monitoring/observability tooling: Datadog, BigPanda Apply now to be considered. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Become
next full-stack contract? Join a high-impact workstream focused on transforming the customer experience journey for a confidential client in a modern, cloud-native environment. Tech Stack Java, Spring Boot Angular, React, TypeScript AWS, REST APIs, Microservices MySQL What You'll Be Doing Building and maintaining scalable backend services using Java & Spring Boot Contributing to frontend development More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Stealth IT Consulting Limited
and the support of a forward-thinking team. What Youll Do: As a key part of our engineering team, youll: Build and maintain scalable full-stack applications using Java (Spring Boot) and JavaScript/TypeScript (React) . Contribute to major projects from day one, working closely with cross-functional teams in a highly collaborative environment. Engage with emerging tools … . Work on impactful government and public sector projects, enhancing services millions rely on. What Youll Bring: Eligibility for security clearance (UK-based only) Strong Java backend development skills (Spring Boot) Solid experience with JavaScript/TypeScript , ideally with React Hands-on familiarity with GIT, CI/CD , and modern development practices Bonus points for experience in Gov projects More ❯
West London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile … Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech in the stack includes Scala, React, Spring, Oracle, Redis, Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time systems You More ❯
you'll be doing: Developing end-to-end features as part of an agile, collaborative team Building and deploying cloud-native, containerised applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB Contributing to DevSecOps delivery pipelines, using tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services Applying Site Reliability Engineering principles More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
up with colleagues in the London office once a week. About you: You have significant experience as a backend focussed Java software engineering with leadership responsibilities You have strong Spring Boot, Kafka and event driven microservices experience with high throughput You have leadership, mentoring and coaching skills You have a strong understanding of system-level concerns: observability, availability, resilience More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Eligo Recruitment
knowledge in iGaming to enhance solutions and ensure compliance with standards. Required Experience & Expertise Previous experience within the iGaming and Gambling Sector Expertise in backend development using Java and Spring Boot . Skilled in version control with Git Flow. Proficient in JPA and Hibernate for seamless database interactions. Strong command of SQL for efficient database management. Experience with Redis More ❯
LL design, troubleshooting, support to developers during build, providing input in defining test strategy, and participating in sprint refinement sessions. Ideal Experience Experience with Microservice Architecture (Docker, Kubernetes, Helm, Spring Boot, Java, Python). Experience working with Kafka and Domain Driven Design. Experience with designing low latency, reliable (fault tolerant), scalable, secure, and cost-effective solutions on a cloud More ❯
desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Team & Role Overview Our team owns multiple Java Spring Boot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. These graphs can fail due to their complexity and our system must adapt … roles, with line-management duties, while giving technical direction to a growing team of developers globally. The platform is a Greenfield build using standard modern technologies such as Java, Spring Boot, Kubernetes, Kafka, MongoDB, RabbitMQ, Solace, Apache Ignite. The platform runs in a hybrid mode both on-premise and in AWS utilising technologies such as EKS, S3, FSX. The … messaging; CAP Theorem; horizontal and vertical scaling strategies; massively distributed architectures Expert knowledge of Java, JVM, memory management, garbage collection Thorough understanding of multithreaded environment challenges Expert knowledge of Spring, SpringBoot framework and associated technologies Expert knowledge of test frameworks, such as Junit, Mockito, writing easily-testable code Expertise in Java debugging, including remote debugging of services deployed to More ❯