Steve Kaliski
Principal Software Engineer at Stripe
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolSteve Kaliski is a Principal Software Engineer based in New York with 14 years of experience building and leading engineering teams across startups and high-growth payments platforms. He progressed through leadership roles at Frame.io and Stripe, where he focused on Banking-as-a-Service and experimental projects before taking his current principal role. A mathematician by training (BA, NYU), he brings strong numerical intuition to backend systems and contributed significant open-source work on numbers.js, a comprehensive JavaScript math library covering calculus and matrix operations. Steve combines hands-on backend engineering with product-facing technical leadership, frequently translating complex financial and mathematical requirements into production services. He has a founder’s mindset from his time as CTO of Bowery and a track record of shipping robust tooling in both startup and large-company environments. Colleagues describe him as someone who pairs rigorous problem-solving with pragmatic delivery, often surfacing elegant numerical solutions that others overlook.
14 years of coding experience
12 years of employment as a software developer
Wellesley High SchoolBachelor of Arts (B.A.) Mathematics, Bachelor of Arts (B.A.) Mathematics at New York UniversityHarvard University
Stackoverflow
36reputation
97reached
1answer
0questions
Github Skills (15)
mathematics10
calculus10
mat10
code-library10
javascript10
lib10
matrix10
math10
linear-algebra10
data-structure9
data-structures9
algorithm9
statistics9
algorithms9
nodejs6
Programming languages (10)
Github contributions (5)
numbers/numbers.js
Feb 2012 - Jul 2018
Advanced Mathematics Library for Node.js and JavaScript
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 147 commits, 6 PRs in 6 years 6 months
Contributions summary:Steve's primary contributions involve the development of a mathematics library. The initial commit introduced a numeric library with functions for basic arithmetic, calculus, and matrix operations. Subsequent commits expanded the library by adding features such as prime number determination, statistical tools, and additional matrix tools. The user refactored the code and converted it to method invocation, adding functionality for limits and Taylor polynomials.
mathstatisticsnode-jsmathematicsjavascript
powder96/numbers.php
Sep 2012 - Dec 2012
Contributions:85 commits in 3 months
mathphp-portmathematicsphpadvanced-mathematics
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