You will get SaaS MVP | Custom SaaS Web Application | Full-Stack Development
Rising Talent
Rising Talent
Project details
Have a SaaS idea but need a reliable development partner to turn it into a working product?
I will design and build a custom SaaS MVP or web application tailored to your users, business model, and launch goals. You will receive a responsive, secure, and scalable product with clean architecture and maintainable code.
Your SaaS web application can include:
• User registration, login, and social authentication
• Role-based access and admin dashboards
• Stripe subscriptions, payments, and webhooks
• PostgreSQL, Supabase, MySQL, or MongoDB
• REST APIs and third-party integrations
• Customer portals, dashboards, forms, and reports
• Email notifications and automated workflows
• AI features using OpenAI, Claude, or Gemini
• Responsive React or Next.js frontend
• Backend development with Node.js or FastAPI
• Deployment, source code, and documentation
This service is ideal for startup founders, B2B SaaS platforms, marketplaces, client portals, internal tools, and AI-powered applications.
I build more than a visual prototype. Your MVP will include a proper database, secure authentication, tested workflows, and a foundation that can grow as you validate the product and gain users.
I will design and build a custom SaaS MVP or web application tailored to your users, business model, and launch goals. You will receive a responsive, secure, and scalable product with clean architecture and maintainable code.
Your SaaS web application can include:
• User registration, login, and social authentication
• Role-based access and admin dashboards
• Stripe subscriptions, payments, and webhooks
• PostgreSQL, Supabase, MySQL, or MongoDB
• REST APIs and third-party integrations
• Customer portals, dashboards, forms, and reports
• Email notifications and automated workflows
• AI features using OpenAI, Claude, or Gemini
• Responsive React or Next.js frontend
• Backend development with Node.js or FastAPI
• Deployment, source code, and documentation
This service is ideal for startup founders, B2B SaaS platforms, marketplaces, client portals, internal tools, and AI-powered applications.
I build more than a visual prototype. Your MVP will include a proper database, secure authentication, tested workflows, and a foundation that can grow as you validate the product and gain users.
What's included
| Service Tiers |
Starter
$150
|
Standard
$400
|
Advanced
$700
|
|---|---|---|---|
| Delivery Time | 5 days | 15 days | 30 days |
Number of Revisions | 1 | 2 | 4 |
Number of Pages | 3 | 6 | 15 |
Design Customization | - | - | |
Content Upload | - | - | - |
Responsive Design | - | ||
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$50
Additional Page
(+ 1 Day)
+$50
Design Customization
(+ 2 Days)
+$50Frequently asked questions
About Immanuel
Full-Stack Developer | AI, SaaS, Mobile Apps & Automation
Thoothukudi, India - 10:54 am local time
My work includes SaaS MVPs, custom web applications, AI solutions, mobile apps, ERP systems, workflow automation, backend platforms, desktop tools, and cloud deployment. I can support a new product from initial planning through development and launch, or improve an existing application that needs new features, integrations, performance fixes, or architectural upgrades.
I am new to Upwork, but not new to shipping production software. I have delivered AI, SaaS, automation, web, mobile, and blockchain solutions for clients across the US, Europe, Australia, Canada, and Singapore.
Recent project experience includes AI-powered SaaS platforms, healthcare document processing and billing automation, podcast content automation, brand-safety analysis systems, mobile applications, business dashboards, and blockchain integrations.
Core services:
• SaaS MVP and custom web application development
• AI chatbots, RAG assistants, AI agents, and knowledge-base systems
• Android and iOS application development using React Native
• ERP, CRM, inventory, HRM, finance, and business management systems
• n8n workflow automation, API integrations, webhooks, and AI workflows
• Java, Spring Boot, Node.js, FastAPI, and custom backend development
• Admin dashboards, customer portals, marketplaces, and internal tools
• Desktop applications and business productivity systems
• Stripe payments, subscriptions, authentication, and third-party integrations
• AWS, Azure, and GCP deployment, server configuration, and cloud support
• Bug fixing, application modernization, performance optimization, and upgrades
• Blockchain and Web3 integrations when required
Technology expertise:
Frontend:
React, Next.js, TypeScript, JavaScript, Tailwind CSS, HTML, and CSS
Backend:
Node.js, FastAPI, Java, Spring Boot, REST APIs, and webhooks
Databases:
PostgreSQL, MySQL, MongoDB, Supabase, Firebase, and vector databases
Mobile:
React Native, Android, and iOS
AI and Automation:
OpenAI, Claude, Gemini, RAG, LangChain, LangGraph, LlamaIndex, Pinecone, Qdrant, n8n, and Make
Cloud and Deployment:
AWS, Azure, GCP, Vercel, Railway, VPS, Docker, GitHub, and CI/CD
What you can expect:
• Clear requirements and practical technical recommendations
• Secure, scalable, and maintainable architecture
• Responsive and user-friendly interfaces
• Reliable backend, database, and API development
• Regular progress updates and transparent communication
• Thorough testing before deployment
• Source-code ownership, documentation, and handover
• Post-launch support and long-term development assistance
Whether you need to validate a SaaS idea, build a complete business platform, automate repetitive operations, launch a mobile application, modernize an existing system, or deploy your software to the cloud, I will help you choose and implement a practical solution based on your goals, budget, and timeline.
Share your idea, requirements, documentation, designs, or current technical challenge, and I will recommend the right development approach.
Steps for completing your project
After purchasing the project, send requirements so Immanuel can start the project.
Delivery time starts when Immanuel receives requirements from you.
Immanuel works on your project following the steps below.
Revisions may occur after the delivery date.
SaaS requirements and MVP planning
I will review your idea, users, business model, features, integrations, and launch goals, then define the MVP scope and development plan.
UI, user flow, and architecture
I will plan the screens, user journey, database structure, authentication, roles, APIs, and scalable application architecture.