Abdullah Sayed

SQL Developer with 2 years of experience in MySQL and PostgreSQL database development, query optimization, database design, ETL support, and performance tuning. Experienced in developing complex SQL queries, stored procedures, views, functions, and relational database schemas to support business applications and reporting systems. Skilled in data modeling, indexing strategies, database security, backup and recovery, and cloud-hosted database deployments.

Strong understanding of data integrity, normalization, query execution plans, and database performance optimization.

SQL Developer at Freelance (2025-05 – Present)

• Designed and managed 5 plus relational database schemas using MySQL and PostgreSQL for client-based applications.
• Developed and optimized 15 plus complex SQL queries for reporting, filtering, and business analytics requirements.
• Improved query performance by 40–60% through indexing, query restructuring, and execution plan analysis.
• Deployed and maintained 2 plus cloud-hosted database applications on Render Cloud.
• Implemented role-based access control for 20 plus database users to maintain security and compliance.

Data Engineer at Hikmah Technologies (2024-05 – 2025-05)

• Designed and maintained 25 plus normalized database tables supporting business-critical applications.
• Created and modified database tables, constraints, indexes, and relationships to improve data integrity and performance.
• Conducted data quality checks on 1M plus records, ensuring high data accuracy and consistency.
• Reduced report generation time by 50% through query optimization and indexing strategies.

Bachelor of Science in Information Technology – University Of Mumbai (2022-02 – 2024-02)

Diploma in Civil Engineering – MSBTE (2019-01 – 2022-02)