Nilesh Kumar

Experience

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  Cognizant

  Mar 2022 - now

  I possess good experience in utilizing Python for a diverse range of programming tasks:Regular expressions: Crafting efficient patterns for data extraction, validation, and manipulation.Concurrency: Optimizing performance using multithreading and multiprocessing techniques.Bash scripting: Automating repetitive tasks, managing file systems, and streamlining workflows.ETL pipelines: Designing and implementing efficient data extraction, transformation, and loading processes.Data integration: Seamlessly fetching and processing data from PostgreSQL.Graph analysis: Building and analyzing complex relationships with the NetworkX library.Excel generation: Generating and manipulating Excel files for effective data visualization and reporting. Show less Skills Learned:Python Programming: Gained proficiency in Python, a versatile programming language used for data analysis, automation, and machine learning.Data Management and Warehousing: Deepened understanding of databases, data warehousing (OLAP, OLTP), and data pipelines (ETL, ELT).Big Data Technologies: Gained hands-on experience with Apache Spark, Kafka, and Hadoop ecosystem (HDFS, MapReduce, DataNodes, Sqoop, Hive, Pig) for large-scale data processing and storage.Hands on: Developed and implemented data pipelines using Python and Apache Spark to process and analyze large datasets.Worked with Apache Kafka to build real-time data streaming solutions.Utilized Hadoop ecosystem tools (HDFS, MapReduce, Hive) for efficient data storage and retrieval in a distributed environment. Show less

  • Programmer Analyst

    Oct 2022 - now

  • Programmer Analyst intern

    Mar 2022 - Sept 2022