Senior .NET Developer (C#)

Description

**About the Position:** We are seeking a software development professional passionate about building innovative solutions to join our team. The ideal candidate is proactive, possesses strong teamwork skills, and has experience in .NET C\# development. **Key Responsibilities:** * Develop and maintain applications using .NET Framework and .NET Core; * Build RESTful APIs for integration with various systems; * Implement solutions using C\# and SQL Server databases; * Perform unit and integration testing to ensure code quality; * Participate in all phases of the software development lifecycle—from requirements analysis through deployment; * Collaborate closely with other developers and internal business units. **Mandatory Requirements:** * Solid experience in C\# development; * In-depth knowledge of .NET Framework and .NET Core; * Experience with SQL Server databases; * Proficiency in design patterns; * Experience developing RESTful APIs; * Familiarity with agile methodologies (Scrum, Kanban); * Bachelor's degree in Computer Science, Information Systems, or related fields. **Desirable Qualifications:** * Experience with frameworks such as ASP.NET MVC, ASP.NET Core MVC, Entity Framework; * Knowledge of other programming languages (JavaScript, TypeScript); * Experience with source code versioning tools (Git); * Experience with DevOps development practices; * Knowledge of cloud computing platforms (Azure, AWS); * Experience with automated testing (unit, integration, end\-to\-end); * Advanced English proficiency. **Work Location: Remote** **Who is Insi?** We are a consultancy specializing in digital transformation. Above all, we are a people-first company—people who listen before proposing, who focus on essentials before delivering solutions, and who measure success by real change—not just implementation. With over three decades of history and a global presence, we believe true transformation begins from within: within individuals, teams, and organizations—and this conviction guides every decision we make, every project we deliver, and every person we develop. **Why build your career at Insi?** Because here you think, decide, and create together. We offer autonomy, clear goals, and an environment where Insiders have opportunities to engage with diverse technologies, contribute to challenging projects, introduce new ideas, and work from anywhere in Brazil—or even around the world. We are ranked among the best companies to work for in Brazil by Great Place to Work and listed among the top 10 employers in Brazil by TIME magazine. **What are our values?** * We are people serving people * We think and act like owners * We strive for high performance * We grow and learn together * We pursue excellence and simplicity * We act with creativity and innovation All individuals are welcome regardless of condition, disability, ethnicity, religious belief, sexual orientation, appearance, age, or similar attributes. We want you to grow with us in an inclusive, supportive, and opportunity-rich environment. If this resonates with you, then **\#JoinInsi!**