Senior Software Engineer

Company: Formula.
Apply for the Senior Software Engineer
Location: London
Job Description:

Senior Software Engineer : £615/day Inside IR35 : Hybrid London (3x per week) : Banking client

A major UK bank is seeking Senior Software Engineers to support on a major transformation project to rebuild the payment system, replacing their existing enterprise solution.

The new product will support a broad range of payment methods and channels across both in-person and digital environments.

Key requirements:

  • Full Stack : Kotlin (essential) and React.js (nice-to-have)
  • Solution architecture and design capabilities
  • Taking high level requirements and creating structured backlogs

Key details:

  • Up to £615 per day Inside IR35
  • 3 days onsite per week (London)
  • 6 months initial term (subject to extension)
  • Immediate starters

Apply now or reach out directly to find out more.

Due to the high volume of applications, not all applicants will receive feedback.

Lead Software Engineer : £615 Inside IR35 : Hybrid London (3x per week) : Banking client

Posted: June 2nd, 2026