Богдан

Bohdan Zhumabekov
Senior Frontend / Fullstack Engineer | Vue.js, Nuxt, Node.js
Lviv, UA • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • Telegram: @ray_of_goodness
SUMMARY
Frontend-strong fullstack engineer with 4+ years of commercial experience: Vue 3, Nuxt 3/4, TypeScript on the frontend, backed
by Node.js (Express, NestJS), PostgreSQL, and Redis. Founder and lead developer of Casy (casy.beauty), a production
CRM/booking SaaS designed and built end-to-end. Currently on the R&D team migrating a high-traffic B2C e-commerce platform
to Nuxt 4 at EVA. Mentors frontend engineers.
TECHNICAL SKILLS
Frontend: Vue 3 (Composition API), Nuxt 3/4, TypeScript, JavaScript (ES6+), Pinia, SASS/SCSS, Tailwind CSS, Storybook, Web
Vitals / SSR / SEO
Backend: Node.js (Express, NestJS), REST API design, gRPC, BullMQ, RabbitMQ
Databases: PostgreSQL, Knex.js, Redis
Testing & Tools: Playwright (E2E), Vitest, Docker, Git / GitLab CI/CD
AI-Assisted Dev: Claude Code — deep hands-on knowledge of the harness: custom skills, MCP servers, hooks, subagents,
plugins, CLAUDE.md; spec-driven development workflows
EXPERIENCE
Frontend Developer (Nuxt 4) | EVA 05.2025 – Present • R&D team
• Driving the frontend architecture migration from Vue Storefront to Nuxt 4 on a high-traffic B2C e-commerce platform.
• Designed and implemented core architectural solutions: global modals system, unified server request handlers, and the
feature branching strategy.
• Improved Web Vitals and SEO through parallel request execution, strategic async handling, and rendering optimizations —
mobile LCP cut from ~7.5s to 2.8s (−63%); Core Web Vitals passing on desktop.
• Built and maintain the Storybook component library; established codebase-wide code style guidelines; run code reviews and
contribute to architectural decisions.
Founder & Lead Developer | Casy — CRM / Booking SaaS for the beauty industry Side project • casy.beauty • in production
• Designed and built the product end-to-end as a solo engineer: Nuxt 4 PWA client, Vue 3 SPA admin, NestJS API.
• Backend on NestJS + PostgreSQL + Redis + BullMQ: Google OAuth2 auth, dynamic query builders, global pagination, and
concurrent booking-conflict handling.
• Load-tested to sustain peak booking traffic with significant headroom on a single low-cost VPS; key flows covered with
Playwright E2E tests.
Full Stack Developer (Vue / Node) | REDI 12.2023 – 05.2025
• Optimized critical SQL paths with targeted and composite indexes for date + parameter lookups, cutting heavy query times
from ~4s to ~0.5s (~8×) in high-frequency internal workflows.
• Refactored 40% of Vue.js components: noticeably faster UI on low-end hardware and quicker feature delivery.
• Built a multi-module user-activity tracking system, enabling granular analytics for internal operations.
Full Stack Developer (Nuxt / Vue / Laravel) | TGI 09.2022 – 12.2023
• Built a multi-role fintech/trading CRM with branched access rights and a real-time Forex/stock trading platform (Chart.js).
• Delivered a crypto game with complex frontend game logic in Nuxt/Vue; extended backend functionality in PHP/Laravel.
Frontend Developer (Vanilla / Vue / Nuxt) | Freelance 08.2021 – 09.2022
• Delivered 10+ projects for international clients, incl. the LetsMint NFT marketplace built from scratch: Web3 wallet
integrations (MetaMask, WalletConnect) and smart-contract interaction (Web3.js, Ethers.js).
MENTORSHIP & VOLUNTEERING
• Mentor frontend engineers: curriculum design, code reviews, and career guidance for developers entering the field.
• Find U — co-founded a wartime missing-persons portal: UX design, user flows, and frontend implementation.
EDUCATION
Bachelor's Degree, Logistics — National Mining University (2007–2012) • Clean Code & Design Patterns — robot_dreams (2023)
LANGUAGES
Ukrainian — Native • English — B1 (Intermediate)