Abishek D

Data Engineering and Application Support professional with experience across cloud data platforms, production pipeline operations, analytics support and software engineering. Skilled in building and maintaining Azure ELT pipelines (Azure Databricks, Delta Lake, Azure Data Factory) within Medallion / Lakehouse architectures, automating data quality with Great Expectations and Databricks DQX sustaining SLA-driven BI operations for enterprise stakeholders.

Microsoft Certified Fabric Data Engineer

Associate targeting Data Engineer, Data Engineering Support, BI Support, and Cloud Data Operations roles.

Junior Application Support Analyst at EPAM Systems (2024-04 – Present)

• Delivered BI and analytics support for Mars Inc., managing weekly and periodic Power BI Service data refresh operations across enterprise reports serving multiple business units and stakeholders.
• Supported and maintained production-grade Azure ELT pipelines within a Medallion (Bronze–Silver–Gold) Lakehouse architecture using Azure Databricks, Delta Lake, and Azure Data Factory orchestration, improving data availability and reliability across enterprise Power BI reporting environments.
• Resolved production incidents and performed root cause analysis (RCA) within SLA, improving PySpark and SQL pipeline code quality to reduce recurring data issues.
• Managed the incident resolution lifecycle through ServiceNow, achieving 100% closure rate while supporting SLA-driven BI and data platform operations; tracked enhancements and development tasks in JIRA.
• Automated recurring data validation workflows and authored data quality rules using Great Expectations and Databricks DQX, reducing data-quality incidents and strengthening data reliability and observability across pipelines.
• Executed cross-platform data migration projects with zero data loss and full validation coverage through automated data validation frameworks.

Junior Software Engineer at Peninsular Research Operation (2023-02 – 2024-01)

• Developed a campaign performance analytics dashboard centralizing key marketing metrics, enabling data-driven decisions and reducing reporting turnaround time.
• Resolved 30+ software bugs across multiple releases; maintained clean, standards-aligned code that reduced defect recurrence in subsequent Agile sprints.
• Built a PowerApps application with QR code integration to automate on-entry user tracking for events with up to 200 attendees, eliminating manual data entry processes.
• Implemented reactive form validation controls across multiple application forms, reducing user-submitted data errors.
• Leveraged GraphQL to optimize data submission and retrieval, reducing redundant API calls, and implemented reactive form controls to improve input validation accuracy.

Bachelor of Computer Science and Business Systems in Computer Science and Business Systems – SRM Institute of Science and Technology (2019-07 – 2023-07)