Особисті дані приховані

Vitaliy Vinichenko
Front-end Engineer
[відкрити контакти](див. вище в блоці «контактна інформація») | Dnipro, Ukraine | vitvin-visit-card.vercel.app/

[відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
Frontend Engineer & Indie Product Founder with 4+ years of full-cycle experience across web, desktop, and
mobile applications. Specializing in React, TypeScript, and interactive 3D interfaces, with a strong focus on
building production-ready products from concept to deployment. Proven track record of delivering scalable UI
for enterprise B2B platforms and independently developing and launching commercial desktop products,
including their backend, licensing and distribution infrastructure. Experienced with AI/LLM integrations,
complex cross-platform solutions, design systems, pixel-perfect implementation, and performance
optimization.

WORK EXPERIENCE
Frontend Developer, OnePlatform 02/2026 – 09/2026 | Remote
Owned end-to-end delivery of frontend features for a multi-module enterprise B2B platform used to automate
business operations, employee development, and internal workflows within a large cross-functional Agile
team.
Accelerated feature delivery and optimized development workflows, enabling the team to consistently meet
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strict sprint deadlines.
Translated Figma designs into pixel-perfect, responsive interfaces, implementing custom iconography and
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complex UI elements.
Leveraged and contributed to a unified Design System, ensuring visual consistency and reusability across
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multiple platform modules.
Built scalable React and TypeScript interfaces using reusable component architecture.
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Integrated REST APIs, implementing robust data flow, authentication, and error handling mechanisms.
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Improved frontend performance through lazy loading, render optimization, and bundle size reduction.
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https://oneplatform.club/en

Frontend Engineer / Fullstack Developer, Freelance 11/2022 – 02/2026 | Remote
Developed and delivered commercial applications for clients and independent product initiatives across web,
desktop, and mobile platforms. Responsible for the full development lifecycle, including architecture, feature
implementation, and deployment.
Built and maintained production applications using React, TypeScript, Electron, and React Native.
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Developed cross-platform desktop and mobile solutions with a focus on performance, usability, and
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maintainability.
Integrated frontend applications with backend services, implementing authentication, state management,
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and complex data flows.
Created interactive web experiences and 3D interfaces using Three.js and React Three Fiber.
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Developed a CRM platform for an agricultural company, enabling client management, communication
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tracking, and structured data workflows.

React Native Developer, WizardsDev 10/2021 – 03/2022 | Dnipro, Ukraine
Assisted in developing mobile applications using React Native.
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Worked with state management, API integration, and application data flows.
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Followed Agile development practices and collaborated with the development team.
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EDUCATION
Bachelor of Computer Science, Ukrainian State University of Science and Technology 07/2020

Programmer-Technician, College of Business and Law 07/2018

TECHNICAL SKILLS
Languages & Frameworks: JavaScript, TypeScript, React, Electron, React Native, Next.js, Node.js
Styling & UI: Tailwind CSS, HTML, CSS, Shadcn, Pixel-Perfect Layouts, Responsive Design, Accessibility, Design
systems
State Management: MobX, Redux, Zustand, React Context
Forms & Validation: React Hook Form, Zod
Data & APIs: REST API, WebSockets, Axios, Fetch, Supabase, PostgreSQL, JWT
Tools: Git, GitHub, Vite, Webpack, Figma, Postman, Insomnia, Vercel, Jira, n8n
Interactive UI & 3D: Three.js, React Three Fiber, Drei, Framer Motion, Scroll-driven animations
AI Integration: LLM API integration (local/cloud), Tool Calling, Context Memory management
AI Development Tools: Claude Code, OpenAI Codex, Antigravity, Cline.

OWN PROJECTS
KIT: Keep In Touch — Desktop CRM | Personal Product, Desktop CRM application for sales managers and
client-facing professionals to manage customer relationships, follow-up workflows, and daily operations.
•Built an Electron-based desktop application with React and TypeScript, featuring customizable client fields,
communication history, notes, follow-up scheduling, calendar management, smart search, and automatic
daily backups with data recovery.
•Designed and implemented the complete product ecosystem from scratch, including the public website,
backend infrastructure, licensing system, activation keys, trial licenses, subscription validation and email
delivery.
•Designed and implemented the backend using Fastify and Supabase/PostgreSQL, covering license
validation, activation keys, trial access, subscriptions, email delivery, and supporting product APIs.
•Implemented local data storage to keep customer information on the user's device, with internet access
required only for license verification at application startup.
•Set up automated application version distribution and update infrastructure, allowing new releases to be
delivered through the product website.
•Deployed the complete product ecosystem and launched the application for public pre-release testing
ahead of the commercial release.
https://kit-keepintouch.pages.dev/

Pocket Storage,
Cross-platform mobile application for storage organization, navigation, and personal belongings management.
Built and published on Google Play using React Native and TypeScript.
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Implemented multilingual support, advanced search, customizable structure management, and data
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migration tools.
https://play.google.com/store/apps/details?id=com.pocketstorage

AI 3D Avatar Assistant, Interactive desktop AI assistant featuring a 3D animated avatar that acts as a smart
companion and productivity tool.
Integrated local and cloud LLMs, implementing advanced capabilities like tool calling and persistent context
memory.
Built the 3D animated widget and interactive rendering system using Three.js and React Three Fiber.
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Packaged the application as a cross-platform desktop widget using Electron, ensuring low resource
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consumption and smooth performance

Interactive 3D Portfolio, Designed and developed an interactive 3D portfolio website combining WebGL,
scroll-driven animations, and advanced UI motion effects.
Built the 3D environment using Three.js, React Three Fiber, and Drei, integrating 3D objects and scenes into
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a fully interactive React application.
Implemented complex scroll-driven animations for both 3D objects and the camera, synchronizing scene
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transformations with the user's scroll position.
Developed advanced UI animations with Framer Motion, creating coordinated transitions between 3D
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content and traditional interface elements.
Implemented complex CSS masking and clipping effects to create layered transitions and immersive visual
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sections.
Built a custom interaction system connecting scroll progress, 3D scene state, UI animations, and visual
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effects into a unified experience.
Focused on component architecture and rendering performance to maintain smooth interactions
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throughout the 3D experience.
https://vitvin-3d-portfolio.vercel.app/

LANGUAGES
English German
B2 — Upper-Intermediate B1 — Intermediate