Vidavaluru Vishnu Sai

As an Application Developer at IBM, my focus was on creating and maintaining robust applications that meet enterprise needs. The role involved working with multiple teams to design solutions that leverage technologies with a high ROI. Continuous improvement and optimization of existing application functionalities.

• I am working as PostgreSQL ADBA to support multiple team's database maintenance
• I have strong experience in writing database concepts and in writing complex SQL queries to validate data.
• I have worked with Python scripts to generate reports with SQL queries.
• Have a working understanding of the telecommunications industry.
• Created automation of generating reports using MS PowerApps and PowerAutomate
• Worked with Microsoft SQL Server Management Studio, IBM Data Studio, and Superputty.
• Utilized version control systems such as Git to manage source code changes.
• Collaborated with other developers to resolve issues related to application development process and data quality.
• Participated in code reviews to maintain high-quality software development standards.
• Worked with COBOL, JCL, and DB2 to support the mainframe application.
• Have a working knowledge of MVS, CICS, and other mainframe concepts.

In the role of Programmer Analyst at Cognizant, responsibilities included developing software solutions and analyzing systems to meet client requirements. Engaged in various projects that required a strong understanding of data management and programming principles. Collaborated closely with teams to ensure effective communication throughout the development lifecycle.

• Developed an ETL process to clean and transform data from legacy systems and load it into a data warehouse.
• Collaborated with the upstream and downstream teams concerning data integrity and end-to-end data reconciliation with the downstream applications.
• Worked with Python scripts to move data between environments.
• Worked with Informatica (Power Center and cloud), MySQL, Snowflake, Linux, Python, AWS S3, and DBeaver.
• Gained a strong knowledge of the insurance industry.
• Developed and executed complex SQL queries and established database checkpoints to ensure the accuracy of data quality, validate calculations, and conduct thorough reviews.
• Conducted in-depth testing of databases across multiple platforms, such as DB2, Snowflake, and MySQL.