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Fiverr Pro
English
$
USD
I will build custom web app, admin dashboard, or saas portal
Sanjay Verma
About this gig
Looking for a scalable web application, custom CRM/ERP, or multi-tenant SaaS portal? You are in the right place!
I engineer custom, production-ready web software tailored to your business logic. From internal dashboards to client portals and full-scale SaaS platforms, I deliver clean, secure, and maintainable systems.
What I Build:
- Custom Web Apps: Tailored business systems, portals, and tools
- Admin Dashboards & CRMs: Data tables, charts, dynamic reports, CSV/PDF exports
- Multi-Tenant SaaS: Super-Admin controls, tenant workspaces, data isolation
- APIs & Billing: REST endpoints, webhooks, Stripe/PayPal checkout
- Database Design: Optimized MySQL schemas, indexing, complex queries
Tech Stack:
- Backend: PHP (Core), Node.js (Express), Python
- Frontend: React.js, Next.js, Tailwind CSS, Bootstrap, JavaScript
- Database: MySQL, PostgreSQL & MongoDB (Relational & Document Schemas)
- Security: JWT/Session Auth, Role-Based Access (RBAC), CSRF protection
Why Work With Me?
- Clean Code: Structured MVC architecture with inline comments
- Full Ownership: You get 100% of the source code
- Mobile Responsive: Flawless across all devices
Please message me with your requirements before ordering. Let's discuss your p
Get to know Sanjay Verma
Sanjay Verma
Full Stack Web Developer, SaaS, CRM, Multi Tenant, AI Automation
- FromIndia
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Hindi, English
Full-Stack Software Engineer building high-performance web applications, dynamic platforms, and custom automations.
Core Stack:
• Backend: PHP, Python, Node.js, REST APIs
• Frontend: React, Next.js, JavaScript, Tailwind
• Database & DevOps: MySQL, Docker, Nginx, Linux
Services Offered:
• Custom Dynamic Web Apps & Admin Dashboards
• AI Automations, Data Scripts & Workflow Integrations
• SaaS Platforms, Business Portals & API Systems
• Server Deployment, Nginx Caching & Bug Fixing
Message me with your project details to build clean, dependable software!
FAQ
Do you build custom web applications from scratch or use templates?
Every web application is custom built based on your specific requirements and business logic. I write clean, structured code (PHP, Node.js, or Python) paired with optimized databases (MySQL, PostgreSQL, or MongoDB) to ensure high performance, security, and scalability.
Can you build multi-tenant SaaS platforms with separate workspaces?
Yes. I build multi tenant SaaS systems featuring strict data isolation, role based access control (RBAC), and team workspaces, complete with a centralized Super-Admin dashboard to monitor accounts, metrics, and permissions.
Will I receive full ownership of the source code?
Yes, 100%. Upon order completion and delivery approval, full source code ownership, database schemas, and intellectual property belong entirely to you with zero recurring vendor lock-ins.
Can you deploy the application to my live hosting or VPS server?
Absolutely. I can configure your production environment (cPanel, Hostinger, Ubuntu VPS, or cloud instances), import and configure your database (MySQL, PostgreSQL, or MongoDB), set up .env production variables, and launch the build live. Simply select the "Server & Deployment" gig extra.
Can you integrate third-party APIs and payment processors?
Yes. I integrate RESTful APIs, webhooks, and secure payment solutions such as Stripe (one-time and recurring subscriptions) and PayPal, ensuring all transaction logs and webhooks sync accurately with your database.
What details do you need from me before we start?
A summary of your business workflow, wireframes or UI references (if available), a breakdown of user roles (e.g., Admin, Staff, Customer), and the key data entities you need to manage. If you only have an idea, message me first and we can scope it together.
Will the dashboard and web application work well on mobile devices?
Yes. All frontend interfaces are developed to be fully responsive across mobile phones, tablets, laptops, and wide desktop screens using clean Tailwind CSS or Bootstrap frameworks.
What is covered under the package revisions?
Revisions cover UI styling refinements, bug fixes, data validation adjustments, and logic tweaks strictly within the agreed project scope. Any new features or functional changes outside the original agreement can be added via custom milestones.
How do you protect user data and secure the application?
I adhere to industry security standards, including parameterized SQL queries (PDO/prepared statements) to prevent SQL injections, password hashing (bcrypt/Argon2), CSRF protection, and role-based middleware guards to prevent unauthorized endpoint access.
Can I request custom features or a larger scope not listed in your tiers?
Yes! If your project requires custom architecture, advanced third-party integrations, or extra dashboard screens, send me a direct message with your project brief, and I will create a tailored Custom Offer for you.
