🇵🇱 → 🇬🇧 London
Full-Stack Product Engineer
Founder of EZinvoices

Building production SaaS systems with Next.js & Stripe.
Focused on architecture, performance, and long-term maintainability.

• 🧾 Building EZinvoices - subscription invoicing SaaS
• 🔁 Rebuilding projects with stronger TypeScript architecture
• 🏗 Designing scalable UI systems & billing flows
• 📦 Shipping production-ready client systems

Subscription-based invoicing SaaS with onboarding, authentication, subscription logic, production billing, and content-driven growth.

Stack: Next.js · Supabase · Stripe · Resend · MDX · Authentication

Full rebuild from desktop-only prototype to responsive, typed architecture. Focused on layout systems, maintainable UI structure, and interactive 3D scene integration.

Stack: Next.js · TypeScript · SCSS · Three.js · React Three Fiber · Drei · GLSL

Live restaurant systems maintained for 3+ years. Responsible for hosting, deployments, backend integrations, and long-term performance stability.

Stack: Next.js · Supabase · Resend · Vercel

Internal outreach and pipeline management system supporting real business operations, follow-ups, and MRR tracking.

Stack: Next.js · Supabase · Authentication

• System Design
• Production SaaS Architecture
• Subscription & Billing Flows
• UI Performance & Responsiveness
• Long-Term Maintainability

Shipping real systems. Maintaining production. Building revenue-generating products.