Zero risk · Pay after delivery

Build First, Pay Later.

From a $100 bug fix to a $50K platform. Web, mobile, AI, automation — same simple process. Live preview from day one. Pay only when you're happy.

Satisfied = Paid. Not satisfied = Free.
🔒 No upfront payment
📦 Full source code
🛡️ 90-day warranty
From $100
Scroll to explore

Why This Works

Why We Can Promise "Deliver First, Pay Later"

Most freelancers take deposits and ghost you. We flip the script — if it doesn't ship, you don't pay. Period.

🔄

Daily Visibility

Staging environment from day one. You see progress daily, not a surprise weeks later.

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Fixed Price

Scope locked before work starts. No "this feature costs extra" games.

💯

Pay When Happy

Product ships, you approve, then payment. Not satisfied? We don't charge you.

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90-Day Fix

Any bug within 90 days of delivery gets fixed free. Our confidence in our code.

What We Build

Full Stack. One Person. Zero Bullshit.

No outsourcing chains. No template farms. Every line of code is mine — which means faster, cheaper, and higher quality.

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Web Applications

Custom dashboards, SaaS platforms, internal tools, e-commerce backends. Architected from scratch.

ReactNext.jsFastAPIPostgreSQL
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Mobile Apps

Native-grade Flutter for iOS + Android. Offline-first, real-time sync, push notifications.

FlutterDartFirebaseWebSocket
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AI Integration

LLM pipelines, RAG knowledge bases, intelligent chatbots, voice-to-text workflows.

LLM APIsWhisperVector DBLangChain

Automation & APIs

Cron jobs, data pipelines, multi-platform integrations, web scrapers. Machines do the work.

PythonREST APIGitHub Actionsngrok
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Video Production Tools

Automated editing pipelines, AI narration, millisecond subtitle sync. End-to-end video automation.

ffmpegTTS/VTTKen BurnsPipeline
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Something Wild?

Your idea doesn't fit a category? Perfect. The best projects break rules. If it runs on a computer, we build it.

CustomR&DPrototypeArchitecture

How It Works

3 Steps. Pay after you're happy.

Describe what you need. We build it with a live preview. You pay only if you like the result.

01

You Describe

A message, a doc, a voice note — whatever works. We ask sharp questions, give you a fixed price. No commitment needed.

02

We Build

Live preview URL from day one. Watch progress in real time. No deposit. No waiting weeks for a surprise.

03

Ship & Pay

Deployed. Source code yours. You approve — you pay. Not satisfied — free. 90-day bug fix included.

Pricing

Any size. Fixed price. Pay later.

From $100 fixes to $50,000 platforms. Same process, same guarantee.

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Quick Fix

$100 – 500
1–3 days
  • Bug fixes and small tweaks
  • Single-page landing or form
  • API hookup (email, payment, etc.)
  • Deploy to production, your domain
  • Source code + 30-day warranty
Quick Fix →
⭐ Popular

Feature Build

$500 – 5,000
1–4 weeks
  • Multi-page web app or admin panel
  • User auth + database + APIs
  • Dashboard with data visualization
  • 90-day bug fix warranty
  • Source code + deployment docs
Build Feature →
🏗️

Full Product

$5,000+
4–12 weeks
  • SaaS, marketplace, or platform
  • Mobile (Flutter iOS + Android)
  • AI/ML pipeline integration
  • Architecture design from scratch
  • Full CI/CD + monitoring setup
Build Product →

Tech Stack

Weapons of Choice

Tools we reach for when precision matters more than hype.

Flutter / DartPython 3.13FastAPIReact / Next.js PostgreSQLffmpegedge-TTSngrok GitHub PagesGitHub ActionsLLM APIsWhisper WebSocketDockerFirebaseSQLite Flutter / DartPython 3.13FastAPIReact / Next.js PostgreSQLffmpegedge-TTSngrok

Start Building

Got an Idea?

The weirder, the better. Deliver first, pay later — zero risk on your end.

✉️ renshaoqiang1@foxmail.com
💬 WhatsApp

Reply within 24h. Tell us what you need — we'll ask the sharp questions. No pressure.

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