We are looking for a .NET C\# Developer with proven solid experience of at least 3 years in the .NET C\# ecosystem to create complete solutions, from scalable backend services to dynamic user interfaces. If you are an expert in C\# and passionate about building the full architecture of an application, this opportunity is for you! **Modality:** On-site in San Isidro. **Working hours:** Monday to Friday, from 9 a.m. to 6 p.m. MyApps is a company specialized in custom software development, tailored to each client's specific needs. Our focus is on creating solutions that optimize processes, increase productivity, and generate value for businesses. We have a technical team that accompanies our clients from analysis through to final project implementation. Requirements 1\. Core Experience and Backend Development (3\+ years REQUIRED) **Required Experience:** Minimum of 3 years of proven experience in Fullstack/Backend development. **.NET and C\# (MANDATORY):** Advanced proficiency in developing backend services and applications using the .NET framework and C\# language (Web API, Microservices). **Robust APIs:** Ability to implement and maintain robust and efficient REST APIs. **Documentation:** Experience in API documentation using tools such as Swagger (mandatory). **System Integration:** Experience integrating complex systems with different technologies such as Java, PHP, and NodeRed. **On\-Premise Deployment:** Experience deploying applications in On\-Premise environments. 2\. Frontend Development (Desirable/Plus) **Modern Frameworks (REACT Optional):** Experience in developing user interfaces with REACT or other modern JavaScript frameworks (Angular, Vue). **Node.js (NodeRed Optional):** Knowledge or willingness to work with flows in Node\-js (NodeRed). **Other Languages (Plus):** Knowledge of PHP and Laravel. 3\. Databases (MANDATORY) **SQL Server:** Advanced expertise in managing and optimizing SQL Server (versions 2019/2012 or higher). **MySQL and PostgreSQL:** Proven experience handling and optimizing queries in MySQL and PostgreSQL databases. **Query Optimization:** Ability to optimize queries, manage schemas, and ensure performance of relational databases. 4\. Tools and DevOps (PREFERRED/OPTIONAL) **Containers:** Experience using Docker for containerization and deployment of .NET services (preferred). **Cybersecurity:** Knowledge of API security standards, including JWT, OAuth 1 and 2 (optional). 5\. Academic Background **Degree:** Bachelor's degree or University Title in Software Engineering, Computer Science, Systems, or related fields. **Alternative:** Technical Degree in Computing and Information Technology with relevant experience. Benefits If you are passionate about directly contributing to a challenging business and having your work impact our customers' satisfaction, this role is for you. Let's go all in! **We offer:** Opportunities for learning and professional development. Collaborative and dynamic work environment. Training in project management and digital tools.