Metha Energia

• Architect and develop new backend services in Python, applying DDD principles and hexagonal architecture • Technically lead the migration of legacy Node.js systems to Python, rewriting business rules with quality and security • Build and integrate APIs with external services (banks, energy distributors, ERPs) and internal services (RESTful and GraphQL) • Develop using pair programming, especially for complex or high-impact features • Implement automated tests (unit, integration and end-to-end) to ensure delivery reliability • Work with AWS daily: Lambda, API Gateway, SQS, SNS, Kinesis, S3, DynamoDB • Monitor and resolve production issues, investigating logs, metrics and traces • Document architectural decisions, APIs and processes to facilitate the team’s work • Participate in technical discussions about architecture, tools and best practices • Maintain CI/CD pipelines and deployment processes to ensure efficient operations