[Job- 31398]Senior Full Stack Developer, 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. We are looking for a Senior Full Stack Developer to design and build scalable backend services and modern web interfaces for a cloud-based enterprise platform. You will work on systems that require strong reliability, asynchronous processing, enterprise-grade security, cloud-native architecture , and seamless user experiences that support complex business workflows. Responsabilidades: Design and build backend services and frontend applications that support complex business workflows and integrations Build resilient systems capable of handling failures through asynchronous processing, retries, and fault-tolerant patterns Translate product and design requirements into reusable, scalable components across the full stack Ensure services meet enterprise-grade standards for performance, reliability, security, and observability Contribute to architectural decisions and mentor developers to raise engineering standards Design and develop backend services using Python Build and maintain REST APIs exposed through API Gateway Implement asynchronous workflows , background processing, and event-driven patterns Develop durable workflows and long-running processes using Temporal Work with PostgreSQL for data persistence and querying Integrate AI-powered capabilities through AWS Bedrock Implement monitoring and observability using OpenTelemetry, Fluent Bit, and Grafana Develop containerized services using Docker Collaborate with infrastructure teams using Terraform and GitHub Actions for CI/CD Develop React applications with JavaScript or TypeScript Build reusable UI components and maintain consistent design patterns Contribute to the design system and component library Document components using Storybook for consistency and reusability Write frontend tests : unit, component, and end-to-end Ensure accessibility standards (a11y) and usability best practices Optimize frontend performance and maintainability Requisitos: Python — production-level backend development REST APIs and API Gateway integration Docker and containerized applications PostgreSQL — design and query optimization Event-driven architectures and asynchronous processing Temporal — workflow orchestration Terraform — Infrastructure as Code GitHub Actions — CI/CD pipelines OpenTelemetry / Grafana — observability React , JavaScript / TypeScript, HTML, CSS REST API integration and responsive design Frontend testing frameworks (unit, component, E2E) Storybook and design system experience Git-based development workflows Strong knowledge of distributed systems design Experience with resilience patterns : retries, idempotency, failure recovery Experience with OAuth, OIDC, SSO, RBAC — authentication and authorization Ability to troubleshoot and support production systems Advanced English Diferencial: Experience with AWS Bedrock and AI/ML integration in production Familiarity with Fluent Bit for log aggregation Knowledge of enterprise SSO and identity provider integrations Experience with multi-tenant SaaS architecture Exposure to platform engineering practices #LI-AM2 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.