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I will be your sql database expert for database design, postgresql, erd, sql queries
AI Automation and Database Architect and Mobile and Web Developer and SEO Expert
Hi, I'm Jahanzaib, a Computer Science Engineer (NUST) and Founder of Zazabyte Tech. With 2+ years of experience, I deliver high-impact technical solutions for global businesses.
I have successfully b...
About this Gig
Stop building databases that break. Architect for scale.
I deliver enterprise-grade database design and high-performance SQL query optimization. With 3+ years of experience at firms like Ethisol and OraDigital, I bridge the gap between complex logic and seamless user experiences.
Tools I Work With
- Relational: PostgreSQL, MySQL, SQL Server, Oracle.
- Modern/Cloud: Supabase, Neon DB, MongoDB.
- ORM/Caching: Prisma, Drizzle, Redis.
- Design: LucidChart (ERD diagrams), MySQL Workbench.
Benefits You Will Get
- Field-Proven: Robust SQL database architecture for fintech/e-commerce.
- Performance: Every SQL query engineered for sub-second latency.
- Expert ERD: Professional ERD layouts to speed up development.
- Full-Stack Context: Optimized for Next.js/React frontends.
Package Details
- Basic: Fix SQL database errors + Optimize SQL query scripts.
- Standard: Full database design + Professional ERD + 3NF.
- Premium: Complete Architecture + Permissions + Admin Logic + Migration.
Why Choose Me?
- ACID-compliant logic and technical perfection.
- PostgreSQL expert focused on scalable growth.
- Rapid communication and clean, documented code.
Message me for a free consultation!
My Portfolio
FAQ
1. Do you work with both SQL and NoSQL databases?
Yes, I have extensive experience designing and optimizing both relational databases like SQL Server, MySQL, and PostgreSQL, as well as NoSQL systems like MongoDB.
2. Can you fix slow-running queries?
Absolutely. I specialize in Database Optimization, which includes indexing, query restructuring, and performance tuning to ensure your application runs at maximum speed.
3. What is included in your "Normalization" service?
I ensure your database follows industry standards (1NF to 3NF) to reduce data redundancy and improve data integrity, making your system scalable for future growth.
4. Will you provide a Schema Diagram (ERD)?
Yes, for the Standard and Premium packages, I provide a detailed ERD so you can visually understand the relationships and architecture of your database.
5. I am using a specific tech stack (React/Next.js). Can you help?
As a Full-Stack Software Engineer, I can ensure your database is perfectly architected to integrate with modern frameworks like React and Next.js.
6. You are new to Fiverr; can I trust the quality of your work?
While I am a new seller here, I am a CEO and Software Engineer with over 2 years of field experience at firms like Ethisol and OraDigital Consultant. I offer high-end, authentic work at an introductory price to build my reputation here.
7. Can you migrate my data from one system to another?
Yes, I can assist with migrating data between different platforms, such as moving from SQL to NoSQL, while ensuring no data loss and maintaining proper structure.
