Senior Platform Engineer

Polar

full-time

Posted on: 3/12/2026

Location Type: Remote

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About the role

We’re hiring a Senior Platform Engineer to architect and evolve the Polar platform - ensuring the system remains fast, resilient and operationally sound as we scale.
Ensure Platform Reliability & Uptime: Design and evolve systems that maintain high availability, predictable performance and operational stability.
Engineer for Scale & Performance: Strengthen how our distributed services behave under load.
Advance SRE & DevOps Practices: Embed reliability engineering practices across the platform.
Evolve Cloud & Infrastructure Systems: Continuously evolve Polar’s infrastructure baseline.
Strengthen Deployment & Operational Safety: Refine CI/CD systems, rollout strategies and rollback mechanisms.
Improve Observability & Debuggability: Advance logging, metrics and tracing standards.
Collaborate across Engineering, Risk & Legal: Work closely with product and infrastructure engineers, as well as risk and legal stakeholders.

5-8+ years of engineering experience, building and scaling customer-facing SaaS or fintech products in a high-growth environment.
Experience in payments and billing infrastructure - subscription lifecycles, transaction orchestration, refunds/disputes, payouts and financial state management.
Strong backend expertise - you design clear, durable APIs and build systems that are resilient under real-world load and edge cases.
Highly proficient in SQL and data modeling - you reason rigorously about long-term data correctness, performance and reliability across large datasets.
Strong production debugging and observability instincts with an ability to trace complex issues across services and understand how to prevent them in the future.
Experience building or operating distributed systems with strong reliability and operational requirements.
Nice-to-have: Open source contributions or side projects/apps to showcase.

Benefits

Meaningful ownership: Small team & large surface area. You’ll directly influence how the company and platform scale.
Product-driven culture: We build to empower the next generation of software companies - and operate with the same builder mindset internally.
Competitive compensation: Salary and equity aligned with the impact of the role.
Exceptional team: Work with highly talented team members distributed across Europe.
Remote-first environment: Work from anywhere in Europe, with a home office setup budget available.
Annual team offsites: As the team is spread across Europe, we gather in person at least once a year to collaborate, plan, and spend time.
Health Benefits: Comprehensive health coverage to support you and your family.
Parental leave: Paid parental leave aligned with the standards and regulations of your local jurisdiction.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

platform engineeringSRE practicesDevOps practicesCI/CD systemsSQLdata modelingAPI designdistributed systemsobservabilitydebugging

Soft Skills

collaborationproblem-solvingcommunicationresiliencecritical thinking