Headline

Data Analyst at Cognizant | Snowflake | SQL | Python | Power BI | ETL | Data Reconciliation & Transforming Data into Insights

About

I am a Data Analyst with 3+ years of experience in data analytics, data engineering, and business intelligence, currently working with Cognizant Technology Solutions. I specialize in transforming raw data into reliable, actionable insights that support smarter business decisions and scalable operations. With a strong foundation in analytics and engineering, I bring a results-driven approach to solving complex data challenges. My core expertise includes SQL, Python, Snowflake, Power BI, ETL pipelines, data reconciliation, data validation, and reporting automation. I have hands-on experience working with large-scale datasets, optimizing queries, troubleshooting pipeline issues, and improving data quality across enterprise systems. I am also comfortable working in Agile/Scrum environments and collaborating with cross-functional stakeholders to deliver business-focused solutions. Throughout my career, I have delivered measurable impact by automating data quality checks that reduced manual effort by 40%, while improving accuracy across 10M+ records. I have successfully ensured 100% data consistency between Snowflake and downstream systems through advanced reconciliation processes. In addition, I have built dashboards that enhanced reporting visibility and KPI tracking for business teams. What I bring to organizations is a combination of analytical thinking, technical expertise, attention to detail, and a proactive mindset. I enjoy identifying opportunities for efficiency, solving data problems, and enabling data-driven growth. I’m always open to connecting with professionals in data analytics, business intelligence, and data engineering, and exploring opportunities where I can create meaningful impact.

Location

Ghaziabad

AI stack

cursor

hugging face

notion

openai

Work experience

Data Analyst at Cognizant, Jan 2024 - Present · 2 yrs 6 mos, Noida, Uttar Pradesh, India · Hybrid, • Performed large-scale data reconciliation between Snowflake and downstream systems, ensuring 100% data consistency across enterprise platforms. • Developed and optimized complex SQL queries to support data extraction, validation, and performance improvement. • Troubleshot ETL pipeline issues to maintain uninterrupted data flow and improve overall system reliability. • Collaborated with cross-functional business and technical teams in Agile/Scrum environments to deliver data-driven solutions. • Enhanced reporting accuracy by identifying data anomalies and implementing corrective actions.

Data Analyst Trainee at Cognizant, Jan 2023 - Jan 2024 · 1 yr 1 mo, Noida, Uttar Pradesh, India · Hybrid, • Conducted root cause analysis (RCA) on data inconsistencies across Snowflake pipelines and AWS source systems. • Automated data quality checks using Python, including duplicate detection and country code validation. • Reduced manual effort by 40% while improving accuracy across 10M+ records. • Supported data migration and validation processes to ensure reliable data delivery. • Assisted teams in maintaining compliance with internal data governance standards.

Data Analyst Intern at Cognizant, Feb 2022 - Aug 2022 · 7 mos, Noida, Uttar Pradesh, India, • Developed Python scripts to extract, clean, and preprocess data from Snowflake for analytics workflows. • Built Power BI dashboards to track 5+ key business KPIs and improve reporting visibility. • Assisted in data quality checks to improve dataset accuracy and consistency. • Supported senior analysts with reporting, dashboard enhancements, and business data requests. • Contributed to timely delivery of analytics insights for decision-making teams.

Education

Bachelor of Technology - BTech, Electronics and Communication Engineering, ABES Engineering College