Full-Stack Engineer · SaaS · Node.js / React / TypeScript
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Full-Stack Engineer · SaaS · Node.js / React / TypeScript
AI-powered language flashcard app for iOS. Users describe any theme ("Coffee and tea", "Driving exam") and the app instantly generates a custom deck via Google Gemini. Features a progressive 3-level vocabulary system (beginner → intermediate → advanced) with mastery-based unlocking, SM-2/FSRS spaced repetition with Again/Hard/Good/Easy ratings, offline-first SQLite storage, bilingual audio examples, smart daily reminders, and a freemium model (RevenueCat) gating unlimited decks and advanced levels.
Built with React Native (Expo), TypeScript, SQLite, Supabase, Google Gemini, RevenueCat.
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Pay-per-use video testimonial SaaS. Businesses collect text reviews for free and pay per video testimonial via a credit system — no subscriptions. Features include browser-based video recording, embeddable widget with masonry layout, Stripe payments, credit metering via Cloudflare Stream analytics, signed video URLs for hotlink protection, and a dashboard for approving/rejecting submissions. Built with Next.js, Supabase (PostgreSQL), Cloudflare Stream, Stripe.
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Shopify app for EU Digital Product Passport (DPP) compliance. Merchants can create and manage product passports with QR codes, print labels, bulk edit via CSV, and use AI to auto-fill passport fields from existing product data. Built with Remix, React, Node.js, Prisma, and Shopify GraphQL API.
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Built and owned the entire technical stack for a US e-commerce platform generating $1M/mo revenue. Developed custom Next.js storefront, checkout, and CMS admin panel from scratch. Integrated Stripe, Braintree, PayPal, Apple Pay, and Google Pay. Implemented fraud protection, automated chargeback handling via Visa CDRN, server-side tracking (FB CAPI, Google Ads), and BigQuery analytics pipeline.
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Let's Boost Your Product
Let's Boost Your Product
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CTO & CPO | Technical Leadership, Digital Product
CTO & CPO | Technical Leadership, Digital Product
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Product Full-Cycle Developer with Entrepreneurial Mindset
Product Full-Cycle Developer with Entrepreneurial Mindset
Full Stack Engineer. Building mobile app prototypes.
A glimpse into my most recently published app for an investment client I had the luck to work with
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What a joy to work on Do It Myself. It is one of my most recent prototypes I created to keep personal projects tidy. Designed in Figma, coded in React Native.
I wrote about the process of creating it here: https://antropia.studio/blog/80-hour-app/
#shareyourwork
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Mobile & SaaS Developer
Mobile & SaaS Developer
Mobile and web engineer working with React-Native and native
Mobile and web engineer working with React-Native and native
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