NET C# Developer with expertise in building robust APIs using OData and Entity Framework. The idóneo candidate will also have strong proficiency in writing efficient SQL queries and an understanding of best practices for data modeling, performance tuning, and security. As a part of our development team, you will work closely with cross-functional teams to design, build, and maintain scalable and secure APIs that integrate seamlessly with our services and data sources.

Design, develop, and maintain RESTful APIs with a focus on OData integration, enabling efficient querying and data retrieval.

OData Implementation: Utilize OData to expose data from various sources, allowing clients to query and manipulate data efficiently via requests.

Entity Framework: Work with Entity Framework to create, update, and query data models, ensuring efficient database interactions and optimal performance.

SQL Query Writing: Write complex SQL queries to interact with relational databases, optimize performance, and ensure data consistency.

System Design & Architecture: Participate in designing scalable, high-performance architectures for APIs and backend systems.

Code Quality: Collaboration: Work closely with other developers, product managers, and QA engineers to deliver high-quality features on time. Identify, troubleshoot, and resolve technical issues, bugs, and performance bottlenecks in a timely manner. NET technologies, OData, Entity Framework, and SQL, and apply best practices to improve system performance, reliability, and scalability. NET C# development, with a focus on building APIs and working with web services.

Entity Framework:



Experience working with Entity Framework to map data models to database schemas and interact with relational databases.

SQL Proficiency: Strong ability to write and optimize complex SQL queries and work with relational databases (e.g., SQL Server, PostgreSQL, etc.).

Web API Knowledge: Familiarity with RESTful API principles and experience working with technologies like JSON, and Web API frameworks.

Version Control: Experience using version control systems like Git or SVN. Strong analytical and debugging skills, with the ability to troubleshoot and optimize code for performance and reliability.

Cloud Experience: Familiarity with cloud platforms like Azure or AWS for hosting and scaling web applications.

Unit Testing: Experience writing unit tests and using frameworks like NUnit, MSTest, or xUnit.

CI/CD: Familiarity with continuous integration/continuous deployment (CI/CD) pipelines and automated testing.

Experience developing real‑time applications and APIs using SignalR or similar technologies.

Experience with Azure Service Bus or other enterprise messaging platforms for asynchronous communication and system integration.

Azure Ecosystem: Familiarity with Azure integration services and cloud-native development patterns, including messaging, event processing, and scalable backend services.

Experience leveraging AI-assisted software development tools such as Claude Code, GitHub Copilot, ChatGPT, or similar platforms to enhance developer productivity, code quality, troubleshooting, testing, and documentation. Familiarity with modern AI-driven development workflows, including prompt-based code generation, code review assistance, refactoring, and automated test creation. #

📌 .NET / C# Developer (Madrid)
🏢 JobFlurry
📍 Madrid