Denis C.

Hi, I’m Denis - Full-Stack Developer specializing in mobile apps, mobile games (Unity 2D/3D), and end-to-end product development (frontend + backend + mobile). 🔥 𝐅𝐫𝐞𝐞 𝐑𝐨𝐚𝐝𝐦𝐚𝐩 & 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 I offer a free roadmap for your mobile app, mobile game, or full-stack product, outlining architecture, tech stack, and key development steps. Also available: a free consultation call to discuss your idea and define the best approach. How I can help (Full-Stack + Mobile Apps + Mobile Games): Mobile Game Development (Unity 2D / Unity 3D | iOS / Android) • Full-cycle development (prototype → production → LiveOps) • Unity 2D / Unity 3D gameplay programming (C#) • Progression systems, retention mechanics, game economy basics • Performance optimization (FPS, memory, GC) • Cross-platform builds (iOS, Android, WebGL) • Monetization: Ads (AppLovin MAX, Google Ads), IAP, subscriptions • Analytics & attribution (Firebase, Adjust) Mobile App Development (React Native) • Cross-platform apps (React Native / Expo) • Offline-first architecture, sync systems • Push notifications, deep linking, background tasks • Performance optimization (startup time, rendering, memory) • In-app purchases, subscriptions, paywalls • Release pipelines (App Store / Google Play) Full Stack Web Development (Next.js, React, Node.js): • Full-stack (frontend + backend) development • Next.js / React, Node.js / NestJS • REST / GraphQL, WebSockets • PostgreSQL, Redis • Auth, dashboards, admin panels • Performance, SSR/SSG, scalable architecture Our Projects & Results: 💥 KFC Fake Games – Global Campaign → Delivered 4 mobile games in 2 months (iOS & Android) → Full-cycle development + optimization + release 💥 Renovation Empire – Mobile Game → Built scalable gameplay systems & retention mechanics → Performance-optimized architecture 💥 GIBBON Training App → Gamified mobile app with real-world use → Stable, scalable product architecture Why clients hire me: • I build full-stack products, not отдельные куски • I combine Unity (2D/3D) + React Native + Backend in one system • I think about scale, performance, and monetization from day one • Clean, maintainable, production-ready architecture • Clear communication, fast execution, no chaos Tech Stack Summary: Game Dev: Unity 2D, Unity 3D, C#, Addressables, UniTask, VContainer, R3 Mobile Apps: React Native, Expo Frontend: React, Next.js Backend: Node.js, NestJS, REST, GraphQL, WebSockets Data: PostgreSQL, MongoDB, Redis Monetization & Analytics: Firebase, Adjust, AppLovin MAX, Google Ads Architecture: SOLID, Clean Architecture, event-driven systems Keywords: Full stack development, mobile app development, mobile game development, Unity 2D, Unity 3D, React Native, Next.js, React, Node.js, NestJS, REST API, GraphQL, WebSockets, Clean Architecture, SOLID, scalable architecture, Firebase, Adjust, monetization, in-app purchases, subscriptions, real-time systems