Mid-Level .NET Developer

Description

Job Summary: Professional to develop and maintain backend .NET applications, build and consume RESTful APIs, and work with Oracle—aiming for quality and scalability in a collaborative environment. Key Highlights: 1. Inclusive, collaborative, and continuously evolving environment 2. Focus on high-quality delivery and use of modern tools 3. Opportunity to evolve architecture toward microservices Barueri Mid-Level .NET Developer Are you passionate about technology and innovation, and do you want to be part of an inclusive, collaborative, and continuously evolving environment? Then this opportunity is for you! At Capgemini, we value the balance between personal and professional life. Therefore, we offer flexible work models—including remote, hybrid, or on-site—depending on project needs. Our goal is to provide you with the best experience, respecting your lifestyle and promoting well-being. We are looking for a .NET Developer to join our team. The professional will be responsible for building and maintaining robust and scalable APIs, integrating legacy systems, and evolving architectures toward microservices. We value professionals with strong autonomy, focus on high-quality delivery, and those who leverage modern productivity tools—such as GitHub Copilot—to optimize development. Key Responsibilities * Develop and maintain backend applications using .NET (C#). * Design, build, and consume RESTful APIs with emphasis on performance, standardization, and maintainability. * Work on data modeling and manipulation in Oracle, including SQL and PL/SQL as required. * Ensure quality and stability through unit testing with xUnit and sound engineering practices. * Actively participate in code reviews, contributing improvements to design, readability, testing, and adherence to standards. * Work with Git and Azure DevOps for version control, pull requests, and pipeline support. * Support architectural evolution toward microservices, contributing to integrations and service best practices. * Demonstrate technical leadership daily—supporting colleagues, unblocking issues, and contributing to technical project decisions. Mandatory Requirements * Minimum 5 years of proven experience in .NET development. * Solid knowledge of C# and REST API development. * Experience with frontend Razor and JavaScript (maintenance and enhancements). * Experience with Oracle database (SQL, PL/SQL, modeling). * Hands-on experience with version control: Git and Azure DevOps. * Practical experience with automated testing using xUnit. * Familiarity with and active use of GitHub Copilot as a development aid. * Applied understanding of core Microservices concepts. * Knowledge and application of SOLID principles. * Basic knowledge of Docker and containerization. Desirable Qualifications (Nice-to-Have) * Knowledge of Redis for distributed caching. * Familiarity with the CQRS pattern (concepts and specific applications). * Use of Insomnia for API testing. * Familiarity with agile tools and methodologies such as Scrum and JIRA. * Experience with Blazor frontend development (maintenance and enhancements). Diversity, Inclusion & Belonging At Capgemini, you can be your authentic self. We value diversity in all its forms and foster an inclusive environment through committees such as: * Women@Capgemini – Female empowerment and gender equity. * Capgemini Black – Representation and appreciation of Black culture. * LGBTQIA+@Capgemini, Capgemini Accessibility, among others. Our commitment is ongoing: we are recognized by GPTW, Bloomberg Gender Equality Index, EDGE, and Ethisphere as one of the world’s most ethical and inclusive companies. Our job openings are open to everyone, regardless of color, ethnicity, religion, age, gender identity, sexual orientation, or disability. Development & Benefits Here, you are the protagonist of your career! We offer: * Structured career path and personalized learning tracks. * Corporate University with access to Harvard, Coursera, Udemy, Pluralsight. * Official certifications with partners such as SAP, AWS, Microsoft, Salesforce. * Language courses with EF Education First (English, Spanish, French, German). Comprehensive Well-being: * Medical and dental insurance. * Gympass and Equilibrium (physical and mental health). * Private pension plan and life insurance. * Family Care Program: extended maternity and paternity leave, fertility support, personalized health and well-being guidance. * Meal allowance, remote work allowance, benefits club, and more! Make It Real At Capgemini, we unleash human potential through technology to build a more inclusive, sustainable, and innovative future. If you share these values, come transform the world with us! Ref. code 441672-pt_BR Posted on 26 Mar 2026 Experience level Experienced Professionals Contract type Permanent Location Barueri Business unit ABL AMERICAS Brand Capgemini Professional communities Software Engineering