You will get Build a Full-Stack Web App with Auth, Database, and Admin Dashboard
Rising Talent
Rising Talent
Project details
You’ll get a secure full-stack web app with authentication, database, and admin dashboard built using React, Node.js, and Supabase — clean, scalable, and fully deployed for production use.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance OptimizationWhat's included
| Service Tiers |
Starter
$400
|
Standard
$700
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 13 days |
Number of Revisions | 2 | 3 | 4 |
Number of Pages | 3 | 5 | 8 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$100 - $200Frequently asked questions
1 review
(1)
(0)
(0)
(0)
(0)
This project doesn't have any reviews.
TJ
Thedford J.
Apr 22, 2026
SQL Server to Supabase Postgres Migration Expert Needed
Working with Jeffrey was a fantastic experience from start to finish. He delivered high-quality work on time and demonstrated a strong understanding of the project requirements from day one. His communication was prompt and clear throughout the entire engagement — he kept me updated on progress and was quick to incorporate feedback without any friction.
Jeffrey is professional, detail-oriented, and genuinely invested in delivering great results. He went above and beyond what was asked and brought valuable suggestions to the table that improved the final outcome. I wouldn't hesitate to hire him again for future projects and highly recommend him to anyone looking for a reliable, skilled freelancer.
Jeffrey is professional, detail-oriented, and genuinely invested in delivering great results. He went above and beyond what was asked and brought valuable suggestions to the table that improved the final outcome. I wouldn't hesitate to hire him again for future projects and highly recommend him to anyone looking for a reliable, skilled freelancer.
About Jeffrey James
Supabase Expert | Data Migration & Fix | PostgreSQL | AI Healthcare
Lekki, Nigeria - 7:45 am local time
I design and run secure, scalable backend systems for real-world data pipelines, including healthcare EDI (837 → 835), Supabase architectures, and production systems where accuracy, reliability, and data protection are non-negotiable.
I also build and stabilize AI-powered systems, integrating LLM APIs (OpenAI, Claude) into backend workflows where structured data, validation, and consistency matter — not just prototypes, but production-ready systems.
I’ve migrated 50+ standalone databases into a unified PostgreSQL system with zero data loss, handling messy schemas, inconsistent data, and edge cases that typically break systems after deployment.
I currently work in a healthtech environment building and maintaining revenue-critical pipelines, including systems that handle protected health information (PHI) in HIPAA-aware environments. This includes AI-assisted revenue cycle management (RCM) workflows, where structured healthcare data (EDI 837/835) is combined with LLM-driven processing while maintaining strict data integrity and auditability.
⸻
What I specialize in:
* Supabase systems — schema design, RLS, auth, performance, debugging
* Database migration — SQLite, MySQL, legacy systems to PostgreSQL
* Healthcare data pipelines — EDI 837/835 workflows, claims and remittance processing
* Backend stabilization — fixing inconsistent or failing systems
* API integrations and ETL pipelines — ingestion, transformation, validation
* AI systems — LLM integrations, structured outputs, and production-ready workflows
* AI-built apps — fixing, stabilizing, and taking them to production
⸻
Recent work includes:
* Migrated 50+ databases into a unified PostgreSQL system (zero data loss)
* Built and stabilized Supabase-backed systems with scalable architecture
* Designed and maintained healthcare data pipelines (EDI 837 → 835)
* Implemented secure ingestion pipelines (API + validation layers)
* Built AI-assisted RCM workflows combining claims (837) and remittance (835) data with LLM processing
* Implemented validation layers to ensure AI outputs are structured, consistent, and safe for production use
* Fixed and optimized AI-generated applications for production
⸻
I work with sensitive healthcare data where accuracy, security, and reliability are critical, and systems must be designed to handle real-world complexity without failure.
If your Supabase project is breaking, your data needs to be migrated safely, or you’re building an AI-powered system that needs to work reliably in production — I can help you get it stable and production-ready.
Steps for completing your project
After purchasing the project, send requirements so Jeffrey James can start the project.
Delivery time starts when Jeffrey James receives requirements from you.
Jeffrey James works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Requirements
Project overview, user roles, and feature list. Description (optional): Kickoff call and review attachments to confirm scope, success metrics, and priority features. I’ll produce a brief spec and acceptance criteria.
Architecture & Wireframes
Auth preference and any existing DB/schema access. Description (optional): Implement Supabase Auth (or JWT/OAuth), design Postgres schema, and seed sample data. Secure role tables and permissions.