Senior Java Backend Developer Fully

InterAct Consulting
London, United Kingdom
Today
£80,000 – £85,000 pa

Salary

£80,000 – £85,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
Remote
Seniority
Senior
Education
Degree
Posted
21 Oct 2026 (Today)

Benefits

Healthcare Pension Holiday
Fully remote (UK) | £80,000-£85,000 + healthcare, pension, holiday etc

We're hiring a hands-on Senior Java Backend Developer to join our health tech clients Integrations team, building secure, reliable payment capabilities for their platform, a cloud-based SaaS platform used across the UK.

You'll design and deliver integrations with leading providers including Stripe, Dojo and Adyen, powering online payment links, card-present payments, and automated debt chasing.

What you'll do

  • Build and maintain secure, resilient Java microservices and third-party integrations.
  • Own services end to end: design, build, test, deploy, monitor and improve them in production.
  • Shape technical decisions with Product, QA and your Team Lead.
  • Coach junior developers and QA colleagues.
What we're looking for

  • 5+ years' development experience in multi-disciplinary teams.
  • Strong modern Java (ideally 17+) and extensive Spring/Spring Boot experience.
  • RESTful API design plus third-party API and webhook integrations.
  • Solid SQL/relational database skills.
  • Cloud deployment and monitoring experience, plus CI/CD and automated testing.
  • Microservices experience.
Bonus: Kubernetes, Docker, Redis, Terraform, React/TypeScript, or observability experience.

Tech stack

Java 21 (moving to 25), Spring Boot, microservices, Azure, Kubernetes, Docker, Redis, Terraform, SQL Server, and React 18/TypeScript on the frontend.

Please Apply Now

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