Dmytro

Dmytro Boiarchuk
FULLSTACK ENGINEER | REACT, NEXT.JS, NODE.JS
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)

Professional Profile
Fullstack Engineer with 4 years of experience building React, Next.js, TypeScript, and Node.js applications.
Built REST APIs and third-party integrations, AI-powered automation workflows, responsive product UI, and
performance improvements; comfortable owning features across frontend and backend boundaries.

Tools

• Frontend: • Backend & Infrastructure:
React, Next.js, TypeScript, JavaScript, Redux, Node.js, Express.js, NestJS, PostgreSQL, MongoDB,
Zustand, MobX, React Hook Form, Zod. Prisma, Mongoose.
• Styling & UI: • Build & Development Tools:
Styled-components, Tailwind CSS, MUI, Figma, Vite, Webpack, ESLint, Prettier, GIT.
Storybook. • Monitoring & Analytics:
• Data & APIs: Sentry, Google Analytics 4 (GA4), Google Tag
React Query/Axios, REST API, JSON-RPC API, Manager (GTM), Amplitude, Clevertap.
WebSocket, GraphQL. • CMS & AI:
• Testing & Quality: Prismic, OpenAI API, Claude API, Claude Code,
Jest, React Testing Library. Codex, AI integrations, spec-driven development.

Work History
08/2025 - Present
Fullstack Engineer
3Commas.
• Built AI integrations and automation workflows, from localization and translation pipelines to Slack bots.
• Built and maintained Node.js/NestJS services and REST APIs, implementing business logic, DTO validation, and
third-party integrations.
• Developed a Next.js (React + TypeScript) app with focus on performance, SEO, and SSR/SSG.
• Led frontend performance optimization initiatives, increasing Lighthouse scores from 30 to 80 on mobile and from 50
to 80-85 on desktop while improving Core Web Vitals and SEO performance.
• Built responsive UI with Tailwind CSS and styled-components, following a design system.
• Used Claude Code and Codex in daily development, working with a spec-driven process to deliver AI-assisted
features.
• Wrote tests (Jest, RTL).
• Integrated Prismic CMS (content modeling, slices/components) to enable fast content updates.
• Worked closely with designers in Figma; delivered pixel-perfect layouts and iterations.
• Played a key role in setting up the internal admin panel and RBAC model, defining roles and access permissions.
• Partnered with marketing stakeholders to deliver SEO-driven features, landing pages, and growth initiatives.
03/2025 - 08/2025
Middle Front-end Developer
HIVEX.
• Built UI with React, TypeScript, MUI, and styled-components.
• Integrated frontend with backend via JSON-RPC; ensured reliable data flow.

• Migrated Zod to a new major version in the frontend codebase.
• Designed and built an Electron desktop app for internal workflows.
• Maintained reusable UI components aligned with the project design system.
• Participated in feature planning, code reviews, and cross-functional collaboration within an Agile development team.
01/2025 - 08/2025
Front-end Developer (Part-time)
Freelance.
• Maintained and optimized a sushi delivery website; improved performance and UX.
• Developed new pages/features with React + TypeScript; ensured responsive design.
• Tested, debugged, and deployed updates in collaboration with the client.
08/2022 - 09/2023
Junior Fullstack Developer
Company under NDA.
• Developed and maintained an e-commerce platform using React, Node.js, and Express.js.
• Built REST API endpoints and server-side business logic for e-commerce workflows, integrating backend APIs with
the React frontend.
• Optimized React components (React.memo, lifecycle) to reduce re-renders and improve performance.
• Wrote unit tests using Jest; improved reliability.

Education
06/2021 - 06/2022 Coding Bootcamp - Learn CS basics and React + TypeScript (SH++).
programming.org.ua/en - Kropyvnytskyi, Ukraine
09/2019 - 12/2020 Master Degree in Aircraft Operation
Flight Academy of the National Aviation University - Kropyvnytskyi, Ukraine
09/2015 - 06/2019 Bachelor Degree in Aircraft Operation
Flight Academy of the National Aviation University - Kropyvnytskyi, Ukraine

Additional Skills
Languages: English (Upper-intermediate+) • Ukrainian (Native) • Russian (Native)
Certificates: AWS Certified Cloud Practitioner