Sergey Boltonosov
PHP-JS Developer at Freelance
Ukraine
Summary
🤩
Rockstar🎓
Top SchoolSergey Boltonosov is a PHP-JS developer with 11 years of experience building data-heavy web systems and frontend components from Ukraine. He cut his teeth at Itera-Research on a large-scale travel aggregation platform that handled multi-gigabyte XML imports and real-time search, gaining practical expertise in high-throughput data ingestion and site parsing. Since 2013 he’s worked freelance as part of the Jasny team, co-developing the Jasny Framework and contributing front-end improvements to the popular jasny/bootstrap project (file inputs, offcanvas, rowlink) as well as backend work on Node.js-based REST tooling. His background in mathematics (MSc) informs a methodical approach to refactoring and performance optimization across stacks. Colleagues rely on him for pragmatic solutions that bridge PHP legacy constraints with modern JavaScript and Node ecosystems.
11 years of coding experience
2 years of employment as a software developer
Master's degree, Mathematics, geometry, Master's degree, Mathematics, geometry at Kharkiv National University 'Karazin'
Русский, Английский, Украинский
Github Skills (12)
rest-api10
javascript10
nodejs10
bootstra10
expressjs10
bootstrap10
mongodb-database9
mongodb9
html9
http8
configuration-management8
css8
Programming languages (7)
Github contributions (5)
ltonetwork/mongodb-rest
Jul 2018 - Aug 2018
JSON REST server for MongoDB (using node.js)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:37 commits, 10 PRs, 12 comments in 19 days
Contributions summary:Sergey primarily refactored and updated core server-side components within the project. Their contributions focused on the `server.js` file, modifying the server's setup and dependencies, including the use of `express` and `https`. They also updated the configuration loading mechanism in `resolve-config.js` and made logger-related improvements. These changes suggest a focus on maintaining and improving the project's backend REST API functionality.
rest-servernode-jsjson-restnodejsrest
jasny/bootstrap
Jan 2017 - Feb 2019
The missing components for your favorite front-end framework.
Role in this project:Front-end Developer
Front-end DeveloperContributions:53 commits, 35 PRs, 1 push in 2 years 1 month
Contributions summary:Sergey primarily contributed to the Jasny Bootstrap repository by fixing bugs and implementing features related to the front-end components. They focused on enhancing the file input widget with SVG support and addressing offcanvas menu issues. The user also worked on allowing multiple file uploads and improving the behavior of the rowlink component. These changes focused on improving the usability and functionality of the Bootstrap components.
reactjavascriptframeworkmissingbootswatch
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