Тимофей

Tymofii Antoniuk
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Phone: [open contact info](look above in the "contact info" section) | Email: [open contact info](look above in the "contact info" section)​
GitHub: github.com/timaantonuk | Portfolio: tymofiiantoniuk.vercel.app

Front-End Developer with 5+ years of experience, based in Ireland with full work authorization. Strong
background in the React ecosystem and modern UI frameworks. Passionate about building scalable applications with a
focus on performance, accessibility, and user-centric design. Skilled in collaborating with cross-functional teams to
deliver high-quality, production-ready solutions.
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Key Technologies & Skills:

React | Next.js | JavaScript | TypeScript | SSR & SSG | Redux & RTK | React Query | Zustand | React Hook Forms &
Formik | React Router | Axios & REST API | HTML | CSS | SCSS | Tailwind | Bootstrap | MUI | Shadcn | Framer
Motion | Git & Terminal | React Testing Library | Jest | Figma

Work Experience:

Front-End Developer at Harvey Nash Mar. 2023 – Apr. 2025 (2 yr 1 mos), Remote, Ireland

Worked on key features for a client’s dating platform, WeAreX, including incognito mode and super likes, which
contributed to a 20% increase in paid subscriptions. Helped optimize the user registration flow with React Hook Forms,
leading to higher daily active engagement. Participated in the rebranding and enhancement of the event page and ticket
purchasing process using React, SCSS, Typescript and RTK improving user experience and accessibility. Developed a
new website for Killing Kittens, WeAreX’s platform for events and meetups, improving brand presence and conversion
rates.

Front-End Developer at Expleo Group Jan. 2022 – Mar. 2023 (1 yr 3 mos), Remote, Europe

Developed and maintained a mental health support app using React, Typescript, Redux Toolkit, enabling users to track
emotional well-being and build self-awareness. Implemented journaling for automatic thoughts, psychological tests, and
mood tracking with insightful statistics using AG Grid & AG Charts. Integrated breathing exercises with Lottie
animations & Framer Motion and an anti-procrastination diary, fostering mindfulness and productivity. Enhanced user
engagement through intuitive UI and seamless data visualization.

Graphic Designer at Parimatch Sep. 2019 – Nov. 2021 (2 yr 3 mos), Kyiv, Ukraine

Designed a variety of marketing materials, including landing pages, brochures, and digital assets for social media.
Produced high-quality visuals for advertisements, collaborating with photographers and illustrators. Worked with Figma,
Photoshop, Illustrator for UI/UX and branding design, while utilizing After Effects, Premiere Pro, and Cinema 4D for
motion graphics and marketing visuals.

Education and Certifications:

●​ Bachelor in Computer Sciences, Kyiv Polytechnic Institute, 2019 – 2022
●​ Front-End Bootcamp, Mate Academy, 2022 – 2023
●​ IELTS Certificate | Fluent written and spoken English