Job Title: Senior AI Product Engineer
Location: Remote +/- 4 hours GMT for collaboration
Type: Full-time, Permanent
Working style: Remote-first
About Kota
Kota is reimagining insurance and retirement benefits for the modern workforce. Through our two flagship products, Kota Platform, the first fully integrated benefits platform, and Kota Embed, our embedded insurance solution, we are making benefits more accessible, valued, and general.
Today, we power benefits for tens of thousands of employees at Europe's most forward-thinking companies, including Carwow, Tines, Zoe, and Remote. Founded in 2022, we have raised more than 20M EUR from leading investors like EQT Ventures, Eurazeo, Northzone, and Frontline, along with founders and executives from Workday, Remote, Personio, OpenAI, and more.
We work remotely and our team is spread across the world.
The Role
This is a role on Kota's AI pod. We are building out a generative AI capability from the ground up, the first of its kind at Kota, and we need a senior engineer who can help us do that with rigour and taste.




You will work directly with the AI Product Lead to design, build, and evaluate agent systems that help Kota's employer admins and employees make better use of their benefits data. This is early-stage, high-ownership work. You will be making real architectural decisions, not executing a predefined playbook.
What You'll Do

Design and ship AI agent systems end to end, from early experiments through to production, owning the data access layer, retrieval strategy, and integration with Kota's existing infrastructure including Metabase and internal APIs
Build and own the evaluation framework from scratch, including golden datasets, regression harnesses, and the ability to distinguish retrieval from generation failures; think adversarially about prompt injection, data boundary violations, and silent failure modes in a regulated context
Set the technical direction for AI at Kota, with a seat at the table on agent archite

📌 Senior AI Product Engineer (España)
🏢 Kota
📍 España