Adarsh Kumar
Delhi, India
Adarsh Kumar
SaaS & CRM Developer | MERN Stack | API Integratio
Category : Web development
I specialize in building SaaS platforms, CRM systems, and business automation tools using the MERN stack.
If you need a system that handles users, data, workflows, and integrations — I can help you design and build it efficiently.
🔧 Expertise:
-- SaaS product development
-- CRM dashboards
-- Authentication & role-based access
-- Payment gateway integration
-- Database design & optimization
If you need a system that handles users, data, workflows, and integrations — I can help you design and build it efficiently.
🔧 Expertise:
-- SaaS product development
-- CRM dashboards
-- Authentication & role-based access
-- Payment gateway integration
-- Database design & optimization
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
![I Will Build Your Loan CRM, Hotel CRM or Custom CRM System in 7 Days]()
Looking to manage your business operations efficiently? I will build a custom CRM system tailored to your needs — whether it's for loan management, hotel bookings, customer tracking, or any b ...
- Developed scalable full-stack applications using MERN stack and Java Spring Boot microservices.
- Designed and deployed REST APIs using Spring Boot; integrated Jenkins CI/CD and AWS services like S3 andEC2.
- Built CRM modules including dynamic field creation UI, page builder with drag-and-drop, and video player withVideo.js, HLS,
AWS Lambda, S3, and FFmpeg.
- Developed Google Calendar-style calendar with drag-and-drop events, Gmail and Outlook extension integration,and 'Book
Appointment' feature for external users.
- Implemented backend services like field listeners, workflow automations, and microservices for log tracking.
- Improved MongoDB query performance and maintained responsive design across platforms
- Designed and deployed REST APIs using Spring Boot; integrated Jenkins CI/CD and AWS services like S3 andEC2.
- Built CRM modules including dynamic field creation UI, page builder with drag-and-drop, and video player withVideo.js, HLS,
AWS Lambda, S3, and FFmpeg.
- Developed Google Calendar-style calendar with drag-and-drop events, Gmail and Outlook extension integration,and 'Book
Appointment' feature for external users.
- Implemented backend services like field listeners, workflow automations, and microservices for log tracking.
- Improved MongoDB query performance and maintained responsive design across platforms
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