Building an MVP with Next.js in 30 Days: My Process as a Freelance Developer

Omar Hernandez Rey — Sun, 17 May 2026 18:34:59 +0000

Over the past 5 years, I've built 30+ MVPs for startups using Next.js. Some succeeded, some failed, but the process has been refined to a science. In this article, I'm sharing the exact 30-day framework I use to take a startup idea from concept to launched MVP.

The 30-day MVP framework

Week 1: Discovery & Foundation (Days 1-7)

Day 1-2: Deep dive discovery

Before writing a single line of code, I need to understand:

Who is the target user?
What pain point does this solve?
What is the core value proposition?
What are the must-have features vs nice-to-have?
What does success look like in 3 months?

Deliverable: Technical specification document (2-3 pages)

Day 3-4: Architecture decisions

Choose the tech stack based on project needs:

Next.js 15 (App Router): For SEO, performance, and full-stack capabilities
TypeScript: Non-negotiable for maintainability
Supabase: PostgreSQL + Auth + Real-time (replaces Firebase)
Tailwind CSS: Rapid UI development
Vercel: Hosting + CI/CD + Analytics
Stripe: Payments (if needed)

Deliverable: Architecture diagram + tech stack document

Day 5-7: Database schema & API design

Design the data model before touching UI:

User entities and relationships
Core business entities
API endpoints needed
Authentication flows

Deliverable: Database schema + API specification

Week 2: Design & Core Development (Days 8-14)

Day 8-10: UI/UX Design in Figma

Not pixel-perfect, but good enough:

Landing page design
Core user flows (auth, dashboard, main feature)
Mobile responsive versions
Component library setup

Day 11-14: Core feature development

Build the "hero feature" first:

Authentication (Supabase Auth)
Database setup and migrations
Core API endpoints
Main user flow implementation

Week 3: Feature completion & Testing (Days 15-21)

Day 15-17: Secondary features — Add supporting functionality

Day 18-19: Integration & polish — Connect everything (payments, APIs, file uploads)

Day 20-21: Internal testing — Manual testing, mobile responsiveness, performance optimization

Week 4: Launch preparation & Deployment (Days 22-30)

Day 22-24: User acceptance testing

Day 25-27: Production deployment (environment setup, domain, SSL, monitoring)

Day 28-29: Documentation & handoff (README, API docs, Loom walkthrough)

Day 30: Launch — Deploy to production, smoke tests, post-launch monitoring

Pricing for 30-day MVPs

Standard MVP (20-25 days): $5,000 - $8,000 USD
Complex MVP (30-35 days): $8,000 - $15,000 USD

Have an MVP idea? Let's talk. I offer a free 15-minute consultation.

→ Book a free consultation
→ Get an instant budget estimate

This article was originally published on omarhernandezrey.com