Rankush

Senior Data Engineer with 5+ years of experience designing scalable data platforms, distributed ETL systems, and cloud-native migration solutions across AWS and Azure environments. Strong expertise in Python, SQL, PySpark, and large-scale data migrations. Proven track record of reducing processing time by 75%, migrating 1,000+ tables with zero downtime, and maintaining 99.9% pipeline reliability across enterprise-scale systems.

Experienced in end-to-end ownership, client-facing solution delivery, and AI-powered application development.

Senior Data Engineer at AppInventiv (2025-09 – Present)

Lead end-to-end data engineering solutions from requirement discussions to production deployment for enterprise client projects

• Architected and executed multi-tenant MySQL-to-PostgreSQL migration for 500+ tables and 850+ tenants using a replica-based strategy with zero production downtime
• Reduced end-to-end pipeline processing time by 75% through PySpark optimization and FastAPI service tuning across distributed workloads
• Improved operational stability by reducing pipeline failures by 40% through automated monitoring, alerting, and RCA workflows
• Built scalable cloud-based data integrations across AWS and Azure supporting 10+ business units
• Collaborated directly with clients on solution architecture, technical planning, migration strategies, and proof-of-concept implementations

Data Engineer at DXC Technology (2021-01 – 2025-09)

• Built and maintained enterprise ETL pipelines for 1,000+ tables with 99.9% operational reliability
• Reduced analytical processing time from 6+ hours to 15 minutes, saving approximately 180 engineering hours monthly
• Modernized legacy IBM mainframe data systems into scalable cloud-native pipelines, improving data refresh performance by 3x
• Automated reporting and operational workflows, eliminating 15+ hours of repetitive manual effort weekly
• Improved data reliability through proactive monitoring, issue triage, and production support for critical enterprise pipelines

Bachelor of Technology (B.Tech.) in Computer Science – Amity University (2017 – 2021)