Rohit Jangir Email & Phone Number

Gurugram, HR, IN

India

• Provide support for the AWS Data Lake ecosystem, ensuring data management and integration.
• Design and implement ELT workflows based on project requirements and collaborate with architecture teams to select optimal technologies.
• Led the migration of EMR 6.5 jobs to EMR Serverless 6.11, optimizing performance and scalability.
• Work on new project requirements and architect solutions with a focus on cost efficiency and scalability.
• Focus on cost optimization within AWS by refining Spark code and streamlining data pipelines.
• Collaborate with teams to select the best technologies for a hybrid cloud model using AWS and on-premise infrastructure.

India

• Established and implemented Apache Ambari for Hadoop cluster management and monitoring.
• Designed and developed ETL pipelines using PySpark to process large datasets across various platforms.
• Integrated multiple RDBMS with HDFS and Hive for seamless ETL operations.
• Built scalable, cloud-based and on-premise architectures capable of handling terabytes of data using Big Data technologies.
• Set up Apache Superset for the data analytics team, reducing BI tool costs by introducing open-source alternatives.
• Created CI/CD pipelines with GitHub to automate data processing workflows.

Delhi, India

• Designed and developed ETL solutions for retail analytics using Big Data technologies.
• Led the creation of high-level and low-level designs for a scalable data platform, overseeing its implementation and deployment.
• Managed the full data development lifecycle, from design and development to deployment and testing.
• Developed Oracle, Python, and PySpark scripts to implement GDPR compliance on sensitive data.
• Integrated PostgreSQL with Python for customer payment withdrawal analysis.
• Performed bulk and incremental ETL loads from Oracle to PostgreSQL with task scheduling.

Gurgaon, India

• Developed ETL solutions and data science models for the food industry.
• Preprocessed and optimized machine learning models and created data visualizations (Python, scatter plots, pie charts).
• Worked with large, structured and unstructured datasets, uncovering insights and optimizing Spark, Hive, and SQL queries.
• Developed Rule-based Chatbots using NLTK and enhanced Q&A models with NLP techniques, including spelling correction.
• Analyzed unstructured server logs for web traffic analysis and applied clustering.

Gurugram, Haryana, India

• Received comprehensive training on the operation and management of production lines specializing in vehicle nozzle manufacturing.
• Developed and maintained production charts to streamline operations and ensure efficiency across various stages of the production process.
• Managed and updated daily operational records using Excel, ensuring accurate data tracking and reporting for production teams and management.
• Collaborated with senior engineers to identify areas for improvement in production workflows and implement process enhancements.
• Gained hands-on experience in process optimization, quality control, and data management in a high-volume manufacturing environment.