Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there, I’m Oleksandr Shamshyn, a frontend-focused software engineer with 10+ years of experience building intuitive, scalable web applications and robust user interfaces. I excel at crafting reusable UI components, improving performance, and collaborating closely with designers and backend engineers to deliver seamless UX across platforms. I’m passionate about modern web technologies and building user-friendly applications using React, TypeScript, and Web3-era tools. I thrive in cross-functional teams and take pride in applying best practices, testing, and responsive design to create experiences that feel fast and polished on any device. I’m always eager to learn, adapt, and contribute to projects that push the boundaries of web development and user experience.…Hi there, I’m Oleksandr Shamshyn, a frontend-focused software engineer with 10+ years of experience building intuitive, scalable web applications and robust user interfaces. I excel at crafting reusable UI components, improving performance, and collaborating closely with designers and backend engineers to deliver seamless UX across platforms. I’m passionate about modern web technologies and building user-friendly applications using React, TypeScript, and Web3-era tools. I thrive in cross-functional teams and take pride in applying best practices, testing, and responsive design to create experiences that feel fast and polished on any device. I’m always eager to learn, adapt, and contribute to projects that push the boundaries of web development and user experience.

Oleksandr Shamshyn

Front-End Developer, Web Developer, UI Designer, +2





Hi there, I’m Oleksandr Shamshyn, a frontend-focused software engineer with 10+ years of experience building intuitive, scalable web applications and robust user interfaces. I excel at crafting reusable UI components, improving performance, and collaborating closely with designers and backend engineers to deliver seamless UX across platforms. I’m passionate about modern web technologies and building user-friendly applications using React, TypeScript, and Web3-era tools. I thrive in cross-functional teams and take pride in applying best practices, testing, and responsive design to create experiences that feel fast and polished on any device. I’m always eager to learn, adapt, and contribute to projects that push the boundaries of web development and user experience.…Hi there, I’m Oleksandr Shamshyn, a frontend-focused software engineer with 10+ years of experience building intuitive, scalable web applications and robust user interfaces. I excel at crafting reusable UI components, improving performance, and collaborating closely with designers and backend engineers to deliver seamless UX across platforms. I’m passionate about modern web technologies and building user-friendly applications using React, TypeScript, and Web3-era tools. I thrive in cross-functional teams and take pride in applying best practices, testing, and responsive design to create experiences that feel fast and polished on any device. I’m always eager to learn, adapt, and contribute to projects that push the boundaries of web development and user experience.

Available to hire

Hi there, I’m Oleksandr Shamshyn, a frontend-focused software engineer with 10+ years of experience building intuitive, scalable web applications and robust user interfaces. I excel at crafting reusable UI components, improving performance, and collaborating closely with designers and backend engineers to deliver seamless UX across platforms. I’m passionate about modern web technologies and building user-friendly applications using React, TypeScript, and Web3-era tools.

I thrive in cross-functional teams and take pride in applying best practices, testing, and responsive design to create experiences that feel fast and polished on any device. I’m always eager to learn, adapt, and contribute to projects that push the boundaries of web development and user experience.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Front-End Developer at Sovryn (sovryn.app)

November 1, 2020 - Present

Summary: 2-paragraph, driven frontend engineer focused on building a decentralized, non-custodial smart-contract-based system for Bitcoin lending, borrowing, and margin trading. Developed and optimized core UI components, improving performance and usability. Collaborated closely with designers and backend engineers to create a seamless UX/UI. Implemented new features, maintained and refactored code for better scalability. Built well-tested, reusable components following best practices (Adobe XD design specs). Key Achievements: Reduced UI rendering time by ~30% through optimized state management; improved test coverage, reducing bug reports by ~25%.

Front-End Developer at Meganet

June 1, 2014 - September 1, 2017

Designed and developed a web-based concert hall ticket booking system. Optimized mobile responsive design, improving loading speeds and user engagement. Migrated parts of the application from jQuery to modern JavaScript frameworks. Key Achievements: Increased mobile performance by 40%, enhancing UX and ticket sales; improved accessibility compliance and UX for diverse audiences.