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Simon D.
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Simon D.

Senior Full-Stack Developer | Next.js, SaaS & AI Automation

I build web apps, SaaS products and AI automations that actually ship - and I take over projects other developers left half-finished. Senior full-stack developer from Austria (alloq.digital), working with founders and businesses across Europe. Recent work: • A voice-AI phone app for kids - real-time conversations with an AI character, built from prototype to App Store release • An all-in-one SaaS for Swiss trade businesses: offers, Swiss QR invoicing, banking and an offline-first mobile app for field workers • A fully automated video pipeline (n8n + AWS Lambda) that rendered thousands of personalized videos at ~$0.05 each - zero manual steps between customer order and finished video • Hotel websites and direct-booking systems with Vioma, Seekda and IBE integrations What I build: • React / Next.js / TypeScript web applications - fast, SEO-optimized, built to scale • SaaS MVPs with clean architecture you won't need to rewrite in 6 months • Mobile apps with React Native and Expo • AI automation workflows (n8n, LLM APIs) that eliminate repetitive processes • Rescue projects: stalled builds, broken code, missed deadlines — I step in and ship How I work: • Proactive updates in your timezone - you'll never have to chase me • Scope changes get discussed before they cost money, not invoiced as surprises • Tech chosen for your goals, not my resume: Next.js, Node, Supabase, Stripe, AWS If your project is stuck - or you want it built right the first time - send me your scope and timeline, and I'll tell you honestly what it takes.

🇦🇹Imst, Austria$105/hr100% JSS5.00 (1)Since Dec 2020

Earnings and projects

MRR
$199

Last 6 months ÷ 6

World#113,495 / 412k
🇦🇹Country#113 / 545
Revenue, last 30 days
$0

Last 6 months: $1.2k

Total earnings
$6.6k

Billed in all: $6.7k

World#230,883 / 412k
🇦🇹Country#275 / 545
Per project
$2.2k

$1.2k in the last 6 months

World#71,469 / 412k
🇦🇹Country#73 / 545
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇦🇹Country#136 / 545
Projects in all
3
33% fixed67% hourly
World#304,140 / 412k
🇦🇹Country#418 / 545

Earnings, last 30 days

$6.7kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6.6k$6.7k$6.8k$6.9kOct 8Oct 23Nov 7

Skill rankings: Top 18% in FFmpeg

Ranked by MRR among everyone on Upwork with the skill.

  1. #7EDIFACT24 freelancers · 🇦🇹 #1Top 29%
  2. #38FFmpeg217 freelancers · 🇦🇹 #1Top 18%
  3. #597AWS Lambda2,947 freelancers · 🇦🇹 #1Top 20%
  4. #770MERN Stack3,086 freelancers · 🇦🇹 #1Top 25%
  5. #1,710Supabase4,116 freelancers · 🇦🇹 #1Top 42%
  6. #2,057SaaS Development5,201 freelancers · 🇦🇹 #2Top 40%
  7. #2,061Docker8,761 freelancers · 🇦🇹 #5Top 24%
  8. #2,259SaaS6,440 freelancers · 🇦🇹 #1Top 35%