Senior Backend Software Engineer 

Location: Dunton, Essex (4 days per week onsite)
Contract: Offering up to £590 per day - Inside IR35
Duration: Intial 7 Month contract


Are you a highly experienced Backend Software Engineer with a passion for building secure, scalable platforms? We're looking for a Senior Backend Software Engineer to join our Identity Management Services team, where you'll play a key role in designing and developing the core services that power enterprise identity infrastructure. This is an exciting opportunity to combine hands-on software engineering with technical leadership, helping to shape modern backend development practices while mentoring and upskilling a talented engineering team.


What You'll Be Doing
  • Design, develop and maintain high-performance backend services using Java.
  • Lead the technical direction of core identity platform development.
  • Champion secure, resilient, and scalable application architecture.
  • Mentor engineers and promote best practices across backend development.
  • Drive adoption of modern engineering principles, coding standards and DevOps practices.
  • Collaborate within Agile teams to deliver high-quality software solutions.
  • Support continuous improvement through monitoring, logging and performance optimisation.

What We're Looking For Essential Skills & Experience
  • 8 years' experience developing backend applications using Java.
  • Strong knowledge of Java frameworks and server-side technologies.
  • Experience building web-based backend services and APIs.
  • Solid understanding of DevOps practices including CI/CD and version control.
  • Experience with security principles and identity management solutions.
  • Knowledge of monitoring, logging and observability tools.
  • Strong experience with relational databases.
  • Proven technical leadership and mentoring capability.
  • Experience working within Agile delivery environments.

Desirable Skills
  • Networking knowledge including subnets, firewalls, load balancing and VPN configurations.
  • Experience troubleshooting complex production issues.
  • Familiarity with Google Cloud Platform (GCP).

 This role offers the opportunity to work on business-critical identity services that underpin a large-scale enterprise platform. You'll have the autonomy to influence technical direction, introduce modern engineering practices and make a lasting impact on both the platform and the wider engineering team.

If you're passionate about backend engineering, platform architecture and technical leadership, we'd love to hear from you.