Sarah Zhou
Software Engineer at MongoDB
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSarah Zhou is a full-stack software engineer with 10 years of experience specializing in backend systems, distributed data management, and infrastructure automation, currently building at MongoDB in San Francisco. She has hands-on experience improving core database resharding mechanics in the flagship mongodb/mongo repository and has driven performance and balancer improvements that reduced data distribution time by over 30%. Her background spans hardware-aware benchmarking and automation—she built benchmark tooling used by dozens of students to validate a RISC-V simulator—and practical DevOps work improving workload deployment in FireSim. Comfortable leading small teams and cross-team projects, she blends deep systems knowledge with pragmatic scripting and deployment skills to ship robust, operational software.
10 years of coding experience
3 years of employment as a software developer
Bachelor’s Degree, Computer Science, 3.5, Bachelor’s Degree, Computer Science, 3.5 at University of California, BerkeleyUniversitat de Barcelona
English, Spanish
Github Skills (27)
task-management10
c-language10
back-end-development10
nosql10
databases10
bash10
resource-management10
mongodb-database10
script10
fpga10
workflow-management10
backend10
cprogramming-language10
mongodb10
database10
Programming languages (7)
Github contributions (5)
firesim/firesim
Sep 2018 - Feb 2019
FireSim: Fast and Effortless FPGA-accelerated Hardware Simulation with On-Prem and Cloud Flexibility
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:52 commits, 7 PRs, 4 comments in 4 months
Contributions summary:Sarah primarily contributed to improving the FireSim workload setup and configuration, particularly for the GAP-Benchmark-Suite and SPEC-2017 workloads. They addressed configuration file paths, updated documentation, and added new scripts for running the benchmarks. Furthermore, the user made changes related to resource requirements and refined the integration of these workloads, indicating work in automation and deployment.
risc-vscalablecircuitsacceleratedlattice
mongodb/mongo
Nov 2020 - Dec 2020
The MongoDB Database
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 15 pushes in 28 days
Contributions summary:Sarah's contributions focused on the MongoDB database, specifically within the context of resharding operations. The user made code changes to correct spelling errors, add resharding-related actions to role permissions, and create helper functions. Further contributions involved modifying code related to the state machine for the resharding donor service and the temporary collection configurations. These modifications indicate a focus on the internal workings and operational aspects of the database, especially related to sharding and data management.
nosqlc-plus-plusmongodb-databasedatabasemongodb
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