Feb 2023 – Nov 2025 · 2 yrs 9 mos

• Led hybrid-work data processing built entirely in Python using built-in libraries; integrated OpenStreetMap API to enrich legacy location data and resolve missing timezones.
• Implemented timezone conversion logic to map UTC login timestamps to local times with 99% accuracy, enabling clear distinction between same-day and next-day entries in local context.
• Analyzed and delivered 30+ complex analytical measures in Impala and SQL to power executive dashboards,facilitating KPI monitoring and identifying opportunities for improvement.
• Executed pytest-based unit and integration tests following TDD methodology to ensure code quality above 90% and prevent regressions.
• Streamlined GitLab CI/CD workflows for ETL deployments, slashing deployment duration by 60% and eliminating manual handoffs across weekly releases.
• Mentored a junior engineer, maintained backlog accuracy, and guided college interns through onboarding.

Aug 2021 – Jan 2023 · 1 yr 5 mos

• Optimized the unified ingestion framework by implementing API pagination, integrating MySQL connections, and improving special-character handling in file data, enhancing ingestion reliability by 25% and maintainability.
• Authored comprehensive test suites using pytest to validate edge cases, improving code coverage above 80% and reliability.
• Automated business and user KPIs dashboard periodic refresh using Python and PySpark scripts to generate measures, load into Oracle DB, and integrate with Grafana, reducing incident triage by over 30%.
• Established quarterly CSAT feedback process: gathered stakeholder and user input, prioritized resolutions, and increased CSAT score from 80% to 95%.

Feb 2021 – May 2021 · 3 mos · Bangalore Urban, Karnataka, India · Remote

• • Gained Hands on experience to build ETL pipelines in Python and PySpark with SQL to migrate legacy data into a centralized Hadoop data lake, improving reporting performance and data accessibility.

May 2020 – Jul 2020 · 2 mos · Hyderabad, Telangana, India · Remote

• Designed and developed Analytica using Python, Flask, React.js, HTML, and CSS to automate 200+ vendor response grading using NLP-based categorization algorithms, and created an interactive UI for vendor
• questionnaires.

Jul 2019 – Jul 2019 · 0 mo · Kolkata Area, India