Валерія

VALERIIA ZAVADETSKA
Full-Stack developer

CONTACT SUMMARY
[open contact info](look above in the "contact info" section) Full-Stack Developer (3.5+ years) specializing in React / Next.js on the
frontend and Node.js / NestJS / PostgreSQL on the backend. Delivered
[open contact info](look above in the "contact info" section) end-to-end features in production across fintech, logistics automation,
and healthcare. Proven experience in code review, junior mentoring,
Warsaw, Poland and cross-functional collaboration.

https://github.com/Valeria2707
WORK EXPERIENCE
[open contact info](look above in the "contact info" section)
a-zavadetska-23359425b/ Full-Stack developer U.Stork Lab January 2025 to Present
Worked across multiple client projects in fintech, recruiting, education, and
EDUCATION logistics automation domains as part of an outsource team.
Took ownership of projects from zero: defined architecture, selected tech
Igor Sikorsky Kyiv Polytechnic Institute stack, communicated with clients, and delivered features end-to-end across
BSc — Information Systems and multiple domains.
Technologies Implemented auth system, RTK Query with polling and response caching,
tests, responsive design, and performance optimizations.
2021 – 2025
Refactored codebases improving maintainability, configured Docker for
Igor Sikorsky Kyiv Polytechnic Institute standardized dev environments, and contributed to UI/UX decisions.
MSc — Software Engineering Mentored junior developers and conducted code reviews, raising code quality
and consistency across the team.
2025 - present
Full-Stack developer Deerly January 2023 to December 2024
SKILLS UK-based healthcare product company
Proactively proposed and implemented new product features, contributing
Frontend: React, Next.js, TypeScript,
ideas that improved user experience and were adopted into the roadmap.
JavaScript, Redux, Animations, i18n / Built reusable UI components with React and TypeScript, established
next-intl, TailwindCSS, Material UI, Storybook for component documentation and design-dev handoff.
SCSS/SASS, Mantine, Storybook, PWA, Integrated Stripe payment system - implemented subscription flows,
payment processing, and webhook handling for transaction events.
React Native, Playwright, shadcn/ui,
Worked in Agile team across full feature lifecycle - from requirements and
Module Federation, Axios, Formik design review to deployment and support.
Backend: Node.js, NestJS, Strapi, REST API,
PostgreSQL, JWT, WebSockets, TypeORM,
MongoDB, GraphQL, Postman, Docker,
COURSES
Supabase
AI: Claude, ChatGPT, Codex Modern Front-end at Fwdays Full-Stack at Sigma Software University
Node.js at Hillel IT School Front-end Pro at Hillel IT School

LANGUAGE React-Native at Hillel IT School Front-end Basic at Hillel IT School

Ukrainian - Native
English - B2 PORTFOLIO

HOBBY Finance Tracker FE Coffee shop
Finance Tracker BE Task manager (MFE)
Rock climbing
Travelling

Dancing