Syrus Nieto
Wasmer - YCS19 at Y Combinator
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSyrus Nieto is a founder and engineering leader with 14 years of experience building developer-facing platforms and cloud-native runtimes from San Francisco. As CEO of Wasmer (YC S19) and Graphene, he blends systems-level engineering—especially WebAssembly runtimes and tooling—with product-driven API design. His hands-on background spans full-stack work, test automation, and build-system optimization across high-profile open-source projects like Wasmer and Graphene/graphene-python. A mathematician by training, he brings a rigorous, pragmatic approach to complex problems and has repeatedly improved testing, documentation, and developer ergonomics in the projects he touches. Known for shipping infrastructure-level fixes and developer tools (e.g., wasm packages, GraphQL libraries, and integrations for Django/SQLAlchemy), he combines founder-level vision with deep implementation chops.
15 years of coding experience
6 years of employment as a software developer
B.S. Mathematics, B.S. Mathematics at Universidad Complutense de Madrid
Spanish, English
Stackoverflow
1,253reputation
223kreached
15answers
0questions
python
top-5%
Github Skills (57)
javascript10
pytest10
lexer10
back-end-development10
python10
django10
llvm10
dsl10
testing10
typescript10
metadata10
template-engine10
rust-wasm10
smtp10
smtps10
Programming languages (36)
Github contributions (5)
graphql-python/graphene
Sep 2015 - Feb 2022
GraphQL framework for Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:37 releases, 17 reviews, 1128 commits in 6 years 5 months
Contributions summary:Syrus primarily focused on back-end development, implementing new features and improving existing functionality within the Graphene GraphQL framework for Python. Their commits demonstrate proficiency in Python and Django, as they removed resolved printing from code, improved Django tests, and completed Django support. The user also made changes related to converting and mapping data to and from Django models.
graphqlpythonrelayframeworkgraphene
graphql-python/flask-graphql
Jan 2016 - Aug 2020
Adds GraphQL support to your Flask application.
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 releases, 71 commits, 21 PRs in 4 years 7 months
Contributions summary:Syrus primarily contributed to the Flask-GraphQL project by enhancing the GraphiQL interface and resolving various errors within the codebase. Their work included improving static file handling, adding a default query option, and updating to the latest GraphiQL version. Additionally, the user made code adjustments to align with the latest graphql-core package and refactored the schema logic. They also addressed and incorporated batch query capabilities.
flask-applicationgraphqlpythonflaskgraphene
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