Done.ai · Oslo, NO
Skills: React, TypeScript, JavaScript, React Native, C#/.NET, SQL
At Done Spend, you’ll build the features and integrations that help businesses manage corporate cards, capture expenses and control spending in real time. As our Full Stack Engineer, you’ll take ownership of core platform components, contribute to architectural decisions and follow your work from initial idea through to deployment. Working closely with our Technical Lead and Product team, you’ll help shape how features are built and how the platform develops. For this role, we welcome candidates who would like to work from either our Oslo, Stockholm or Skövde office. What you’ll work on Your work will span frontend development, backend services and integrations. Alongside building new features, you’ll improve the reliability, security and performance of the platform businesses use to manage their spending. Your responsibilities will include: Building and maintaining secure, scalable frontend and backend components. Developing API integrations, authentication flows, webhooks and data synchronisation processes. Contributing to technical design and assessing the feasibility of new features with Product. Writing unit and integration tests, investigating bugs and improving performance and monitoring. Maintaining clear technical documentation and identifying opportunities to improve automation and reliability. You’ll also contribute to sprint planning and retrospectives, helping the team improve how it delivers software. What you’ll bring You have 2 to 4 years of experience building production applications and can work across both frontend and backend development. We’re looking for: Strong JavaScript and TypeScript skills, with experience writing production code across the stack. Experience in fintech, particularly payments or spend management, is a strong advantage. Experience with React and modern single-page application frameworks. Experience with NestJS or a comparable structured backend framework, such as .NET. Experience building and consuming RESTful APIs and/or wo…
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