I will be backend developer for web app and API using nestjs, expressjs, and nodejs


Vetted Pro
Top Rated
1 order in queue
Vetted by Fiverr Pro
Mob was selected by the Fiverr Pro team for their expertise.
About this gig
Need help with API development or fixing backend issues using Node.js and Nest.js? You're in the right place!
I specialize in building strong, flexible, and high-performance backend solutions( E-commerce website, SAAS platform, CRM, or enterprise web app) that ensure speed, security, and ideal integration for the latest web applications.
What I Offer:
- Flexible Backend Development using Node.js, Nest.js, and Express.js for high-performance applications
- REST & GraphQL API Development for Ideal frontend integration with Next.js, React.js, and Gatsby
- Real-Time Features & WebSockets for interactive, data-driven applications
- High-Speed Performance Optimization to improve loading time & flexible
- Secure Authentication & Authorization with JWT and role-based access control
- Cloud Deployment & Serverless Architecture on AWS and Google Cloud
- Advanced Database Integration with MongoDB, MySQL, and PostgreSQL for data management
Why Choose Me?
- High-Quality Code & Clean Architecture
- On-time Project Delivery
- Post-Deployment Support & Maintenance
- 24/7 Support & Clear Communication
Lets build something amazing together! Contact me today to discuss your project.
Get to know Mob
Vetted Pro
Full Stack Web Developer I Mobile App Developer I AI Integration
Top Rated
Mob is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.
Vetted for
Mobile App Development
Software Development
- FromPakistan
- Member sinceMar 2018
- Avg. response time1 hour
- Last deliveryabout 12 hours
Languages
English
My Portfolio
FAQ
What kind of backend solutions do you offer?
I specialize in building strong, flexible, and high-performance backend solutions for various applications, including E-commerce websites, SAAS platforms, CRMs, and enterprise web apps. My focus is on ensuring speed, security, and seamless integration for the latest web applications.
What technologies do you use for backend development?
I use Node.js, Nest.js, and Express.js to develop scalable and efficient backend systems. These technologies are perfect for building high-performance applications that can handle complex business logic and large amounts of data.
Do you offer real-time features for applications?
Absolutely! I can integrate WebSockets and real-time features for interactive, data-driven applications. This is ideal for chat applications, live updates, and other real-time functionalities.
Can you help with cloud deployment and serverless architecture?
Yes! I specialize in cloud deployment and serverless architecture on platforms like AWS and Google Cloud. I can help deploy your application in a scalable, reliable, and cost-effective manner.
Do you implement secure authentication and authorization?
Yes, I implement secure authentication and authorization using JWT (JSON Web Tokens) and role-based access control (RBAC). This ensures that your application is safe and that users can only access the resources they are authorized to
How do you optimize the performance of applications?
I focus on high-speed performance optimization to improve loading times and flexibility. This includes code optimization, database indexing, caching strategies, and other performance-enhancing techniques to ensure that your app runs smoothly under heavy traffic.
12 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
B bloom_onlinet
Repeat Client

Mexico
I’m very happy to continue working with Mob. He is consistently attentive to every request and maintains a high level of professionalism throughout the entire process. What stands out most is his ability to truly deliver—he not only meets expectations but often exceeds them. His expertise in coding is...
$400-$600
Price
2 weeks
Duration
Helpful?J jmproducts777
Repeat Client

United States
I came to Mob with a short timeline abnormal project, he dove right into the details with me and put together a software package that worked exactly like we needed.
$400-$600
Price
4 days
Duration
Helpful?F furkankabalay
Repeat Client

Netherlands
I want to thank Mob, The first milestone has been delivered with a solid foundation.
$200-$400
Price
9 days
Duration
Helpful?F freahl
Repeat Client

Sweden
Really good swift work. A complex job they fixed very good. Recommended!
$1,000-$1,500
Price
2 weeks
Duration
Helpful?P patrunner1421
Repeat Client

United States
Very Timely and did a great job!
$1,500-$2,000
Price
2 weeks
Duration
Helpful?
12 reviews for this Gig
| (12) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
B bloom_onlinet
Repeat Client

Mexico
I’m very happy to continue working with Mob. He is consistently attentive to every request and maintains a high level of professionalism throughout the entire process. What stands out most is his ability to truly deliver—he not only meets expectations but often exceeds them. His expertise in coding is...
$400-$600
Price
2 weeks
Duration
Helpful?J jmproducts777
Repeat Client

United States
I came to Mob with a short timeline abnormal project, he dove right into the details with me and put together a software package that worked exactly like we needed.
$400-$600
Price
4 days
Duration
Helpful?F furkankabalay
Repeat Client

Netherlands
I want to thank Mob, The first milestone has been delivered with a solid foundation.
$200-$400
Price
9 days
Duration
Helpful?F freahl
Repeat Client

Sweden
Really good swift work. A complex job they fixed very good. Recommended!
$1,000-$1,500
Price
2 weeks
Duration
Helpful?P patrunner1421
Repeat Client

United States
Very Timely and did a great job!
$1,500-$2,000
Price
2 weeks
Duration
Helpful?
People keep coming back! mercury_sols has an exceptional number of repeat buyers.