AI Engineering Lead
TesslLondon, England, United Kingdom
Posted January 20, 2026
Full Time
About the Company
Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny. We're building the pioneering platform for AI-native software development, where AI agents define features, architecture, and workflows in specs, not code.
Job Description
Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny. We're building the pioneering platform for AI-native software development, where AI agents define features, architecture, and workflows in specs, not code. Join us as AI Engineering Lead and shape the future of how software is created and maintained.
Requirements
- 10+ years of engineering experience, with 3+ years leading AI-focused teams.
- Fluency in Python, Anthropic/OpenAI APIs, vector databases, and eval tooling.
- Strong fundamentals in Machine Learning, Data Science, and Evaluation Frameworks.
- Experience with agent orchestration, retrieval-augmented generation (RAG), and agentic workflows.
- Proven experience shipping AI-first products that bridge research and real-world application.
Benefits
- 25 days holiday
- Health insurance, including dental and vision
- Company-matched pension
- Commuting stipend for those who live outside London
- Cycle to work scheme