Koushik Bhattacharya-/- / Bankura, India
Experience
Power BI Developer
Tata Consultancy Services (TCS) • Kolkata, India
06/2019 - Present
Specializing in managing visually compelling reports and dashboards that simplify complex data models.
Develop precise data models & integrate diverse data sources, utilizing advanced DAX calculations. Jun 2019 Present.
Craft customized Power BI reports and dashboards, highly optimizing performance, ensuring security compliance
& troubleshooting issue as integral aspects of my job role. Emphasize version control, staying updated with the
latest features & conducting rigorous testing to deliver impactful data insights.
Produced monthly reports using advanced Power BI report & Power BI Dashboard.
Conducted data modeling, performance and integration testing. Developed & enhanced reports connecting to
single or multiple data sources to improve performance.
Monitored & troubleshooter data source systems for data flaws & errors and upstream data issues.
Provided reporting analysis & insights about sales drivers & key revenue performance metrics to support
corporate analysis. Transformed project data requirements into project data models.
Coordinated statistical data analysis, design and information flow.
Completed daily process adjustments to maintain accuracy. Updated aging reports based on daily audits.
Proven experience in working with Big Data technologies and specifically strong proficiency in Power Query.
Analyst
Tata Consultancy Services (TCS) • Kolkata, India
07/2018 - 05/2019
Specialized in TCS BaNCS tool for big data analysis and quality assessment.
Extracted critical insights using mainframe queries & generated insightful excel reports.
Demonstrated a strong command of the TCS BaNCS tool, leveraging it extensively for data analysis & ensuring
data quality.
Optimized process through the extraction data via mainframe queries and the creation of excel reports.
Streamlined knowledge transfer and promoted quality assurance to assess accuracy of data.
Perform system analysis, documentation, testing, implementation & user support for platforms transitions.
Document procedure & business process & shared information with appropriate stakeholders.
Identified & resolved problems through root cause analysis and research.
Claim Analyst
Tata Consultancy Services (TCS) • Kolkata, India
09/2017 - 06/2018
Optimize claim operations with TCS BaNCS.
Master KYC verification, conduct rigorous quality analysis & leverage EQUIFAX data effectively.
Processed & recoded new policies & claims.
Modified, updated & processed existing policies.
Calculated adjustments premiums & refunds.
Checked documentation for accuracy & validity on updated systems.
Skills
Microsoft Power BI, Microsoft Advanced Excel, Microsoft sql server, Python, R, Tableau, Data analysis skills, ServiceNow,
Power Query, DAX, Data Warehouse, Data Cleansing, Data Transformation, ETL (Extract Transform Load), Data
Modeling, Data Visualization, Data Processing, Row Level Security, AWS Redshift, Power BI Dashboard, Power BI Report,
Power BI Service, API Connection, Team Management, Stakeholders Management
Education
Post Graduate Program on Advanced Certification in Data Anal
Indian Institute of Information Technology - Kanpur • Kanpur, India
11/2024
Pursuing
Business Administration
Burdwan University • Burdwan, India
05/2017
CGPA - 55%
Diploma in Computer Applications
National Institute of Information Technology- Durgapur • Durgapur, India
06/2015
CGPA - 70%
Languages
English, Hindi, Bengali
Certificates
Microsoft PL- 300 Microsoft Certified Data Analyst Associate
Awards
Best Performer Award - 2018 - 2019, Best Performer Award - 2021 - 2022, Data Mining Space Xcelearate Warrior Award
- 2021, Star Performer of the month - 2023
