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$
USD
I will design and build a mysql or postgresql database with erd
From idea to launch: websites that work!
Full stack developer with 4+ years of experience in React, Node and Next JS and WordPress. I specialize in building scalable, high-performing web applications and custom WordPress solutions. With exp...
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
chayut99
Thailand
This is my fourth time ordering products from Sammishra. This time, the task was to refactor and innovate our existing website, and she worked wonderfully with...
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.
chayut99
Thailand
This is my fifth time ordering products from Sammishra. This time, the task was to create a virtual try-on platform, a complex and technically demanding project....
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
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.
Reviews
14 reviews for this Gig
| (13) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chayut99
Repeat Client
Thailand
This is my fourth time ordering products from Sammishra. This time, the task was to refactor and innovate our existing website, and she worked wonderfully with us on this project! The delivery was ahead of schedule, and she handled the website's functional details very well! I am extremely satisfied...
$200-$400
Price
2 weeks
Duration
S 
Seller's Response
Helpful?M mghpike
Repeat Client
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.
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?C chayut99
Repeat Client
Thailand
This is my fifth time ordering products from Sammishra. This time, the task was to create a virtual try-on platform, a complex and technically demanding project. She worked exceptionally well with us! She successfully completed the website's functional details and setup, and I am extremely satisfied...
$200-$400
Price
4 weeks
Duration
S Seller's Response
Helpful?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
Repeat Client
United Kingdom
Delivered on time and exceeded my expectations so much so I have immediately employed Sammishra to complete some more work.
$100-$200
Price
7 days
Duration
S Seller's Response
Helpful?
Reviews
14 reviews for this Gig
| (13) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chayut99
Repeat Client
Thailand
This is my fourth time ordering products from Sammishra. This time, the task was to refactor and innovate our existing website, and she worked wonderfully with us on this project! The delivery was ahead of schedule, and she handled the website's functional details very well! I am extremely satisfied...
$200-$400
Price
2 weeks
Duration
S Seller's Response
Helpful?M mghpike
Repeat Client
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.
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?C chayut99
Repeat Client
Thailand
This is my fifth time ordering products from Sammishra. This time, the task was to create a virtual try-on platform, a complex and technically demanding project. She worked exceptionally well with us! She successfully completed the website's functional details and setup, and I am extremely satisfied...
$200-$400
Price
4 weeks
Duration
S Seller's Response
Helpful?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
Repeat Client
United Kingdom
Delivered on time and exceeded my expectations so much so I have immediately employed Sammishra to complete some more work.
$100-$200
Price
7 days
Duration
S Seller's Response
Helpful?
