Eleven years turning mobile & web product ideas into measurable results — from junior front-end developer to owning critical flows end to end. Tap any role to expand the details.
AI product development. Led the frontend technical design for a shipped AI-powered feature — built the initial PoC to validate feasibility, then iteratively refined and optimized AI prompts to improve result quality.
AI champion. Drive internal adoption of AI across the team — championing AI-assisted coding tools, establishing new workflows, and sharing prompting best practices to lift engineering velocity and code quality.
Product growth & reliability. Implemented core features that drove a 5–12% subscription conversion uplift in A/B tests, while using analytics and AI tools to investigate and resolve critical production issues impacting tens of thousands of users.
Core gamification & real-time. Built the core gaming engine with sophisticated animations and sound effects, plus a real-time WebSocket-based trivia game to drive daily user engagement.
Fintech integration & personalization. Engineered secure systems for linking real bank accounts to automate deposits, and created an interactive avatar constructor for user personalization.
Stability & App Store success. Spearheaded the frontend architecture for smooth releases — achieving a 4.3-star App Store rating and a 99.7% crash-free session rate across the user base.
Built a smooth mobile interface from scratch using React Native.
Blockchain functionality. Incorporated Ethers.js for robust blockchain integration and wallet management.
Secure transactions. Implemented camera-based QR code scanning and high-level security with advanced cryptography (seed phrases, key chains).
playSports (Tennisfarm GmbH). Engineered a comprehensive sports-facility booking system — React Native, Redux, Google Maps location services and Stripe payments.
GVAX TV. Built Europe’s leading Latin-American live-TV streaming service across phones, tablets and TVs — React/Redux, webOS smart-TV integration and HLS delivery.
Team leadership. Led frontend engineers, designed high-performance booking systems, and drove engaging interface designs and animations.
Wuuff.dog. Enhanced a purebred-puppy breeding platform with React SSR for performance and scalability, plus multi-language and multi-currency support.
Statzup. Contributed to white-label, cross-platform apps — Cordova + React, Redux state management and SCSS for flexible custom styling.
GamerPro. Enhanced an e-sports real-money competition app — React Native + Redux, fluid UX and dynamic engagement animations.
Footy App. Optimized a virtual football trading-card app — performance tuning, UI refinements and new features.
Battlejungle. Developed the website layout for a gamified team-building platform and prepared it for service integration.
Azinec Landing. Implemented a complex company landing page featuring SVG animations and fully responsive design.
INEED.NEWS. Built a cross-platform CordovaJS + React RSS aggregator with server integration — parsing and merging sources into one customizable feed.