Leo Lin
Staff Platform Engineer
Boston, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolLeo Lin is a Staff Platform Engineer in Boston with 11 years of experience building resilient, scalable infrastructure across cloud and container environments. He has led platform and core-infrastructure teams at companies like HubSpot, ChaosSearch, DigitalOcean, and now Articulate, focusing on datastores, messaging, observability, and devops automation. Leo contributes to notable open-source projects—improving S3 encryption handling in HubSpot’s Singularity scheduler and enhancing Vitess’s Java JDBC driver—demonstrating attention to security and connection/resource management. He blends hands-on systems engineering with technical leadership, shipping improvements that reduce operational risk and improve clarity of logging and behavior. Outside of code he brings a creative edge—his GitHub notes interests in music and dance—which surfaces in pragmatic, human-centered tooling and collaboration.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at University of Massachusetts Amherst
English, Chinese
Github Skills (12)
aws-s310
javas10
databases10
jdbc10
java10
database10
mysql9
vitess9
mesos8
kubernetes-pods7
kubernetes7
go4
Programming languages (6)
Github contributions (5)
vitessio/vitess
Aug 2018 - May 2019
Vitess is a database clustering system for horizontal scaling of MySQL.
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:23 commits, 9 PRs, 18 comments in 9 months
Contributions summary:Leo primarily contributed to the Java JDBC driver within the Vitess database clustering system. They focused on enhancing the driver's functionality, including fixing issues related to generated keys in batch upserts and adding support for delayed connection closure. Their work also involved adding a new property related to the closing of old connections, indicating a focus on connection management and resource optimization within the JDBC driver. Furthermore, the user made improvements to the logging messages for clarity.
mysqltidbhorizontal-scalingsqlvitess
HubSpot/Singularity
Mar 2018 - Mar 2018
Scheduler (HTTP API and webapp) for running Mesos tasks—long running processes, one-off tasks, and scheduled jobs. #hubspot-open-source
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR in 3 days
Contributions summary:Leo contributed to implementing S3 server-side encryption features within the Singularity project, modifying code related to S3 upload metadata and the S3 uploader. Their work involved adding flags, renaming fields, and updating code to correctly set encryption on object metadata. The user also fixed an executor call related to S3 upload. This indicates a focus on enhancing data security and improving the functionality of file uploads to S3.
apischedulerscheduled-jobslongmesos
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