Rafael Bey-hernandez
Vice President at Goldman Sachs
Jersey City, New Jersey, United States
Summary
🤩
Rockstar🎓
Top SchoolRafael Bey is a seasoned engineering leader with 11 years at Goldman Sachs, now serving as Vice President in Jersey City where he blends technical depth with strategic delivery. A University of Puerto Rico–Mayagüez computer engineering graduate, he progressed from Technical Analyst to leadership roles while maintaining hands-on backend expertise. He contributes to notable open-source work such as finos/legend-engine, improving JSON serialization, relational execution, and programmatic service execution—skills that translate to robust API and data platform improvements in production. Known for fixing subtle runtime and streaming-edge bugs, Rafael excels at making complex distributed systems more reliable and auditable.
11 years of coding experience
Bachelor of Engineering (B.Eng.), Computer Engineering, Bachelor of Engineering (B.Eng.), Computer Engineering at University of Puerto Rico-Mayaguez
Spanish, English
Github Skills (9)
legend10
javas10
freemarker10
java10
json-serialization10
modeling9
relational-databases9
api8
apidoc8
Programming languages (4)
Github contributions (5)
finos/legend-engine
Sep 2021 - Jan 2023
Legend Engine module
Role in this project:
Back-end Developer
Back-end DeveloperContributions:750 reviews, 33 commits, 810 PRs in 1 year 4 months
Contributions summary:Rafael primarily focused on improving the Legend Engine module by addressing various issues related to JSON serialization, and pure language compilation. They implemented measures to prevent the generation of invalid JSON during streaming result errors and corrected freemarker exception handling in relational execution. Additionally, the user worked on enhancing the relational store's functionality, validating milestone column existence, and providing programmatic execution features for services. Their contributions span execution plan improvements, relational database interaction, and API enhancements.
modelinglegend
rafaelbey/legend-engine-ide-lsp
Dec 2023 - Nov 2025
Contributions:172 pushes, 143 branches in 1 year 11 months
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