Damian Mastylo
Quantitative Developer
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolDamian Mastylo is a quantitative developer with 13 years of software engineering experience, currently building data-driven trading systems at Balyasny Asset Management after founding and running Stellaris Capital Management. He blends rigorous machine learning training (M.S. and B.S. from Rensselaer Polytechnic Institute, magna cum laude) with practical, scalable architecture—favoring simplicity and thoughtful design across polyglot stacks. His background spans startups and large firms (Hopper, Enlitic, Say Technologies/Robinhood, FactSet) and includes founding roles where he delivered payment and consumer-facing platforms. Outgoing and approachable, he pairs collaborative leadership with hands-on coding and an appetite for operational robustness in finance. Off the clock he pursues strength training and competitive soccer, a discipline that informs his steady, performance-oriented approach to engineering.
13 years of coding experience
10 years of employment as a software developer
High School Degree, N/A, High School Degree, N/A at Blue Valley West High SchoolMaster of Science (M.S.), Computer Science, Master of Science (M.S.), Computer Science at Rensselaer Polytechnic Institute
English, Polish
Stackoverflow
881reputation
111kreached
7answers
5questions
hash
top-5%
Github Skills (177)
jquery-plugin10
mvc10
ruby10
html10
rails10
vscode-extension10
query-language10
vscode10
keybindings10
jquery9
validation9
linux9
api9
exchange9
database9
Programming languages (13)
Github contributions (5)
dmastylo/chat_server
Mar 2014 - Apr 2014
Contributions:43 commits in 18 days
chunkingchatportsnodejschat-server
stephensilber/white-xcode-ibeam
Mar 2015 - Oct 2023
A tiny script and a pure white Ibeam icon to replace the black Ibeam in Xcode
Contributions:2 PRs in 8 years 8 months
tinyiconswiftwhitexcode
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.