English:
Intermediate
Serhii S.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Intermediate
Experienced front-end dev for 20+ years. Expert in cross-browser templates, SVG, and typography. Passionate about semantic web, and page acceleration.
With 20+ years in front-end development, I mastered the art of creating precise, innovative templates. From the early days of Netscape to today's modern technologies, my passion for pixel-perfection shines through. My expertise spans HTML5 to React, Perl to NodeJS, ensuring seamless integration and optimization. My commitment to continuous learning and efficiency keeps me at the forefront of the industry. My portfolio speaks volumes, showcasing the impact on hundreds of projects.
Want to hire this engineer?
Check if Serhii is availableExpertise
Years of commercial development experience
20 years of experience
Core technologies
Other technologies
Project Highlights
Travel Visa Pro
Nov `23 - May `24
6 months
Expedited Visa & Passport Agency
Responsibilities & achievements
- Website improvement and hotfixes; - Writing Tips & Tricks documentation; - Analytics.
Zala.io
Aug `23 - May `24
9 months
Insurtech Software Development Company
Responsibilities & achievements
- Full-stack development of a corporate website on the Webflow low-code platform; - Audit of layouts, participation in design development; - Participation in the UI Kit creation; - Responsive design for smartphones, tablets, and desktops; - Fully managed via CMS – without interfering with templates – website; - Implementation of responsive images (taking into account screen size and Retinareadiness) in WebP format with JPG/PNG support for legacy browsers; - Customized sharing of materials on social networks; - Rich Links Preview and SEO optimization; - CSS animations & transitions; - Control over accessibility; - Controlling page speed.
AI-based solution
Jan `23 - May `23
4 months
Brand development AI-based solutions
Responsibilities & achievements
- Full-stack development of a single-page landing on WordPress with shortcodes and plugins; - Audit of layouts, participation in design development; - Responsive design for smartphones, tablets, and desktops; - Rich Links Preview and SEO optimization; - CSS animations & transitions; - Control over accessibility; - Controlling page speed.
LaGate
Apr `22 - May `22
LaSoft's internal micro-project. It opens gates and doors in our office through a one-page application, accessible only when connected to a corporate Wi-Fi network
Responsibilities & achievements
- Design creation; - PWA development; - CSS graphics.
QuentuMerge
Jan `22 - May `22
4 months
QuantuMerge is the first AI-powered M&A insurance platform servicing all stakeholders in the M&A transaction.
Responsibilities & achievements
- Creation of the dashboard system architecture; - Development of responsive interfaces based on prototypes; - Accessibility control (WCAG) and speed of responsiveness of interfaces; - Consulting on UX improvement, participation in the development of UI prototypes; - Transferring a landing page from the Wix platform to your own hosting; - Code optimization without changing the appearance; - Building and maintaining a library of reusable components based on Storybook.
To Note
Jul `21 - Nov `21
4 months
ToNote is a Notary system optimization startup in Nigeria by enabling the customers to use a little less paper when signing, stamping, sealing, and securely sharing essential documents via the web and mobile-based platforms.
Responsibilities & achievements
- Page architecture development; - Page layout creation based on mockups in Figma; - Prototyping and development of mobile interfaces based on desktop mockupsImplementation of the Web Content Accessibility Guidelines (WCAG); - Supervision, and audited the work of colleagues, refactoring, and integrating into a common project; - Refinement of icons, and creation of an icon font.
LaSoft
Oct `20 - May `24
4 years
LaSoft is a European, business-oriented software development company that helps startups disrupt markets, get traction - by building innovative applications.
Responsibilities & achievements
- Page layout creation based on mockups in Figma; - Optimization of existing pages, code refactoring, simplification of DOM-trees; - Graphics optimization. Implementation of progressive formats SVG, WebP, AVIF; - Implementation of the Web Content Accessibility Guidelines (WCAG); - Collaboration with the design team to improve accessibility; - Page speed control, implementation of practices aimed at speeding up; - Creation of a Storybook, a collection of common reusable components, to standardize and control key interface element.
Blue Manor Academy
Oct `20 - May `21
7 months
Blue Manor Academy brings elite prep-schooling to the kitchen table. Blue Manor is the first of its kind: an affordable online prep school for homeschoolers. In success, elite prep schools outdo all other forms of schooling—public, private, and yes, even traditional homeschools.
Responsibilities & achievements
-Page architecture development; - Responsive page layout creation based on mockups in Figma; - Creating an interactive brand book: a list of reusable components; - Collaboration with front-end developers, review and code control; - Vector graphics optimization, systematization, merging into icon fonts.
UnderDock
Oct `19 - Oct `20
1 year
UnderDock offers a printing service for a big network of high-fashion shops (sites), which provides 3 types of products Images/Frames, Hoardings a Consumer Messaging. At this point to optimize their order management process needs to be built a Project and Order management module and their integration with their current system.
Responsibilities & achievements
- Translating of desktop mock-ups to the responsible and adaptive HTML layouts (mobile first); - Core webpages architecture; - Creation and implementation of customization schemes for specific users; - Consultations on the improvement of both layouts and interfaces in general; - The introduction of a style guide into the project and monitoring its development.
Te Spoke
Nov `18 - Apr `20
1 year
TheSpoke is a massive user portal with entertainment to-do lists and reviews. The portal has movies, restaurants, theaters, festivals, games etc. Unlike competitors, TheSpoke offers each user capabilities to create his/her own lists of entertainment and share the list with his/her friends, and follow lists of other users. TheSpoke has improved peer to peer recommendation algorithm. The project is now in production with many happy users.
Responsibilities & achievements
- Development of responsive interfaces (mobile, tablet, desktop); - Their integration with previously created; - Code optimization and unification, refactoring; - Systematization of standard reusable components, reduction of their number, the foundation of the design system; - Vector graphics optimization, systematization, merging into icon fonts; - Availability control; - Consultant and supervisor of the design team for the development of design prototypes and ready-made layouts in Figma; - Designer of desktop and tablet interfaces based on existing mobile interfaces following the styles of the previously created page; - Collaboration with customers in search of new interfaces.
Art Pole
Mar `18 - Dec `19
2 years
ArtPole project is a modern lightweight and responsive website of the cultural events agency. It is an independent cultural institution with the purpose of creating and producing non-commercial innovative art projects — Ukrainian and international ones.
Responsibilities & achievements
I was responsible for core UI architecture, UX prototypes, creating a custom WordPress theme, making HTML layouts, CSS animations, audio player solutions, Page speed optimization, accessibility enhancements, and, at this time, project support.
Podpishi
Dec `17 - Dec `19
2 years
Podpishi is an online fast paperless tool for signing documents.
Responsibilities & achievements
I was responsible for Core UI architecture, User Account pages UI architecture and development, UX prototypes, mock-ups, responsive design, Rich Links previews, CSS animations, and Page speed optimization.
Prosto Plateg
Jan `14 - Dec `17
4 years
ProstoPlateg is an instant solution for accepting payments online.
Responsibilities & achievements
I was responsible for Core UI architecture, UX prototypes, mock-ups, responsive design, custom icon set, Rich Links previews, CSS animations, Page speed optimization, and, at this time, project support.
Education
Higher Education
Agency
100-400
GMT+2
Lodz/Poland
Core Expertise
Industries
Construction & Real estate, Human Resources & Career, Sports & Fitness, Advertising & Marketing, Insurance & Risk Management, Telecommunication, Telecommunications and Social Network
Want to hire this engineer?
Check if Serhii is available