I will design, develop and optimize sql and nosql databases
Flutter Mobile App Developer iOS And Android Expert
Level 1
Has met certain performance criteria and shows strong potential in the marketplace.
About this Gig
I specialize in designing structured, scalable, and high-performance database systems for startups, SaaS products, and enterprise applications.
If you need a properly designed, optimized, and secure database youre in the right place.
What I Can Do For You
Database schema design
ERD (Entity Relationship Diagram)
Database normalization
SQL query writing & optimization
Indexing & performance tuning
Data modeling
Database migration
Permissions & user role setup
Import/export & data management
Backend integration with APIs or web apps
Database Technologies I Work With
Relational Databases:
- MySQL
- PostgreSQL
- MS SQL Server
- MariaDB
NoSQL Databases:
- MongoDB
- Firebase
- Redis
I also work with:
- PL/SQL
- Query optimization
- Performance indexing
- Database architecture planning
Backend & Integration (Optional)
If required, I can also integrate your database with:
- PHP (Laravel)
- Node.js (Express)
- React / Next.js apps
- REST APIs
Why Work With Me?
Clean & normalized schema design
Optimized for performance & scalability
Secure & properly structured
Platform:
Firebase
•
MariaDB
•
MongoDB
•
MS SQL
•
MySQL
•
PostgreSQL
•
SQLite
Expertise:
Design
•
ERD
•
SQL
•
NoSQL
•
Performance
My Portfolio
24 reviews for this Gig
| (22) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
O 
ohidkhan

United Kingdom
Needed a Custom Mobile App Development: which was beyond regular native app it was definetly very complex task , it was a tailored solutions for my specific platform. Very good at Persistent Problem Solving: Handling "critical" tasks that require staying on top of issues, best part was testing on real...
$200-$400
Price
4 weeks
Duration
U 
Seller's Response
Helpful?A angelaintegro

Cyprus
Wrote all bugs of the app.
$200-$400
Price
5 days
Duration
U 
Seller's Response
Helpful?A adeelmazhar945

Pakistan
I am working on a fairly detailed app project, and he has performed well, and I hope to work with him again to keep this project going. I recommend this developer for all cross-platform app design, especially for UI and backend development.
$50-$100
Price
4 days
Duration

U 
Seller's Response
Helpful?T 
the_real_rusein

Saudi Arabia
Umer is the first freelancer i worked with on this website, and due to his politeness and professionalism, i really enjoyed working with him, he gets straight to the point. Just amazing
$50-$100
Price
4 days
Duration

U 
Seller's Response
Helpful?A 
allana2

United States
Umer and his team are extremely professional and sincere group of developers. They completed my work well in time and went out of the scope to make sure that the project is useful for us.
$50-$100
Price
13 days
Duration
Helpful?
24 reviews for this Gig
| (22) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
O 
ohidkhan

United Kingdom
Needed a Custom Mobile App Development: which was beyond regular native app it was definetly very complex task , it was a tailored solutions for my specific platform. Very good at Persistent Problem Solving: Handling "critical" tasks that require staying on top of issues, best part was testing on real...
$200-$400
Price
4 weeks
Duration
U 
Seller's Response
Helpful?A angelaintegro

Cyprus
Wrote all bugs of the app.
$200-$400
Price
5 days
Duration
U 
Seller's Response
Helpful?A adeelmazhar945

Pakistan
I am working on a fairly detailed app project, and he has performed well, and I hope to work with him again to keep this project going. I recommend this developer for all cross-platform app design, especially for UI and backend development.
$50-$100
Price
4 days
Duration

U 
Seller's Response
Helpful?T 
the_real_rusein

Saudi Arabia
Umer is the first freelancer i worked with on this website, and due to his politeness and professionalism, i really enjoyed working with him, he gets straight to the point. Just amazing
$50-$100
Price
4 days
Duration

U 
Seller's Response
Helpful?A 
allana2

United States
Umer and his team are extremely professional and sincere group of developers. They completed my work well in time and went out of the scope to make sure that the project is useful for us.
$50-$100
Price
13 days
Duration
Helpful?

