Greetings! I'm Sanjiv Kumar, a seasoned Senior Data Engineer Specialist with over 10+ years of experience in architecting and optimizing data solutions. My career is built on a foundation of technical excellence and a passion for transforming raw data into actionable insights that drive business success. **Professional Experience** As a Senior Data Engineer at Cardinal Health and Bosch Global Software Technologies , I spearhead the design and implementation of robust, scalable data architectures. My role encompasses end-to-end data pipeline development, from data ingestion and processing to storage and analytics. I thrive in dynamic environments, consistently delivering high-quality data solutions that meet the evolving needs of the business. **Technical Proficiency** - **Programming Languages**: Advanced proficiency in Python, SQL, and Advance Python, with a strong focus on writing efficient, maintainable code. - **Big Data Technologies**: Extensive experience with Hadoop, Spark, and Kafka, enabling the processing of petabyte-scale datasets with high performance. - **Cloud Platforms**: Expertise in AWS, Azure, and Google Cloud Platform, including services like AWS Redshift, Azure Synapse, and Google BigQuery. - **Databases**: Mastery of both relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra) databases, ensuring optimal data storage and retrieval. - **ETL Tools**: Proficient in using Apache NiFi, Talend, and Informatica for seamless data integration and transformation. **Key Achievements** - Led the successful migration of a monolithic data warehouse to a microservices-based cloud architecture, reducing data processing time by 40% and operational costs by 30%. - Architected a real-time data streaming pipeline using Apache Kafka and Spark Streaming, achieving a 60% improvement in data latency and enabling real-time analytics. - Implemented advanced data governance and quality frameworks, ensuring data accuracy, consistency, and compliance with industry standards. - Mentored and developed a team of junior data engineers, fostering a culture of continuous learning and innovation. **Why Choose Me?** I am dedicated to leveraging cutting-edge technologies and best practices to build data solutions that not only meet but exceed business expectations. My approach is holistic, considering both technical and business perspectives to deliver solutions that are robust, scalable, and aligned with strategic goals. I am committed to continuous improvement and staying at the forefront of the data engineering field. **Let's Connect!** I am eager to share my expertise and collaborate with like-minded professionals. Whether you need advice on a complex data engineering challenge, insights into the latest industry trends, or mentorship in your career journey, I am here to help. Let's connect and explore how we can drive data excellence together!