> Markdown version of [/jobs/ext/1909550-java-cloudnative](https://www.wearedevelopers.com/jobs/ext/1909550-java-cloudnative). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java + CloudNative - **Company:** Randstad UK - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Application Integration Architecture, HTML5, Automation of Tests, Cascading Style Sheets (CSS), Cloud Computing, Cloud Engineering, Static Program Analysis, Program Optimization, Code Review, Data Structures, Software Design Patterns, DevOps, Github, Protocol Buffers, JSON, Object-Oriented Software Development, Performance Tuning, Scrum Methodology, Risk Management Information Systems, Secure Coding, Data Streaming, TypeScript, Web Application Frameworks, Multithreading, Spring Cloud, ReactJS, System Availability, Concurrency, Spring-boot, AWS Lambda, Backend, Gitlab, Git, Kotlin, Event Driven Architecture, Material UI, Kubernetes, Information Technology, Apache Flink, Apache Kafka, Front End Software Development, React Redux, Restful APIs, Es2015, Stream Processing, Grpc, Serverless Computing, Docker, Jenkins, Programming Languages, Microservices - **Published:** August 4, 2026 - **Apply:** https://itjobpro.co.uk/job/java-cloudnative ## About the Role We are seeking a highly skilled Specialist with 5 to 7 years of hands-on experience in Core Java, React, and cloud-native architecture to join our client's Investment Banking engineering team. In this role, you will design, build, and maintain high-throughput, low-latency applications tailored for risk management systems., Frontend Architecture: TypeScript, JavaScript (ES6+), Redux / Context API, HTML5, CSS3, REST/gRPC integration. Streaming & Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol Buffers. Core Computer Science: Strong mastery of data structures, algorithms, object-oriented design, and design patterns. DevOps & Tooling: CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Docker, Git. Domain Expertise: Prior experience in Investment Banking, specifically within Risk Management (e.g., Market Risk, Credit Risk, Operational Risk, Liquidity Risk), is strongly preferred. Methodology: Proven experience working in Agile/Scrum environments. ## Description You will lead technical initiatives across a modern tech stack-combining event streaming (Kafka/Flink), microservices, AWS cloud infrastructure, and modern frontend frameworks-to deliver secure, resilient, and real-time financial solutions for our client., End-to-End System Design & Development: Architectural design and development of robust microservices and interactive user interfaces using Core Java, Kotlin, Spring Boot, and ReactJS. Real-Time Data Processing: Build and maintain scalable event-driven architectures utilizing Apache Kafka and Apache Flink for real-time risk data streaming. API & Integration Engineering: Design, implement, and maintain high-performance RESTful APIs and gRPC services for seamless cross-system and frontend-backend communication. Cloud & DevOps Integration: Deploy, scale, and manage cloud-native applications on AWS (leveraging AWS Lambda, ECS/EKS) and Kubernetes; collaborate with client DevOps teams to maintain CI/CD pipelines. Frontend Excellence: Construct responsive, accessible, and performant UI components using TypeScript, HTML5, CSS3, and Redux/Context API. Technical Leadership & Mentorship: Provide technical guidance, code reviews, and architectural mentorship to junior and mid-level developers. Domain Alignment: Partner with quantitative analysts, risk officers, and product owners to translate complex risk management requirements into technical implementations. System Optimization & Reliability: Conduct performance tuning, memory profiling, and multithreading optimizations; troubleshoot and resolve production incidents to uphold high availability. Quality & Compliance: Maintain high code quality through rigorous automated testing, static analysis, secure coding standards, and compliance with banking regulations. Mandatory Skills Languages & Frameworks: Java (Core Java, Multithreading, Concurrency), Kotlin, Spring Boot, ReactJS. Cloud & Serverless: AWS Lambda, AWS Cloud Services, Kubernetes.Additional Technical & Functional Competencies ## Related Videos - [Boosting OpenSearch Performance: gRPC Search in Action](https://www.wearedevelopers.com/videos/1935-boosting-opensearch-performance-grpc-search-in-action) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)