Sophia Tan
Senior Software Engineer at MongoDB
New York, New York, United States
Summary
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RockstarSophia Tan is a Senior Software Engineer based in New York with 10 years of experience building robust back-end systems and database features. Currently at MongoDB, she contributes to core database functionality, improving ReplicaSet monitoring, sharded command error handling, and low-level metrics like cgroup updates. Sophia combines hands-on engineering with a focus on observability and internal tooling, often adding and hardening internal tests to keep critical systems reliable. Her work on the widely used mongodb/mongo project reflects deep expertise in distributed databases and practical optimizations that improve production resilience. Notably, she balances low-level systems improvements with developer-facing tools, helping teams ship safer changes faster.
10 years of coding experience
Github Skills (14)
databases10
c-language10
cprogramming-language10
mongodb10
relational-databases10
sql-database10
mongodb-database10
database10
testing9
multithreading8
performance-optimization8
system-design8
distributed-systems7
database-administration7
Programming languages (1)
Github contributions (5)
mongodb/mongo
Oct 2021 - Jan 2023
The MongoDB Database
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:82 commits, 2 PRs, 2 branches in 1 year 3 months
Contributions summary:Sophia primarily contributed to the core functionality of the MongoDB database, focusing on comments and the improvement of system code. Their work involved commenting on and refining the ReplicaSetMonitor and extending the error handling when sharded commands are used. They also worked on low-level features like updating cgroup metrics, creating tools and API, adding and fixing internal tests for core functionalities, suggesting a possible path for optimizations.
nosqlc-plus-plusmongodb-databasedatabasemongodb
sophiatll/NoteBook
Aug 2017 - Feb 2019
Contributions:3 pushes, 2 branches in 1 year 6 months
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