Senior Full Stack Engineer – F#, ASP.NET Core, ReactJS

gertrud digital GmbH

Senior Full Stack Engineer responsible for product development using F# and React.js at Boardwise GmbH. Collaborating with a cross-functional team to enhance product features and maintain third-party integrations.

Posted 7/23/2026full-timeRemote • 🇩🇪 GermanySenior💰 €50,000 - €70,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in F# and ASP.NET Core for full stack development, with a strong focus on building scalable SaaS products and integrating with Azure and Office365. Proficient in applying functional programming principles and improving product lifecycle phases from planning to deployment.

Highest-signal resume keywords

F# ProgrammingASP.NET Core DevelopmentReact.js DevelopmentAzure IntegrationSaaS Product Scaling

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Applicant Tracking System Keywords

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Hard Skills

F#ASP.NET CoreReact.jsJavaScriptTypeScriptCQRSEvent SourcingDomain-Driven DesignVertical SlicesMicrosoft Graph API

Soft Skills

Solution-Oriented MindsetProactive ApproachIndependent WorkReliability

Tools & Technologies

AzureOffice365

Industry Keywords

B2B ApplicationsLine-of-Business ApplicationsProduct Lifecycle Management

Tech Stack

Tools & technologies

ASP.NETAzureJavaScript.NETReactTypeScript

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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)

Benefits

Comp & perks

Work from anywhere: Hamburg office, a van in Greece, or a sailing boat in Turkey – your call
Flexible hours, trust-based collaboration, and flat hierarchies
We invest in real connection, whether in Lisbon, Copenhagen, or Mallorca
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 matters