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Nikhil Reddy Pothuganti

@nikhilreddypothugant

Principal Data Systems Engineer at Oracle who fixes query optimizer defects and automates database diagnostics.

At Oracle, I investigated query optimizer defects by tracing execution behavior, evaluating plans and cost calculations, and debugging code with GDB. I reproduced production issues, implemented corrections, and enhanced logs and traces to make troubleshooting more effective.

At Teradata, I engineered components of the TeraCloud SQL engine, extending SQL syntax and contributing changes across Syntaxer, Parser, and Resolver. I also developed diagnostic utilities and change-control automation, reducing manual intervention and process cycle time by 60%.

Experience

Work history, roles, and key accomplishments

OR

Principal Data Systems Engineer

Jan 2024 - Oct 2026 (2 years 9 months)

Investigated optimizer component defects and traced query execution to resolve performance issues. Developed diagnostic automation tools and promoted adoption across teams, reducing debugging time by at least 25%.

C C++Python Perl XML XSL GDB Query Optimization SQL Engine Diagnostics Automation Linux Distributed Systems

TE

Software Engineer

Aug 2019 - Dec 2023 (4 years 4 months)

Engineered core components of Teradata's cloud-based SQL engine, introducing new SQL syntax and enhancing features. Delivered fixes for production incidents and customer-reported defects.

C C++SQL Linux GDB Query Optimization Syntaxer Parsers Resolver Distributed Systems

TE

Change Control Specialist

Jun 2015 - Aug 2019 (4 years 2 months)

Applied database and OS patches, performed root cause analysis, and automated change control processes, reducing cycle time by 60%.

Linux Shell Scripting Oracle Database Patching Root Cause Analysis Automation

Education

Degrees, certifications, and relevant coursework

VE

Vasavi College of Engineering

Bachelor of Engineering, Computer Science

2010 - 2014

Bachelor of Engineering in Computer Science from Vasavi College of Engineering, Hyderabad, from 2010 to 2014.

TE

Teradata

Teradata 14 Certified Professional, Database

Teradata 14 Certified Professional certification.

Tech stack

Software and tools used professionally

Python

Markdown

Perl

C++

C

XML

Git

SQL

Availability

Looking for a job

Location

India

Authorized to work in

Salary expectations

5019k+ INR

Social media

Job categories

Data Systems Engineering Software Engineer

Skills

Database Internals Query Optimization Engineer SQL Engines Database Architecture Distributed Systems C C++Python SQL Perl Query Performance Tuning Execution Plan Analysis Cost Estimation Syntaxer Development Parser Development

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