Data Science Engineer

Sai Teja Keerty

West Haven, Connecticut +1-203-***-**** *******.******@*****.*** Linkedin

WORK EXPERIENCE TOWN FAIR TIRE Connecticut, USA

Data Science Intern Jan 2024-Dec 2024

● Optimized Spark data processes and migrated from SQL to PySpark, achieving a 50% reduction in web app display time.

● Orchestrated multiple concurrent processes on Spark, effectively mitigating SQL resource deadlocks and improving system performance.

● Analyzed customer data using SQL, leading to the development of a rewards program based on annual visits, resulting in a 3% increase in customer retention.

● Developed Power BI dashboards to enhance debt visualization, integrating stakeholder feedback to identify and track key performance metrics.

● Researched and engineered the deployment of Apache Kafka and Spark, successfully setting up development, test, and production environments from scratch.

● Implemented Git, Grafana, Prometheus, and Apache Airflow independently, enabling comprehensive monitoring, alerting, task scheduling, and automated backups, thus streamlining workflows and enhancing system reliability. Tata Consultancy Services Hyderabad, India

System Engineer (Data Engineer) Jul 2021-Jul 2022

● Managed real-time data inBigQuery, empowering clients with reliable insights for impactful advertising, leading to a 25% increase in new clients.

● Increased productivity by 12% by automating sales reports using Python and Airflow, processing 10 million customer records

● Deployed scalable cloud pipelines using GitLab and Terraform, ensuring seamless production migration and achieving a 30% efficiency gain and 20% improved decision-making.

● Streamlined ASCII to CSV conversion for establishing ETL processes, enhancing data processing speed by 30% and accuracy by 25%.

Assistant System Engineer Jul 2019-Jul 2021

● Performed UAT in BigQuery, achieving 98% data accuracy after migrating from legacy systems to CDH.

● Improved report delivery by creating impactful Power BI visuals based on in-depth SQL analysis.

● Innovated sales strategies targeting the top 20% of high-value users with advanced SQL queries, driving significant revenue growth. CERTIFICATIONS Certified GCP Data engineer (PDE, GCP) Nov 2022

Associate cloud engineer certification (ACE, GCP) May 2021 EDUCATION University of New Haven Connecticut, CT

MS in Data Science (GPA 3.7/4) Aug 2022 May 2024

Relevant Coursework: Machine Learning for data science, Data Management, Data Engineering Andhra Pradesh, India Bachelor of technology, Mechanical Engineering, Pragati Engineering College Jul 2015-May 2019 SKILLS Languages and ML Libraries: SQL, Python, R, PySpark, Pandas, NumPy, Scikit-Learn. Databases and Tools: MySQL, TSQL, Power BI, Tableau, Excel, Jupyter-lab, Git, Quicksight. Cloud Development and other skillset: Devops, Apache Spark, Drill Airflow, AWS S3, EC2, UAT testing, GCP, Terraform, CI/CD, Kubernetes, AWS, Azure, Networking, Linux, Prometheus, Grafana LEADERSHIP & INVOLVEMENT

Experienced in engaging in university events, building relationships across academic levels. Skilled in volunteering for orientation days and mentoring junior students, fostering a supportive network for university-related assistance, including accommodation arrangements through University.

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