Sergiy Stotskiy
Technical Lead at Ciklum
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolSergiy Stotskiy is a Technical Lead with 14 years of engineering and architecture experience, currently driving frontend and hybrid mobile apps using Angular/Ionic and modern JavaScript in Kyiv. He combines hands-on development with team leadership—coaching, hiring, and instituting BDD, E2E testing, and component-based architectures—while shaping projects' technical direction and delivery. An active open-source author and contributor, Sergiy created several gems and libraries (including a Magento one-step checkout and the_grid) and has been a notable contributor to projects like js-data, CASL, sift.js and Protractor/ionic repos. His work often focuses on improving maintainability and developer ergonomics—refactoring core ORM relations, adding CSP-friendly builds, and simplifying component APIs for Knockout. Comfortable spanning backend and frontend stacks (Node, MongoDB, Ruby on Rails, PHP), he brings a pragmatic, test-first approach to product engineering and cross-team collaboration.
14 years of coding experience
6 years of employment as a software developer
Harzburg Certificate, Project Management, Harzburg Certificate, Project Management at International Management AcademyIgor Sikorsky Kyiv Polytechnic Institute
Stackoverflow
5,224reputation
1.2mreached
121answers
1question
mysql
top-5%
jquery
top-5%
javascript
top-5%
magento
top-5%
Github Skills (30)
authorizations10
javascript10
testing10
orm10
authorization10
refactoring10
frontend10
mysql9
magento9
jquery9
typescript9
data-modeling9
utility9
typescript-types9
build-automation9
Programming languages (16)
Github contributions (5)
stalniy/casl
Jul 2017 - Dec 2022
CASL is an isomorphic authorization JavaScript library which restricts what resources a given user is allowed to access
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:223 releases, 6 reviews, 1172 commits in 5 years 5 months
Contributions summary:Sergiy primarily focused on implementing authorization features within the CASL library, as indicated by the commit messages. They implemented initial support for ACL checks, added test cases, and documented how to define abilities. The commits also included work on the documentation site, enhancing its mobile design and improving menu functionality. The user also worked on fixing various bugs related to the project and refactoring code.
isomorphic-javascriptjavascript-libraryauthorizationjavascriptauthentication
crcn/sift.js
Jul 2017 - May 2020
Use Mongodb queries in JavaScript
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:7 commits, 7 PRs, 56 comments in 2 years 10 months
Contributions summary:Sergiy primarily worked on improving the functionality and maintainability of the `sift.js` library, which provides MongoDB-like query capabilities in JavaScript. Their contributions include adding support for object ID comparisons and implementing a separate minified file for Content Security Policy (CSP) support. Furthermore, the user refactored the code to merge operations with the main import and simplified the build process by using Rollup.
javascriptutilityfrontendqueriesmongodb
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