[Job - 31103]Software Architect – .NET, Brazil

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. Software Architect – .NET We’re looking for a hands-on Software Architect to own the architecture of a .NET-based product line that spans multiple systems. Responsibilities Define and evolve the architecture for a suite of .NET Core services and web apps (.NET Core, SQL/Postgres, Cognito, Docker, AWS). Align and integrate frontends built with React, Angular, and Vue with .NET Core backends and external services (Mailgun, Strapi/Node, APIs). Ensure scalability, security, and reliability across distributed systems and messaging/async processing (e.g., SQS). Lead modernization (framework upgrades, cloud-native patterns, modularization) and CI/CD practices. Work closely with product and business stakeholders to translate needs into simple, maintainable solutions and identify opportunities for AI/ML and automation. Engage with complex and demanding clients, effectively managing expectations, navigating ambiguity, and negotiating technical trade-offs to reach pragmatic, win–win solutions. Requirements 7+ years in software development, with strong .NET Core / C# and web architecture experience. Solid background in distributed systems, authN/authZ (OAuth2/OIDC, JWT, Cognito), and relational databases (MySQL, PostgreSQL, SQL Server). Experience with at least one major frontend framework (React, Angular, or Vue) and cloud (AWS). Strong Git/CI/CD and automated testing experience. Excellent communication in English and proven ability to collaborate with non-technical stakeholders. Demonstrated ability to build trust, handle complex client relationships, and negotiate priorities and scope in high-stakes environments. Nice-to-Haves Experience with PHP, Java, or Python in polyglot environments. Knowledge of Node/Strapi, containers, IaC, and observability tooling. Practical exposure to AI/ML or data-driven product features. Our benefits: -Health and dental insurance -Meal and food allowance -Childcare assistance -Extended paternity leave -Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass; - Profit Sharing and Results Participation (PLR); -Life insurance - Continuous learning platform (CI&T University); -Discount club -Free online platform dedicated to physical, mental, and overall well-being -Pregnancy and responsible parenting course -Partnerships with online learning platforms -Language learning platform And many more! More details about our benefits here: https://ciandt.com/br/pt-br/carreiras At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here . This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it. We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.