**Client:** Avantti Tecnologia **Location:** Remote **Contract:** Independent Contractor (PJ) **About Avantti Tecnologia** Avantti Tecnologia is a consulting firm specialized in digital solutions, technology services, and the allocation of high-performance professionals. We serve national and international companies, focusing on innovation, operational excellence, and consistent delivery of results. **Position Overview** We are seeking a **Senior .NET Software Architect** to work in a highly complex environment, helping design scalable, secure, and modern solutions. You will serve as a technical reference, supporting development teams and directly influencing the evolution of digital products. * Define and evolve .NET system architecture (on-premise and/or cloud). * Guide development teams on best practices, standards, and code quality. * Design integrations among services, APIs, and legacy systems. * Participate in decisions regarding technology stack, frameworks, and tools. * Lead architecture reviews, code reviews, and proof-of-concepts (POCs). * Support the definition of security, performance, and observability standards. * Work closely with product and business teams to align solutions with strategy. Requirements: * Solid experience as a .NET (C#) Software Architect. * Knowledge of Vue.js. * Experience with microservices architecture, REST APIs, and messaging systems. * In-depth knowledge of .NET Core, design patterns, and Domain-Driven Design (DDD). * Experience with relational databases (Oracle, PostgreSQL) and NoSQL. * Prior experience in cloud environments (Azure, AWS, or GCP). * Knowledge of CI/CD, containers (Docker, Kubernetes), and observability. * Ability to provide technical leadership to teams and influence decision-making. **Preferred Qualifications:** * Experience with event-driven architecture (EDA). * Experience in large-scale, mission-critical, or high-volume data projects. * Familiarity with agile practices and DevOps culture. **Why Join Avantti Tecnologia?** Strategic projects with major LATAM companies Collaborative environment and growth opportunities Flexibility and remote work Modern projects using up-to-date technologies