Senior Full-Stack Developer for Regulatory Workflow & Monitoring SaaS Platform

Job ID: 40497493

Budget: $10,000 – $20,000 USD

Job Title

Senior Full-Stack SaaS Developer (React, Node.js, PostgreSQL, AI Integration)

Job Description

We are seeking an experienced Senior Full-Stack Developer to build a modern SaaS web application with AI-assisted workflows, external API integrations, subscription billing, notifications, and customer dashboards.

Required Skills

* React.js / Next.js
* TypeScript & JavaScript
* Node.js (Express or NestJS)
* PostgreSQL or MySQL
* REST APIs & GraphQL
* Tailwind CSS / Material UI
* Docker & Linux Deployment
* GitHub & CI/CD
* Redis, Queues, Background Jobs
* Stripe Payments
* SendGrid Email Services
* JWT / OAuth Authentication

AI Experience

Experience integrating:

* OpenAI or Anthropic APIs
* Prompt Engineering
* RAG Architectures
* AI Workflow Automation
* LLM Testing & Validation

Preferred Experience

* SaaS platform development
* Workflow automation systems
* Complex dashboard applications
* Third-party API integrations
* Production deployments

Compliance Requirement:
The developer must ensure full compliance with the Computer Fraud and Abuse Act (CFAA), 18 U.S.C. § 1030, and Federal AI System Mandates (89 FR 25609). This includes utilizing the USPTO’s proprietary bulk data products and official APIs via the Developer Hub, strictly avoiding any web scraping of public user interfaces.

Deliverables:

Frontend & Backend Development
Database Architecture
API Development
AI Integration
Billing & Notification Systems
QA Testing
Deployment Documentation
Proposal Requirements: Please provide: Relevant SaaS projects you’ve developed. AI/LLM implementation experience. Years of experience with React, Node.js, and PostgreSQL. Hourly rate or fixed-price estimate. Expected availability. Only apply if you have experience building and deploying complex SaaS applications. WordPress, low-code, and website-only experience are not sufficient for this project.
Related categories: Linux Node.js PostgreSQL Redis Docker GitHub SendGrid Tailwind CSS REST API