Founding-Stage Senior Software Engineer - Real-Time Fintech

  • Jack & Jill/External ATS
  • Mar 15, 2026
Full time I.T. & Communications

Job Description

A growing fintech company in London seeks a Senior Software Engineer to build scalable financial infrastructure. Responsible for designing robust backend systems and mentoring engineers, the ideal candidate should have over six years of experience with Java, Python, or Go. This high-impact role offers significant ownership of critical projects and involves collaboration with a veteran leadership team in a fast-paced environment.