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PH@prernahirekar
Results-driven Data Engineer with 5.5 years of experience.
IndiaI am a passionate Data Engineer with over 5.5 years of experience in developing and maintaining big data projects. My journey began with a strong educational foundation, earning an MTech in Data Science and Engineering from BITS Pilani, where I graduated with a CGPA of 8.69. I also hold a BE in Electrical Engineering from Dr. D. Y. Patil Institute of Technology, Pune, with a CGPA of 8.32. My academic background has equipped me with the skills necessary to leverage data effectively to drive business insights and support strategic decision-making.
In my current role at Citi Bank, I have taken on significant responsibilities, including gathering requirements, designing, and developing ETL pipelines for both structured and semi-structured data using technologies like Pyspark and Scala. I successfully optimized Spark jobs, achieving a 40% reduction in data processing time, and implemented data quality checks that reduced job failures by 20%. My previous experience at Infosys further honed my skills in data transformation and visualization, where I developed impactful dashboards in Power BI and ensured the timely completion of batch processes.
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Work history, roles, and key accomplishments
Citi Bank (CSIPL)
Jul 2022 - Present (3 years 4 months)
As a Data Engineer at Citi Bank, I am responsible for developing and maintaining ETL pipelines for structured and semi-structured data using Pyspark, Scala, and Shell script. I have optimized Spark jobs, implemented data quality checks, and designed complex HQL scripts for data aggregation. My role involves end-to-end ownership of applications and monitoring data processing batches.
Citi Bank (CSIPL)
Jul 2022 - Present (3 years 4 months)
Currently working as a Data Engineer, responsible for developing and maintaining data ingestion/ETL pipelines for structured and semi-structured data. Focused on optimizing Spark jobs and implementing data quality checks, resulting in significant improvements in processing time and job reliability.
Infosys Limited
Nov 2019 - May 2022 (2 years 6 months)
In my role as a Senior Systems Engineer at Infosys, I transformed data using Talend ETL and developed dashboards in Power BI. I monitored daily batch processes, ensured timely completion, and resolved data issues to enhance performance. My contributions significantly improved data handling and visualization.
Infosys Limited
Nov 2019 - May 2022 (2 years 6 months)
Worked as a Senior Systems Engineer, transforming data using Talend ETL tool and developing dashboards in Power BI. Responsible for monitoring daily batch processes and resolving data issues to ensure optimal performance.
Degrees, certifications, and relevant coursework
BPMaster of Technology, Data Science and Engineering
2021 - 2023
Grade: 8.69
Completed MTech in Data Science and Engineering with a CGPA of 8.69, focusing on advanced data analytics, machine learning, and big data technologies.
DTBachelor of Engineering, Electrical Engineering
2015 - 2019
Grade: 8.32
Earned a Bachelor of Engineering in Electrical with a CGPA of 8.32, covering core electrical engineering principles and applications.
IndiaYou can contact Prerna and 90k+ other talented remote workers on Himalayas.
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