Lead Java Tech Role- 3 month Contract at Opus Recruitment Solutions, London, £475 to £525 per Day

I'm looking for a Lead Backend Software Engineer to shape backend architecture, drive engineering excellence, and guide teams building high‑performance digital products used at scale. This is a hands‑on leadership role where you’ll influence technical strategy, mentor engineers, and ensure backend systems are robust, secure, and future‑ready.

What you’ll be doing

• Lead backend architecture – Define and evolve scalable, secure, high‑performance backend systems
• Set engineering standards – Champion best practices, secure coding (OWASP), and high‑quality delivery
• Hands‑on technical contribution – Support critical backend work and review complex code
• Guide teams & mentor engineers – Facilitate design discussions, code reviews, and technical decision‑making
• Improve tooling & CI/CD – Enhance pipelines, build processes, and operational workflows
• Drive continuous improvement – Reduce technical debt and introduce modern backend approaches
• Support compliance – Ensure systems align with standards such as ISO27001 and PCI

What we’re looking for

• Strong backend engineering experience with Java (11+) & Spring Boot
• Event‑driven architecture expertise – Kafka or similar
• Cloud experience – ideally AWS; Kubernetes knowledge beneficial
• Deep understanding of microservices, REST APIs & distributed systems
• Experience with SQL/NoSQL databases
• Strong CI/CD, automated testing & DevOps awareness
• Ability to influence technical direction across teams
• Comfortable communicating technical risks to non‑technical stakeholders

Hybrid working- London or Newcastle

• 3 month rolling contract 
• Outside IR35