Lead Java Modernization Engineer in London

Lead Java Modernization Engineer in London

London Full-Time 75000 - 80000 £ / year (est.) No working from home possible
Adecco

At a Glance

  • Tasks: Lead Java and Node.js coding standards, mentor developers, and optimise application logic for cloud environments.
  • Company: Established multinational organisation with a focus on modern engineering practices.
  • Benefits: Competitive salary up to £80,000, hands-on mentorship, and a dynamic work environment.
  • Other info: On-site role in Wembley, London, with excellent career growth opportunities.
  • Why this job: Join us to modernise engineering practices and make a real impact in a cloud-native setting.
  • Qualifications: Solid Java experience, Spring Boot expertise, and strong understanding of CI/CD processes.

The predicted salary is between 75000 - 80000 £ per year.

Salary: £75,000 - 80,000 per year

Requirements:

  • Solid experience in Java development with significant, demonstrable experience in Spring Boot and microservices architecture, including production ownership.
  • Proven experience building applications that consume Azure-native services, including Azure Key Vault, Azure Storage API, and Azure Service Bus.
  • Strong understanding of the full CI/CD lifecycle, with the ability to read and contribute to Dockerfiles and GitHub Actions YAML workflows.
  • Deep expertise in RESTful API design principles, OAuth2 authentication flows, including FusionAuth integration, and DMARC-compliant transactional email logic via SendGrid.

Responsibilities:

  • Define and enforce our Java and Node.js coding standards across the team, with a focus on robust exception handling, binary stream handling, structured logging via Application Insights, and security-first development practices.
  • Ensure our application logic is optimised for containerisation from the ground up, including health check endpoints, secure secret management via Azure Key Vault, correct port mapping for Container Apps, and stateless design principles compatible with Azure Container Apps.
  • Provide direct, hands-on mentorship to junior and mid-level developers by identifying technical debt, running structured code reviews, and building a culture of engineering excellence.
  • Work closely with our Principal Architect to translate high-level designs into production-ready implementation plans, ensuring the team understands the technical decisions and constraints.
  • Champion a strong automated testing culture through unit, integration, and contract tests to prevent regression and ensure deployments are stable before production.

Technologies:

  • API Architect
  • Azure
  • CI/CD
  • Cloud
  • GitHub
  • Java
  • Security
  • Spring
  • Spring Boot
  • microservices
  • NodeJS
  • DevOps

We are a well-established and diversified multinational organisation offering a Lead Modernization Engineer Java / Node.js opportunity based in Wembley, London, with a requirement to work on-site five days a week. The role offers a salary of up to £80,000 per annum and the chance to join our team to help modernise and strengthen our engineering practices within a cloud-native, production-focused environment.

Lead Java Modernization Engineer in London employer: Adecco

Join our dynamic team in Wembley, London, where we prioritise innovation and excellence in engineering practices. As a Lead Java Modernization Engineer, you'll benefit from a collaborative work culture that fosters mentorship and professional growth, alongside a competitive salary and the opportunity to work on cutting-edge cloud-native technologies. We are committed to your development and success, making us an exceptional employer for those seeking meaningful and rewarding careers.

Adecco

Contact Details:

Adecco Recruitment Team

We think you need these skills to ace Lead Java Modernization Engineer in London

Java Development
Spring Boot
Microservices Architecture
Azure-native Services
CI/CD Lifecycle
Dockerfiles
GitHub Actions YAML