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**Divyansh Yadav**
Bowling Green, OH
(419) 378-2895
divyanshyadav47@outlook.com
linkedin.com/in/divyansh-yadav-b7923214a
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**PROFESSIONAL SUMMARY**
Experienced Data Engineer with 5+ years in data engineering and software development. Skilled in building scalable, cost-efficient cloud-based solutions. Expertise in data pipelines, ETL processes, and machine learning model implementation. Proven success in optimizing costs, enhancing security, and improving operational visibility. Proficient in Python, AWS, Hadoop, and data warehousing.
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**WORK EXPERIENCE**
**Bowling Green State University**, Bowling Green, OH
*Research Assistant* — 08/2022 – 04/2024
- Led implementation of a resilient PySpark data pipeline for airline ranking insights.
- Developed a predictive flight delay model with 85% accuracy.
- Compared ML models (Linear Regression, Random Forest, XGBoost, etc.) for price prediction.
- Built a Transformer ML model achieving 90% accuracy in HLA prediction.
**Impetus Technologies**, Los Gatos, CA
*Senior Data Engineer* — 08/2018 – 08/2022
- **Marsh McLennan Cloud Migration**: Led team of 4 to migrate Teradata to Hive on AWS, improving efficiency with Spark and MongoDB.
- Transformed Teradata SQL into Hive HQL/PySpark for billion-row datasets.
- Reduced costs by 70% using Informatica BDM and CI/CD for S3 migration.
- **Data Platform Accelerator**: Built Python tool with Boto3/CloudFormation for AWS provisioning (EMR, S3, Redshift, etc.).
- Implemented data lineage (Apache Atlas/Ranger), cutting time-to-market by 50-80%.
- **SAAS Platform for Concentrix**: Automated migration via Shell Script/Jenkins, reducing time by 60%.
- Cut costs by 80% using serverless Kubernetes/Docker for TB-scale data processing.
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**EDUCATION**
**Bowling Green State University**, Bowling Green, OH
*Master of Science in Computer Science* — 08/2022 – 05/2024
**RGPV**, Bhopal, India
*Bachelor of Engineering in Computer Science* — 08/2014 – 05/2018
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**SKILLS**
- **Languages**: Python, Java, JavaScript, Scala, SQL, Shell Script
- **Cloud/AWS**: EMR, S3, Lambda, Redshift, Glue, Docker, Kubernetes
- **Big Data**: Spark, Hadoop, Hive, Airflow, Kafka, Data Lake/Warehouse
- **ML/AI**: PyTorch, Scikit-learn, Pandas, Predictive Analytics
- **Tools**: Git, Jenkins, Apache Atlas, Informatica, CI/CD
- **Certifications**: AWS Certified Solutions Architect Associate (Udemy)
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