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Sanjana Kolli

@sanjanakolli

Data Engineer at Tata Consultancy Services who redesigned a stored-procedure workload from ~22 hours to under 5 minutes.

India

Message

At Tata Consultancy Services, I built data-processing solutions with Python, SQL, Talend and AWS services, and led the transition of 20 enterprise ETL pipelines with zero post-transition critical incidents. I also redesigned a stored-procedure workload, reducing its runtime from ~22 hours to under 5 minutes.

At WokeGenics Solutions Pvt. Ltd., I managed enterprise support cases across client accounts and used dashboards, KPI reporting and issue trends to identify recurring problems and account risks. I also co-developed a Python dashboard for monitoring AWS Step Functions workflows and their execution logs.

Experience

Work history, roles, and key accomplishments

Client Relationship Manager

WokeGenics Solutions Pvt. Ltd.

Sep 2023 - Jan 2026 (2 years 4 months)

Managed enterprise support cases and service requests across 5+ client accounts, sustaining 95%+ client satisfaction. Used performance dashboards, KPI reporting and issue trends to identify recurring problems, account risks and operational improvement opportunities.

Customer Relationship Management KPI Reporting Performance Dashboards Root Cause Analysis Stakeholder Management Requirements Analysis SOP Development Knowledge Management Interviewing Product Management Cross Functional Collaboration

Assistant System Engineer

Tata Consultancy Services

Dec 2021 - May 2023 (1 year 5 months)

Led transition of 20 high-stakes enterprise ETL pipelines within 7 months with zero post-transition critical incidents. Monitored and troubleshot 500+ integration pipelines, performing root cause analysis across data-processing workflows and production issues.

Trainee Analyst

Savantis Solutions

Nov 2020 - Jul 2021 (8 months)

Resolved 50+ weekly L1/L2 incidents and service requests while maintaining a 90%+ SLA resolution rate. Used SSH and CLI-based troubleshooting to diagnose enterprise technical issues and support production environments.