Andrea Bergia
Sr Staff Software Engineer at ServiceNow
Turin, Piedmont, Italy
Summary
🤩
Rockstar🎓
Top SchoolAndrea Bergia is a Sr Staff Software Engineer with 12 years of experience building and hardening large-scale platforms, currently focused on the JavaScript engine at ServiceNow where he has driven ECMA-262 compatibility, performance improvements, and critical security fixes. Comfortable across C++, Java, PL/SQL and a wide polyglot toolset (Go, Python, Objective-C, Qt, .NET and front-end frameworks), he pairs deep systems-level expertise with strong Linux and scripting skills. He has led technical teams and architecture at LIST and served as Principal Software Engineer at lastminute.com, delivering enterprise solutions for major European banks and insurers. An active contributor to the well-known Rhino project, Andrea has fixed core engine bugs and added ES6 features—an indication of his ability to navigate language internals and standards. Trained as a mathematician from the University of Turin, he brings analytical rigor and a genuine passion for programming to complex, security-sensitive codebases.
12 years of coding experience
14 years of employment as a software developer
Master, Mathematics, Master, Mathematics at Università degli Studi di TorinoBachelor, Mathematics, Bachelor, Mathematics at Università degli studi di TorinoIIS G. Vallauri
English, German, Italian
Stackoverflow
5,512reputation
615kreached
134answers
9questions
java
top-5%
sonarqube
top-5%
Github Skills (15)
javascript10
ecmascript10
java9
pointer9
sonarqube9
javas9
compiler-design8
lexer7
arm6
objective-c6
header-files6
windows6
multithreading6
api-design6
clang6
Programming languages (7)
Github contributions (5)
mozilla/rhino
Oct 2023 - May 2026
Rhino is an open-source implementation of JavaScript written entirely in Java
Role in this project:
Back-end Developer
Back-end DeveloperContributions:69 reviews, 74 PRs, 183 comments in 2 years 7 months
Contributions summary:Andrea primarily contributed to the Rhino JavaScript engine's core functionalities, focusing on bug fixes and implementing new features related to ECMAScript specifications. Their work included correcting implementations for built-in math functions such as `Math.atanh`, and enhancing support for ES6 features, including implementing `Symbol.species` for various built-ins and adding methods to TypedArray. The user also addressed issues around function constructors and hoisting, and addressed problems with the lexer.
javajavascript
andreabergia/rjvm
Feb 2023 - Sep 2025
A tiny JVM written in Rust. Learning project
Contributions:4 PRs, 68 pushes, 20 branches in 2 years 8 months
jvmrust
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