Mid-level Software Engineer (C# and .NET)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Mid-level Software Engineer (C# and .NET) based in Brazil. This role offers the opportunity to build and evolve high-quality, scalable web applications in a technology-driven environment. You will contribute across the full software development lifecycle, from architecture and development to integration, testing, and documentation. The position combines strong backend expertise in C# and .NET with modern frontend development using Angular and TypeScript. You will work with cloud technologies, relational databases, RESTful APIs, and automated delivery pipelines. Beyond hands-on development, the role involves mentoring engineers and contributing to technical decisions and engineering best practices. You’ll collaborate with cross-functional teams to solve complex problems and deliver reliable, innovative solutions. This is an opportunity to work on technology with meaningful real-world impact while continuing to grow your technical and leadership skills. Design, develop, validate, and maintain scalable, reliable software applications and systems across the full development lifecycle. Build and enhance full-stack web applications using C#, .NET Core, Angular, TypeScript, JavaScript, HTML, CSS, and RxJS . Develop and integrate RESTful APIs , ensuring robust communication between application components and external systems. Design and work with relational databases, including SQL Server , applying sound data modeling and development practices. Contribute to software architecture and technical decisions, applying patterns and best practices that promote scalability, maintainability, and performance. Perform software and system integration activities across relevant software and hardware components. Develop and maintain unit and automated tests for both frontend and backend applications to support product quality and reliability. Contribute to CI/CD pipelines , helping streamline automated build, testing, and deployment processes. Create and maintain technical and user documentation to support system adoption, maintenance, and consistency. Provide technical guidance, mentorship, and support to other software engineers, fostering strong engineering practices and knowledge sharing. Collaborate effectively with colleagues and stakeholders to investigate problems, develop solutions, and deliver high-quality software. Requirements: Bachelor’s degree in Computer Science, Software Engineering, or a related field , or equivalent professional experience. 4+ years of experience developing full-stack web applications in professional environments. Demonstrated experience leading or mentoring software development teams and supporting the technical growth of other engineers. Strong understanding of software architecture patterns, scalable system design, and maintainable development practices . Advanced experience with frontend technologies including HTML, CSS, JavaScript, Angular, TypeScript, and RxJS . Strong backend development skills using C# and .NET Core . Experience with relational databases and data modeling , particularly SQL Server. Solid knowledge of RESTful API design and implementation . Experience working with cloud platforms , preferably Microsoft Azure. Practical experience with unit testing and automated testing frameworks across frontend and backend applications. Experience with continuous integration and continuous delivery (CI/CD) practices and pipelines. Strong analytical, problem-solving, communication, and collaboration skills. Ability to work independently while also contributing effectively within a team environment. Passion for developing high-quality, innovative, and reliable software solutions. Benefits: Fully remote work from Brazil. Full-time employment with a technology-focused, global environment. Opportunity to work on software and systems with meaningful real-world impact. Exposure to mod