Jason Zhang
Software Engineer at Datadog
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJason Zhang is a software engineer with 10 years of experience specializing in distributed systems, cloud-native databases, and real-time search infrastructure. He spent four years contributing to core MongoDB—designing a distributed write protocol, enabling internal distributed transactions, and building large-scale cluster testing tools—and now works on Datadog’s Driveline in-memory datastore to power live search. A Johns Hopkins B.S./M.S.E. graduate, he blends rigorous academic training with production-grade engineering across sharded clusters and multi-tenant migrations. Notably, his open-source contributions touch the flagship mongodb/mongo repo, where he helped harden sharding resiliency and tenant migration correctness. Based in New York, he pairs deep backend systems expertise with a knack for designing tools that make complex distributed behaviors observable and reliable.
10 years of coding experience
5 years of employment as a software developer
Johns Hopkins UniversityAMSA Charter School
English, Chinese
Github Skills (8)
databases10
c-language10
cprogramming-language10
mongodb10
sharding10
mongodb-database10
database10
database-design9
Programming languages (4)
Github contributions (5)
mongodb/mongo
Jun 2019 - Jan 2023
The MongoDB Database
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:163 commits, 12 pushes in 3 years 7 months
Contributions summary:Jason's contributions focused on enhancing the functionality of the MongoDB database. The commits show the user working on features related to tenant migrations, implementing commands and checks for data consistency across shards during data movement. They are involved with making sure the code for internal transactions is correct with logging and debugging. The user's work also includes addressing failures in the internal key cache refresh.
nosqlc-plus-plusmongodb-databasedatabasemongodb
jz1242/jz1242.me
Nov 2017 - Mar 2019
Contributions:27 pushes, 2 branches in 1 year 4 months
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