Altius

full-stack .NET developer in warehouse and distribution

In short

Grupo Altius is hiring a senior full-stack .NET developer to build and maintain C#/.NET services and REST API integrations for its warehouse and distribution logistics systems (WMS/SGA). The role covers the full SDLC — design, development, testing, deployment and support — plus integrating with suppliers and partners. Requires at least 3 years of experience with C#/.NET, REST APIs, JSON/XML, SQL databases and Git, ideally with logistics-sector background. Hybrid position based in Barcelona, Spain.

About
At Grupo Altius, we bring flexibility, creativity and credibility to the diverse range of services we provide across the supply chain, as well as the peace of mind of belonging to a group with unquestionable financial strength, such as Grupo Davila. We believe people are our greatest asset. If you are looking for an environment where talent and well-being are priorities, we invite you to join our team. Grupo Altius is looking to hire a Programmer and Integrator with experience in .NET / C# and application integration for the Contract Logistics (Warehousing and Distribution) environment.
Responsibilities
•Design, develop and maintain services and applications with C# and .NET (.NET Core/current).
•Build and consume REST APIs and integration services, including error handling, retries and traceability.
•Work with JSON and XML payloads, mainly mappings, validations and transformations, and end-to-end integrations.
•Integrate logistics systems: WMS/SGA, and typical warehouse/distribution flows (inbound, stock, orders, dispatches, tracking, incidents) according to business needs. (Responsibility described at a functional level; the exact details will be adapted to your context.)
•Participate in the complete SDLC: requirements gathering, design, development, testing, deployment and support.
•Debug, troubleshoot and improve performance, including the stability of integrations and internal applications.
•Document integrations (contracts, endpoints, mapping, flows and technical decisions).
•Collaborate with Operations, IT, suppliers and/or partners to ensure robust integrations.
Requirements
•At least 3 years of experience in a similar role, preferably with experience in the logistics sector.
•Solid experience with C# and .NET (ideally .NET Core / modern versions).
•Real-world experience with REST APIs (design, consumption, authentication, versioning).
•Experience handling JSON and XML in integrations.
•Experience integrating applications/systems (middleware, lightweight ETL, services, queues or integration patterns depending on the context).
•Knowledge of SQL databases (SQL Server or others): queries, procedures, basic optimization.
•Knowledge of version control (Git) and teamwork.
•API testing with tools such as Postman and good testing practices (unit/integration).
•A focus on quality, organization and documentation (maintainable integrations).
•Problem-solving and analytical skills (debugging, RCA, proactivity).
•Good communication with business/operations and third parties (suppliers, clients, manufacturers, etc.).
•Ability to work in Agile/Scrum environments (if applicable).
Nice to have
•Experience in a logistics environment (highly valued): experience in Warehouse / Supply Chain / Logistics / last-mile Distribution and/or integration with WMS/SGA.
•Higher Technical Diploma in Multiplatform Application Development (DAM) or Higher Technical Diploma in Web Application Development (DAW).
•Frontend experience (e.g. React/Angular/TypeScript) or ASP.NET MVC for internal screens/dashboards.
•Knowledge of Azure / DevOps / CI-CD (Azure DevOps, pipelines, etc.).
•Experience with WCS/WES, warehouse automation or IoT integrations (if applicable).
•Experience with application migrations or modernization (legacy to modern .NET).
•Knowledge of Java.
•English (high proficiency valued).
Conditions
No conditions stated in the posting.

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