David Johansson — iOS, Web & AI Engineer

iOS · Web · AI Systems

DAVID

JOHANSSON

iOS, web, and AI systems shipped end-to-end. Live in the App Store. Live for real clients.

Swift SwiftUI Python Next.js Supabase OpenAI Whisper FFmpeg Docker Hetzner

Now · --:-- Stockholm · shipping Hanna v2

0K

Swift LOC

0

Services

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Scraper Stages

App Store ↗

Live in Production

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Selected Work

04 Projects · 2024–26

01 — Flagship · iOS

RecipeBud

Your pocket sous-chef. From any URL to your kitchen — in seconds.

Live on App Store · Made in Stockholm ↗

Universal Recipe Importer7-stage

Hanna — AI Voice CookingWebSockets

Smart Shopping ListsLive

Meal PlannerLive

Cook Mode — Hands-freeHaptics

Bilingual · SV / ENOn-device

Download on theApp Store

02 — Backend

7-Stage
Scraper

Paste any URL — website, YouTube, Instagram, TikTok. Each stage tries to extract a structured recipe. If one fails, the next kicks in. Proxy rotation, circuit breakers, and a failed-URL cache keep it alive at 99% success across 5K+ extractions.

01JSON-LDStructured Data

02Meta TagsOG / schema.org

03Direct ScrapeHTML Parser

04Browser RenderPlaywright

05Vision AIGPT-4V

06Text AIGPT-4

07FallbackManual Extract

Hover a stage Each stage handles a different content shape — the pipeline auto-routes to whichever extracts cleanly.

Self-hosted · Python 3.10+ · FastAPI Docker · Hetzner · Dokploy

03 — AI Feature

Hanna —
Voice AI

Tap, speak, and Hanna guides you through the recipe step-by-step. Voice streams live over WebSocket — responses start before the sentence ends.

What's the next step?

Add the pasta to boiling water and cook 8–10 min until al dente. Reserve ½ cup pasta water before draining…

WebSocket · OpenAI Streaming Demo paused · API cost

04 — Client Work

Production websites for real clients Next.js · Vercel · 2024

LD

Live

Luxury Decor · Stockholm

LD Luxury

Next.js Framer Motion Vercel

Visit site ↗

KB

Live

Construction · Västerås

Komplett Bygg

Next.js Vercel SEO AEO Local Search

Visit site ↗

Get in touch

Let's build
something.

Based in Stockholm · Open to remote & on-site

djohansson1515@gmail.com ↗ GitHub ↗ LinkedIn ↗

iOS · Web · AI · Stockholm, Sweden