3h ago
Software Development Engineer in Test (SDET)
London
✨ $140k-$180k / yearest.
full-timesenior Remote
🛠 Tech Stack
💼 About This Role
You'll join the Foundation Team to build quality infrastructure that enables every engineer at Light to ship with confidence. You'll architect test frameworks, solve test data challenges in fintech, and define internal standards for quality. This role offers huge career growth helping shape a market-defining product.
🎯 What You'll Do
- Design and implement test frameworks across multiple languages.
- Build strategies for realistic, safe test data in a fintech context.
- Create standardised testing practices and engineering playbook.
- Implement quality gates in CI/CD and test observability.
- Coach engineers across teams on test design and adoption.
📋 Requirements
- Significant experience building test infrastructure and tooling.
- Comfortable working across multiple languages (Kotlin, TypeScript, Python).
- Has built evaluation frameworks for LLM-based systems.
- Able to influence without authority and coach others.
✨ Nice to Have
- Experience in high-growth startups building quality culture.
- Familiarity with GitHub Actions or similar CI/CD platforms.
- Background in fintech or systems where data integrity is critical.
🎁 Benefits & Perks
- 💰 Competitive salary + potential stock options.
- 🏝️ 25 days annual leave + public holidays.
- 🥳 Regular socials and company off-sites.
- 🚀 Huge opportunity for career growth.
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