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Ruslan Cherniavsky

Ruslan Cherniavsky

Tel Aviv, Israel

Mid-level Frontend Developer

React / TypeScript · Full-stack exposure

Mid-level Frontend Developer with 3+ years of production React/TypeScript experience and 4+ years across software, 3D simulation, and product engineering. Frontend-focused, with practical full-stack exposure across Node.js, Firebase, Stripe, REST APIs, webhooks, and deployment environments involving .NET, Docker, and IIS. Strong in reusable UI architecture, responsive interfaces, accessibility, technical research, and AI-assisted development workflows with Cursor.

View projectsWork with me

Core skills at a glance

Stack at a glance

  • React
  • TypeScript
  • Redux
  • Node.js
  • Firebase
  • Stripe
  • Three.js
  • Blender
  • REST APIs
  • WebSockets
  • Frontend Architecture
  • AI-powered Dev
  • AI Context Mgmt
  • Accessibility

Skills

What I bring to the table

Frontend

  • React
  • TypeScript
  • Redux
  • JavaScript
  • HTML / CSS
  • MUI / Bootstrap
  • Responsive UI
  • Accessibility
  • Performance

Backend & Integrations

  • Node.js
  • Firebase
  • Stripe Connect
  • REST APIs / Webhooks
  • SendGrid
  • .NET exposure
  • Docker / IIS
  • MongoDB
  • MySQL

3D & Creative

  • Three.js
  • React Three Fiber
  • WebSockets
  • Blender
  • Python / BPY
  • Computer Vision data

Tooling & Process

  • AI-assisted Development
  • AI Context Management
  • Technical Research
  • Advanced Git
  • Frontend Architecture
  • Figma
  • Cursor
  • Jira / Azure DevOps

Selected work

Founder-led products, same bar as client work

Lynqfy

Live

Founder & Product Engineer · Jan 2025 — Present

Creator-focused digital storefront

Digital storefront for selling digital products with automated checkout and instant file delivery — built on Firebase, Stripe Connect, and SendGrid. Multi-tenant SaaS with a landing-page builder.

  • React
  • Vite
  • Firebase
  • Stripe Connect
  • SendGrid

Outcome · Shipped end-to-end: secure checkout flows, automated email delivery, landing-page builder, and subscription plan structure.

Visit live →GitHubArchitecture

Spheres

Live

Founder & Product Engineer · In development

Anonymous real-time 3D social space

Experimental platform where users interact as 3D spheres in a shared world — spatial presence, anonymous chat, and a rating system that shapes each sphere's visual identity.

  • React
  • Three.js
  • R3F
  • Socket.io
  • Firebase

Outcome · Built real-time 3D world with minimal server footprint: 10 Hz WebSocket sync, in-memory world state, no Firestore for positions or chat.

Visit live →GitHubArchitecture

Experience

Professional Experience

Q-nomy · Tel Aviv

May 2024 — Present

Frontend Developer

  • Developed and maintained production scheduling applications — Online Booking and Agent Console — using React, TypeScript, Redux, and MUI.
  • Built reusable UI components and state-management logic for complex booking, rescheduling, service-selection, and appointment-management flows.
  • Integrated REST APIs and webhook-related flows, coordinating with .NET services in environments involving Docker and IIS.
  • Improved booking UX by making flows more flexible, responsive, accessible, and maintainable.
  • Collaborated with UX/UI designers and cross-functional Agile teams from feature planning through production delivery.
  • Used Cursor and AI context management to accelerate analysis, refactoring, and implementation while maintaining code quality.

Rail Vision · Ra'anana

Apr 2023 — Jan 2024

Frontend Developer

  • Developed a React-based internal application for hardware and AI data analysis.
  • Built data-heavy dashboards using React, MUI, custom CSS, and REST API integrations.
  • Designed and implemented internal Node.js REST APIs backed by MySQL and MongoDB.
  • Worked in a fast-paced startup focused on computer vision, AI systems, and hardware-related data workflows.

Rail Vision · Ra'anana

Mar 2021 — Jan 2023

3D Simulations Developer

  • Developed advanced 3D synthetic data simulations for machine learning and computer vision workflows.
  • Built custom Blender tools and add-ons using Python, JavaScript, and BPY.
  • Designed scalable data-generation pipelines integrated into ML workflows.

Earlier Experience

Point 2 Point Studios · Tel Aviv

Nov 2020 — Jul 2021

Motion Designer / Designer

  • Created visual content and edited high-profile projects for clients including Wix, Intel, HP, Samsung, Reshet, and Keshet.
  • Worked with Adobe Suite and Blender to deliver polished content for broadcast, conferences, and digital platforms.

Lightvision · Tel Aviv

2016 — 2020

Visual Engineer

  • Led technical execution for large-scale conferences and live visual productions for clients including Leumi, Toyota, and Menora Mivtachim.
  • Solved real-time technical issues under pressure while coordinating with production and client teams.

Education

John Bryce · Tel Aviv

Professional Certificate · Full-Stack Web Development · Jun 2021 — Aug 2022

JavaScript, HTML, CSS, React, Redux, Angular, TypeScript, Node.js, Express, MongoDB, MySQL, PHP, Bootstrap, MUI, GitHub.

Contact

Let's work together