Lead Frontend Architect (Fintech) with Scale & AI

InPost UK is building its fintech platform from the ground up, with a lean, high‑impact engineering organization in Poland and AI‑driven development at its core. As Staff Software Engineer, frontend, you will define architecture across Payments Core, Merchant, or Consumer, author ADRs/RFCs, and drive frontend decisions, performance, and accessibility with cross‑team leadership.

The role is hybrid, with one day per week in the Warsaw or Cracow offices, and offers a diverse, international