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. This organisation specialises in providing high performance technology solutions to … a Senior Engineer, you will 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, resiliency and scalability. As a … similar environments. To be successful, 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 and multithreading. Experience of Reactive More ❯
a hands-on engineering role with a strong emphasis on architecture, scalable systems, and modern cloud-native technologies. Key Responsibilities: Design, develop, and maintain scalable microservices using Java and Spring Boot Build and integrate event-driven systems with Kafka Contribute to frontend development using Angular and React Deploy and manage services on AWS Collaborate with product owners, designers, and More ❯
Wandsworth, Greater London, UK Hybrid / WFH Options
Holland & Barrett
Take full ownership of production systems, ensuring they run smoothly and meet user expectations. Build tooling for debugging, monitoring, and support automation. 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 ❯
experience delivering large-scale applications, especially within Agile financial environments . If you're passionate about building secure, scalable, and high-performing solutions and have strong experience in Java, Spring Boot, MuleSoft, and API integration , we’d love to hear from you! Key Responsibilities: Build and enhance platforms using Java, Spring Boot, and MuleSoft or equivalent integration tools. … Collaborate with cross-functional teams, mentor developers, and solve complex technical challenges. Required Key Skills: 15+ years of backend engineering experience, ideally in financial services. Deep expertise in Java, Spring Boot, MuleSoft/ESB, and Web Services. Strong SQL and PL/SQL (Oracle) knowledge. Hands-on experience with OpenShift/Kubernetes, WebLogic, JBoss, or Tomcat. Proven experience in More ❯
hold SC and NPPV3 or be eligible for both Location: Croydon - onsite 2/3 days a week Job Description: What you'll bring:* Experience of Java.* Experience of Springframework or equivalent.* Knowledge of software design patterns and when to apply them.* Excellent knowledge of development processes.* Experience of containerization using Docker or Kubernetes.* Experience of Continuous Integration … the skills, if not we can help develop them: * Designing microservice-based architectures using domain driven design (DDD). CQRS and Event Sourcing patterns.* Kubernetes.* Knowledge/Certification in Spring framework.* Experience in cloud technologies AWS/Azure/GCP. Please apply to the advert for more information. Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as More ❯