You will get Custom Web App Development | ERP | POS | CRM | CMS | Full Stack Developer
Rising Talent
Project details
Replace scattered business processes with one web application built around the way your team actually works.
This service is for businesses that need a custom ERP, POS, CRM, CMS, or internal web application with the flexibility to combine multiple modules into one system.
Systems I can develop
• ERP for operations, inventory, finance & staff
• POS for sales, products, customers & transactions
• CRM for leads, customers, follow-ups & sales
• CMS for managing website content & users
• Custom dashboards & business management systems
Typical Modules
User & Role Management • Dashboard & Reports • Product & Inventory • Orders & Sales • Customers & Leads • Invoices • Notifications • Search & Filters • API Integrations • Admin Panel
The application can also connect with your existing tools, databases, payment services, APIs & third-party systems. Whether you're upgrading an outdated system, or creating software for a new business workflow, the application is developed around your actual requirements.
Keywords: Custom Web App Development, ERP Development, POS Development, CRM Development, CMS Development, Business Web Application, Custom Software Development, Full Stack Developer.
This service is for businesses that need a custom ERP, POS, CRM, CMS, or internal web application with the flexibility to combine multiple modules into one system.
Systems I can develop
• ERP for operations, inventory, finance & staff
• POS for sales, products, customers & transactions
• CRM for leads, customers, follow-ups & sales
• CMS for managing website content & users
• Custom dashboards & business management systems
Typical Modules
User & Role Management • Dashboard & Reports • Product & Inventory • Orders & Sales • Customers & Leads • Invoices • Notifications • Search & Filters • API Integrations • Admin Panel
The application can also connect with your existing tools, databases, payment services, APIs & third-party systems. Whether you're upgrading an outdated system, or creating software for a new business workflow, the application is developed around your actual requirements.
Keywords: Custom Web App Development, ERP Development, POS Development, CRM Development, CMS Development, Business Web Application, Custom Software Development, Full Stack Developer.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$99
|
Standard
$499
|
Advanced
$999
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | Unlimited |
Number of Pages | 3 | 7 | 15 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | |||
Source Code |
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JD
Jay D.
Jul 8, 2026
30 minute consultation
Very impressed with the consultation. Manish understood my project immediately and provided valuable insights that I hadn't considered.
About Manish
Full Stack Developer | React Developer | Angular, Node, AI, SaaS, Next
Siwan, India - 5:35 am local time
- Looking for a Full Stack Developer to build a Web App that can handle thousands of users daily?
- Want a Full Stack Developer who can reduce time-to-launch by 50% with a cost-effective solution?
- Need a Full Stack Web Developer for bug fixes, performance optimization & troubleshooting issues?
- Looking for a long-term Full Stack Developer, not just another freelancer?
Hi, I'm Manish Kumar, a Full Stack Developer with 5+ years of experience building scalable Web Applications, SaaS platforms, eCommerce systems & AI-powered web apps.
As a Full Stack Developer, I handle the entire technical side of your SaaS - from frontend, backend, APIs, databases & cloud infrastructure.
𝗢𝗻𝗲 𝗢𝗳 𝗠𝘆 𝗖𝗹𝗶𝗲𝗻𝘁’𝘀 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 𝗦𝘁𝗼𝗿𝘆
🛒 eCommerce Website:
• Helped support a business that raised $217K+
• Contributed to a Full Stack website generating over $350K in annual revenue.
• Built and optimized website handling 5,000+ orders per month
𝗪𝗵𝗮𝘁 𝗬𝗼𝘂'𝗹𝗹 𝗚𝗲𝘁
✦100% ownership of your source code, documentation & project assets from Day One.
✦Weekly progress demos with transparent updates and shared milestones.
✦Free post-launch support to ensure a smooth and stable release.
✦Free project management support, including milestone planning and delivery tracking.
𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
•Frontend Development: React.js, Next.js, Angular, JavaScript, TypeScript, HTML5, CSS3, Tailwind CSS, Bootstrap, Material UI
•Backend Development: Node.js, Express.js, NestJS, REST API, GraphQL API, Authentication (JWT/OAuth), WebSocket
•Database Development: MongoDB, PostgreSQL, MySQL, Firebase, Supabase
•Cloud & DevOps: AWS, Docker, Kubernetes, CI/CD Pipelines, Git, GitHub, Vercel, Netlify
•AI Development: OpenAI API Integration, AI Chatbot, AI Agent, Workflow Automation, n8n
•API & Integration Development: API Development, API Integration, Third-Party API Integration, Payment Gateway Integration, Stripe, PayPal, Razorpay
𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗜'𝘃𝗲 𝗕𝘂𝗶𝗹𝘁 𝗔𝘀 𝗔 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿
•Multi-Tenant SaaS Platforms with Subscription, RBAC & Admin Dashboards
•Custom eCommerce Websites with payment & Order Management
•CRM, ERP & Business Management Systems
•AI-Powered Web Apps with OpenAI, AI Chatbots & Automation
•Booking, Appointment & Reservation Systems
•Learning Management Systems (LMS) & Online Education Websites
•Healthcare, Telemedicine & Patient Management Platforms
•On-demand Service Marketplace Platforms with Vendor & Order Management
•Real Estate Websites with Property Listings
•Finance & FinTech Applications
•Business Websites, Landing Pages & Web Portals
𝗪𝗵𝗮𝘁 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗗𝗼 𝗜 𝗢𝗳𝗳𝗲𝗿 𝗔𝘀 𝗔 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿?
•SaaS Development: Build scalable SaaS with secure authentication & features designed for long-term growth.
•MVP Development: Turn your idea into a launch-ready MVP with cost-effective solution
•Frontend Development: Create responsive user interfaces using React, Next.js, Angular & TypeScript.
•Backend Development: Develop secure backend systems, business logic, REST APIs, GraphQL APIs & third-party integrations.
•AI Application Development: Integrate AI features, AI chatbots & AI automation
𝗪𝗵𝗲𝗿𝗲 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿:
As a Frontend React Developer, 20+ systems with UI development, dashboards, and responsive builds across SaaS platforms, booking platforms, and ecommerce websites.
As a React and Next.js Developer, 15+ launches with 30% faster iteration through design to code and component development.
As a Full Stack Developer React Node Angular, 25+ end to end builds with backend APIs, data architecture, and secure scalable systems from early stage MVP to live SaaS platform.
As a Full Stack Developer React Node, AI powered product builds: chatbots, RAG assistants, and automation with OpenAI, Claude API, Restful API, and MongoDB databases.
As a Full Stack Developer, 12+ backend heavy products with 28% lower delivery risk on Node.js.
As a Full Stack Developer React Node Angular, 6 to 18 month engagements as a long term development partner: scale existing platforms, professionalize, review, improve, and launch.
Whether you're launching a new product, scaling an existing one or fixing what's broken, I'm the Full Stack Developer who takes it from start to finish.
→ I offer a 𝗳𝗿𝗲𝗲 𝟯𝟬-𝗺𝗶𝗻𝘂𝘁𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 so you can make decisions with clarity
Click the "𝗺𝗲𝘀𝘀𝗮𝗴𝗲 " button to discuss your project & claim your free consultation.
Regards,
Manish 🙂
Steps for completing your project
After purchasing the project, send requirements so Manish can start the project.
Delivery time starts when Manish receives requirements from you.
Manish works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & Planning
Review your business workflow, modules, user roles, and integrations.
UI/UX & Development
Design the interface and develop the required web app modules.