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oraclewithnbs

Nanak Balaji

@oraclewithnbs

Oracle SQL and PL SQL Performance Expert

India
English, Hindi, Telugu, Tamil
About me
Struggling with slow SQL queries or poor database performance? I fix it fast. I am an Oracle SQL and PL SQL Developer with 4.5 plus years of experience delivering high performance, scalable solutions. I specialize in query optimization, indexing, stored procedures, and performance tuning. I have improved critical systems in healthcare and retail domains. Expect clean code, fast delivery, and real results. If your database is slow, inefficient, or failing to scale, I am ready to optimize it.... Read more

Skills

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oraclewithnbs
Nanak Balaji
Offline • 
Average response time: 1 hour

See my services

Database Development
I will optimize sql queries and improve database performance
From$15 / projectMore details

Portfolio

Work experience

Cognizant

SQL Developer

Cognizant • Full-time

Nov 2020 - Oct 2025 • 4 yrs 11 mos

Developed complex SQL queries and PL/SQL programs for healthcare systems. Implemented indexing strategies, improving system performance by 30%. Collaborated with application teams to integrate database logic with APIs. Maintained database coding standards and ensured high code quality. Optimized long-running queries, reducing execution time from minutes to seconds. Handled large-scale datasets (5M–15M records), ensuring efficient processing.