Артем

Artem Volok
FRONTEND / FULL-STACK DEVELOPER | REACT | NEXT.JS | TYPESCRIPT

PROFILE
Frontend developer with 4+ years of commercial experience building web and mobile
products for international clients. Strong in React, Next.js and TypeScript, with
TanStack Query, Zustand, React Hook Form, Zod and Tailwind CSS, plus React
CONTACT Native (Expo) on mobile. Comfortable delivering features across Node.js backends,
Budapest, Hungary
PostgreSQL / Supabase, Stripe payments and LLM integrations, and working directly
[відкрити контакти](див. вище в блоці «контактна інформація») with clients from requirements to release. After 20+ client products, looking to go deep
[відкрити контакти](див. вище в блоці «контактна інформація») into one product with a long-term team.
[відкрити контакти](див. вище в блоці «контактна інформація»)
EXPERIENCE
WORK STATUS
Viso Software Jun 2024 - Present
Open to remote, hybrid or on-site Frontend / Full-Stack Developer
Employment contract or B2B
Outsourcing company. · Remote
KEY STACK Delivered 20+ client products in healthcare, edtech, social, marketplaces and travel
across web and mobile, in teams of up to 6 engineers or as the sole developer
React & Next.js (App Router)
TypeScript
communicating directly with clients in English.
State & data fetching (TanStack AI exam-preparation platform (Mar 2026 - present): deliver features across a
Query, Zustand, Redux Toolkit) React frontend and a Node.js / Express + PostgreSQL backend, working directly
Forms & validation (React Hook with the client on requirements and manually testing every release before it ships.
Form, Zod) Integrated Gemini-based features: automated scoring of student answers and
Tailwind CSS / shadcn/ui / MUI generation of practice questions from uploaded PDF/DOCX documents; added
REST & WebSocket integration in-browser voice recording for speaking tasks with automatic stop on silence.
Stripe & LLM API integrations
Integrated Stripe subscriptions, coupons and webhooks; connected the platform to
React Native (Expo)
a legacy service via JWT-based single sign-on.
LANGUAGES B2B marketplace on Next.js and Express: Excel import/export, file uploads to AWS
English - B2 S3, subscriptions and analytics.
Daily written and spoken Location-based social voting app (React Native / Expo, ~14 months, team of 5):
communication with international Mapbox maps with an H3 hexagon heatmap, offline mode, upgrade from Expo SDK
clients 51 to 54 (React Native 0.81, React 19) and an iOS App Clip.
Ukrainian - Native Health & wellness apps: migrated a production React Native app to Expo with the
New Architecture and StoreKit 2; co-led a medication tracker on Expo and
TECHNOLOGY Supabase with HealthKit / Health Connect sync.
FRONTEND: Built most mobile apps on Firebase: authentication (email with verification, phone
React 18/19, Next.js 15/16 (App OTP, Google, Apple), Firestore data models, Cloud Storage for files and photos,
Router), TypeScript, Vite, TanStack Cloud Functions and push notifications via FCM.
Query, Zustand, Redux Toolkit,
React Hook Form, Zod, Tailwind Freelance (direct client) Aug 2026 - Present
CSS, shadcn/ui, MUI Freelance Frontend / Mobile Developer (part-time)
Subscription platform with web and mobile apps. · Remote
MOBILE:
React Native, Expo (Router, EAS, Shaped the product with the client: requirements, user roles (client, beekeeper,
config plugins), New Architecture, manager) and delivery milestones, working alongside a backend developer.
Reanimated, Mapbox, HealthKit / Built the Next.js web frontend and an Expo mobile app at feature parity with web:
Health Connect, push notifications role-based navigation, photo uploads via signed URLs, on-device PDF certificates,
(FCM), App Store / Google Play Excel export, Google and Apple sign-in.
releases
Freelance (direct client) Feb 2025 - Jul 2025
BACKEND & DATA:
Freelance Frontend Developer (part-time)
Firebase (Auth, Firestore, Storage,
Telegram Mini Apps (TON). · Remote
Cloud Functions, Cloud Messaging),
Node.js, Express, REST APIs, Built a real-time auction Mini App on React and Socket.IO with TON / USDT top-ups
WebSockets (Socket.IO), via TON Connect, and a token launchpad web app with live candlestick charts.
PostgreSQL, Supabase (Auth,
Storage, Edge Functions),
Crypto startup Aug 2023 - Oct 2023
MongoDB
Frontend Developer (part-time)
Remote
AI:
Set up the frontend architecture and built a token creation and tracking web app
OpenAI and Gemini APIs, structured
with React, TypeScript and MUI.
JSON output, prompt design,
AI-assisted development (Claude
Code, Cursor, Codex, Copilot)

PAYMENTS: ABCloudz Mar 2022 - Jun 2023
Stripe (subscriptions, Checkout, Frontend Developer
webhooks, coupons), RevenueCat, International software company. Joined as an intern in Jul 2021.
StoreKit 2, TON Connect Built product features in React and TypeScript in a team of four frontend developers
CLOUD: working alongside backend and DevOps engineers.
Vercel, Replit Deployments, AWS Handled debugging and functional testing of new features before release.
S3, Google Cloud
TESTING:
Manual functional and regression
testing of features before release,
on real iOS and Android devices
and in the browser; debugging
ALSO WORKED WITH
(TASK-LEVEL):
NestJS, Prisma, tRPC, Docker,
AWS ECR, SignalR, Swift / SwiftUI

EDUCATION
M.Sc. Software Engineering
National Aerospace University
"Kharkiv Aviation Institute"
(2024)
B.Sc. Software Engineering
National Aerospace University
"Kharkiv Aviation Institute"
(2022)