Metha Energia

Senior Backend Software Engineer

Metha Energia

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

AWSDockerDynamoDBGraphQLJavaScriptLinuxNode.jsPython

About the role

  • 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

Requirements

  • 5+ years of professional experience in backend development
  • Advanced Python: OOP, design patterns, type hints, async/await
  • Hands-on experience with hexagonal architecture, DDD and/or Clean Architecture
  • AWS serverless: Lambda, API Gateway, SQS, SNS, Kinesis, S3, DynamoDB
  • Serverless Framework or similar (SAM, CDK)
  • RESTful APIs: design, versioning, documentation (OpenAPI/Swagger)
  • Automated testing: pytest, mocks, fixtures, integration tests
  • Docker and containerization
  • Advanced Git: branching strategies, conflict resolution, commit best practices
  • Linux: development and troubleshooting in a Linux environment
  • Databases: data modeling, query optimization, indexing (DynamoDB required)
  • Intermediate English for reading and writing (technical documentation)
  • Ability to self-learn: comfortable picking up new technologies and frameworks as needed using documentation, source code and community resources
  • Clear communication for contributing to and participating in technical discussions
  • Proactive attitude to identify problems and propose improvements
  • Ability to mentor and share knowledge
  • Experience with Scrum/Kanban and agile methodologies
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonOOPdesign patternstype hintsasync/awaithexagonal architectureDDDRESTful APIsautomated testingDocker
Soft Skills
clear communicationproactive attitudeability to self-learnmentoringparticipation in technical discussions