Vikrant Jaswal

Built data-driven backend systems using Python, Java/Spring Boot, and SQL, integrating predictive logic and anomaly checks during authentication and transaction flows. Developed secure data pipelines for a PHP/MySQL voting platform with OTP email verification, ensuring accurate user identity and high data integrity. Implemented RBAC and fraud-resilient logic, reducing unauthorized activity by 30%. Engineered a scalable Java socket-based HTTP server to process 1,000+ concurrent requests, improving throughput and response time by 40%.

Identified data anomalies and mismatches by comparing large datasets, performed SQL-based quality checks, and documented discrepancies. Created source-to-target mappings, data dictionaries, and flow diagrams for migration/integration projects. Investigated transaction-like data, validated JSON streams, and detected inconsistencies in merchant/system exchanges. Collaborated with Azure data workflow teams to support pipeline planning and improve data accuracy. Communicated findings, defect logs, and impact analysis to senior stakeholders to enable informed decisions.