Senior Backend Engineer – build payment infrastructure at Dintero

About the roleIf you enjoy building backend systems where reliability and correctness really matter, this is an opportunity to work on the core – not the edges – of a payment platform. Dintero is looking for a senior engineer who wants to own what they build. About DinteroDintero is a Norwegian fintech company that develops and operates its own payment infrastructure, from transaction through settlement and risk. Its platform handles more than 150 million API calls a month, and Dintero has direct access to Visa and Mastercard. A small engineering team works on challenges spanning distributed systems, high availability and financial correctness. You will be close to architectural decisions and production, with short decision paths and a culture that values sound engineering over unnecessary process. The role is on-site in Nydalen, Oslo. What you will doDesign and own backend services end-to-end Build APIs used by merchants and partners Make architectural decisions with long-term impact Improve scalability, observability and operational quality Ship frequently and own what you run in production The stack includes Node.js and TypeScript, microservices, Infrastructure as Code and AWS services such as Fargate, Lambda, DynamoDB and Aurora. Dintero values sound engineering decisions over chasing trends. Who we are looking forAt least five years of backend development experience Experience with distributed systems and architectural trade-offs Experience owning complex production systems Cloud experience; AWS is a plus Scandinavian language is a plus, but not required What we offerReal ownership of critical payment systems A strong engineering culture with short decision paths Competitive salary aligned with Tekna levels Stock options and direct influence on the platform The process includes a meet and greet, a technical interview and a meeting with the team. Applications are reviewed on a rolling basis, and interviews are held continuously. The role may be filled before the deadline, so we encourage you to apply as early as possible. Apply no later than 30 November 2026. For questions or a confidential conversation, contact ctd@yourheadway.no.