Polar
Product Engineering
U.S. / Europe · Remote · Full-time · Posted Oct 8, 2026
About the job
Build and improve Polar’s billing and monetization product, including developer-facing interfaces and APIs, from identifying opportunities through shipping and iteration.
What you'll do
- Own product development end to end, from identifying opportunities to shipping and iterating on features.
- Create intuitive interfaces, APIs, and abstractions for billing and monetization workflows.
- Engage with merchants and turn their feedback into product improvements while balancing delivery speed and quality.
What they ask for
- Experience building, shipping, and evolving production software, with deep expertise in at least one part of the stack and confidence working across frontend and backend systems.
- Strong product judgement and design sensibility, including a focus on developer experience.
- Ability to take ownership, work autonomously through ambiguity, and make pragmatic decisions.
- Commitment to engineering quality, including robust logic, performance, and attention to edge cases.
Nice to have
- Experience with payments, billing, or developer tools.
- Open-source contributions or side projects.
Tools
Typescript, React, Effect, Python, FastAPI, Dramatiq, Postgres, Clickhouse
AI focus
The product supports the finance layer for AI products, including usage-based billing, programmable pricing, and AI agents. Engineers may also use AI-assisted development tools.
Model-written summary · the original posting is authoritative