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.