Максим

Dyvnych Maksym
* Ukraine [open contact info](look above in the "contact info" section) # [open contact info](look above in the "contact info" section)
ï [open contact info](look above in the "contact info" section) Telegram
PROFESSIONAL SUMMARY
Frontend Developer with nearly 3 years of hands-on project experience building product-oriented web applications
with React, Next.js, and TypeScript. Experienced in delivering complex features across the full development
lifecycle, from product requirements and frontend architecture to API integration, testing, and quality validation.
Worked on automotive commerce, product discovery, payments, order and return management, RBAC, real-time
functionality, and internal business tooling.

TECHNICAL SKILLS
• Frontend: React, Next.js, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, shadcn/ui
• Backend and Databases: Node.js, NestJS, Express.js, PostgreSQL, Prisma, Drizzle ORM, REST APIs
• State & Client Architecture: TanStack Query, Redux Toolkit, Zustand, optimistic UI, client-server

synchronization
• Commerce & Security: Stripe, JWT authentication, RBAC, authorization, idempotent operations

• Testing & Quality: Playwright, Vitest, Jest, React Testing Library, Lighthouse CI, WCAG accessibility testing

• Engineering Workflow: Git, GitHub Actions, Docker, CI/CD, Jira, Agile, code review, AI-assisted

development with Codex and ChatGPT
• Languages: Ukrainian (Native), English (B1)

PROFESSIONAL EXPERIENCE
Full-Stack Developer May 2024 - Present
ITRex Group Ukraine
• Built automotive catalog and product-discovery experiences in Next.js, connecting a 5-step vehicle selector, Customer

Garage, catalog filtering, and PDP compatibility flows.
• Delivered end-to-end Guest and Customer shopping journeys across Cart and Checkout, enabling users to start

purchasing without upfront registration and recover from stock, currency, and stale-cart conflicts.
• Engineered a repeat-safe Stripe Checkout experience with idempotency protection, server-side price and stock

revalidation, and recoverable conflict handling for concurrent inventory changes.
• Built role-aware experiences for Customer, Supplier, Support, and Admin workspaces, combining authorization-aware UI

with identity-isolated TanStack Query caching.
• Improved Core Web Vitals, accessibility, and visual stability across critical flows, eliminating a Supplier Workspace CLS

regression from 0.267 to 0 and introducing automated WCAG A/AA validation.
• Extended NestJS/Prisma contracts when frontend features required new backend capabilities, replacing client-side

workarounds with reusable APIs for catalog filtering, supplier membership, and scoped search.
Frontend Developer October 2023 - March 2024
Binary Studio Ukraine
• Delivered end-to-end recruitment CRM features in Next.js, React, and TypeScript across candidate, vacancy, client, and

team-management workflows.
• Built an 8-stage candidate pipeline with role-aware transitions, rejection feedback, stage history, and recruiter activity

tracking, giving teams clear visibility into candidate progress.
• Implemented role-aware CRM experiences across 4 user roles and 25+ permissions, integrating protected UI flows with

server-side authorization and tenant-scoped data access.
• Developed a server-rendered analytics dashboard with recruitment KPIs, pipeline conversion, vacancy distribution, recent

submissions, and team activity data.
• Improved high-frequency recruitment workflows with server-side search, filtering, pagination, persistent filters, responsive

layouts, and clear loading, validation, and empty states.
• Contributed to reliable full-stack workflows using PostgreSQL and Drizzle ORM, including transactional mutations,

audit history, scoped queries, and targeted cache invalidation across interconnected CRM entities.

EDUCATION
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” 2020 - 2024
Faculty of Informatics and Computer Engineering, Computer Engineering Kyiv, Ukraine
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” 2024 - 2025
Faculty of Informatics and Computer Engineering, Information Management Systems and Technologies Kyiv, Ukraine