Dynamic Trading Web Application
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Summary
Developed a dynamic trading web application as part of Harvard University's 'Introduction to Computer Science' online course.
SAMPATH SAKKHARI
ETL Tester | Data Integration Specialist
Hyderabad, IN.About
Highly analytical and results-driven ETL Tester with 2.6 years of experience in data integration and quality assurance, specializing in SQL, Snowflake, and AWS Cloud technologies. Proven ability to streamline data deployment processes, optimize database operations, and ensure seamless ETL workflows, significantly enhancing data integrity and system efficiency. Adept at collaborating with cross-functional teams in fast-paced, client-facing environments to resolve complex technical issues and drive operational excellence, seeking to leverage expertise in an impactful ETL role.
Work
Cognizant Technology Services
|ETL Tester
Hyderabad, Telangana, India
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Summary
As an ETL Tester at Cognizant Technology Services, Sampath validated data integrity and optimized ETL pipelines across various testing phases, ensuring robust data integration solutions.
Highlights
Designed and executed comprehensive test plans, cases, and regression suites for complex ETL pipelines, leveraging SQL and Snowflake to validate data integrity across staging and target Data Warehouses.
Analyzed diverse source systems, staging areas, and DWH tables (Fact and Dimension) to identify data discrepancies and ensure accurate data transformation, maintaining high data quality standards.
Authored detailed Test Strategies and Test Plans, alongside comprehensive Test Cases, standardizing testing protocols for complex ETL workflows to enhance accuracy and efficiency.
Utilized expertise in SQL to effectively query and test various RDBMS (Oracle, MS SQL Server), ensuring robust data quality and optimal performance for critical data pipelines.
Provided critical support for AutoSys job monitoring and troubleshooting, resolving failed data pipelines to minimize downtime and ensure continuous data flow and operational continuity.
Cognizant Technology Services
|Technical Support Engineer
Hyderabad, Telangana, India
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Summary
As a Technical Support Engineer at Cognizant, Sampath led the deployment of software and web applications, streamlining processes and enhancing system stability through proactive maintenance and issue resolution.
Highlights
Led the successful deployment of multiple software programs and web applications, standardizing deployment practices across projects to significantly enhance efficiency and consistency.
Managed comprehensive software inventory and executed proactive patch management, ensuring all systems were up-to-date with the latest security patches and minimizing vulnerability risks.
Resolved complex deployment issues through collaborative efforts with cross-functional IT teams, including Networking and Security, ensuring seamless project execution and system stability.
Developed automation scripts for critical deployment tasks, such as application installations and user migrations, reducing manual effort and accelerating project timelines.
Conducted detailed workflow analysis and cost comparison studies, providing data-driven insights that optimized resource allocation and informed strategic system upgrade decisions.
Education
Gayatri Vidya Parishad College Of Engineering
Visakhapatnam, Andhra Pradesh, India
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Bachelor of Technology
Mechanical Engineering
Grade: 8.05 CGPA
Skills
Tools
AutoSys, JIRA, Snowflake, SQL Developer, Linux.
Databases
PostgreSQL, Oracle, Snowflake.
Programming Languages
SQL, Python, Flask.
Concepts
Data Warehousing, Process Mining, Data Pipelines, Business Process Analytics, Metadata, Star Schema, Snowflake Schema, Fact Tables, Dimension Tables, Integration Testing, Functional Testing, Regression Testing, System Testing, Load Testing, UAT Testing, Test Strategy, Test Plan, Test Cases, RDBMS, Agile Methodologies, Sprint Planning, Daily Scrums.
Soft Skills
Team Collaboration, Stakeholder Communication, Process Ownership, Problem Solving, Client-Facing.