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Senior Full-Stack and Web3 Developer

Hourly rate

$35/hr

About me

Hello! I am Vladyslav, a Senior Full-Stack and Web3 Developer with over 5 years of experience in building high-performance web apps, scalable backends, and interactive Telegram or crypto ecosystems. I progressed from a Frontend Developer to a Team Lead at an international e-Commerce holding, where I architected large-scale premium platforms. I deliver clean, production-ready code. MY STACK: Frontend: React.js, Next.js, Vue.js, Nuxt.js, TypeScript. Backend and Web3: Python, FastAPI, Celery, Aiogram, Node.js, Solidity. Databases and DevOps: PostgreSQL, MongoDB, Redis, Docker, Docker Compose, CI/CD. Protocols: REST API, WebSockets, GraphQL, Crypto Payments. WHAT I BUILD: 1.Telegram Mini Apps and Bots: GameFi, iGaming, or SaaS with real-time WebSockets and Web3. 2. Custom CRM, ERP and SaaS: Business automation, clinic ecosystems, dashboards, AI agents. 3.High-Load e-Commerce and dApps: Decentralized apps, online stores, trading bots. Let us connect!

Work experience

ASBIS Enterprise

June 2022 – October 2024

Job title

Senior Frontend Developer / Team Lead

Work experience & achievements

Promoted from a Senior Frontend Developer to a Team Lead within an international e-Commerce holding. Managed the frontend development team and architected scalable, high-load enterprise platforms. Developed and optimized dynamic user interfaces using Vue.js, Nuxt.js, and JavaScript. Successfully migrated legacy systems to modern tech stacks, significantly increasing web performance. Established clean code standards, mentored junior developers, and coordinated with cross-functional teams.

WonderWeb Digital Agency

December 2024 – October 2025

Job title

Senior Full-Stack Developer (Contract)

Work experience & achievements

Engineered complex web applications and full-stack solutions for agency clients under a long-term contract. Developed and maintained scalable backends using Python (FastAPI) and integrated them with dynamic frontends on React and Vue 3. Designed efficient relational database schemas and optimized API response times. Built responsive, pixel-perfect interfaces, managed global state, and integrated third-party payment gateways. Handled complete product lifecycles from architecture design to final deployment via Docker.