Tim Suchanek
Founder at expand.ai (YC S24)
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolTim Suchanek is a founder and senior web engineer with 13 years of experience building developer-focused infrastructure and full-stack products from San Francisco. He led technical efforts at Prisma as Technical Lead and helped found Stellate before launching expand.ai (YC S24), blending deep backend engineering with product-first startup instincts. Tim is an active open-source contributor, notably to Prisma, GraphQL tooling (graphql-playground, graphql-yoga) and developer CLIs, where his work improved parsing, validation, error handling and developer UX. He moves fluidly between systems-level backend work and practical front-end improvements, shipping reliable engines, type-safe APIs and useful tooling. Beyond code, he’s a passionate hobby chef—an appetite for novel ingredients that mirrors his penchant for trying new technologies. His background in scalable ORMs, GraphQL subscriptions and server tooling gives him a rare combination of production-grade engineering and founder-level product judgment.
13 years of coding experience
7 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Karlsruhe Institute of Technology (KIT)
Stackoverflow
658reputation
113kreached
2answers
14questions
Github Skills (71)
testing10
command-line-interface10
bash10
apollo10
schema10
jsx10
javascript10
react-components10
codegen10
react-component10
api10
wordpress-graphql10
database-design10
html10
typescripts10
Programming languages (14)
Github contributions (5)
graphql/graphql-playground
Aug 2017 - May 2022
🎮 GraphQL IDE for better development workflows (GraphQL Subscriptions, interactive docs & collaboration)
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:30 releases, 583 commits, 171 PRs in 4 years 9 months
Contributions summary:Tim made code changes related to the electron application, including modifications to the UI, file handling, and session management. They also contributed to improvements in the variable editor and added functionality for code generation. Furthermore, the user introduced several UI-related features, such as the implementation of a settings tab and integration of new themes. The contributions suggest a focus on both front-end and back-end aspects within the project, suggesting a full-stack role.
graphql-subscriptionsprismasubscriptionscollaborationgraphql-ide
prisma/prisma
May 2019 - Apr 2021
Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
Role in this project:Back-end Developer
Back-end DeveloperContributions:55 releases, 219 reviews, 2171 commits in 1 year 11 months
Contributions summary:Tim's contributions center around core functionality and type definitions. They reintroduced write check logic within the fetch engine, indicating work on data management. Further, they fixed TypeScript definitions in the generator helper and photon packages, signifying a focus on type safety and API design within the project. The user is working on core components of the framework.
sqlserverunit-of-workormmongodbsql-server
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