Mid/Senior Backend Developer (Python), Brazil

We are **tech transformation** specialists, uniting human expertise with AI to create scalable tech solutions. With over 8,000 CI\&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality. We are seeking a  **Mid/Senior Python Developer**  to join our team in designing and building scalable backend services for a modern cloud\-based platform. This role focuses on developing reliable APIs, distributed systems, and integration services that interact with various enterprise systems and external platforms. Your Mission: * Design and build backend services that support complex business workflows and integrations * Develop resilient systems capable of handling external system failures through asynchronous processing, retries, and fault\-tolerant patterns * Ensure services meet enterprise\-grade standards for performance, reliability, security, and observability * Collaborate with cross\-functional teams, including frontend developers, product managers, and platform engineers * Contribute to architectural decisions and mentor other developers to elevate engineering standards Key Responsibilities: * Design and develop backend services using  **Python** * Build and maintain  **REST APIs**  exposed through an  **API Gateway** * Develop containerized services using  **Docker** * Implement asynchronous workflows, background processing, and event\-driven patterns * Develop integrations with external enterprise systems, such as identity providers, messaging systems, and SaaS platforms * Work with  **PostgreSQL** \-based databases, including  **Supabase** * Implement durable workflows and long\-running processes using  **Temporal** * Integrate AI\-powered capabilities through  **AWS Bedrock** * Implement monitoring and observability using  **OpenTelemetry** ,  **Fluent Bit** , and  **Grafana** * Collaborate with infrastructure teams using  **Terraform**  and  **GitHub Actions**  to support CI/CD pipelines and infrastructure automation * Ensure services adhere to strong security, performance, and operational standards Required Qualifications (Essential Technologies): Candidates must have hands\-on experience with the following technologies: * **Python**  (production backend development) * **REST API**  development * **Docker**  and containerized applications * **API Gateway** * **PostgreSQL** * Event\-driven architectures and asynchronous processing * Message queues or background processing systems * Workflow orchestration tools such as  **Temporal** * Infrastructure as Code ( **Terraform** ) * CI/CD pipelines such as  **GitHub Actions** * Observability tools such as  **OpenTelemetry** ,  **Grafana** , or similar Additionally, candidates should demonstrate: * Strong knowledge of distributed systems design * Experience implementing resilience patterns such as retries, idempotency, and failure recovery * Experience with authentication and authorization concepts (OAuth, OIDC, SSO, RBAC) * Ability to troubleshoot and support production systems * Strong communication and collaboration skills Nice to Have: * Experience with  **Supabase**  or  **PostgreSQL**  platforms * Experience integrating AI or LLM\-based capabilities * Experience building enterprise SaaS platforms * Experience designing systems that support hybrid or on\-prem deployments * Experience mentoring engineers or acting as a technical lead * Advanced English proficiency If you are a passionate developer looking to work on innovative solutions in a dynamic environment, we invite you to apply and become part of our team! **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.****