Wellsi – physiotherapy programs and specialists, online 24/7.
A comprehensive SaaS platform connecting users with physiotherapy specialists – secure video streaming, subscription access and personalized health paths. Designed and built end-to-end by GTS7.

The challenge
The client needed a secure, high-quality platform for physiotherapy training videos – connecting users with certified specialists, with protected streaming, subscription access, progress tracking and content management. It had to be fast, production-ready and scalable, without compromising quality.
C/01
No existing platform – built from zero
C/02
Secure HLS video streaming
C/03
Advanced subscriptions & billing
C/04
User–specialist matching
C/05
Health path & progress tracking
C/06
Fast delivery timeline
The solution
A complete SaaS platform built with Next.js, Node.js, Strapi, PostgreSQL and AWS – secure HLS/DASH video delivery, real-time chat, user-specialist matching, analytics and a full admin panel. Deployed on a scalable AWS + Vercel + Docker infrastructure, running with zero downtime since launch.
/streaming
Secure HLS/DASH streaming
Protected content delivery with signed URLs.
/billing
Subscription management
Monthly, quarterly and yearly plans.
/security
Private video & API access
CloudFront with signed URLs.
/chat
Real-time chat
Instant communication with specialists.
/tracking
Progress & health paths
Personalized journey monitoring.
/admin
Custom admin dashboard
Full content management system.
/integrations
Third-party integrations
Marketing tools, payment gateways, analytics.
/cicd
Automated CI/CD
Performance-optimized deployment.
/infra
AWS infrastructure
S3, CloudFront, IAM, Vercel, Docker.
Architecture overview
FRONTEND
Next.js (SSR/ISR), React, TypeScript
BACKEND
Node.js (Koa), Strapi CMS
DATABASE
PostgreSQL
VIDEO PROCESSING
FFmpeg + HLS/DASH
PAYMENTS
Stripe (Checkout + Billing)
DEPLOY
Vercel + AWS + Docker CI/CD
Key results
0%
Downtime
Since launch, thanks to stable AWS/Vercel infrastructure.
100%
Secure streaming
Protected HLS video delivery with signed URLs.
Stable
Billing system
Automated payments, subscriptions and renewals.
Screens & UI

Mobile experience
Optimized for on-the-go access

Desktop platform
Full-featured workspace
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