Sarita Subedi

Student at University of Houston

Role: Data Engineer at Mastercard
Location: Houston, TX, US
LinkedIn followers: 500 followers

Information TechnologyView LinkedIn profile

About Sarita Subedi

I’m a Data Engineer with 6+ years of experience building scalable, cloud-native data…

Experience

Data Engineer
Mastercard
Sep 2023 — Present · Houston, TX, US
Designed and delivered scalable big-data solutions supporting large-scale transactional and marketing analytics. Built batch and near–real-time data pipelines using Python, PySpark, Spark, and SQL, and architected cloud-native data platforms on AWS (S3, EMR, Glue, Lambda). Implemented and optimized Snowflake data warehouse solutions to power high-performance reporting and advanced analytics. Focused on data quality, governance, and security in regulated environments, while partnering with cross-functional teams to translate business needs into reliable, production-grade data systems. Key Contributions & Impact-Architected scalable batch and real-time data pipelines processing high-volume multi-source data -Built and optimized ETL/ELT frameworks using Spark, PySpark, Python, and SQL -Designed AWS cloud data architecture ensuring fault tolerance, scalability, and secure access -Implemented and tuned Snowflake data warehouse for faster analytics and reporting performance -Improved system efficiency through Spark, SQL, and cloud workload performance tuning -Established data quality, validation, and governance controls across the data lifecycle -Ensured compliance with PCI, GLBA, SOX, and enterprise data security standards -Partnered with data science, analytics, and product teams to deliver business-driven data solutions -Mentored junior engineers and promoted best practices in cloud data engineering and modeling -Enabled AI and advanced analytics use cases with reliable, feature-ready datasets

Contact information

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Current company

Mastercard

Information Technology & Services · 36K employees · Founded 1966

Mastercard Inc. is a prominent American multinational technology company that specializes in global payment card services. Founded in 1966 and headquartered in Purchase, New York, Mastercard connects consumers, financial institutions, merchants, governments, and businesses across over 210 countries and territories. The company operates a capital-light model focused on processing electronic payments, rather than issuing cards or providing consumer loans directly. Mastercard offers a wide range of payment solutions, including core payment processing through the Mastercard Network, which handles transactions for credit, debit, and prepaid cards. The company also provides digital and real-time payment services, security and fraud prevention solutions, and data analytics and advisory services. With a diverse customer base that includes banks, merchants, consumers, and government entities, Mastercard facilitates secure and accessible financial transactions worldwide, serving more than 37 million businesses globally.

mastercard.com

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