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Fiverr Pro
English
$
USD
I will build scalable asp net core, web forms, angular, react and nextjs applications
Bassaam
5.0
5.0
About this gig
Are you looking for a Senior Full-Stack ASP.NET Developer to build or modernize enterprise web and mobile applications?
With 5+ years of professional experience, I help US and international businesses design, build, and maintain secure, scalable, and high-performance applications using ASP.NET Core, ASP.NET Web Forms, Angular, React.js, Next.js, and Ionic. Whether you need a custom CRM, multi-tenant SaaS application, REST API development, payment gateway integration, or legacy ASP.NET modernization, I deliver production-ready solutions aligned with business goals and industry standards.
Services I Offer
- ASP.NET Core, MVC & ASP.NET Web Forms development
- Angular (1018), React.js & Next.js frontend development
- Ionic + Capacitor mobile apps (Android & iOS)
- Custom CRM & multi-tenant SaaS solutions
- REST APIs & microservices architecture
- Payment gateway integrations (Stripe, PayPal, Moneris)
- Authentication & Identity Server integration
- Database design & optimization (SQL Server, PostgreSQL, MySQL)
- Azure, IIS & CI/CD deployment
- Application maintenance, optimization & bug fixes
I build enterprise-grade systems that scale, perform, and last.
Get to know Bassaam
Bassaam
Senior Software Engineer
- FromPakistan
- Member sinceMay 2021
- Last delivery1 year
Languages
Urdu, English
I am a Senior Full-Stack Software Engineer with 5+ years of experience building and modernizing enterprise web and mobile applications. I specialize in ASP.NET Core, ASP.NET Web Forms, Angular, React.js, Next.js, and Ionic, with strong expertise in CRM systems, SaaS platforms, and REST APIs. I help businesses deliver secure, scalable, and maintainable solutions with clean architecture, reliable performance, and clear communication.
My Portfolio
FAQ
Can you build a complete application from scratch?
Yes, I offer full-scale development for web applications, from backend to frontend, including database integration. My Premium Package covers end-to-end application development tailored to your requirements.
I already have an application. Can you add new features or fix bugs?
Absolutely! My Standard Package is perfect for adding new features to an existing application, and the Basic Package covers bug fixes and minor enhancements.
What do you need from me to get started?
I’ll need a detailed description of your requirements, any specific functionalities you want, and access to your existing codebase or relevant files if it's an existing project.
Do you offer support after the project is completed?
Yes, I provide basic support after project completion to ensure everything runs smoothly. If you need extended support or ongoing maintenance, we can discuss options.
How do you handle application security?
Security is a top priority. I implement secure coding practices, data encryption, and use tools like Identity Server 4 for robust authentication and authorization.
Can I request additional revisions or customizations?
Yes! I offer additional revisions, extra pages, and customizations as gig extras. Please check my Gig Extras section for more details.
Do you work with specific hosting platforms?
I can deploy applications on popular platforms like AWS, Azure, and DigitalOcean. If you have a specific hosting preference, let me know, and I’ll accommodate it.
Reviews
3 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S 
shamaim_my
Malaysia
I am beyond thrilled with the work Bassam delivered! From the very beginning, communication was smooth, clear, and professional. The quality of his work is top-notch, and it was delivered well ahead of schedule. Not only did he provide exactly what I asked for, but he also added creative touches. Bassam...
Up to $50
Price
2 days
Duration
Helpful?K kashan97
United States
The person swiftly eradicated a bug from my application, demonstrating exceptional skill and efficiency. My project is now running flawlessly, thanks to his expertise. Highly recommended for any troubleshooting needs!
Up to $50
Price
2 days
Duration
B 
Seller's Response
Helpful?M 
mughees_iqbal
United Kingdom
The individual's professionalism and ethical conduct were commendable throughout the entire process. He handled all interactions with kindness and delivered the order on time, Exemplifying exceptional customer service. I will love to work with him again.
Up to $50
Price
2 days
Duration
B Seller's Response
Helpful?
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S shamaim_my
Malaysia
I am beyond thrilled with the work Bassam delivered! From the very beginning, communication was smooth, clear, and professional. The quality of his work is top-notch, and it was delivered well ahead of schedule. Not only did he provide exactly what I asked for, but he also added creative touches. Bassam...
Up to $50
Price
2 days
Duration
Helpful?K kashan97
United States
The person swiftly eradicated a bug from my application, demonstrating exceptional skill and efficiency. My project is now running flawlessly, thanks to his expertise. Highly recommended for any troubleshooting needs!
Up to $50
Price
2 days
Duration
B Seller's Response
Helpful?M mughees_iqbal
United Kingdom
The individual's professionalism and ethical conduct were commendable throughout the entire process. He handled all interactions with kindness and delivered the order on time, Exemplifying exceptional customer service. I will love to work with him again.
Up to $50
Price
2 days
Duration
B Seller's Response
Helpful?
