💼 Full-Time Position

Principal Software Development Engineer in Test (SDET)

🏢
Capco
📍 london, england, United-Kingdom
📍
Location
london, United-Kingdom
📅
Posted
May 26, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Principal Software Developer in Test (SDET)

Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent

Drive test automation innovation and engineering excellence in financial technology

The Role

As a Principal SDET at Capco, you'll lead the strategy, architecture, and implementation of robust automation testing frameworks across financial services projects. You’ll work closely with cross-functional teams to deliver quality-first solutions using the latest tools and practices. You’ll also mentor engineers, foster best practices in test automation, and help shape our quality engineering capability.

What You’ll Do

  • Architect reusable, scalable test strategies and frameworks across web and mobile platforms
  • Design, build, and maintain test automation scripts for UI, APIs, and services
  • Integrate testing tools into CI/CD pipelines and manage cloud-based testing solutions