Володимир

VOLODYMYR PIDVIRNYI
FULL-STACK & MOBILE DEVELOPER
Location: Lviv, Ukraine Email: [open contact info](look above in the "contact info" section) Phone: [open contact info](look above in the "contact info" section)

LinkedIn: [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY

Versatile Full-Stack & Mobile Software Engineer specializing in React, Next.js, React Native (Expo), TypeScript, and Node.js.
Proven track record in building offline-first mobile applications with real-time GPS telemetry, responsive web platforms, and
automated admin dashboards with secure transaction handling. Focused on architectural modularity, predictable state
management, and high-performance cross-platform interfaces.

TECHNICAL SKILLS

Core & Languages: TypeScript, JavaScript (ES6+), HTML5, CSS3, LESS, RESTful APIs, JSON
Frontend & Web: React.js, Next.js, Redux Toolkit, Context API, UI/UX Systems, Responsive Web Design
Mobile Engineering: React Native, Expo, In-App Purchases (IAP), Offline-First Architecture, Geolocation Tracking,
Custom Map Overlays
Backend & Tools: Node.js, Express, Supabase, Firebase, Git, GitHub, Figma, Performance Optimization

PROFESSIONAL EXPERIENCE

React Native Developer — Delivery Platform Mar 2026 – Oct 2026
Engineered a cross-platform food delivery mobile application using React Native (Expo) and Supabase for real-time order
synchronization and backend data flow.
Re-architected the application from the ground up into modular service layers, reducing load times by 30% and significantly
enhancing code maintainability.
Implemented In-App Purchases (IAP) and digital checkout workflows with receipt validation, facilitating seamless in-app
subscriptions and order payments.
Constructed an adaptive design system and integrated dynamic mapping features with custom route markers to optimize
order dispatching.

React Native Developer — Sports Tracking Application Oct 2025 – Feb 2026
Developed an offline-first mobile tracking app for skiers with React Native (Expo), guaranteeing zero telemetry data loss
via local cache and auto-sync upon network reconnection.
Implemented high-precision GPS geolocation tracking with low-pass signal noise filtering algorithms to accurately
calculate speed, altitude, and descent trajectory.
Integrated In-App Purchases (IAP) for premium map layers and advanced telemetry features alongside a gamified
milestone and achievement system.
Built in-app community features, including threaded interactive discussion forums, media asset uploads, and dynamic
activity feeds.

Front-End Developer — Retail & Fintech Solutions Jan 2025 – Dec 2025
Built and maintained modern web applications using React.js and Next.js, ranging from high-converting customer landings
to complex enterprise admin portals.
Engineered feature-rich management dashboards facilitating real-time database administration and automated payment
processing for retail store networks.
Connected secure RESTful APIs for transaction workflows, handling dynamic payloads and real-time ledger updates with
comprehensive error boundaries.
Created rich interactive layouts and micro-animations for customer-facing interfaces while adhering strictly to unified
design system tokens.

Full-Stack Developer — Fullstack Innovations Dec 2023 – Dec 2024
Designed and maintained scalable user interfaces using React.js, Redux Toolkit, and TypeScript to deliver highly
responsive digital platforms.
Implemented performant Node.js backend features and microservices to support high-throughput internet resources and
client data pipelines.
Built server-rendered, SEO-optimized informative web applications using Next.js for instant content delivery and increased
user reach
Volodymyr Pidvirnyi — Curriculum Vitae Page 1 of 1