Charlie Swanson
Staff Engineer, Query Team at MongoDB
City of Rochester, New York, United States
Summary
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Rockstar🎓
Top SchoolCharlie Swanson is a Staff Engineer on MongoDB’s Query Team with 11 years of experience building and hardening the database’s aggregation pipeline and query subsystem. He contributes to the flagship mongodb/mongo repository—modernizing JavaScript mapReduce tests, removing legacy test artifacts, and improving test and performance tooling to catch regressions earlier. Based in Rochester, NY, he combines deep backend systems work just above the storage layer with a pragmatic focus on test infrastructure and performance automation. A Carnegie Mellon computer science graduate with a minor in computational biology, he brings both rigorous engineering and a habit of cleaning up technical debt to keep large-scale systems reliable.
11 years of coding experience
Bachelor of Science, Computer Science, Minor in Computational Biology, Bachelor of Science, Computer Science, Minor in Computational Biology at Carnegie Mellon University
Stackoverflow
31reputation
576reached
0answers
1question
Github Skills (14)
performance-testing10
aggregation-framework10
javascript10
regression-testing10
javascripts10
mongodb10
mongodb-database10
test-automation10
database-testing9
mapreduce9
hadoop-mapreduce9
refactoring8
refactor8
refactorings8
Programming languages (6)
Github contributions (5)
mongodb/mongo-perf
Dec 2015 - Nov 2019
performance tools for mongodb
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:13 commits, 4 PRs, 14 pushes in 4 years
Contributions summary:Charlie primarily focused on adding, modifying, and reverting performance tests for the MongoDB performance tools repository. They created new test cases for aggregation pipelines and findAndModify operations, including tests with different data setups, sorting, and indexing. Their contributions involved writing test scripts and modifying existing test structures to cover various scenarios related to MongoDB performance and regression testing. They added multiple tests and then reverted some of the changes.
performance-toolsperformancemongodb
mongodb/mongo
Oct 2014 - Jan 2023
The MongoDB Database
Role in this project:Backend Developer
Backend DeveloperContributions:575 commits, 20 PRs, 347 pushes in 8 years 3 months
Contributions summary:Charlie's commits focused on modernizing JavaScript tests, specifically related to mapReduce correctness, and updating test infrastructure within the MongoDB database project. Their work also involved removing legacy files and blacklists, suggesting a focus on code cleanup and modernization efforts. The changes included updating tests for multi-key deduplication and for handling invalid JavaScript functions in the context of mapReduce.
nosqlc-plus-plusmongodb-databasedatabasemongodb
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