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# Java Developer

- **Company:** TEKsystems
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), A/B Testing, Databases, Shard (Database Architecture), Distributed Systems, Python (Programming Language), Systems Development Life Cycle, TypeScript, Git Flow, Integration Tests, Kubernetes
- **Published:** October 24, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-4DB64AB309B7D6C6F5/

## About the Role

We are seeking a seasoned Java Developer with extensive full-stack expertise to join our dynamic team. The ideal candidate will have a strong background in Java as the primary Back End language, with additional proficiency in Python or TypeScript for some Back End components. This role requires a deep understanding of Kubernetes, GitOps, and Software Development Life Cycle (SDLC) best practices, along with experience in CI/CD pipelines, feature flagging, and A/B testing., * Proven expertise in Java development.

 * Proficiency in Kubernetes, GitOps, and SDLC best practices.
 * experience with CI/CD pipelines, feature flagging, and A/B testing.
 * Strong understanding of performance engineering and data modelling.
 * Knowledge of time/space complexity, algorithmic tradeoffs, and database scaling.

## Description

* Develop and maintain large-scale distributed systems using Java as the primary Back End language.
 * Collaborate with cross-functional teams to ensure system scalability and performance engineering.
 * Implement unit, component, and integration testing to ensure quality and reliability of software.
 * Utilise Kubernetes and GitOps for efficient deployment and management of applications.
 * Optimise database scaling and manage microservice consistency issues, including sharding and race conditions.