Top Java Developer Jobs in Edinburgh

Develop and maintain shared Java platform capabilities, including libraries, build systems, database failover tools, and business libraries. Design, test, deploy, and support resilient systems at significant scale, addressing performance, reliability, scalability, and developer experience. Collaborate with global engineering teams, evaluate AI-enabled development practices, provide programming-language expertise, and contribute to continuous improvement across the firm's software development lifecycle.

Supports the full software development lifecycle within an application support team, including front-end and back-end development, integrations, DevOps, service support, workflow planning, quality assurance, solution design, and implementing customer requirements. The role includes hands-on Java development, database work, unit testing, client delivery, and participation in an on-call rotation. It is a hybrid technology consultancy position requiring UK client-site travel when needed.

Develop and support an endpoint security product using Java, Node.js, TypeScript, and React. Investigate enterprise customer issues, debug complex systems, analyze logs, profile performance, and identify root causes. Collaborate with global Support, QA, Product, and Engineering teams, contribute to product roadmap decisions, and develop security solutions within an agile environment.

Develop and maintain Elasticsearch’s Inference API and plugin framework, integrating internal and external AI providers. Responsibilities include API and protocol design, streaming, asynchronous execution, rate limiting, configuration, billing integration, error handling, open-source contribution reviews, incident response, and comprehensive unit, REST, and rolling-upgrade testing. The role requires advanced Java expertise, concurrency and parallelism knowledge, API design skills, cross-functional collaboration, and autonomous work in a distributed team.

Develop and test cloud-based full-stack applications and prototypes using Java, Spring Boot, Python, TypeScript, Angular, and Azure. Build REST APIs, integrate microservices and event-driven systems, create accessible responsive interfaces, contribute to CI/CD and automated testing, and apply secure coding practices. Collaborate with architects, data engineers, and UX designers during discovery-phase projects. The role requires active SC clearance and occasional travel to London.

Design, implement and evolve core components of a Java-based distributed runtime: cluster services, distributed data structures and execution engines. Work on partitioning, replication, coordination and recovery, write reliable low-latency production code, contribute to architecture, reviews and mentoring.

Develop core infrastructure and horizontally scalable APIs for Elasticsearch. Resolve complex performance and concurrency issues, improve cloud operations and observability, automate developer workflows, and support operational investigations. Lead cross-team projects, collaborate with open-source communities, and own technical designs and implementations from inception through delivery. Apply strong Java expertise, CI/CD practices, AI-assisted development, and distributed-team communication.

As a Senior Backend Engineer, you'll design and build scalable Java applications on AWS, lead backend design, and implement CI/CD for cloud-native solutions.

Lead the design and development of secure, scalable backend systems using Java. Architect cloud-native solutions and mentor teams for financial platforms.

Design, build, test, and maintain Java 17+ microservices for a banking modernization program. Develop REST APIs and messaging integrations, containerize and deploy services through CI/CD, integrate relational and NoSQL databases, and address performance, resilience, security, and observability. Participate in Agile delivery, solution design, code reviews, testing, and production releases while collaborating with architects, analysts, testers, and product owners.

The Staff Software Engineer will design and manage end-to-end data pipelines, ensuring data quality and governance while collaborating across Java and Python systems, including event schema design and AI tooling.