Тетяна

C O N TAC T S

[open contact info](look above in the "contact info" section)
Tetiana Tsar
[open contact info](look above in the "contact info" section)
Front-end Developer

[open contact info](look above in the "contact info" section)
ABOUT ME
t.me/goddamn_s

Lviv, Ukraine Proactive and detail-oriented Front-end Developer with 2.5+ years of experience building
scalable, performant web and mobile applications with React and React Native. Skilled in
modern JavaScript frameworks, responsive design, and performance optimization. I
HARD SKILLS integrate AI-powered tools — Claude Code, AI-assisted code review and test scaffolding —
into my daily workflow to ship faster, raise code quality, and solve problems more efficiently.
▸ React / Next.js Passionate about intuitive user experiences and collaborating with cross-functional teams
▸ React Native / Expo to deliver impactful products.

▸ TypeScript / JavaScript
EXPERIENCE
▸ Redux / TanStack Query

▸ Node.js / Express.js Front-end / Mobile Developer · D2 Jan 2024 – Present

▸ REST API / GraphQL – Build cross-platform mobile applications in React Native, delivering features from spec to
▸ HTML5 / CSS / SASS / Tailwind production release on iOS and Android.

▸ MongoDB / PostgreSQL – Architected deep-linking and onboarding flows (Universal Links / App Links, JWT magic-
link verification, secure token storage) to reduce user drop-off.
▸ Jest / Unit Testing
– Integrate applications with REST and GraphQL APIs and manage complex client-side
▸ Git / Azure DevOps / CI-CD state using Redux and TanStack Query.
▸ AI-powered dev tools – Tackle native-layer performance work (JS/UI thread profiling, custom blur and animation
effects) for smooth, native-feeling UX.

SOFT SKILLS – Drive code quality through self-review, AI-assisted tooling, and team code reviews within
Azure DevOps CI/CD pipelines.
▸ Problem-solving – Share knowledge across the team through internal developer presentations and best-
▸ Ownership practice documentation.

▸ Cross-functional collaboration
Front-end Developer · Vigorant Jan 2024 – Apr 2025
▸ Knowledge sharing
– Developed responsive user interfaces ensuring seamless usability and functionality.
▸ Open-minded & eager to learn
– Built and maintained robust back-end applications with secure server and database
integration.
L A N G UAG E S – Designed and developed RESTful and GraphQL APIs for seamless data exchange
between services.
English — B1
– Collaborated with cross-functional teams, including UX/UI designers and product
Ukrainian — C2 (Native) managers, to develop intuitive and visually appealing web interfaces.

– Enhanced site performance and SEO through targeted improvements and best
practices.

– Conducted testing and debugging to ensure high-quality deliverables.

EDUCATION

IT School GoIT
Full-stack Developer

Shendrikov Education
Web Designer

Kyiv National University of Technologies and Design
Clothing Designer