Vitalii N.

Senior Unity Developer

Megamod Inc • Tiempo completo

Jul 2022 - Nov 2025 • 3 yrs 4 mos

Worked as a Senior Unity Developer on the Megamod ecosystem, a large cross-platform UGC and multiplayer product built with Unity for WebGL, Mobile. My responsibilities included building and maintaining a modular Unity core shared across multiple products, implementing high-load multiplayer systems with Photon Fusion, improving WebGL performance and memory usage, and integrating third-party services and backend systems. Key contributions: • built and maintained reusable architecture across 7+ products • implemented and optimized Photon Fusion multiplayer for 200+ CCU per server • developed Unity-to-JS bridge for React web integration • integrated Firebase, Supabase, Discord API, Xsolla, MetaMask, YouTube API and Amplitude • created custom Unity Editor tools and workflow automation • worked on profiling, debugging, optimization, and cross-platform stability

Senior Unity Developer

Evensis • Freelance

Oct 2023 - Nov 2024 • 1 yr 1 mo

Worked on Explore Montfaucon, a geolocated AR mobile application built in Unity for Android and iOS. The project included interactive guided tour functionality, GPS-based progression, AR content, multilingual support, and offline-friendly content delivery. Key contributions: • implemented AR features with AR Foundation and ARCore Extensions • used Geospatial API for real-world AR content placement • integrated Mapbox for interactive map and location-based progression • built scalable UI with UI Toolkit and UI Builder • designed offline-friendly asset loading with Addressables • optimized shaders, 3D assets, and mobile performance for stable AR sessions

Unity Developer

Profitechnics Systems Ltd • Tiempo completo

Sep 2020 - Jan 2022 • 1 yr 4 mos

Worked on notAlone (formerly Chuze), a mobile choice-driven chat simulator for Android and iOS: built at Unibit LLC from Sep 2020 to Nov 2021, then continued at Profitechnics Systems Ltd after the product was acquired (Dec 2021 - Jan 2022). I helped architect and develop the product from scratch, focusing on scalable Unity architecture, realtime communication, backend-driven content delivery, monetization, and user retention systems. Key contributions: • built the technical MVP in Unity from scratch • implemented realtime storytelling and chat flow with WebSockets • designed a data-driven content pipeline for remote updates and reduced app size • integrated Firebase, OneSignal, Unity IAP, AdMob, AppLovin, and Appodeal • developed custom Unity Editor tools for narrative content workflows • improved stability, performance, live ops, and long-term maintainability • after the acquisition, refactored the core architecture and improved live ops, monetization and retention