Vignesh B

Vignesh B

Data curator
India
Tamil, English
Full-time Hybrid

About Me

Data Analyst with hands-on experience in ETL pipeline operations large scale data ingestion. Skilled in SQL, Python and Power BI with a track record of improving data quality and reducing processing overhead. Experienced…

Experience

Data Curator

LightCast India Private Limited Company · Chennai , Tamil Nadu , India
Apr 2025 - Present · 1 year 7 months

<p>Managed end-to-end release cycles for labor market and job postings datasets, ensuring 100 percent on-time delivery across monthly data products.</p><p> Streamlined data verification processes reducing manual review time by 30 percent through process optimization.</p><p> Resolved high-volume client support tickets by identifying data anomalies and implementing quick solutions achieving a 95 percent reduction in resolution time.</p><p> Investigate and resolve data related issues by collaborating with internal teams significantly improving ticket resolution turnaround time.</p>

Data Aggregation Associate

LightCast India Private Limited Company · Chennai , Tamil Nadu , India
Aug 2024 - Apr 2025 · 8 months

<p>Performed rigorous data cleaning, error correction and validation on large datasets to maintain strict data quality benchmarks.</p><p> Optimized critical data aggregation workflows using AWS Athena directly improving data extraction speeds and query performance.</p><p> Collaborated with cross-functional teams and Engineering teams ensuring 99 percent accuracy in project deliverables and utilized Databricks and Jira for efficient data processing and project tracking.</p>

Data Analyst Intern

Unified Mentor Private Limited · Mumbai Suburban , Maharashtra , India
Mar 2024 - Apr 2024 · 1 month

<p>Performed exploratory data analysis (EDA) on large datasets using SQL and Python to identify trends and patterns.</p><p> Developed interactive dashboards and reports in Power BI to visualize key performance indicators and support decision-making.</p><p> Supported ad-hoc analysis requests and documented findings for business review.</p>

Skills

Python Pandas NumPy Matplotlib SQL Statistics Power BI DAX Power Query Advanced Excel PivotTables VLOOKUP XLOOKUP Macros Google Sheets Databricks AWS Athena ETL Jira Data Analysis Data Aggregation Data Modeling Data Visualization Data Cleaning Reporting Collaboration Attention to Detail Time Management Stakeholder Communication
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