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# API Designer

- **Company:** Descripción Del Puesto / Funciones
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Integration Architecture, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Code Review, DevOps, JSON, Microsoft Visual Studio, Microsoft Office, OpenShift, Windows PowerShell, Swagger, Secure Coding, UML, Extensible Markup Language (XML), YAML, Openapi, Scripting, Cloud Platform System, Postman, Git, Xunit, Api Design, Programming Languages
- **Published:** September 30, 2026
- **Apply:** https://startup.jobs/api-designer-trabajos-en-demo-datos-10230446

## About the Role

Fluent level of English

 * Experience: At least 5 years of background experience as an API Designer.
 * Programming Languages & Frameworks: ASP.NET Core, C#, .NET 8.0.
 * API Knowledge: Mandatory API Design knowledge and expertise.
 * Testing: Automated testing with XUnit.
 * Cloud & DevOps: Hands-on experience with Azure, DevOps practices, automation, and scripting.
 * Tools & Software: Visual Studio / VSCode, Git (advanced usage: history rewriting, etc.), PowerShell.
 * Security & Practices: Secure coding practices.
 * Languages: Fluent level of English (written and spoken).
 * Methodologies: Experience working within Agile frameworks., Fluent level of English

## Description

* API Specification & Design: Review and challenge business requirements to specify APIs that fulfill business needs.
 * Code Review & Quality: Create and review Pull Requests on Azure DevOps, ensuring compliance between API specifications and actual code implementations.
 * API Governance & Best Practices: Evangelize best practices across internal API communities and participate in the API Design Authority committee.
 * Process Improvement & Research: Continuously improve team tools and processes, performing and sharing technology watch on API topics.
 * Stakeholder Support: Support both technical and business partners throughout the API integration process., * API Specifications & Formats: OpenAPI 3.x, Swagger 2.0, JSON, XML, YAML.
 * Standards: REST (Richardson Maturity Model levels 2 & 3), ISO, RFC.
 * Modeling Formats: UML (sequence diagrams), MindMap (XMind).
 * API & Integration Tools: Swagger (Editor, Hub), Postman, EDI (VSCode), Office 365.
 * Operations: At ease with production management and monitoring.
 * Cloud Environments: Familiarity with AWS and OpenShift.


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