Senior Product Engineer
We’re solving the biggest problem in modern work: email.
For us, that means AI-generated email drafts. We’re laser-focused on making them better over time, using context from your meetings, inbox, and messages, because that’s what matters most to our users.
Unlike other startups, we’re a pure-play applied AI company, not a SaaS tool with AI bolted on. We use the best techniques, including fine-tuned open-source models, tool use, and retrieval-augmented generation. As a result, users send 53% of the drafts we generate.
Responsibilities
- Building an incredible product
- Helping users find value and share
- Training cutting-edge models
- Developing scalable infrastructure
- Owning both product strategy and the execution of that strategy without product managers
- Deciding when to bring in qualitative insights (interviews, surveys, etc.) or quantitative data, supported by the data engineering team
- 5+ years of experience building and shipping production software, with deep expertise in Python or TypeScript and a track record of owning systems end-to-end
- Hands-on experience with modern AI/ML tooling (LLMs, fine-tuning, RAG, embeddings, distributed training, inference optimisation, etc.) and proven ability to work directly with models in production
- Strong product intuition and user-centric mindset, able to translate ambiguous problems into simple, high-impact product decisions without product managers
- Startup-ready mindset: comfortable operating with extreme ownership, rapid iteration, and high autonomy within a small, elite technical team
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