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