Senior Product Engineer – Billing & Dev Experience

Bazeta; Northern (KY); Remote; USD 80,000 - 120,000; Full time

Job summary

Polar is seeking a senior engineer to shape and build the finance layer for AI products. You’ll own end-to-end product development, from API design to customer-facing interfaces, with a strong focus on developer experience and performance.

Experience with payments, billing, or developer tools is a strong plus, and open-source contributions are valued. This is a remote-first role with a small, shipping-driven team.

Qualifications

• Senior engineer with strong technical foundations and product judgement.
• Experience shipping and evolving production software across frontend and backend.

Responsibilities

• Own product development end-to-end across the stack.
• Build exceptional developer experiences with intuitive interfaces and APIs.
• Ship with speed and quality, balancing rapid iterations with robust engineering.
• Stay close to users to translate feedback into meaningful product improvements.

Skills

Frontend development

Backend development

Developer experience

API design

Performance

Open-source contributions

Tools

TypeScript

React

Python

FastAPI

Dramatiq

PostgreSQL

ClickHouse

AWS

Job description

Polar is seeking a senior engineer to shape and build the finance layer for AI products. You’ll own end-to-end product development, from API design to customer-facing interfaces, with a strong focus on developer experience and performance.

Experience with payments, billing, or developer tools is a strong plus, and open-source contributions are valued. This is a remote-first role with a small, shipping-driven team.