Vinay Kumar Singh

Develop, test, and maintain backend applications using Python Write clean, efficient, and reusable code following best practices Work with APIs, databases, and cloud-based services Collaborate with frontend developers, QA teams, and product managers Debug, troubleshoot, and optimize existing systems Participate in code reviews and continuous improvement processes Automate repetitive tasks and improve system efficiency

Utilized Python for data cleaning, validation, and analysis of large operational datasets to improve accuracy and reporting efficiency. Developed Python scripts to automate repetitive tasks such as data formatting, reconciliation, and report generation, reducing manual effort and turnaround time. Created and maintained Excel-based dashboards using Pivot Tables, VLOOKUP/XLOOKUP, IF formulas, and charts to track daily, weekly, and monthly performance metrics. Performed data validation and quality checks on AI-flagged records (Digit Field Walk process), ensuring correctness of system outputs. Supported Closeout Process by analyzing technician scheduling, service rates, and purchase order data to identify discrepancies and optimize workflows. Prepared automated reports and MIS using a combination of Python and Advanced Excel, improving visibility for stakeholders. Actively worked on JIRA for ticket management, including incident tracking, task updates, status changes, and resolution documentation. Used Tableau to create basic dashboards and visual reports for performance tracking, trend analysis, and management review.