Senior MERN + Supabase Consultant for HealthTech / MedTech E-commerce SaaS

We've built a working proof of concept for a HealthTech / MedTech + E-commerce SaaS platform and are ready to take it to the next stage. Before we scale up development, we're looking for an experienced full-stack consultant to review what we've built, validate our technical direction, and advise on the best path forward. This is a short, focused engagement, a few hours to start, with potential for ongoing collaboration if it's a good fit. What we need help with Reviewing our existing MERN + Supabase proof of concept (code, architecture, and setup) Identifying gaps, risks, and technical debt before we scale Advising on architecture, scalability, and best practices for a production-ready SaaS Recommendations on tech stack decisions, database structure, API design, and deployment Guidance on a realistic roadmap and priorities for the next development phase Answering our technical questions and helping us make informed decisions Requirements 8+ years of professional full-stack development experience Strong expertise in the MERN stack (MongoDB, Express, React, Node.js) Hands-on experience with Supabase Proven experience building and scaling SaaS products from POC to production Solid understanding of software architecture, security, and best practices Ability to explain technical concepts clearly to both technical and non-technical stakeholders Available for a short consulting call/session with quick turnaround Nice to have Experience in HealthTech / MedTech or E-commerce platforms Familiarity with compliance and data privacy (e.g. HIPAA, GDPR) Experience with cloud platforms (AWS / GCP / Azure) Familiarity with CI/CD, Docker, and modern DevOps workflows Background in multi-tenant SaaS architecture Experience with authentication, billing/subscriptions (e.g. Stripe), and API integrations Engagement details Type: Consulting / advisory Duration: A few hours to start (hourly), with potential for more Start: Immediately To apply Please share: A brief note on your relevant SaaS/MERN experience 1-2 examples of similar projects you've advised on or built Your hourly rate and availability We're looking to move quickly, so prompt responses are appreciated. Keywords / Skills tags MERN Stack · Supabase · Full Stack Developer · Node.js · React · MongoDB · Express.js · SaaS · SaaS Architecture · HealthTech · MedTech · E-commerce · Web Application · JavaScript · TypeScript · REST API · System Architecture · Software Consulting · Technical Consultant · Code Review · Scalability · Cloud Architecture · AWS · Startup · MVP · Proof of Concept · Product Roadmap · HIPAA · Backend Development · Frontend Development