Front End Developer
Senior Front End Developer
I'm a Frontend Engineer with 9 years of experience building modern, scalable web applications using React, TypeScript, and JavaScript. I specialize in designing front-end architecture, implementing microfrontend solutions, and building internal development infrastructure and reusable design systems. Furthermore, I've delivered SPAs from scratch across diverse domains - from healthcare platforms to agriculture solutions - transforming business visions into maintainable, high-performance production systems. I thrive in collaborative environments where knowledge sharing, innovation, and continuous growth are encouraged. I'm motivated by solving complex problems, optimizing performance, and contributing to meaningful products while mentoring and leading teams to achieve technical excellence.
Experience: 10 years
Yearly salary: $60,000
Hourly rate: $30
Nationality: 🇺🇦 Ukraine
Residency: 🇪🇸 Spain
Experience
Senior Frontend Engineer
Marema (part-time) 2022 - 2023
Designed and developed the full front-end application for a local business, collaborating closely with the back-end developer. Managed the entire software development lifecycle, from requirement analysis and design to implementation and deployment. Delivered a responsive, user-friendly application while ensuring maintainable and scalable code.
Senior Frontend Engineer
Traivel (part-time) 2022 - 2023
Led the entire front-end development for a travel and booking product, collaborating closely with back-end, design, and product teams. Participated in key product decisions, influencing both technical direction and user experience. Built the complete front-end of the platform and delivered high-quality POCs for pitching and demo purposes. Developed a proof-of-concept mobile application to explore cross-platform opportunities.
Senior Frontend Engineer
Scrupio (part-time) 2021 - 2021
Maintained and improved an existing web application and Chrome extension by fixing bugs and resolving performance issues. Ensured stability and reliability through thorough testing and code quality improvements.
React Native developer
DRISoft (part-time) 2021 - 2021
Ported an existing web application to a React Native mobile app, building it from scratch. Refactored the existing web app and implemented new features to improve stability and usability. Integrated Google Firebase services, including authentication, push notifications, and deep linking. Delivered a seamless cross-platform experience while ensuring maintainable and scalable code.
Senior Frontend Engineer
Migronis (part-time) 2021 - 2021
Developed an internal SPA for automated citizenship eligibility and calculation processes. Implemented responsive UI and efficient state management to ensure accuracy and usability. Collaborated with stakeholders to refine requirements and deliver a reliable internal tool.
Senior React Developer
C The Signs 2020 - 2025
Owned the front-end development in the early startup stage, building SPAs from scratch and collaborating closely with the CTO and product owners. Defined architecture and made key technical decisions, including migrating the codebase from JavaScript to TypeScript, introducing unit testing, and splitting a monolithic app into micro-frontends. Drove the launch of new products end-to-end, from initial architecture and setup to deployment and release. Helped establish Scrum processes, contributing to planning, refinement, and estimation practices. Supported team growth by interviewing, onboarding, and mentoring new developers, as well as conducting code reviews to maintain quality and consistency.
Front-end developer
Softserve 2018 - 2020
Designed and implemented new modules and features for a large-scale SPA using modern front-end technologies. Actively participated in all Scrum ceremonies, including sprint planning, refinement, daily stand-ups, and retrospectives. Collaborated with product owners, QA, and back-end teams to analyze requirements, estimate tasks, and deliver high-quality solutions. Conducted thorough code reviews to maintain coding standards, improve quality, and share best practices across the team. Mentored junior and trainee developers, providing guidance on coding practices, architecture, and career growth.
Front-end developer
Wedes 2016 - 2018
Built responsive front-end templates from PSD designs using HTML, CSS, JavaScript, Typescript, jQuery and Bootstrap. Developed an internal front-end framework with Gulp, Webpack, and PostCSS to streamline workflows. Optimized website performance and improved development efficiency.
Skills
bootstrap
css
git
javascript
jquery
nextjs
node
react
react-native
typescript
front-end
english
russian
ukrainian