Software engineer with 15+ years of experience, specializing in Open Source and Developer Experience. Proficient in Python and Ruby, with a strong background in backend development. Featured by the Open Source Initiative and in the maintane.rs 2025 edition. Recognized by GitHub as one of the 60 officially acknowledged Open Source Maintainers in Brazil and the first Brazilian developer accepted into GitHub Sponsors. Proactive, curious, and an excellent communicator with strong facilitation skills.
Projects
Creator of ScanAPI, an open source testing framework that provides automated integration testing and live documentation for any REST API. 55+ contributors, 90+ forks, 1.4k+ stars on GitHub. Officially recognized by GitHub as a significant open source project in Brazil. Selected as one of 71 Open Source projects worldwide in the GitHub Secure Open Source Fund.
Tech Stack: Python, Click, Jinja2, Pytest, GitHub Actions
Co-creator of brazilian-utils/python, a Python library providing utility functions for Brazilian-specific data formats, validations, and operations, widely used in the community. 46+ contributors, 107+ forks, 380+ stars on GitHub and 4k+ downloads per month.
Tech Stack: Python, Poetry, GitHub Actions
Employment History
Cumbuca Dev is an organization that empowers underrepresented groups in technology through Open Source. It fosters participation across multiple projects, cultivates a thriving community of contributors, and provides practical, hands-on experience through projects, mentorship, and educational initiatives.
Co-founder & CTO Aug 2023 - Present
Co-created and lead the Open Source team, designing and implementing tools and processes to improve Developer Experience, foster collaboration, and increase inclusivity and diversity in the Brazilian Open Source ecosystem. The team is responsible for maintaining and developing all the projects of the 3 organizations: Cumbuca Dev, ScanAPI and Brazilian Utils.
Created and lead the Educational team, responsible for producing learning content and resources to help newcomers enter the Open Source ecosystem. As part of this initiative, developing GitHub Essentials (course) and GitHub para Humanos (book), both designed to guide complete beginners from zero to merging their first pull request. The materials cover Open Source best practices, written in clear language with analogies and examples, making Git and GitHub accessible even to those with no prior software development experience.
SoundCloud is a global music and audio platform that allows creators to upload, share, and promote their work to a diverse community of listeners. SoundCloud has 76M+ registered users, and 320M+ stored tracks.
Senior Backend Engineer at Cloud Engineering Team Nov 2022 - October 2023
Responsible for improving the backend engineer productivity in the company. Led a significant project focused on planning, implementing, and supporting the migration of 1.3k+ pipelines from GoCD to GitHub Actions.
Tech Stack: Ruby, Golang, Terraform, GoCD, GitHub Actions, GCP, Prometheus, Grafana, Backstage (platform for building developer portals)
Senior Backend Engineer at Payments Team Feb 2022 - Oct 2022
Backend development related to payments and subscriptions. Contributed to the development and maintenance of an in-house subscription management system, as also maintaining and implementing integrations with payment systems.
Tech Stack: Ruby, Ruby on Rails, Recurly, Adyen, SheerID, Google Play Billing, Apple In-app purchase
Loadsmart is a logistics technology platform that enables shippers, carriers, and brokers to efficiently manage an automated supply chain.
Senior Backend Engineer at Drayage Squad Jan 2019 - Mar 2021
Responsible for the backend development to enable a whole new business unit in the company to haul loads from and to ports, generating more than $6 million in revenue over a year and bringing in Maersk and Ports America as strategic partners on a $19 million investment. The company port Drayage service offer with a growth revenue of 300% YoY and expansion to the 7 major US east coast ports.
Cross Department Initiatives:
- Lead a project to investigate and defined a plan to improve the main company system, a monolith containing 230+ tables, 2200+ relevant files, and 75k+ relevant lines of code.
- Implemented a RFC process across the company. RFCs were stored and reviewed via GitHub. 90+ engineers using it on a daily basis.
- Created the company's official Handbook. Before, there was no official place to store tech documentation. 90+ engineers using it on daily basis.
- Created and lead the Backend Meetings, a bi-weekly meeting to share backend knowledge. We were 50+ backend engineers.
- Recruitment: automated the tech challenge review process.
- Improved company's code reviews automation being one of those responsible for introducing Peril in the organization. Also, improving, creating, and maintaining new Danger rules.
Tech Stack: Python, Django, DRF, Pytest, Golang, Cobra, PostgreSQL, Redis, Celery, Docker, Kubernetes, Terraform + Atlantis, CircleCI, Sentry, Amazon AWS, AWS Kinesis, AWS Secret Manager
Backend Engineer at Mobile Squad July 2017 - Dec 2018
Responsible to maintain and create endpoints in the company's main API to provide the backend for mobile applications.
Tech Stack: Python, Django, DRF, Pytest, Swift, Heroku, Amazon SNS, PostgreSQL, Danger, Peril, CircleCI, Macropoint.
Community
I am an active person in the tech community. I have several contributions in both national and international scenarios. They are all listed on my personal website: camilamaia.com.