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Staff Infrastructure Engineer at Polar. Remote Location: Europe (Remote). Why Polar?. It's never been easier to build, ship and scale software.. But it's never been harder to monetize it.. We're obsessed over solving this to empower the future one-developer unicorns.. These unicorns will be rare but inevitable. Whether in 3, 5, or 10+ years, they also symbolize a broader shift . already in motion and accelerating. :. Smaller & smaller teams with.... Exponential revenue/employee growth. Focusing fully on their core product and marketing. Delegating & automating everything else that's boilerplate – be it in their codebase or business operations.. Exceptional billing primitives, APIs, SDKs and abstractions are a crucial foundation, but not enough. They will need a full-fledged platform to oversee, manage and scale their business.. Turning their software into an international business in 6 lines of code.. Join our small, talented and engineering-led team across Europe to shape how future software businesses are built. We focus on shipping at high velocity to serve developers in unlocking their next stage with their business. Everything else is secondary.. Infrastructure Engineering at Polar. We're thrilled to hire our first Infrastructure Engineer at Polar! . We want to avoid creating silos between product and infrastructure engineering. Or our infrastructure getting so complicated early on that backend engineers are unable to dive in and assist in case of issues (on-call).. However, we are looking for someone to obsess over how we can scale, reduce latency and maintain world-class uptime. Spearheading those efforts standalone, but in close collaboration with backend engineers across the team and designed to ensure the full team is familiar with our infrastructure and can contribute.. Our Stack. Frontend: React & Next.js with Tailwind CSS, Shadcn, TanStack Router and more.. Backend: Python (FastAPI), Postgres, Redis, Dramatiq,. Cloud: Vercel, Render & AWS. Always subject to change as we scale and new technologies emerge.. Role & responsibilities. We’re hiring a . Staff Infrastructure Engineer. to design, build, and operate the foundation that powers Polar. From payments orchestration to global payouts, our systems demand world-class availability, reliability, and trust. You’ll set the technical direction for our infrastructure and lead by doing; hands-on in code, but also raising the bar for the whole team.. Own the end-to-end architecture, implementation and maintenance of our infrastructure: design, deployment, scaling, observability, and security. Define standards and best practices for infrastructure across the engineering team. Lead reliability engineering practices: SLOs, on-call, incident response, and postmortems. Drive world-class observability: metrics, tracing, logging, and alerting. Build and evolve CI/CD pipelines and developer tooling to maximize velocity without compromising reliability. Continuously improve security, compliance, and data protection across production systems. Work with engineering team to design scalable, resilient systems for billing and financial operations. Mentor and level up backend engineers to contribute confidently to infrastructure and during on-call rotations. What we're looking for. 8+ years of experience in infrastructure, SRE, or backend engineering roles. Comfortable as the first dedicated infra hire. Setting technical direction while executing hands-on. Proven track record designing and operating infrastructure for high-availability, high-security, mission-critical systems. Deep experience with cloud platforms (AWS, GCP, or similar) and infrastructure-as-code (Terraform, Pulumi, etc.). Strong background in observability, reliability, and incident management. Collaborative by default. You design systems so others can contribute and maintain them, not just you. Excellent communicator and technical leader. Able to influence, mentor, and set standards across the team. How we hire. Our process is fully remote, and all communication happens via email, GitHub issues/PRs and/or video calls:. Application Review → Short intro call with Birk (Founder). Assignment → Open source PR (Engineering) or case study. Review & interviews (2-3 video calls) to:. Meet future team. Review and discuss the assignment & feedback + technical questions. Meet Birk (Founder). Reference Calls. Offer 🎉