Poland, Warsaw
Dododo
High-performance HealthTech SaaS application for child development launched in 10 weeks, featuring automated assessments and a multi-currency paywall.
- Next.js
- Supabase
- PostgreSQL
- TypeScript
- Stripe
- Payload
- CMS Clerk
- SaaS
- HealthTech
- Early Childhood Development
- Web Application
10
weeks — Launch timeframe
3
markets — Localized payment infrastructure
CLIENT CHALLENGES
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Absence of production-ready architecture. Conceptual logic and screening questionnaires existed only as unverified AI scripts without a secure database, integrated infrastructure, or multi-user stability.
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Paywall bounce rate risk. Forcing upfront authorization before demonstrating core product value created high friction, making a seamless, unauthenticated trial flow essential to drive conversions.
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Cross-border payment barriers. The absence of a multi-currency billing pipeline blocked concurrent expansion into the United States, United Kingdom, and European markets with dynamic local pricing.
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Infrastructure load vulnerability. Manually computing screening scores, generating complex analytical reports, and rendering user-facing documents created an immediate operational barrier to scale.
OUR SOLUTION
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Serverless Architecture & Secure Data Layer
- We migrated the raw application logic into a robust, unified SaaS infrastructure built on Next.js and Supabase. To ensure maximum data isolation and regulatory compliance without the overhead of a dedicated backend server, we enforced Row Level Security (RLS) policies directly within the managed PostgreSQL database.
- User accounts, profiles, and assessment steps are synchronized instantly from Clerk to Supabase using custom secure webhooks managed through Svix.
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Unauthenticated Guest Flow & Dynamic Data Migration
- To maximize marketing funnel conversion, we built an interactive guest onboarding flow using React and Tailwind CSS.
- Prospective clients complete child development screening assessments and view interactive sensory radar charts built with Recharts before registering.
- Upon creating an account, a secure data migration pipeline automatically transfers all session-based answers into the permanent Supabase production table without overwriting pre-existing profiles.
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Geolocation-Routed Multi-Currency Paywall
- We engineered a multi-market billing framework integrated directly with Stripe Checkout and billing cycles. The application detects the user’s exact geographic location on the edge using the x-vercel-ip-country header, dynamically serving localized pricing tiers for the US, UK, and European zones.
- Premium content gating logic hides or reveals restricted text modules, child activity plans, and advanced clinical breakdowns dynamically based on payment webhooks.
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Automated Scoring Engine & PDF Generation
- We developed a proprietary calculation engine within Next.js Server Actions to process screening raw points and map them against age-specific milestones. To avoid server memory spikes, we deployed a serverless-friendly PDF pipeline using Puppeteer and Chromium. The system instantly generates two distinct downloadable blueprints from the application dashboard: a detailed, metric-heavy document for professional occupational therapists and a practical handbook for parents.
SCALABILITY
The application’s foundational architecture on Supabase and PostgreSQL delivers unrestricted business growth without core infrastructure modifications. New corporate accounts, clinical facilities, and custom staff roles are introduced instantly by updating metadata fields and row-level security parameters. The system accommodates unlimited child activity structures, localized marketing regions, and automated marketing integrations, allowing the business to enter new markets or expand features seamlessly.
RESULTS
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Production launch in 5 sprints. The complete cross-border SaaS architecture transitioned from conceptual scripts to a live, commercial application within 10 weeks.
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Functional POC delivered in 1 sprint. Core validation began immediately, providing the client with an operational Proof of Concept after the first development cycle.
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Zero server infrastructure overhead. Implementing Next.js Server Actions and API Routes completely eliminated the costs and maintenance required for a standalone backend server.
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Total marketing funnel ownership. Automated customer events and data state triggers synchronize with Loops, allowing real-time tracking of registration drop-offs and targeted email recovery campaigns.
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Turnkey business monetization. The platform independently processes multi-market subscriptions, gates premium educational modules, and serves personalized plans without manual intervention.
Tech stack
Timeline and Team
10 weeks
total
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In-house team5 people1 tech lead, 1 senior developer, 1 middle developer, 1 PM, 1 QA
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