Daniel Puckowski
Senior Software Engineer at mPulse
Naugatuck, Connecticut, United States
Summary
🤩
Rockstar🎓
Top SchoolDaniel Puckowski is a Senior Software Engineer with 11+ years building high-performance full-stack applications, specializing in Angular front ends and Java/Spring back ends. He designs for runtime performance and readability—using pure pipes/components, Web Workers, and focused RxJS patterns—and writes thorough unit and integration tests with Mock Service Worker and Spectator. He’s the author of Sling.js, a custom JavaScript framework featured in the popular js-framework-benchmark, and has contributed front-end fixes to well-known projects like Less.js. His background spans applied research (novel image descriptor COIF and video analytics), FBI cyber tools, and production machine-learning features for supply forecasting. Comfortable with systems from bytecode interpreters in C++ to large Oracle-backed enterprise apps, he combines low-level curiosity with pragmatic delivery. Based in Connecticut, he pairs open-source contributions and inventiveness with a track record of shipping scalable, parallelized solutions.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Champlain College
Github Skills (8)
css10
lang10
javascript10
front-end-development10
performance-testing10
js8
cycle8
cyclejs8
Programming languages (5)
Github contributions (5)
less/less.js
Jul 2023 - Mar 2025
Less. The dynamic stylesheet language.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 releases, 8 reviews, 24 PRs in 1 year 8 months
Contributions summary:Daniel primarily focused on enhancing the Less.js library's support for CSS features. Their contributions included implementing and testing support for CSS Container Queries and Media Queries Level 4. The user addressed parsing issues and refined the handling of media query syntax, ensuring consistent behavior with the library's previous versions. They also updated the codebase to incorporate various CSS functionalities.
cssjavascriptstylesheetstylesheet-language
krausest/js-framework-benchmark
Feb 2022 - Jun 2022
A comparison of the performance of a few popular javascript frameworks
Role in this project:Front-end Developer
Front-end DeveloperContributions:10 commits, 20 PRs, 4 comments in 4 months
Contributions summary:Daniel primarily contributed to the project by implementing and updating various JavaScript frameworks within the context of a performance benchmark. Their work involved fixing bugs related to testing and the `isKeyed` check within the tests, specifically addressing issues with the removal of table rows. They integrated and updated different versions of the Sling.js framework, and fixed broken framework implementations like Etch and Cycle.js. The user demonstrated a focus on ensuring accurate and efficient performance testing across different JavaScript frameworks.
benchmarkingv8-javascript-enginejavascriptcomparisonframework
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