Denis Belotserkovets
Lead React Developer at Valor Software
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolDenis Belotserkovets is a Lead React Developer based in Kyiv with eight years of hands-on experience building JavaScript full-stack applications and leading front-end teams. At Valor Software he progressed from Software Engineer to Lead React Developer, shipping robust React solutions and guiding UI/UX implementation. He has a strong open-source track record—contributing front-end fixes and features to the popular ngx-mask Angular plugin, including percent validation, thousands separators, and time-format bug fixes—which shows attention to detail across frameworks. A graduate in Informatics from Kharkiv National University, Denis pairs practical engineering with a knack for solving tricky edge cases in form handling and input validation.
8 years of coding experience
2 years of employment as a software developer
Informatics, Informatics at Харьковский национальный университет имени В. Н. Каразина
Stackoverflow
38reputation
2kreached
1answer
2questions
Github Skills (9)
typescript10
typescripts10
typescript-types10
ngxs10
angular10
html8
primeng6
prolog6
javascript6
Programming languages (8)
Github contributions (5)
JsDaddy/ngx-mask
Dec 2018 - Oct 2019
Angular Plugin to make masks on form fields and html elements.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:81 commits, 33 PRs, 86 pushes in 10 months
Contributions summary:Denis primarily focused on improving the user interface and functionality of the Angular-based mask plugin. Their contributions included fixing issues related to the `sufix` property, improving the handling of multiple special characters, adding a new mask for separating numbers by thousands, and implementing percent validation. They also addressed a bug concerning time format validation and fixed display issues. The user worked extensively on the front end using the angular framework.
ngdecimalsngx-maskngxmask
JsDaddy/ngx-course-server
Apr 2019 - Jul 2019
REST api for ngx-course
Contributions:19 PRs, 48 pushes, 2 branches in 3 months
apingxrestangularserver
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