Mid-Level Fullstack Developer (.NET / Node.js)

Description

Job Summary: We are seeking a Mid-Level Fullstack Developer to work in a collaborative and dynamic environment, contributing to the development, maintenance, and evolution of applications. Key Highlights: 1. Working in a collaborative and dynamic environment 2. Development and evolution of applications 3. Project with potential for long-term duration São Paulo – SP (Hybrid: 2 days per week onsite) **About Avantti Tecnologia** Avantti Tecnologia is a consulting firm specialized in technological solutions and talent allocation for strategic projects, connecting qualified professionals with major companies and global initiatives. About the Opportunity We are looking for a Mid-Level Fullstack Developer with experience in .NET and Node.js to work in a collaborative and dynamic environment, directly contributing to the development, maintenance, and evolution of applications. The position requires a hybrid work model, with 2 days per week onsite at the São Paulo (SP) office. Requirements: **Responsibilities** Develop and maintain web applications using C\# .NET Maintain and evolve existing systems Identify, analyze, and resolve technical issues Participate in technical design decisions and solution planning Develop and integrate RESTful APIs Collaborate with multidisciplinary teams Provide technical support to stakeholders Report activity progress and project status Participate in meetings with technical and business teams **Mandatory Technical Requirements** Solid experience with C\# .NET (3\.5 or later, preferably newer versions) Experience with Node.js Knowledge of AngularJS Experience with RESTful APIs Microsoft SQL Server database knowledge Experience with AWS (Amazon Web Services) **Nice-to-Have** Knowledge of React Experience with Agile methodologies Experience in medium- to large-scale corporate environments **Behavioral Profile** Proactivity and sense of responsibility Strong communication and teamwork skills Analytical ability and problem-solving skills Organization and prioritization skills **Additional Information** Project with potential for long-term duration Collaborative environment focused on continuous improvement