Senior Product Engineer (Europe)

Senior Product Engineer (Europe)

Company: Polar Location: Remote (Europe) Employment Type: Permanent

About Polar

Polar is building the open-source monetization platform designed to empower the next generation of developers and one-developer startups. We aim to simplify the process of building, shipping, and scaling software, with a particular focus on overcoming the challenges of monetization. Thousands of developers from over 100 countries already use and love Polar, and we are growing rapidly.

About the Role

We are seeking exceptional Senior Product Engineers to join our remote-first team based in Europe. In this role, you will work across our entire technology stack to deliver innovative features, enhancements, and delightful user experiences. You will be deeply focused on the developer experience, enabling them to scale their businesses effectively. This position requires a strong comfort level with jumping between frontend, backend, and infrastructure to autonomously identify, build, ship, and scale features.

At Polar, we prioritize shipping high-quality software quickly. We have minimal meetings and bureaucracy, with engineers deploying code numerous times a day. You will be granted significant agency and autonomy to drive progress towards our mission and serve our developer community.

Key Responsibilities

• Ship code daily to contribute to building the world's leading monetization platform for developers.
• Design, build, and ship features, enhancements, and delightful experiences end-to-end, working across frontend, backend, and infrastructure.
• Collaborate with the team on architectural design, best practices, and ensuring high-quality code across the entire stack.
• Contribute to scaling our infrastructure to handle increasing traffic and complexity, including optimizing database queries and services for performance.
• Continuously improve the quality of our services and the overall developer experience.
• Engage frequently with our developer community to identify pain points and develop solutions.

About You

• 5+ years of experience building, shipping, and scaling high-quality software.
• Experience as a founder, startup CTO, open-source maintainer, or significant side-project contributor.
• Proven ability to ship quickly and solve complex problems.
• Strong proficiency with our tech stack or similar programming languages, with a demonstrated ability and eagerness to learn new tools rapidly.
• Excellent problem-solving skills with a keen eye for developer experience.
• Experience with cloud infrastructure and multi-cloud environments.
• Experience working with DevOps practices, comfortable maintaining, scaling, and improving infrastructure, and participating in on-call rotations.
• Strong collaboration skills, comfortable working closely within a small, high-performing team.
• A deep commitment to the craft of software development, including aspects like user experience, edge-case handling, performance optimization, and delightful animations.
• (Bonus) Experience with payments, billing systems, or developer tools.

Our Stack

• Frontend: React & Next.js with Tailwind CSS, Shadcn, TanStack Router.
• Backend: Python (FastAPI), Postgres, Redis, Dramatiq.
• Cloud: Cloudflare, Render & AWS.

What We Offer

• Competitive compensation and equity.
• A remote-first and open-source culture. Work from anywhere in Europe (CET ±2 hours) and contribute to Polar openly.
• Generous workspace allowance for home office setup or co-working membership.
• High ownership: Shape our product, architecture, open-source libraries, SDKs, and developer experience from the ground up.
• Twice-yearly team offsites to connect, brainstorm, and experience local culture.
• A fast-moving, pragmatic environment focused on momentum and shipping.
• A mission with leverage: Build tools that empower other builders, creating compounding impact.

How to Apply

Please submit your application along with a suggestion on how to improve Polar's developer experience today. We are eager to hear your ideas.

Application Process

Our entire process is fully remote, conducted via email, GitHub issues/PRs, and video calls. You can expect:

• Application Review: Initial review followed by a potential short video call with the Founder.
• Team Interviews: Deeper technical and cultural conversations with team members.
• Open Source Assignment: A collaborative, asynchronous task on a GitHub issue within Polar or its dependencies.
• Final Call: A discussion about your work, feedback, and suggestions for improving the Polar developer experience.
• Reference Calls: To confirm impressions and ensure a productive start.
• Offer.