Building SaaS & AI-Powered Applications
Full-Stack AI SaaS Developer
I build production-ready web applications using Next.js, TypeScript, Supabase/Firebase, and AI APIs. My focus is creating practical SaaS products with authentication, dashboards, databases, AI-powered workflows, and real-world business logic.
Developer Profile

Ryan Abir
Full-Stack AI SaaS Developer
Specialized in
Next.js | TypeScript | SaaS | AI
About
Building practical SaaS products with AI integrations.
Ryan Abir is a Full-Stack AI SaaS Developer focused on building practical SaaS-style products with authentication, dashboards, database-backed workflows, and applied AI integrations. Recent work includes JobFit Copilot, an AI-powered job application assistant that combines authentication, database storage, AI analysis, dashboard metrics, and application tracking in one full-stack product.
Full-stack SaaS products
AI-integrated workflows
Authentication systems
Dashboards and analytics
Database-backed architecture
Product-focused execution
Skills
A focused stack for building SaaS, AI-powered, and full-stack web apps.
Grouped capabilities across frontend, backend, databases, SaaS billing, AI integrations, and deployment workflows.
Backend & APIs
Database & Cloud
SaaS & Payments
AI & Product Engineering
Tools & Deployment
Projects
Selected SaaS, AI, MERN & Flutter Projects.
A focused portfolio of production-style applications featuring SaaS dashboards, secure authentication, Firebase backends, and applied AI integrations.
AI SaaS / Full-Stack Web App
JobFit Copilot
JobFit Copilot is an AI-powered job application assistant for developers. Users can paste a job post or job link, compare it with their saved developer profile, generate a fit score, identify matched and missing skills, detect weak areas and red flags, suggest resume keywords, create a tailored application email, and track applications in a dashboard.
Highlights
- Built an AI-powered job application assistant that analyzes job posts and compares them with a developer profile.
- Integrated Gemini API to generate fit scores, matched skills, missing skills, red flags, resume keywords, and tailored application emails.
- Implemented authentication, database storage, application tracking, and dashboard metrics using Supabase.
- Designed a complete SaaS-style product flow from user profile setup to AI analysis and saved job tracking.
- Created structured AI output handling to make generated insights usable inside the product UI.
SaaS Billing System
SaaS Billing Starter
Production-style subscription billing starter built with Next.js App Router, Clerk, Stripe Billing, Prisma, Neon PostgreSQL, and Vercel. It demonstrates a complete SaaS billing lifecycle including authentication, checkout, webhook-based subscription sync, billing portal management, scheduled cancellation handling, duplicate subscription prevention, and server-side plan-based feature gating.
Highlights
- Stripe Checkout subscription flow
- Webhook-based subscription status sync
- Stripe Customer Portal billing management
- Scheduled cancellation state handling
- Duplicate subscription prevention
- Free vs Pro server-side feature gating
- Prisma + Neon PostgreSQL persistence
- Live Vercel deployment
SaaS + AI Dashboard
Family Finance Management
AI-powered family finance and property management SaaS dashboard with role-based authentication, property income tracking, family member management, AI financial insights, and Firebase backend.
Highlights
- AI financial insights
- Role-based access control
- Family member assignment system
- Property income and expense tracking
- Responsive SaaS dashboard
Full Stack MERN App
SecureNotes
Modern multi-format note-taking application with rich text editing, checklist workflows, image notes, colorful categories, JWT authentication, and responsive SaaS-style UI.
Highlights
- Rich text note editor
- Checklist/todo notes
- Image note support
- Modal note editing
- Search & filters
- Mobile responsive layout
- Secure JWT authentication
- Color categorized notes
Services
Development support for practical product builds.
Focused engineering services for web apps, mobile apps, dashboards, and SaaS-ready features.
Web
Full Stack Web App Development
Custom MERN stack web applications with authentication, dashboards, APIs, and database integration.
React frontend
Node.js/Express backend
MongoDB database
Authentication
Dashboard features
Mobile
Flutter Mobile App Development
Cross-platform mobile apps using Flutter, Firebase, and Firestore for modern business and startup needs.
Flutter UI
Firebase backend
Firestore database
Authentication
Cross-platform support
SaaS + AI
SaaS & AI Feature Integration
SaaS-ready product features and AI-powered integrations for smarter web and mobile applications.
AI summaries
Smart insights
Premium feature structure
Subscription-ready architecture
Scalable product thinking
Admin
Dashboard & Admin Panel Development
Clean and responsive dashboards for managing users, data, analytics, and internal business workflows.
Admin UI
CRUD management
Data visualization layout
Role-based access concept
Responsive design
Contact
Let's Build Something Together
Open to freelance projects, remote roles, startup collaborations, and SaaS/AI-powered product opportunities.