***TESIS operates with SALARY EXPECTATIONS.*** **Location:** On-site – Santos, São Paulo **Area:** Industrial Systems | Web Development | Industrial Environment **About TESIS** With over 30 years of experience in technology, automation, and system integration, TESIS is a reference in industrial solutions for major clients in the steel, metallurgical, and energy sectors. We operate with innovation, information security, and high-performance technical management, always aligned with the pillars of Industry 4.0. **Responsibilities** Develop and maintain web applications in a corporate environment; Develop solutions using .NET technologies applied to industrial systems; Integrate systems via Web Services, WebAPI, and WCF; Develop and maintain applications focused on usability and responsiveness; Support the maintenance and evolution of systems used in industrial and steelmaking environments. **Technical Requirements** Languages and Development Web Development in .NET C# ASP.NET ASP.NET MVC HTML5 CSS3 JavaScript JSON jQuery XML Ajax Frameworks and Libraries .NET Framework 4.5 or earlier Entity Framework 4.0 or later AngularJS Bootstrap (Responsive Design) Databases SQL Server T-SQL ADO.NET Integrations and Services Web Services WCF WebAPI **Professional Experience** Proven experience in systems development; Experience in the steel industry is desirable. Job Type: Full-time, Direct Hire (CLT) Compensation: Starting from R$2,000.00 per month