Thiago Ribeiro
Staff Software Engineer at Sendcloud
Eindhoven, North Brabant, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolThiago Ribeiro is a Staff Software Engineer with 15+ years building reliable, maintainable Python backends and APIs, currently driving platform work at Sendcloud from Eindhoven. He combines hands-on engineering with architectural leadership—introducing ASGI and helping migrate systems toward multi-tenancy—while maintaining strong DevOps and observability practices. A core maintainer of Strawberry GraphQL and contributor to its Django integration, he has fixed deep type-system bugs and improved schema/directives handling for a widely used Python GraphQL library. As a former CTO and co-founder, he’s taken products from 0→1 and established testing, deployment and GitOps workflows across startups. He’s also delivered production LLM integrations focused on latency and safety, showing a practical approach to emerging AI tech. Comfortable across Django, FastAPI, PostgreSQL, Kubernetes and Redis, he pairs pragmatic engineering with open-source stewardship.
15 years of coding experience
15 years of employment as a software developer
Bachelor's degree Information Systems, Bachelor's degree Information Systems at USP - Universidade de São Paulo
Portuguese, English
Stackoverflow
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Github Skills (16)
raspberry10
graphql10
typehinting10
raspberry-pi-pico10
type-checking10
python10
wordpress-graphql10
wpgraphql10
django10
pytest9
testing9
mypy8
fastapi4
graphql-schema4
asyncio4
Programming languages (15)
Github contributions (5)
strawberry-graphql/strawberry-django
Mar 2022 - Jan 2023
Strawberry GraphQL Django extension
Role in this project:
Backend Developer
Backend DeveloperContributions:103 releases, 380 reviews, 80 commits in 10 months
Contributions summary:Thiago primarily focused on enhancing the `strawberry-django` library, a Django extension for GraphQL. Their contributions involved refactoring code, specifically modifying how `auto` and other deprecated elements are imported and used within the library. They also addressed issues related to filter resolvers and annotation resolution, demonstrating a focus on improving the library's functionality and maintainability. Furthermore, they implemented changes in tests across multiple modules.
strawberrypythonmutationstrawberry-graphqldjango
strawberry-graphql/strawberry
Feb 2022 - Nov 2022
A GraphQL library for Python that leverages type annotations 🍓
Role in this project:Back-end Developer
Back-end DeveloperContributions:326 reviews, 7 commits, 91 PRs in 8 months
Contributions summary:Thiago primarily worked on fixing issues related to custom scalars and auto-typing within the Strawberry GraphQL library. Their contributions involved modifying the handling of custom scalars, ensuring compatibility with newer versions of Pyright and handling auto-typing with Annotated. They also added an "is_auto" utility for more flexible type checking and improved schema directives printing. These changes directly addressed type-related bugs and improved core functionality.
mypyasgipythonstrawberryannotations
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