j
jeferson681

Jeferson Sousa

@jeferson681

Backend Developer: APIs, Automation e Integrations

Brazil
Portuguese, English
About me
I help build and stabilize Python backends with reliable APIs and clean structure. I work on real backend tasks like CRUD endpoints, database integration, and fixing broken API behavior. • Build and improve FastAPI and Django endpoints • Fix API bugs and inconsistent responses • Set up Docker and CI/CD (GitHub Actions) • Integrate external services (payments, WhatsApp, Discord, Telegram) • Improve performance and reliability • Add tests to prevent regressions Focus: clean CRUD logic, consistent API responses, and maintainable code.... Read more

Skills

j
jeferson681
Jeferson Sousa
Offline • 
Average response time: 1 hour

See my services

API & Integrations
I will fix bugs in your fastapi or python backend API
From$10 / projectMore details

Work experience

Self-Employed

Independent Python Backend Engineer

Self-Employed • Self-employed

Dec 2024 - Present • 1 yr 5 mos

Designed and built backend systems using clean and maintainable architecture. Set up CI/CD pipelines with GitHub Actions including automated testing, coverage checks and basic security scanning. Configured test automation to protect merges through unit, integration and end-to-end validation. Containerized services with Docker using environment-based configuration. Implemented structured logging and basic observability to improve reliability and deployment safety.