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kayabasi
kayabasi

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How We Build a Full Custom Web App in 8 Weeks

One of the most common questions we get at Adeocode is: "How long does it actually take to build a custom web app?"

Our answer: 8 weeks — and we've refined this process across hundreds of projects since 2017.

Here's exactly how we structure it.

Week 1–2: Discovery & Architecture

Before writing a single line of code, we align on goals, user flows, and technical requirements. We map out the database schema, define the tech stack, and produce a clickable prototype. This phase prevents the most common cause of blown timelines: scope creep from unclear requirements.

Stack we typically use:

  • Frontend: React or Next.js
  • Backend: Node.js or Python (FastAPI)
  • Database: PostgreSQL
  • Hosting: AWS or Vercel

Week 3–4: Core Build

With architecture locked in, we sprint through the core features. By end of Week 4, clients have a working prototype they can actually click through — not a static mockup, but a real, deployed application.

Week 5–6: Feature Completion & Integrations

This is where the polish happens. Third-party integrations (Stripe, Auth0, SendGrid, AI APIs), admin dashboards, and secondary features get built out. We also begin internal QA.

Week 7: QA & Performance

Every endpoint gets tested. We run Lighthouse audits, fix accessibility issues, and optimize database queries. Nothing ships slow.

Week 8: Launch & Handoff

We handle DNS configuration, SSL, monitoring setup (Datadog or Sentry), and deploy to production. We hand off full documentation and source code.


Why This Works

The 8-week constraint forces prioritization. Most failed software projects don't fail from lack of features — they fail from too many features built in the wrong order.

By shipping a production-ready MVP in Week 8, clients can validate with real users before investing in a V2.

If you're evaluating custom web design and software development for your business, feel free to reach out — we're based in Chicago and work with clients across the US.

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