Job Summary: D'GRANEL is seeking an AI Developer to create creative and innovative solutions in road freight transportation, leveraging AI to develop and ensure code security. Key Highlights: 1. Use AI as a co-developer to generate code, tests, and documentation 2. Design robust architecture with microservices and APIs 3. Code and review in Python, FastAPI, and React Native D'GRANEL, founded in 1986, focuses on bulk cargo transportation. Our mission is to deliver creative and innovative solutions in road freight transportation. Being a reference is in our DNA! We have a team of over 2,300 employees and take great pride in connecting businesses across Brazil. Join us too! **Opportunity:** AI Developer **Summary of Responsibilities:** Develop using AI, ensuring code security and integrity. **Responsibilities:** * Use AI as a co-developer: generate service skeletons, tests, migrations, documentation, and continuous refactoring (Copilot/Cloude/Cursor). * Design robust architecture: microservices, well-versioned APIs, events, messaging, and first-class observability. * Code and review in Python (back-end), FastAPI (services/integrations), and React Native (front-end), adhering to standards and best practices. * Ensure security from the outset: threat modeling, OWASP Top 10, SAST/DAST, secrets management, IAM policies, LGPD. * Use CI/CD: pipelines in Azure DevOps, GitHub Flow versioning, automated quality assurance. * Architect on AWS: VPC, IAM, ECS/EKS, Lambda, API Gateway, S3, RDS/DynamoDB, SQS/SNS, CloudWatch; IaC with Terraform/CloudFormation. * Elevate quality: testing (unit, integration, contract), healthy test coverage, performance optimization, and cloud cost optimization. * Document decisions (ADRs), design patterns, and build a reusable prompt library for the team.