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Fiverr Pro
English
$
USD
I will develop custom saas, CRM, erp and web applications
Sanjeev Kumar
About this gig
Looking for a professional developer to build a Custom SaaS Platform, Web Application, CRM, ERP System, Admin Dashboard, Analytics Dashboard, E-commerce Store, or AI-Powered Solution?
You're in the right place!
I specialize in building modern, scalable, and secure applications tailored to your business needs.
SaaS Development
Custom Web Applications
CRM & ERP Systems
Admin & Analytics Dashboards
E-commerce Solutions
AI Automation & Integrations
API Development & Integration
Authentication & User Management
️ Tech Stack: React.js, Next.js, Node.js, Express.js, Python, FastAPI, MongoDB, PostgreSQL, MySQL.
Why Choose Me?
Clean & Scalable Code
Responsive Design
Fast Communication
On-Time Delivery
Business-Focused Solutions
Whether you need a startup MVP, business software, dashboard, SaaS platform, or custom web application, I can help bring your idea to life.
Contact me before placing an order to discuss your project requirements.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Sanjeev Kumar
Sanjeev Kumar
Full Stack Engineer
- FromIndia
- Member sinceJun 2026
- Avg. response time1 hour
Languages
Hindi, English
I am a Full Stack Engineer with hands-on experience shipping production-grade SaaS platforms using the MERN stack, TypeScript, and PostgreSQL. I have led teams to build multi-tenant products spanning AI-driven analytics and microservice architectures. I am passionate about building 0→1 products at startups with full ownership.
My Portfolio
FAQ
What type of projects can you develop?
I can develop Custom SaaS Platforms, CRM Systems, ERP Software, Web Applications, Admin Dashboards, Analytics Dashboards, E-commerce Platforms, Business Management Systems, AI Automation Solutions, and Custom Business Tools tailored to your requirements.
What technologies do you use?
: I primarily work with React.js, Next.js, Node.js, Express.js, Python, FastAPI, MongoDB, PostgreSQL, MySQL, REST APIs, and modern cloud technologies to build scalable and secure applications.
Can you build custom SaaS applications?
Yes! I can build complete SaaS products including user authentication, subscriptions, dashboards, payment integration, APIs, role-based access control, and custom workflows
Do you provide AI integration and automation?
Absolutely. I can integrate AI chatbots, OpenAI APIs, AI-powered workflows, automation systems, intelligent assistants, and custom AI features into your application.
Do you provide deployment and hosting support?
Yes. I can assist with deployment, domain setup, cloud hosting, SSL certificates, server configuration, database setup, and production deployment
Can you integrate payment gateways?
Yes. I can integrate Stripe, PayPal, Razorpay, PayU, and other payment gateways based on your business requirements
Will the application be mobile-friendly?
Yes. All applications and websites are built with responsive design principles to ensure they work smoothly across desktop, tablet, and mobile devices.
Should I contact you before placing an order?
Yes. Please message me before placing an order so we can discuss your requirements, project scope, timeline, and the most suitable package for your needs
