My Work
A collection of projects spanning AI/fitness platforms, healthcare systems, marketplaces, and enterprise solutions. From zero to 250k MAU — building software that scales and delivers real business value.
Synergym.AI
🇮🇱Scaled AI-powered fitness platform from zero to 250k MAU with 99.9% uptime. Built 3 React Native apps with TypeScript and a Node.js backend with Express. Optimized API performance for 1M+ daily requests using serverless AWS infrastructure.
Impact & Metrics
0 → 250k MAU • 99.9% uptime • 40% faster API response time
Tech Stack
RxWare
🇺🇸HIPAA-compliant platform connecting pharma brands with rare disease patients. Built React dashboards with Zustand for state management and Node.js microservices with Fastify. Contributed to $6M seed funding.
Impact & Metrics
40% feature discoverability • 70% faster partner onboarding • 90% test coverage • $6M funding
Tech Stack
Fresh-Dev Projects
🇳🇱Software Architect for multiple client projects. Designed scalable React and Node.js stacks with Next.js, integrated Stripe and HubSpot APIs, and mentored 5 junior developers, improving team velocity by 20%.
Impact & Metrics
20% team velocity increase • 5 successful client deliveries • 15% payment conversion increase
Tech Stack
Skin-Surgery.nl
🇳🇱Patient portal for the Netherlands' largest skin surgery provider. Built high-performance React frontend with Vite and Tailwind CSS, featuring GDPR-compliant JWT authentication and smooth GSAP animations.
Impact & Metrics
GDPR compliant • 150ms average UI load time • Secure data for 10k+ users
Tech Stack
Mijn.gymwijzer.nl
🇳🇱Student-focused gym class management system for Dutch schools. Built real-time React frontend with WebSocket integration and Node.js backend with REST APIs for 50+ educational institutions.
Impact & Metrics
Real-time scheduling for 50+ schools • 99.8% uptime • Secure access for 5k+ students
Tech Stack
Ofroje.com
🇦🇱Premier local services marketplace, built from scratch, connecting users with verified service providers. Developed full-stack with Next.js, Node.js, and Elasticsearch-powered search, optimized for mobile-first performance.
Impact & Metrics
100/100 Google Lighthouse score • 50ms search response time • 35% increase in user engagement
Tech Stack
Katrori Business Solutions
🇷🇸Developed a modern web-based ERP platform for small and medium-sized businesses, streamlining operations for 20+ clients. Built responsive React frontends with TypeScript and integrated Node.js APIs with PostgreSQL, improving data processing efficiency by 30%. Implemented real-time analytics dashboards, boosting client decision-making speed by 25%.
Impact & Metrics
30% faster data processing • 25% improved decision-making speed • Supported 20+ SMB clients
Tech Stack
Ready to Scale Your Next Project?
I specialize in taking startups from zero to millions of users. Whether you need to build from scratch or scale existing systems — let's create something that delivers real business value.
Let's Talk