Vassil Mladenov
Software Engineer at Meta
Palo Alto, California, United States
Summary
🤩
Rockstar🎓
Top SchoolVassil Mladenov is a software engineer based in Palo Alto with 11 years of experience building backend systems and contributing to large-scale open source tooling. At Meta since 2017, he brings production-grade engineering experience grounded in earlier internships at Apple, Facebook, National Instruments, and Dow Chemical. He has a strong systems and tooling background demonstrated by backend contributions to Facebook/Flow, where he worked on OCaml core functionality, server monitoring, and integrating dune as an alternative build system. Comfortable across mobile, security, and backend domains, he combines practical product delivery with deep interest in developer productivity and code quality. Known for lifelong engagement with computing, he pairs institutional experience with hands-on open source work that improves developer workflows.
11 years of coding experience
3 years of employment as a software developer
University of Illinois Urbana-Champaign
Bulgarian, English, Spanish
Github Skills (6)
build-system10
backend10
back-end-development10
ocaml10
system-design8
javascript5
Programming languages (11)
Github contributions (5)
facebook/flow
Feb 2018 - May 2022
Adds static typing to JavaScript to improve developer productivity and code quality.
Role in this project:
Backend Developer
Backend DeveloperContributions:22 commits, 1 PR in 4 years 3 months
Contributions summary:Vassil primarily contributed to backend development tasks within the Flow repository, a static typing tool for JavaScript. Their work involved modifying OCaml code related to core functionalities like logging, string handling, and build processes. The user's contributions included changes to files responsible for core functionality such as, but not limited to, server monitoring, and core utilities demonstrating a solid understanding of the project's backend architecture. Furthermore, they were involved in integrating dune as an alternative build system.
static-typingproductivityjavascriptdeveloper-productivitydataflow-programming
vassilmladenov/hhvm
Mar 2018 - Jun 2024
Contributions:10 pushes, 2 branches in 6 years 3 months
programsvirtual-machine
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