Toan Nguyen
Software Engineer at Nexlab Technology
Ho Chi Minh City, Vietnam
Summary
🤩
Rockstar🎓
Top SchoolToan Nguyen is a DevOps engineer based in Ho Chi Minh City with 10 years of experience building and operating cloud-native systems. He blends full‑stack development skills with a practical interest in functional programming, focusing on observability, reliable APIs, and performant back-end services. An active open-source contributor to the widely used Hasura GraphQL Engine, he enhanced JSON-path querying for JSON columns, added raw query support for HTTP error logs, and improved OpenTelemetry configurability and websocket logging. He excels at connecting infrastructure, monitoring, and application layers to deliver debuggable, measurable systems. Colleagues rely on his ability to move between code and operational concerns to ship robust features and improve developer ergonomics.
11 years of coding experience
6 years of employment as a software developer
Computer Software Engineering, Computer Software Engineering at University of Information Technology
English, Vietnamese, Chinese
Stackoverflow
2,223reputation
208kreached
54answers
0questions
angular
top-5%
javascript
top-5%
typescript
top-5%
Github Skills (27)
wp-graphql10
postgresql10
wordpress-graphql10
graphql10
haskell10
graphql-api9
javascript9
json9
typescript9
api9
angular9
opentelemetry9
logging8
database6
access-control6
Programming languages (15)
Github contributions (5)
hasura/graphql-engine
Mar 2019 - May 2020
Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 13 PRs, 4 branches in 1 year 2 months
Contributions summary:Toan primarily contributed to the core functionality of the GraphQL engine, specifically by enhancing the JSON path argument for querying values within JSON columns, which improved the flexibility and expressiveness of the API. They also implemented a raw query field for error HTTP logs. Furthermore, the user added support for environment variable templates for OpenTelemetry URLs and attributes, enhancing the configurability and monitoring capabilities of the platform. Finally, the user contributed to improving the logging of response sizes and query execution times in the websocket transport.
realtimefine-grained-access-controlgraphql-serversql-serverhaskell
hasura/helm-charts
Jul 2023 - Mar 2025
A repository for Hasura GraphQL Engine helm charts
Contributions:8 reviews, 36 PRs, 50 pushes in 1 year 8 months
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