Job Summary: We are seeking a software developer for Windows applications in C#, working across all stages of the software development lifecycle within a multidisciplinary team. Key Highlights: 1. Involvement in high-complexity projects alongside experienced professionals. 2. An environment that fosters creativity and professional growth. 3. Innovation-driven culture at an ISO 27001-certified institute. We are hiring a software developer for Windows applications using Windows Forms or WPF technologies, with a strong foundation in C#, Object-Oriented Programming (OOP), and SQL, as well as adherence to software development best practices. The candidate will join a multidisciplinary team working on a project with a national company in the electrical power equipment sector. This is an on-site position. **Responsibilities and Duties** Responsible for developing, testing, and documenting desktop applications in C#. Participation in all phases of the software development lifecycle: Analysis, Design, Coding, Testing, and Deployment. **Requirements and Qualifications** Education: Computer Science / Systems Analysis / Computer Engineering Programming Language and Platform: Proficiency in C# and the .NET ecosystem (Framework and/or Core). Desktop Technologies: Experience with Windows Forms (WinForms) and/or WPF (Windows Presentation Foundation). Databases: Knowledge of SQL (MS SQL Server, etc.) and ORMs (Entity Framework). Object-Oriented Programming (OOP): Mastery of OOP concepts and design patterns (MVC, MVVM). Best Practices: Application of SOLID principles, unit testing (xUnit, NUnit), and refactoring. Tools: Use of Visual Studio (primary IDE) and version control tools (Git). Integration: Experience with REST APIs and web services (SOAP) for communication with other systems. Ability to work collaboratively and independently Intermediate English **Additional Information** * **We Offer:** A cooperative and merit-based work environment; Competitive compensation aligned with profile and experience; An excellent benefits package. FITec is hiring professionals from the fields of engineering, computing, mathematics, and statistics to work in Research, Development and Innovation (R&D&I). New hires will participate in high-complexity projects alongside highly experienced professionals, in an environment conducive to creativity and professional development. An innovation culture permeates its more than 400 highly qualified professionals — with advanced academic backgrounds and extensive experience — located in Manaus, Recife, Belo Horizonte, Campinas, and São José dos Campos. The solutions developed by FITec have been deployed in over 25 countries, with a broad track record of successful product family developments across industries including Manufacturing, Agribusiness, Telecom, IT, Electrical Energy, Healthcare, and Automation. Strategic partnerships with universities and major national and international companies further reinforce FITec’s identity as a cutting-edge R&D center, strengthening its position within the innovation ecosystem. **FITec** is an ISO 27001-certified Science and Technology Institute (ICT), accredited by MCTI, SUFRAMA, and EMBRAPII, authorized to develop projects across multiple market segments, and eligible for all government incentives supporting R&D&I, including the Informatics Law (CAPDA and CATI), the “Lei do Bem”, ANEEL R&D, ANP R&D, FINEP, BNDES, PADIS, and EMBRAPII.