Роман

ROMAN TYPYLO
Frontend Developer
Ternopil, Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | GitHub | LinkedIn

SUMMARY
Frontend Developer with 3 years of commercial experience building SaaS web applications. Core expertise in React, TypeScript, and
MobX with backend experience in Node.js and Ruby on Rails. Delivered 20+ features and redesigned UI/UX across 10+ product
areas for a referral marketing platform. Experienced in Agile/Scrum, cross-functional collaboration, and AI-assisted development
(Claude Code, Cursor, OpenClaw).

WORK EXPERIENCE
Frontend Developer | Talkable | Remote Jan 2024 — Apr 2026
SaaS referral marketing platform for e-commerce. Product team of 10+ (3 FE devs), Agile/Scrum.
• Developed and shipped 20+ features for the core platform including complex user flows, campaign management, and integration
modules.
• Redesigned UI/UX across 10+ areas of the product, migrating legacy interfaces to a modern design system and improving
overall user experience.
• Built and extended Talkable Referrals — a Shopify app — adapting core features for Shopify and adding a post-purchase
extension via Shopify CLI.
• Co-authored a step-by-step Shopify integration guide with the backend team, streamlining client onboarding.
• Created 10+ campaign templates using Liquid and HAML; contributed to backend (Ruby on Rails) fixes across the full stack.
• Developed 10+ reusable UI components for talkable-ui-kit (open-source npm package) and managed version releases.
• Authored 10+ pages of public-facing product documentation; participated in code reviews to ensure quality and share best
practices.
• Leveraged AI tools (Claude Code, Cursor, OpenClaw, Droid, Codex) to accelerate delivery, generate tests, refactor code, and
produce documentation.
Full Stack Developer | WeMyIT | Remote Jul 2023 — Dec 2023
• Developed frontend and backend from scratch using TypeScript, React, Express, and MongoDB.
• Planned project architecture, set up deployment pipelines, and covered critical business logic with Jest tests.

KEY PROJECTS
Dots Game — TypeScript, React, Redux, Socket.IO, Docker, Nginx
• Built a real-time online multiplayer game with WebSocket communication and Docker Compose configs for dev/prod with SSL
via Nginx.
Algorax — React, Redux, Node.js, Express, MongoDB
• Created a cryptocurrency tracking app with real-time data, fiat exchange, deposits, and withdrawals.
E-Commerce Platform for Electronics Store — Next.js 16 (App Router), React 19, TypeScript, Tailwind CSS, Zustand,
React Hook Form, Zod, Prisma, PostgreSQL, Vercel
• Built a production e-commerce platform for a real brick-and-mortar electronics store, including a full product catalog with
category tree filtering, price range slider, search, and sorting, plus product detail pages with image galleries.
• Implemented a Zustand-powered shopping cart with localStorage persistence and a checkout form with delivery options
validated via React Hook Form and Zod.
• Developed an admin panel for product, category, and order management with Cloudinary image uploads and Telegram Bot API
notifications for new orders.
• Hardened security with server-side price validation, input sanitization, and Prisma serializable transactions to prevent stock race
conditions under concurrent checkouts.
• Set up CI/CD with GitHub Actions (TypeScript/ESLint checks), Dependabot, and AI-assisted code review; covered critical logic
with Vitest and Playwright tests.

TECHNICAL SKILLS
Frontend: React, Next.js, TypeScript, JavaScript (ES6+), Redux (RTK Query), Zustand, MobX, Tailwind CSS, MaterialUI, ChakraUI,
React Hook Form, Liquid, HAML
Backend: Node.js, Express.js, MongoDB, Ruby on Rails (basic), REST APIs
Tools & DevOps: Git, Docker, Nginx, Vite, pnpm, Vercel, Shopify CLI, Jest, Socket.IO, ESLint, Claude Code, Cursor, OpenClaw,
Droid, Codex
Practices: Agile/Scrum, Code Review, CI/CD, Responsive Design, Cross-functional Collaboration

EDUCATION
Ph.D. Software Engineering — West Ukrainian National University 2025 — Present
M.Sc. Software Engineering — West Ukrainian National University 2022 — 2024
B.Sc. Computer Engineering — Lviv Polytechnic National University 2018 — 2022

LANGUAGES: Ukrainian (Native) | English (Upper-Intermediate)