I will design and build a mysql or postgresql database with erd
Gig Summary
From idea to launch: websites that work!
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
Highly Responsive
Known for exceptionally quick replies
What people loved about this freelancer
antimattersale

United States
The seller did a fabulous job made my project very well. highly recommend, i explained my work and told what i needed and they build me a custom solution that...
mghpike

United Kingdom
The difference between the old programme and the new one is unbelievable. Sammishra has reduced the processing time and accuracy in just a short few days with an upgrade of an old system at a fantastic price.
mghpike

United Kingdom
Delivered on time and exceeded my expectations so much so I have immediately employed Sammishra to complete some more work.
About this Gig
Need a properly designed MySQL or PostgreSQL database for your application? I can design your schema, create ERDs, optimize relationships, and build a scalable database structure for your project.
I design and develop custom MySQL, PostgreSQL, MongoDB, and Firebase database solutions for web apps, mobile backends, ecommerce, and SaaS platforms built for speed, security, and scalability.
What You'll Get:
- Custom database architecture & full schema design
- Entity Relationship Diagram (ERD) with normalization
- Proper relationships, indexing & performance tuning
- Role-based permissions & security configuration
- Import/export data setup & admin panel
- Tech recommendation (MySQL, PostgreSQL, MongoDB, Firebase)
I Work With:
- React, Node.js, Next.js, PHP web apps
- WordPress & WooCommerce backends
- eCommerce, SaaS platforms & MVPs
- Data migration from old to new databases
Why Choose Me:
- Experience designing databases for SaaS applications, web platforms, CRM systems, ecommerce stores, and custom business software.
- Clean, documented code you can actually maintain
Message me before ordering share your requirements and I'll recommend the right package.
My Portfolio
FAQ
What databases do you work with?
I work with MySQL, PostgreSQL, MongoDB, Firebase, and other SQL/NoSQL databases.
Can you fix or optimize an existing database?
Yes, I can optimize queries, restructure tables, and improve performance.
Will my data be secure?
Absolutely. I follow best practices for security, backups, and access control.
Can you help with database migration?
Yes, I can migrate databases with minimal downtime and no data loss.
Do you provide support after delivery?
Yes, limited post-delivery support is included depending on the package.
16 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
A 
antimattersale

United States
The seller did a fabulous job made my project very well. highly recommend, i explained my work and told what i needed and they build me a custom solution that i never would have though of. They did most excellent work and very much recommend and appreciate them
$100-$200
Price
9 days
Duration
S 
Seller's Response
Helpful?M mghpike

United Kingdom
Ongoing collaborationThe difference between the old programme and the new one is unbelievable. Sammishra has reduced the processing time and accuracy in just a short few days with an upgrade of an old system at a fantastic price.
$50-$100
Price
3 days
Duration
S 
Seller's Response
Helpful?M mghpike

United Kingdom
Ongoing collaborationDelivered on time and exceeded my expectations so much so I have immediately employed Sammishra to complete some more work.
$200-$400
Price
7 days
Duration
S 
Seller's Response
Helpful?S simonf03

Germany
Very good work! Great communication and excellent results. Highly recommended!
$400-$600
Price
6 weeks
Duration
S 
Seller's Response
Helpful?A amber4u304

United States
Sammishra has been amazing to work with and we’re excited to continue working with her on additional projects.
$200-$400
Price
4 weeks
Duration
S 
Seller's Response
Helpful?
16 reviews for this Gig
| (15) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
A 
antimattersale

United States
The seller did a fabulous job made my project very well. highly recommend, i explained my work and told what i needed and they build me a custom solution that i never would have though of. They did most excellent work and very much recommend and appreciate them
$100-$200
Price
9 days
Duration
S 
Seller's Response
Helpful?M mghpike

United Kingdom
Ongoing collaborationThe difference between the old programme and the new one is unbelievable. Sammishra has reduced the processing time and accuracy in just a short few days with an upgrade of an old system at a fantastic price.
$50-$100
Price
3 days
Duration
S 
Seller's Response
Helpful?M mghpike

United Kingdom
Ongoing collaborationDelivered on time and exceeded my expectations so much so I have immediately employed Sammishra to complete some more work.
$200-$400
Price
7 days
Duration
S 
Seller's Response
Helpful?S simonf03

Germany
Very good work! Great communication and excellent results. Highly recommended!
$400-$600
Price
6 weeks
Duration
S 
Seller's Response
Helpful?A amber4u304

United States
Sammishra has been amazing to work with and we’re excited to continue working with her on additional projects.
$200-$400
Price
4 weeks
Duration
S 
Seller's Response
Helpful?

