Staff Engineer - Permanent role (Java) in London
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Job Description
Staff Engineer - Java
London, UK (Hybrid - 3 days per week in office + occasional site visits)
Permanent
Full-time, 40 hours per week
Up to £80,000 + benefits
About the Role
We are seeking a highly skilled Staff Engineer with strong hands-on expertise across Java (17+), Spring Boot, Cloud Engineering, Automation Testing, CI/CD, and Kafka. This is both a delivery and technical-leadership position, requiring excellent engineering fundamentals combined with design/architecture experience.
You'll work closely with cross-functional teams to build scalable, modern, cloud- systems that support large-scale digital platforms. The role includes mentoring, setting engineering standards, and championing best practices.
Key Responsibilities
Design, build and maintain high-quality Back End services using Java 17+ and Spring Boot.
Lead technical design discussions and contribute to architecture decisions.
Implement strong automation testing practices (unit, integration, contract, performance).
Develop cloud- solutions on Azure or AWS using CI/CD and DevOps tooling.
Build event-driven systems using Kafka, including schema evolution and resilient consumer patterns.
Mentor engineers and support best practice across coding, testing, and delivery.
Contribute to roadmap planning, technical direction, and continuous improvement initiatives.
Promote clean architecture, secure coding, observability, and engineering excellence.
Essential Skills & Experience
Java 17+, Spring Boot, and modern Back End engineering.
Strong automation testing experience.
Solid experience with Kafka and event-driven architectures.
Cloud engineering with Azure or AWS, CI/CD pipelines, containers, IaC exposure.
Strong understanding of architecture patterns: SOLID, Clean/Hexagonal Architecture, CQRS, resilience patterns.
Experience with DevOps principles and continuous delivery environments.
Exposure to mentoring/coaching other engineers.
Strong communication skills across technical and non-technical audiences.
Desirable Experience
Experience in large-scale digital platforms or complex enterprise environments.
Test automation frameworks (Playwright, Selenium, etc.).
Experience with NoSQL, caching (Redis), or enterprise integrations.
Familiarity with Java-adjacent tooling or light Front End literacy (TypeScript/React).
If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.
- Location:
- London
- Job Type:
- FullTime
- Category:
- Engineer, Staff, Engineering