Senior .Net Developer (AI)

Description

We are looking for senior software development professionals who are passionate about technology, possess a product mindset, and focus on delivering high-impact solutions. We seek autonomous individuals with critical thinking skills and the ability to work on medium- and high-complexity projects, contributing to the continuous evolution of applications, architecture, and development processes. If you enjoy challenges, collaborative environments, and modern technologies, this opportunity may be right for you. **Responsibilities and duties** * Develop and maintain applications using C\# and .NET Core/.NET 6\+; * Design and implement scalable, secure, and high-performance REST APIs; * Participate in defining and evolving architectures following industry best practices; * Apply Clean Architecture, Domain-Driven Design (DDD), and SOLID principles during solution development; * Develop integrations between corporate systems and mission-critical applications; * Perform database modeling and maintenance for SQL Server and Oracle; * Use ORMs such as Entity Framework and/or Dapper; * Participate in code reviews to ensure delivery quality, security, and standardization; * Contribute to CI/CD processes and DevOps best practices; * Work in Azure cloud environments, leveraging services such as App Services, Functions, and Service Bus; * Provide technical support to the team through mentoring and knowledge sharing; * Participate in agile ceremonies and collaborate on continuous process improvement. **Requirements and qualifications** * Proficiency in C\# and .NET Core/.NET 6\+, with a minimum of 5 years of experience in .NET development; * Experience in medium- and high-complexity projects; * Experience developing REST APIs, system integrations, and highly available mission-critical systems; * Hands-on experience with agile methodologies (Scrum and/or Kanban); * Experience in technical leadership and/or mentoring teams; * Solid understanding of Clean Architecture, DDD, and SOLID principles; * Experience with SQL Server and Oracle; * Experience with Entity Framework and/or Dapper; * Knowledge of Git, Pull Requests, Code Review, and CI/CD practices using Azure DevOps and/or GitHub Actions; * Experience with Microsoft Azure (Azure App Services, Azure Functions, and Azure Service Bus); * Completed bachelor's degree in Computer Science, Information Systems, Software Engineering, or related fields; * Experience with Docker and Kubernetes; * Experience with GitHub Copilot and prompt engineering to support software development. **Desirable:** * Postgraduate degree or specialization in Software Architecture, Cloud Computing, or related areas; * Knowledge of observability and monitoring tools; * Experience with automation and productivity in modern development environments. **Additional information** * Partnerships with SESI and SESC, offering access to health, wellness, and leisure services; * Partnerships with educational institutions, providing exclusive discounts on courses and academic programs; * Opportunities for career growth and participation in strategic projects; * Opportunity to work at a rapidly expanding company in the market. Extractta was founded with the purpose of transforming technology into tangible results for companies across diverse industries. Throughout our journey, we have established ourselves as an innovation and technology consulting firm that unites strategy, people, and digital solutions to support organizations facing growth and transformation challenges. We operate across multiple fronts — from digital innovation and transformation to project and operations management — helping companies achieve exceptional results through efficiency, process intelligence, and continuous adaptation. We also stand out for our specialized consulting, which helps our partners evolve their digital culture, communication, data capabilities, and adoption of emerging technologies. Furthermore, our global partnerships enable us to deliver top-tier solutions to our customers’ ecosystems — all backed by a specialized team! At Extractta, we believe our differentiator lies in our people. That’s why we invest in a collaborative, innovative, and open environment where every talent has space to learn, grow, and contribute to challenging projects that truly transform businesses. If you’re seeking a company in constant evolution — one passionate about technology and committed to its employees’ development — your place may be here. Join Extractta and help build the future with us.