Patric Vormstein
Technical Lead at Tyk
Frankfurt Rhine-Main Metropolitan Area Germany
Summary
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Rockstar🎓
Top SchoolPatric Vormstein is a Technical Lead with 11 years of hands-on experience building high-performance backend systems, currently leading engineering at Tyk in the Frankfurt Rhine-Main area. He brings deep Go expertise from evolving Tyk’s open-source API gateway and contributing parser and validation improvements to a GraphQL router project, with attention to cross-platform correctness and execution planning. His background spans full-stack work—from React frontends to Postgres-backed services—and earlier roles in research computing and enterprise-grade microservices at DKFZ. Patric combines pragmatic engineering with operational awareness, having worked on HPC environments and production token management and revocation flows. He’s comfortable navigating complex protocol surfaces (REST, GraphQL, gRPC) and improving developer-facing tooling and extensibility. Colleagues value his steady delivery and the subtle focus he places on correctness and maintainability across distributed systems.
11 years of coding experience
5 years of employment as a software developer
Bachelor of Science (B.Sc.), Informatik, 2,8 (Bachelorarbeit: 1,6), Bachelor of Science (B.Sc.), Informatik, 2,8 (Bachelorarbeit: 1,6) at Johannes Gutenberg-Universität Mainz
German, Spanish, English, French
Stackoverflow
3reputation
34reached
0answers
1question
Github Skills (21)
wpgraphql10
go10
lexical-analysis10
api10
parsing10
api-gateway10
wordpress-graphql10
graphql10
text-parsing10
lex10
oauth10
redis9
validations9
validation9
api-management9
Programming languages (8)
Github contributions (5)
TykTechnologies/tyk
Mar 2020 - Nov 2022
Tyk Open Source API Gateway written in Go, supporting REST, GraphQL, TCP and gRPC protocols
Role in this project:
Back-end Developer
Back-end DeveloperContributions:178 reviews, 146 commits, 173 PRs in 2 years 8 months
Contributions summary:Patric contributed to the OAuth manager and token revocation functionalities of the API gateway. The code changes include implementing token revocation, handling access requests, and adding functionality to revoke all tokens for a client. The user modified the Redis storage interface to improve client management and added a mechanism to handle authorization and access requests. The modifications involved updating the schema and adding configuration options for GraphQL functionality.
api-gatewaygrpcreverse-proxyapi-managementcloudnative
wundergraph/graphql-go-tools
Oct 2019 - Nov 2022
GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.
Role in this project:Back-end Developer
Back-end DeveloperContributions:190 commits, 23 PRs, 2 pushes in 3 years 1 month
Contributions summary:Patric contributed significantly to the `graphql-go-tools` project, primarily focused on enhancing the lexer and parser for GraphQL. They addressed parsing issues on Windows, including line terminators and carriage returns, and improved multi-line string handling. The user also worked on request validation and data source integration, implementing features such as the ability to whitelist schemes and incorporating HTTP hooks. Furthermore, the user implemented plan and execution aspects of the code.
linterast-transformationintrospection-queryastparser
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