Sivarama Prasad Data Engineer

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Senior Data Engineer

Skillnet India Pvt Ltd

Feb 2020 - Nov 2025 (5 years 10 months)

Led end-to-end Azure data engineering across multiple enterprise accounts — designing cloud-native architectures, mentoring junior engineers, and owning platform reliability from ingestion to analytics. • Architected a Medallion (Bronze/Silver/Gold) Data Lake on ADLS Gen2 powering 50+ downstream BI/ML workloads, reducing time-to-insight by 45% and eliminating on-premises storage costs. • Engineered 30+ ADF pipelines integrating batch and incremental loads from 15+ heterogeneous sources; slashed average pipeline latency by 40% through partitioning and parallel execution. • Built PySpark-based data quality validation framework with 200+ automated rules and reconciliation checks, achieving 99.9% data-accuracy SLA across production pipelines. •

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Technical Architect

Infosys Pvt Ltd

Nov 2015 - Jan 2020 (4 years 3 months)

Owned application administration and production support for a Fortune-500 retail enterprise — Oracle SOA, ODI, OSB, OBIEE, Siebel, and EBS across Pre-Production and Production environments. • Designed and executed High Availability / Disaster Recovery strategy achieving 99.95% uptime across Oracle middleware estate of 12 enterprise applications. • Led cloud migration of 6 legacy on-premises applications to Azure/AWS, reducing infrastructure TCO by 28% in the first year post-migration. • Automated 15+ operational workflows (deployments, restarts, monitoring) via Ansible + shell scripting, reclaiming ~20 engineer-hours/week. • Directed incident management and RCA process, reducing recurring P1 production incidents by 60% over 12 months throug

Sr. Software Engineer

Oracle India Pvt Ltd

Apr 2012 - Nov 2015 (3 years 8 months)

• Resolved 200+ critical performance bottlenecks in Oracle ERP using AWR, ASH, TKPROF, and execution-plan analysis, improving average query response by 55%. • Refactored 40+ PL/SQL packages and tuned RAC workload distribution, cutting Concurrent Manager queue backlog by 70%. • Led Oracle DB 11g and APEX 4.2 major upgrade with zero production downtime through meticulous regression and performance-validation protocols.

IT Analyst / Onsite Coordinator (US)

Tata Consultancy Services

Apr 2004 - Mar 2012 (8 years)

• Resolved 500+ Oracle EBS performance issues; implemented index optimization and partition strategies reducing batch run times by an average of 50%. • Served as US onsite coordinator, liaising with Oracle Support to fast-track 30+ SRs, cutting average patch resolution time from 3 weeks to 8 days. • Led offshore team of 8, managing task allocation across two time zones with 100% SLA adherence over 5 consecutive years.

Sivarama Prasad

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