Kabilan N profile photo 1 on Tal

Kabilan N

Data Analyst @ Tata Consultancy Services | SQL | Azure Databricks | Python | Power BI | SAS | 2 x Microsoft Certified

Chennai

5+ years of work experience

Tata Consultancy Services
Mar 20251 yr 4 mosPresent

Chennai, Tamil Nadu, India

• Dealing with Protected Health Information (PHI) to develop new metrics for a U.S. healthcare and pharmacy client to support the integration of predictive models aimed at enhancing the consumer's experience. • Designed and maintained Databricks dashboards analyzing 50M+ healthcare records for medication adherence, prescription abandonment, and patient journey analytics, enabling data-driven decision-making for business stakeholders. • Refined SQL query performance for 10M+ patient records, cutting prescription abandonment analysis from 12+ hours to under 60 minutes. • Conducted Single Drug Analysis across retail and specialty medications, uncovering patient behavior patterns and abandonment trends. • Modernized the Specialty Metrics Power BI Dashboard by migrating its data source from Teradata (on-premises) to Databricks (Cloud), performing data validation and measure reconciliation. • Produced technical documentation covering metrics, calculations, and codebases to support knowledge transfer and onboarding.
Cognizant
Oct 20231 yr 6 mosMar 2025

Chennai, Tamil Nadu, India

• Created real-time Power BI dashboards, accelerating decision-making processes by 15% and saving 10 hours weekly on manual reporting tasks. • Implemented centralized dashboards to monitor key operational metrics across 50+ sites, reducing operational delays by 20%. • Developed a comprehensive performance tracking dashboard for service delivery, enabling better oversight of incidents, problem tickets, SLAs, and customer satisfaction for 10+ teams. • Extracted valuable insights from multiple applications, driving a 15% improvement in operational efficiency and supporting business growth initiatives.
Cognizant
Aug 20221 yr 2 mosSep 2023

Chennai, Tamil Nadu, India

• Contributed to the design and maintenance of performance monitoring dashboards, supporting service delivery teams in managing incidents, tickets, and customer satisfaction. • Analyzed data from various applications to uncover insights that led to improved business outcomes and more efficient operations.
Cognizant
Aug 20211 yr 1 moAug 2022

Chennai, Tamil Nadu, India

• Gaining hands-on experience in developing interactive dashboards using Power BI to transform complex data into actionable insights. • Learning to write SQL queries for extracting, managing, and analyzing data from databases, improving data handling and reporting skills. • Working on projects that involve building dynamic data visualizations to support data-driven decision-making.

Kabilan’s AI Stack

claude
claude
cursor
cursor
ChatGPT
ChatGPT
Microsoft Copilot
Microsoft Copilot

Education

sri krishna college of engineering and technology

Bachelor of Engineering - BE, Computer Science

sri krishna college of engineering and technology

20174 yrs2021

Higher Secondary

Adharsh Vidhyalaya Matriculation Higher Secondary

20152 yrs2017

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Headline

Data Analyst @ Tata Consultancy Services | SQL | Azure Databricks | Python | Power BI | SAS | 2 x Microsoft Certified

About

Data Analyst with 5 years of experience in Healthcare Analytics and Business Intelligence. Proficient in SQL, Python, Power BI, Azure Databricks, and SAS with expertise in data modeling, KPI reporting, dashboard development, and transforming complex healthcare datasets into measurable business insights. Currently working with Walgreens (US Healthcare) at TCS, delivering analytics solutions across medication adherence, prescription abandonment, and patient journey analytics on 50M+ records. 🏆 Key Highlights: - Reduced prescription abandonment query runtime by 90% (12+ hours → under 60 minutes) through SQL optimization on 10M+ records - Migrated Specialty Metrics Dashboard from Teradata (on-premises) to Databricks (Cloud) - Migrated Kidney Transplant Metrics from SAS on-premises to SAS Cloud with zero data loss - Built healthcare dashboards supporting medication adherence and patient journey analytics 📜 Certifications: - Microsoft Certified: Power BI Data Analyst Associate (PL-300) - Microsoft Certified: Azure Data Fundamentals (DP-900) - Licensed Data Science Professional – Odin School

Location

Chennai

AI stack

claude

cursor

ChatGPT

Microsoft Copilot

Work experience

Data Analyst | Systems Engineer at Tata Consultancy Services, Mar 2025 - Present · 1 yr 4 mos, Chennai, Tamil Nadu, India, • Dealing with Protected Health Information (PHI) to develop new metrics for a U.S. healthcare and pharmacy client to support the integration of predictive models aimed at enhancing the consumer's experience. • Designed and maintained Databricks dashboards analyzing 50M+ healthcare records for medication adherence, prescription abandonment, and patient journey analytics, enabling data-driven decision-making for business stakeholders. • Refined SQL query performance for 10M+ patient records, cutting prescription abandonment analysis from 12+ hours to under 60 minutes. • Conducted Single Drug Analysis across retail and specialty medications, uncovering patient behavior patterns and abandonment trends. • Modernized the Specialty Metrics Power BI Dashboard by migrating its data source from Teradata (on-premises) to Databricks (Cloud), performing data validation and measure reconciliation. • Produced technical documentation covering metrics, calculations, and codebases to support knowledge transfer and onboarding.

Data Analyst | Associate at Cognizant, Oct 2023 - Mar 2025 · 1 yr 6 mos, Chennai, Tamil Nadu, India, • Created real-time Power BI dashboards, accelerating decision-making processes by 15% and saving 10 hours weekly on manual reporting tasks. • Implemented centralized dashboards to monitor key operational metrics across 50+ sites, reducing operational delays by 20%. • Developed a comprehensive performance tracking dashboard for service delivery, enabling better oversight of incidents, problem tickets, SLAs, and customer satisfaction for 10+ teams. • Extracted valuable insights from multiple applications, driving a 15% improvement in operational efficiency and supporting business growth initiatives.

Programmer Analyst at Cognizant, Aug 2022 - Sep 2023 · 1 yr 2 mos, Chennai, Tamil Nadu, India, • Contributed to the design and maintenance of performance monitoring dashboards, supporting service delivery teams in managing incidents, tickets, and customer satisfaction. • Analyzed data from various applications to uncover insights that led to improved business outcomes and more efficient operations.

Programmer Analyst Trainee at Cognizant, Aug 2021 - Aug 2022 · 1 yr 1 mo, Chennai, Tamil Nadu, India, • Gaining hands-on experience in developing interactive dashboards using Power BI to transform complex data into actionable insights. • Learning to write SQL queries for extracting, managing, and analyzing data from databases, improving data handling and reporting skills. • Working on projects that involve building dynamic data visualizations to support data-driven decision-making.

Education

Bachelor of Engineering - BE, Computer Science, sri krishna college of engineering and technology

Higher Secondary, Adharsh Vidhyalaya Matriculation Higher Secondary