My own products, a long-running client relationship, and a decade of project work — marketplaces, web3, healthtech and b2b. Client studies are anonymised: names changed, screens redrawn, metrics real.
Polish EdTech marketplace — parents find & book kids' after-school classes (sport, languages, music, tutoring) by location. Two-sided platform with map search and free listings for providers.
AI ad-auditor — scores creatives 1–10, flags what's killing them, predicts the A/B winner, drafts briefs from a product photo and tears down competitors' ads (“Stakeout”). For dropshippers, brands & agencies.
Free Shopify tool for the AI-shopping era — an AI Readiness Score (0–100), a 14-point catalogue audit and one-click AI rewrites applied straight to Shopify, so ChatGPT & Google's AI recommend your products.
Nine-plus big projects since '21 — .NET & Python, JavaScript, across AWS, GCP and Azure. Whatever the project needed; any language, honestly. A collaboration, not employment.
Booking flow rebuilt end-to-end — checkout drop-off from 58% → 19%. Six abandonment points found via session replay + interviews; rebuilt as a 3-step progressive form with saved state and trust signals.
Next.js 14 · TypeScript · Postgres · Stripe
Wallet UX + portfolio view shipped before the audit; 11k MAU by launch week. Multi-chain read layer with graceful degradation; signing flows that don't need a PhD. Passed audit with zero UX findings.
React · viem · wagmi · Subgraph · Go
Triage questionnaire that replaced 3 call-center agents per shift. Branching logic compiled from clinician YAML; accessibility-first for patients over 70. Integrated with the EMR, deployed to 4 locations.
Django · HTMX · Postgres · HL7 FHIR
Barcode-scan reorder turned a 12-minute task into 40 seconds on mobile. Offline-first PWA; one-handed scanning; smart quantity defaults from purchase history. Rolled out to 200+ retail customers.
React Native Web · IndexedDB · .NET Core · SQL Server