Senior SDET

Radiant · London Street, Area · Full-time

Description

About the role We’re looking for a Senior SDET with strong experience in Golang and Kubernetes to join our core product team. In this role, you'll design and build high-performance, cloud-native back-end systems and scalable APIs to support AI workloads, including LLMs and GPU-based services. You’ll collaborate closely with cross-functional teams - including platform, backend, and machine learning engineers - to design, develop, and maintain scalable test automation frameworks and quality engineering solutions. You’ll help ensure the reliability, performance, and quality of systems that power model training, inference, and orchestration in production environments, while mentoring junior engineers, championing quality best practices, and driving initiatives to improve test coverage, release confidence, and overall software quality. What You’ll Do: Design, develop and maintain robust automated test frameworks and quality engineering solutions in Go Build and implement automated testing strategies across API, integration, end-to-end, performance, and reliability testing Develop and maintain test automation for secure, reliable APIs (gRPC/REST) and backend systems Collaborate closel…