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Volodymyr Kholiavko
Frontend Engineer
[open contact info](look above in the "contact info" section) | Remote | [open contact info](look above in the "contact info" section) | @freadst

SUMMARY
I have more than 4 years of experience as a front-end developer. Diverse experience across multiple product teams has
made me a highly independent engineer capable of owning the full development lifecycle. I enjoy building end-to-end
products, learning new technologies, and taking ownership throughout the development lifecycle.

SKILLS
Hard Skills
HTML, CSS/SCSS, JavaScript, TypeScript, React.js, React Native, Next.js, Redux / Redux-toolkit, Zustand, Tailwind CSS.
WebSocket / Socket.IO, REST API, BaaS, Stripe, Git, React Query, Agile/Scrum.
Soft Skills
Product Ownership, Analytical Thinking, Client Communication, Technical Leadership, Adaptability
LANGUAGES
English — B2 (Upper-Intermediate)

WORK EXPERIENCE | Ukrainian — Native

Intempt Dec. 2025 – Mar. 2026
Front-end Engineer Remote
GrowthOS — a B2B SaaS platform.:
Developed authentication and user onboarding flows, improving the activation experience for new users.
Integrated third-party services (Shopify, Gmail, Google Calendar, Calendly, SendGrid).
Built AI-powered onboarding workflows that personalized UX based on company context.
Implemented automated website analysis to personalize AI recommendations for customer interactions.
Stack: React, TypeScript, TanStack Query, REST APIs, Third-party API integrations

Wimble Group Nov.2022– Mar.2025
Front-end Engineer Remote
Dinomail — a service for e-mail templating, management, sending, and analytics:
Developed the front-end part of the service.
Fixed critical UX issues, reducing the bounce rate by 15%.
Introduced a component-based approach, reducing code duplication by 40%.
Stack: JavaScript, React, Vue.js, SASS, Email.js, React-hook-form, ag-grid, Redux-toolkit, MUI.
Delivered multiple landing page projects.
AI Email Generator — led the project from scratch to launch, attracting numerous investments:
Led the project from scratch till completion and developed the front-end part of the service.
Improved the UX of a critical scenario.
Suggested a performance optimization which decreased web page loading time by 83%.
Stack: TypeScript, React, Tailwind.css, SCSS, Framer-motion, Redux-toolkit, React-hook-form, Email.js.
Filmmakers — a service for movie directors, producers, and casting, delivered on time and satisfying
all requirements:
Designed the architecture, technical stack, and led front-end development.
Set up Vercel for the frontend, reducing deploy time from 2 hours to 20 minutes.
 Stack: TypeScript, React, Next.js, Material UI, Vite, SASS, Redux-toolkit, Socket.IO.
Chronicle—a UI refresh with a tech-stack upgrade, delivered on time and satisfying all requirements.
Stack: JavaScript, React, Tailwind.css, Email.js, React-hook-form, Web3, Rainbow API, Redux-toolkit.

Neptunes Apr. 2024 – Jun. 2024
Front-end Team Lead Remote
Tik-Tokcompetitor with a focus on monetization opportunities for influencers andcontent-makers:
Designed the architecture, business decisions, and technical stack choice.
Presented progress in front of the C-suite.
Reduced the number of bugs in production through the implementation of typing and strict checks.
Stack: React, TypeScript, FSD, Swagger, Redux-toolkit, Agile.
NeptunesSushi - led a team in development of the website:
Led the project from scratch till completion and set up project workflows.
Accelerated application loading from 3.2s to 1.4s through lazy loading and bundle optimization.
Managed a team of 6 junior engineers.
Stack: React, TypeScript, Chakra-ui, Stripe, React Query, Postman, Agile.

Tomnium Sep. 2021 – Feb. 2022
Junior Front-end Developer Odessa, Ukraine
Eshake - payment processor:
Took part in front-end development, working closely with senior team members.
Optimized INP by 150%.
Implemented a few dozen UI components, speeding up the development of new pages.
Handled a Priority-0 incident, preventing financial losses.
Stack: React, Redux, TypeScript, Material UI, WebSocket, Socket.IO, Apollo Client, GraphQL, SASS,
Bootstrap, Node.js.

PROJECT EXPERIENCE

Neptunes - Referral E-commerce Platform Jul. 2025 – Sep. 2025
Freelance Software Engineer Remote
Designed and developed a full-cycle web application from scratch, including payment processing, Firebase
backend, and responsive frontend.
Acted as the main technical contact, defining scope, timelines, and system architecture in collaboration with
the client.
Owned end-to-end delivery including architecture, technology selection, estimation, and production release
on schedule.
Implemented routing improvements, error handling, and Stripe integration for EU payments.

Stack: React,Next.js, Redux-toolkit, TypeScript, Firebase (Hosting, Functions, Database), Stripe, LiqPay.

EDUCATION & CERTIFICATIONS
Master's Degree — Odesa State Academy of Civil Engineering and Architecture (ODAU)
EF SET English Certificate — B2 (Upper-Intermediate)