Senior Backend Engineer

IntroductionBetalo is a licensed payment institution under the supervision of Finansinspektionen (the Swedish Financial Supervisory Authority). We run a payments platform serving both consumers and businesses, and we're looking for a Senior Backend Engineer to take technical ownership of our backend — architecture, infrastructure, and the systems that keep payments moving reliably. We're a small team. That means real ownership, real decisions, and work that ships. About BetaloBetalo is a Swedish payment institution in active growth and expansion. We build and operate our own payments platform, giving consumers and businesses a fast, reliable way to move money. Our core is invoice payments through cards. We're licensed by and under the supervision of Finansinspektionen, and our engineering team owns the full stack — from infrastructure to product. The roleYou'll lead the technical direction of our backend, working closely with product and the rest of engineering. Day to day that means:Making architecture decisions and setting the technical roadmap for the backendDesigning, building and operating our payment services (Go, PostgreSQL)Owning our cloud infrastructure: AWS environment, Terraform/IaC, CI/CD pipelinesEnsuring production reliability — monitoring, observability, incident responseImplementing the technical controls required as a regulated payment institution: audit logging, access control, data protection, and supporting AML/KYC-related system requirementsDriving adoption of AI-assisted development — code assistants, agentic tooling — and evaluating AI use cases in the platform such as internal automation, within regulatory and compliance constraintsSprint planning and prioritization together with productVendor and integration work with banks and payment partnersKeeping systems and processes documented, including for FI reporting and auditsOptimizing cloud spend Who we're looking forWe believe that you have 8+ years of backend development experience, preferably including experience in a senior or lead role. Strong production Go experience is required.Beyond that, you are:Hands-on and decisive. You're comfortable making technical calls and taking responsibility for them end to end.Pragmatic. You design systems that solve real problems, not just interesting ones. You know when to keep it simple.Reliable in production. You've owned systems under real load and know what it takes to keep them running.Commercially aware. In a small company, technical choices have direct business consequences. Required: Hands-on AWS and Terraform experience.Strong plus: Prior experience in fintech, payments, or another regulated environment. Understanding of PSD2/AML context shortens onboarding significantly.Plus: Experience using AI coding tools in daily work (Copilot, Claude Code or similar) and integrating LLM APIs into backend services. What we offerFull technical ownership in a small, high-trust teamDirect influence on architecture and product directionA regulated environment where good engineering genuinely mattersOpportunity to grow with the companyOffice in central Stockholm Practical📍 Location: Stockholm🕐 Scope: Full time📅 Start: By agreement Send a short application and tell us about something you've built. Betalo AB (publ) is a payment institution licensed by and under the supervision of Finansinspektionen.