Job title: Senior F# Developer Contract: Freelance Contract Duration: 6 months + Transition to permanent contract Location: Barcelona or Algeciras

We are hiring for an F# Developer for our client in the transportation sector. You'll own the full application lifecycle research, design, development, testing and continuous deployment and delivery of a Fleet Management System. It's a mission critical, real time systems role, adecuado for someone with deep functional and object oriented programming expertise.

Key Responsibilities: Own the full lifecycle design, build, test and deploy of complex distributed cloud agnostic systems, delivering quickly through ambiguity Engineer resilient systems, owning the service's availability and scalability Lead design and code reviews that lifts both the codebase and the team Shape RESTful API design end to end versioning, backwards compatibility, authentication, retry mechanisms and rate limiting Keep builds green and uphold the branching / code management strategy Work across R&D;, IT and Business Operations to align product and operational needs, and build integrations across internal and customer systems Advise Product Owners on risks, technical debt and improvement opportunities,



and drive continuous improvement through retrospectives and cross-team communitie

Required skills: Design and programming skills primarily in backend with a focus on enterprise level solutions using F# and .NET Core, .NET 6/7/8. Working experience with C# and Python is a plus. Experience of developing and debugging RESTful microservices Experience working on low latency, highly scalable applications Strong design and development experience in distributed, clustered, and multi-threaded applications Experience in design and implementation of service interface and public APIs Strong proficiency in object-oriented programming C++ (modern standards preferred) Experience with Production-Grade Container Orchestration viz. Kubernetes etc. Experience working with databases and data models SQL, NoSQL, document DB, Cosmos DB etc. Experience with Fluent NHibernate, Protocol Buffers & Robot Framework Solid experience with CI/CD tools – Gitlab, Jenkins Strong experience of Agile, Behavioural Driven Development & Test-Driven Development Hands on experience in modular development of enterprise level application, development experience with Fleet Management System (FMS) is highly preferred

Please apply for more information.

📌 Senior F# Developer (Madrid)
🏢 La Fosse
📍 Madrid