I will develop custom CRM web portal saas erp websites webapps


About this gig
I'm Vishath, a full-stack developer with 5+ years of experience specializing in custom CRMs, SaaS platforms, and ERP systems.
Before we dive in, explore my work to see the quality and expertise I deliver:
Portfolio: https://vishathamarasinghe.com
Real case studies (designed, developed & deployed by me):
- https://vishathamarasinghe.com/skycare-web
- https://rudi-rocks.com
- https://vishathamarasinghe.com/lms
- https://vishathamarasinghe.com/shine-bridle
Live Inventory Management & POS System:
https://smellinspector.cloud
(username: test_admin, password: password123)
If you're looking for an expert to build or improve a CRM, SaaS application, or ERP system, you're in the right place.
What I built end-to-end:
- Custom CRMs (sales CRM, service CRM, customer onboarding, ticketing systems)
- SaaS platforms (subscription systems, dashboards, multi-tenant apps)
- ERP modules (inventory, HR, procurement, finance, operations)
- UX/UI design
- Frontend (React/Next.js)
- Backend (Node.js, Spring Boot, MySQL, MongoDB)
- Hosting & deployments
- Free after-support
Why clients trust me:
I manage the full product lifecycle, deliver clean, scalable code, and maintain smooth communication throughout the project.
Get to know Vishath Ak
Talented Web and Mobile App Developer with 4 years experience
- FromSri Lanka
- Member sinceDec 2020
- Avg. response time1 hour
- Last delivery1 month
Languages
English, Sinhala
My Portfolio
Other Software Development Services I Offer
FAQ
Do you offer support after the project is delivered?
Yes, I provide ongoing help, weekly check-ins, and make sure everything keeps running smoothly.
Can you manage large or complex projects?
Yes, I build scalable systems that can handle big workflows and multi-step business operations.
If I share a sample CRM or portal, can you build something similar?
Yes, I can recreate the features you need, add extra screens, and improve the workflow to fit your process.
Can you make a mobile version of my web app?
Yes, I can turn your web app into a mobile-friendly app using PWA so it works on both Android and iOS.
How do you keep my project secure?
How do you keep my project secure? I use secure coding practices, input sanitization, SSL/HTTPS, protection against common attacks, and measures to reduce DDoS risks.
Can you integrate payments and other APIs?
Yes, I can add Stripe, PayPal, SMS and calling APIs, email services, AI tools, and many other third-party systems.

