Headline

Data Analyst at Cognizant | Snowflake | SQL | Python | Power BI | ETL | Business Analytics | KPI Reporting | 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

Work experience

Data Analyst at Cognizant, Jan 2024 - Present · 2 yrs 7 mos, Noida · Hybrid, ● Led end to end data validation, reconciliation, and quality assurance initiatives across Snowflake and 3+ downstream systems, improving reporting accuracy and enabling reliable business decision-making. ● Optimized 15+ SQL queries using indexing, CTE restructuring, and performance tuning, improving ETL pipeline efficiency by ~30% and enhancing enterprise data processing performance. ● Collaborated with AWS and Snowflake engineering teams to identify and resolve ETL pipeline failures, improving production stability, data reliability, and enterprise data availability. ● Partnered with business stakeholders, product owners, and cross-functional teams to gather requirements, define user stories, and support UAT activities, ensuring successful delivery of data-driven solutions. ● Developed SQL based KPI reporting solutions that improved visibility into operational performance and supported data driven decision making.

Data Analyst Trainee at Cognizant, Jan 2023 - Jan 2024 · 1 yr 1 mo, Noida · Hybrid, • Automated SQL and Python-based data quality checks across 10M+ records, reducing manual effort by 40% while improving reporting accuracy and data integrity. • Performed root cause analysis of ETL workflow failures within Snowflake environments, identifying recurring issues and supporting long-term reliability improvements. • Supported data sourcing, extraction, transformation, validation, and reporting activities across enterprise analytics projects. • Collaborated with cross-functional teams to ensure timely delivery of accurate datasets for reporting and business analysis. • Assisted in monitoring data quality metrics and implementing validation controls to strengthen governance and compliance standards.

Data Analyst Intern at Cognizant, Feb 2022 - Aug 2022 · 7 mos, Noida, • Developed interactive Power BI dashboards to track key performance indicators (KPIs) and business metrics, improving reporting efficiency and visibility for stakeholders. • Extracted, cleaned, and transformed data from Snowflake using Python-based workflows to support reporting and analytical requirements. • Assisted in data preparation, validation, and reporting activities, ensuring accuracy and consistency across datasets. • Supported business performance analysis by converting raw data into actionable insights and visual reports. • Collaborated with team members to streamline reporting processes and reduce manual effort through automation.

Education

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