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Senior Full Stack Engineer (F# / ASP.NET Core / ReactJS) – Remote (Europe) (f/m/

Open 20d

Summary

Build and maintain B2B SaaS products using F#, ASP.NET Core, and React.js, collaborating in a cross-functional team while applying functional programming and modern cloud integrations.

Your mission

Your Role

  • Collaborate closely with our development team on products built with F# (ASP.NET Core) and React.js
  • Take full ownership of features, working closely with product in a cross-functional team
  • Apply a functional programming approach and contribute to architectural discussions
  • Keep our tech stack up to date and scalable
  • Implement, optimize, and maintain new product features
  • Improve all phases of the product lifecycle – from planning to deployment/production
  • Build and maintain integrations with third-party systems like Azure and Office365

Your profile

  • 4+ years of experience in full stack or backend engineering
  • Hands-on experience with **F# (or C# combined with a strong motivation to learn F#), as well as ASP.NET Core, **React.js, **JavaScript, and TypeScript
  • You ideally have experience in scaling SaaS products and developing B2B or line-of-business applications
  • Familiarity with Vertical Slices, CQRS, Event Sourcing, and Domain-Driven Design is a strong plus
  • Experience working with Azure and/or Office365 APIs (e.g., Microsoft Graph API) is beneficial
  • You bring a solution-oriented, proactive mindset and work independently and reliably
  • Fluent in English (written and spoken)
  • Based in Europe or a European time zone

Why us?

  • Experienced founder team: Pragmatic, fast-moving, and focused on open communication without ego
  • Work from anywhere: Hamburg office, a van in Greece, or a sailing boat in Turkey – your call
  • Hybrid & remote culture: Flexible hours, trust-based collaboration, and flat hierarchies
  • Workation & team events: We invest in real connection, whether in Lisbon, Copenhagen, or Mallorca
  • Learning & development: Personal learning budget and ownership over your growth
  • Modern tech stack: ASP.NET Core, React.js, F#, functional programming, event-driven architectures, AI, Azure
  • Real product impact: Work closely with product and engineering on what really mattersReady to Join Us?

We’d love to hear from you! Just click "Apply Now" and fill out the short application form – including a few screening questions to speed up the process.

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