Senior Full Stack Software Engineer

Summary

Join Ubiminds, a GPTW-certified company, as a Senior Full Stack Software Engineer and contribute to a core platform used by major enterprise clients globally. Maintain and evolve the platform built with Python and Django, extend the internal GraphQL layer, write robust tests, and participate in incident resolution. Collaborate with engineers, product managers, and QA to deliver high-quality improvements and address customer requests. Work across the full stack, taking ownership of critical code paths, and support the platform's long-term sustainability. This is a unique opportunity to accelerate your international career and work in a groundbreaking company.

Requirements

• 7+ years of experience building and maintaining web applications using Python
• Solid knowledge of HTML, CSS, JavaScript, and React development (hooks, state management, component design)
• Experience working with REST APIs and GraphQL
• Familiarity with PostgreSQL or similar relational databases
• Hands-on experience with testing frameworks such as Pytest, Jest, or React Testing Library
• Comfortable working with feature flagging systems
• Understanding of version control best practices using Git, including branching strategies, rebasing, and pull request reviews
• Ability to write clean, maintainable, and well-documented code with strong attention to testability
• Basic reading and writing skills in English, used for understanding technical documentation and writing internal documentation (e.g., wikis)
• Willingness to work collaboratively in a distributed, asynchronous team
• Comfortable working in agile teams and remote/distributed environments

Responsibilities

• Maintain and evolve the platform — a large-scale, production-grade system built with Python and extensively using Django ORM. The stack also leverages PostgreSQL, NGINX, and Celery for orchestration and background jobs
• Navigate and extend our internal GraphQL layer (Omnibus) to interface with APIs in a scalable and testable way
• Write robust unit and integration tests using Pytest ensuring high coverage and reliability
• Participate in incident resolution and performance tuning, investigating logs, metrics, and traces using tools like Splunk and Sentinel
• Collaborate with Product Managers, UX Designers, Developers, and QA Engineers to resolve production issues, implement customer-requested improvements, and ensure platform stability
• Review code contributions from peers and help enforce our engineering standards and CI/CD workflows
• Ability to read and understand technical documentation in English, and to contribute to internal documentation (e.g., code comments, wikis) with simple, clear written English

Preferred Qualifications

• Experience working on large-scale, multi-tenant enterprise platforms
• Exposure to NGINX, Celery, or SAML/SSO authentication flows
• Familiarity with CI/CD pipelines and tools used for observability, such as Splunk or Sentinel
• Experience working with feature toggles, environment-based deployments, or per-customer customizations
• Previous experience in a multi-language or internationalized product environment

Benefits

• Are placed in a product-based company, with the same treatment as their full-time employees
• Have our full back-office support, from career guidance to HR and concierge services
• Enjoy our remote-first policy – we are a distributed team, after all
• Get your own MacBook (none of that "bring your own device" stuff here)
• Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun!
• Improve your English through free lessons with a native English speaker - get to the next level on your communication skills!
• Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)
• Miss working in the office? Our cool Florianópolis headquarters is available, whenever you want, with weekly quick massages & tasty snacks, soft drinks, and games