📊 CTO Technical Report

Build Cost Analysis

Comprehensive technical assessment of development effort, team requirements, and total investment to build the Thingometer platform from scratch.

Codebase Metrics

📁

344

TypeScript Files

📝

~300K

Lines of Code

🔌

API Endpoints

🗄️

Database Tables

⚛️

116

React Components

🔄

Database Migrations

✅

Test Files

🔗

Integrations

Third-Party Integrations

Service	Purpose	Complexity
Supabase	Authentication (SSR cookies, roles)	High
Neon/PostgreSQL	Primary database via Drizzle ORM	High
Stripe	Payments, Connect, Subscriptions, Webhooks	Very High
AWS S3	File uploads (photos, PDFs, branding)	Medium
n8n	Email automation workflows	Medium
Resend	Fallback email delivery	Low
OpenAI	AI-powered description rewriting	Low
Google Maps	Location/mapping for stand assignments	Medium

Team Requirements

Minimum team composition to build this system from scratch

Core Development Team

Technical Lead / Architect

Senior (8+ yrs)

1.0 FTE

Senior Full-Stack Engineer

Senior (5-8 yrs)

1.0 FTE

Full-Stack Engineer

Mid (3-5 yrs)

2.0 FTE

Frontend Engineer

Mid (3-5 yrs)

1.0 FTE

Specialized & Support Roles

DevOps/Platform Engineer

Mid-Senior

0.5 FTE

QA Engineer / SDET

Mid

0.5 FTE

Database Engineer

Mid-Senior

0.25 FTE

Product Manager

Part-time

0.5 FTE

UX Designer

Part-time

0.25 FTE

Security Consultant

Fractional

0.1 FTE

Total Team Size Required: 7.1 FTE

Development Phases & Hours

Phase	Hours	Key Activities
Planning & Design	320	Requirements, architecture, database schema, API design, UI/UX
Core Infrastructure	280	Next.js setup, auth, multi-tenant middleware, CI/CD, S3
Payment System	240	Stripe Connect, checkout, webhooks, subscriptions, audit
Core Features	880	SuperAdmin, City Admin, Coordinator, Judge, Public modules
Branding & Theming	120	City/event branding, theme presets, dynamic CSS
Email & Communications	80	n8n integration, Resend fallback, templates, cron
Testing	320	Unit tests, API tests, E2E (Playwright), UAT, performance
Documentation & Polish	120	API docs, user guides, code cleanup, optimization
Deployment & Launch	80	Production setup, DNS, security hardening, monitoring
Subtotal	2,440
Contingency (20%)	488	Risk buffer for unknowns and scope changes
TOTAL WITH CONTINGENCY	2,928 hrs

Cost Estimation

US-Based Team

$535K – $643K

Fully US-based development team with senior leadership

Recommended

Blended Team

$357K – $428K

US leads with nearshore/offshore engineers

Offshore Team

$188K – $226K

Fully offshore team with experienced leads

Annual Infrastructure Costs

Vercel Pro$2.4K – $6K

Supabase Pro$3K – $6K

Neon Database$2.4K – $6K

AWS S3$1.2K – $3.6K

Email Services$1.2K – $2.4K

Monitoring$1.2K – $3.6K

Total Annual Infrastructure: $12K – $30K/year

Executive Summary

Development Hours

2,440 – 2,928

Minimum Team Size

7.1 FTE

Timeline (Standard)

6 – 8 months

Complexity Rating

High

Key Risk Factors

Stripe Connect integration — complex multi-party payment flows
Multi-tenant authentication — multiple auth channels
Offline/sync support — judge scoring with unreliable connectivity
Multi-tenant routing — subdomain + path-based resolution