Hybrid Mid-Level Full Stack Developer — Python, Django, Integrations

at Capco

• Job title: Mid-Level Full Stack Developer — Python, Django, Integrations
• Job type: Full Time
• Experience level: Junior, Mid level
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Bootstrap, Django, Docker, JavaScript, Postgres, Python, SOAP
• Location requirements: Hybrid, Rio de Janeiro, Brazil

About the role

• Desenvolvedor(a) Pleno Full Stack Python na Capco, evoluindo e mantendo soluções na plataforma Django e PostgreSQL.

Responsibilities

• Evolve and maintain a solution, ensuring quality, performance, security, and scalability.
• Implement and evolve REST APIs using Django REST Framework (versioning, validation, and serialization).
• Develop and maintain scaling features, portfolios and planning history.
• Create and optimize queries and models in PostgreSQL (indexes, transactions, consistent migrations).
• Work with WebSockets (Django Channels) for real-time updates.
• Implement and maintain Excel exports (openpyxl) with complex business rules.
• Integrate and monitor synchronization routines with external systems (e.g., SAP).
• Ensure integrity and security of the permissions and profiles system.
• Contribute to automated tests (pytest / Django unittest) and maintain the agreed minimum coverage.
• Review PRs, propose architectural improvements, and follow internal standards (linting, app structure, internationalization).
• Diagnose and optimize performance bottlenecks (DB, I/O, memory, N+1 queries, WebSockets).
• Gradually evolve the frontend (improve UX, JS modularization, possible future modernization).
• Support the CI/CD pipeline, containerization (Docker / docker-compose), and consistent local execution.
• Document: endpoints, critical flows, technical decisions, and diagrams (C4 / technical READMEs).

Requirements

• 2–5 years in Python backend development.
• 2–5 years in JavaScript frontend development.
• Total professional experience greater than 4 years.
• Solid Python 3.x knowledge (object-oriented programming, common patterns; type hints are a plus).
• Django 3+ (4.x preferred) and ecosystem: advanced ORM, signals, middlewares, migrations.
• Django REST Framework (serializers, viewsets, custom permissions).
• PostgreSQL (relational modeling, query optimization, indexes, EXPLAIN/ANALYZE).
• WebSockets / Django Channels (groups, consumers, basic scalability).
• Spreadsheet handling with openpyxl (styles, formulas, multiple sheets).
• Git (branching workflows, code review, rebase, tags).
• Docker / docker-compose (isolated environments, building and troubleshooting).
• JavaScript (ES6), Bootstrap in the context of Django templates.
• Integration with external services (REST/SOAP or WSDL; resilient consumption).
• Technical English for reading (documentation, libraries, issues).
• Practical testing knowledge (pytest or unittest; mocks; fixtures; coverage).
• Basic web security: CSRF, XSS, access control, data sanitization.

Benefits

• At Capco we promote an inclusive culture. We value diversity in all its forms.
• We collaborate on various inclusion and social responsibility initiatives through internal committees led by our community, such as Women, People with Disabilities, Black Professionals, LGBTQIAPN+, Parenthood, and Generations groups, among others.
• Our opportunities are designed for everyone!!!
• #LifeAtCapco