Philipp Steinrötter
Co-Founder at hellomateo
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolPhilipp Steinrötter is a Berlin-based software engineer and co-founder with nine years of experience building backend-first, product-driven systems. At hellomateo he combines startup leadership with hands-on engineering—recently hacking on a Postgres language server and championing Postgres-centric designs. His open-source contributions span notification platforms (adding Expo push support to Novu), GraphQL gateways with Fastify (mercurius), and NestJS CRUD tooling, showing a knack for integrations that bridge backend services and client experiences. Trained in business information technology (MSc, Universität Mannheim) and seasoned at SAP, he brings both enterprise discipline and a hacker’s curiosity to scalable system design. An interesting detail: he pairs product thinking with low-level database enthusiasms, often favoring Postgres-native solutions and developer tooling.
9 years of coding experience
1 year of employment as a software developer
Bachelor of Applied Science - BASc, Wirtschaftsinformatik, Bachelor of Applied Science - BASc, Wirtschaftsinformatik at Baden-Wuerttemberg Cooperative State University (DHBW)Business Information Technology, Business Information Technology at SAP SEMaster of Science - MS, Business Information Technology, Master of Science - MS, Business Information Technology at Universität Mannheim
English, German
Github Skills (29)
fastify10
expo10
typescript10
apple-push-notifications10
push-notifications10
wpgraphql10
integrations10
nestjs10
notification10
api10
gateway10
wordpress-graphql10
typeorm10
typescript-types10
graphql10
Programming languages (22)
Github contributions (5)
mercurius-js/mercurius
May 2021 - Jun 2021
Implement GraphQL servers and gateways with Fastify
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 5 commits, 4 PRs in 1 month
Contributions summary:Philipp contributed to the implementation of GraphQL servers and gateways with Fastify. Their work included adding context to rewrite headers, adding the rewriteConnectionInitPayload option for the gateway, and handling value types within the gateway. Furthermore, they refactored the code to ensure proper handling of value types. The user's contributions focused on enhancing the functionality and flexibility of the GraphQL gateway.
fastifygatewayfederationnodejsgraphql
novuhq/novu
Sep 2022 - Sep 2022
Open-Source Notification Platform. Embeddable Notification Center, E-mail, Push and Slack Integrations.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:8 commits, 1 PR, 9 comments in 14 days
Contributions summary:Philipp primarily contributed to the integration of Expo push notifications within the Novu notification infrastructure, suggesting a focus on extending the platform's capabilities. Their work included creating a new provider for Expo, implementing necessary configurations, and integrating it into the existing event handling and push notification services. They also made code modifications to the shared library and test configurations, indicating involvement in both backend and supporting frontend integrations related to mobile push notifications. This integration expands Novu's notification channel offerings to include Expo.
jsvue-reactnotificationsvuereactjs
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