> Markdown version of [/jobs/ext/2080076-senior-f-developer](https://www.wearedevelopers.com/jobs/ext/2080076-senior-f-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior F# Developer - **Company:** La Fosse - **Location:** Almería, Spain - **Contract:** Permanent contract - **Skills:** .NET Framework, Adobe InDesign, Agile Methodology, Application Lifecycle Management, Acceptance Test-Driven Development, User Authentication, C Sharp (Programming Language), C++ (Programming Language), Cloud Computing, Computer Programming, Databases, Continuous Delivery, Continuous Integration, Software Debugging, Protocol Buffers, Python (Programming Language), NHibernate, NoSQL, Object-Oriented Software Development, SQL Databases, Management of Software Versions, Multithreading, Real Time Systems, .NET Core, Technical Debt, Backend, Gitlab, Kubernetes, Low Latency, Cosmos DB, Restful APIs, Software Version Control - **Published:** August 16, 2026 - **Apply:** https://www.buscojobs.com.es/senior-f-developer-en-almeria-ID-367585512 ## About the Role It's a mission critical, real time systems role, ideal 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 ambiguityEngineer resilient systems, owning the service's availability and scalabilityLead design and code reviews that lifts both the codebase and the teamShape RESTful API design end to end versioning, backwards compatibility, authentication, retry mechanisms and rate limitingKeep builds green and uphold the branching / code management strategyWork across R&D, IT and Business Operations to align product and operational needs, and build integrations across internal and customer systemsAdvise Product Owners on risks, technical debt and improvement opportunities, and drive continuous improvement through retrospectives and cross-team communitieRequired 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 microservicesExperience working on low latency, highly scalable applicationsStrong design and development experience in distributed, clustered, and multi-threaded applicationsExperience in design and implementation of service interface and public APIsStrong 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 FrameworkSolid experience with CI/CD tools - Gitlab, JenkinsStrong experience of Agile, Behavioural Driven Development & Test-Driven DevelopmentHands on experience in modular development of enterprise level application, development experience with Fleet Management System (FMS) is highly preferredPlease apply for more information. ## Description Job title: Senior F# DeveloperContract: Freelance Contract Duration: 6 months + Transition to permanent contractLocation: Barcelona or AlgecirasWe 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, ideal 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 ambiguityEngineer resilient systems, owning the service's availability and scalabilityLead design and code reviews that lifts both the codebase and the teamShape RESTful API design end to end versioning, backwards compatibility, authentication, retry mechanisms and rate limitingKeep builds green and uphold the branching / code management strategyWork across R&D, IT and Business Operations to align product and operational needs, and build integrations across internal and customer systemsAdvise Product Owners on risks, technical debt and improvement opportunities, and drive continuous improvement through retrospectives and cross-team communitieRequired 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 microservicesExperience working on low latency, highly scalable applicationsStrong design and development experience in distributed, clustered, and multi-threaded applicationsExperience in design and implementation of service interface and public APIsStrong 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 FrameworkSolid experience with CI/CD tools - Gitlab, JenkinsStrong experience of Agile, Behavioural Driven Development & Test-Driven DevelopmentHands on experience in modular development of enterprise level application, development experience with Fleet Management System (FMS) is highly preferredPlease apply for more information. ## Related Videos - [F#, path to functional enlightenment](https://www.wearedevelopers.com/videos/706-f-path-to-functional-enlightenment) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)