Oleh Zasadnyy
Senior Software Engineer at Bolt
Tallinn, Harju County, Estonia
Summary
🤩
Rockstar🎓
Top SchoolOleh Zasadnyy is a Senior Software Engineer and founder with 13 years of experience building cross-platform mobile apps and leading engineering teams. Based in Tallinn, he combines hands-on React Native expertise with product instincts—currently shipping his own startup, Jigger, a cocktail recipes app. At Bolt and previously at N-iX he led and scaled React Native efforts for complex consumer and financial products, often balancing team leadership with active coding. An early GDG Lviv leader, he created widely used open-source conference templates (Zeppelin and Hoverboard) and contributes front-end design and UX improvements to community projects. His background spans full-stack work, from Java backend to modern front-end frameworks, and he occasionally applies UI/UX and graphic design skills to polish products. Colleagues describe him as a pragmatic builder who blends startup hustle with community-driven open-source impact.
13 years of coding experience
9 years of employment as a software developer
Master's degree Computer Programming, Master's degree Computer Programming at Ivan Franko National University of Lviv
Ukrainian, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
html10
css10
polymer10
sass10
responsive-design10
javascript10
user-interface10
web-components10
front-end-development10
material-design9
website-design7
site-design7
Programming languages (9)
Github contributions (5)
gdg-x/zeppelin
Sep 2014 - Sep 2020
Awesome conference website in 5 minutes.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 releases, 1 review, 72 commits in 6 years
Contributions summary:Oleh primarily focused on front-end development, transforming CSS files to Sass and implementing UI improvements. This involved style fixes and the creation of a file for sponsors. Further contributions included updates to the schedule template and the addition of a static map fallback, reflecting a focus on user interface enhancements and overall website design.
reactjekyllminutesconference-website
gdg-x/hoverboard
Sep 2015 - Aug 2019
Conference website template
Role in this project:Front-end Developer
Front-end DeveloperContributions:15 releases, 648 commits, 367 PRs in 3 years 11 months
Contributions summary:Oleh primarily contributed to the front-end development of the conference website template. They implemented UI components using Polymer and Material Design, modifying CSS styles and HTML elements to enhance the visual appearance and user experience. The user added new features such as a photo gallery and a video dialog, further improving the website's functionality. They also made changes to page layouts and content organization.
lit-elementtemplatefirestoreweb-componentsfirebase
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