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Hi, I'm Maksym Chub, a full-stack JavaScript engineer based in Kyiv, Ukraine. I build web and mobile apps with React, React Native, Node.js, Shopify, and AWS, taking ownership from idea to production and delivering features 0→1 in lean product teams. I enjoy architecting robust systems, setting up CI/CD, mentoring teammates, and optimizing performance. Highlights include reducing data-heavy screen load times by 5x, shipping a high-value auction workflow handling over $100K in a single evening, and driving architecture decisions across a five-person team.…Hi, I'm Maksym Chub, a full-stack JavaScript engineer based in Kyiv, Ukraine. I build web and mobile apps with React, React Native, Node.js, Shopify, and AWS, taking ownership from idea to production and delivering features 0→1 in lean product teams. I enjoy architecting robust systems, setting up CI/CD, mentoring teammates, and optimizing performance. Highlights include reducing data-heavy screen load times by 5x, shipping a high-value auction workflow handling over $100K in a single evening, and driving architecture decisions across a five-person team.

Maksym Chub

Front-End Developer, Web Developer, Full Stack Developer, +2

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Hi, I'm Maksym Chub, a full-stack JavaScript engineer based in Kyiv, Ukraine. I build web and mobile apps with React, React Native, Node.js, Shopify, and AWS, taking ownership from idea to production and delivering features 0→1 in lean product teams. I enjoy architecting robust systems, setting up CI/CD, mentoring teammates, and optimizing performance. Highlights include reducing data-heavy screen load times by 5x, shipping a high-value auction workflow handling over $100K in a single evening, and driving architecture decisions across a five-person team.…Hi, I'm Maksym Chub, a full-stack JavaScript engineer based in Kyiv, Ukraine. I build web and mobile apps with React, React Native, Node.js, Shopify, and AWS, taking ownership from idea to production and delivering features 0→1 in lean product teams. I enjoy architecting robust systems, setting up CI/CD, mentoring teammates, and optimizing performance. Highlights include reducing data-heavy screen load times by 5x, shipping a high-value auction workflow handling over $100K in a single evening, and driving architecture decisions across a five-person team.

Available to hire

Hi, I’m Maksym Chub, a full-stack JavaScript engineer based in Kyiv, Ukraine. I build web and mobile apps with React, React Native, Node.js, Shopify, and AWS, taking ownership from idea to production and delivering features 0→1 in lean product teams.

I enjoy architecting robust systems, setting up CI/CD, mentoring teammates, and optimizing performance. Highlights include reducing data-heavy screen load times by 5x, shipping a high-value auction workflow handling over $100K in a single evening, and driving architecture decisions across a five-person team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Ukrainian

Fluent

Russian

Fluent

English

Advanced

Work Experience

Front-End Developer

August 1, 2023 - June 1, 2024

Built frontend for web and mobile applications using React and React Native; integrated GraphQL APIs, Shopify store integrations, and Polaris UI components; implemented Tailwind-based styling and performance optimizations. Collaborated with designers to translate wireframes into pixel-perfect interfaces.

Frontend/Full-Stack Developer

June 1, 2024 - March 1, 2025

Focused on GraphQL-powered frontend with WatermelonDB; implemented Next.js/Expo-based apps; improved UI consistency using Polaris and Tailwind; contributed to migration to Remix and Next.js, and built scalable components across platforms.

Full-Stack Developer

March 1, 2025 - Present

Full-stack React & React Native and Shopify Developer; building Shopify apps and storefronts, leveraging Remix, Redux, and SQL databases; involved in end-to-end development from UI to backend integration; actively shipping features and iterating on product requirements.

Full-Stack JavaScript Developer at JetBase

March 1, 2025 - Present

Design and ship full-stack product features for Shopify and custom e-commerce workflows. Design and ship auction, offer, and order-generation flows with business validation logic and production-grade reliability. Own architecture decisions, CI/CD setup, AWS infrastructure, code review, and mentoring within a 5-person product team. Selected achievements include reducing load time for completed events by 5x with snapshot-based caching; shipping a major offer workflow enabling discounted purchases after admin approval; supporting high-value auction operations with over $100K in sales in a single evening; and setting up PR approval rules, automated test triggers, and Slack-based alert pipelines.

Full-Stack / Mobile Developer at DevelopsToday

June 1, 2024 - March 1, 2025

Developed web and mobile features for a product focused on events, communication, organization, and user engagement. Built reusable UI and state-management patterns across multiple product flows. Collaborated in an English-speaking delivery environment and supported implementation from requirements to release in a 3-person team. Delivered cross-platform features across React, React Native, Next.js, and Expo, and helped structure reusable frontend patterns to improve velocity.

Front-End / Mobile Developer at Flora24

August 1, 2023 - June 1, 2024

Developed product and interface features for a flower retail management platform covering inventory, store operations, and sales workflows. Built data-driven admin experiences with Refin e, Ant Design, GraphQL, and WatermelonDB. Integrated APIs and contributed to ongoing UX and product improvements within a 3-person team. Delivered operational features for inventory tracking, item management, and day-to-day store workflows; built admin and mobile interfaces for data-heavy scenarios requiring reliable synchronization and responsive UX.