Rajib Nayak

About Rajib Nayak

IT Specialist with a total of 13+ years of IT Experience with a passion for Big Data technologies, Data Engineering, Data Analytics, cloud computing, and automation, and considerable hands-on expertise in automating and optimizing mission-critical applications, which is innovative, self-motivated, and dynamic. • Experienced Data Engineer with over 3+ years of experience in Big Data using cloud technologies such as Azure Databricks, PySpark, Snowflake, Snowpark, AWS, etc. • Partnered with cross-functional teams across the organization to gather requirements, architect, and develop much proof of concept for the enterprise Data Lake environments like Snowflake, Azure, AWS, etc. • Well-versed in analyzing requirements, instilling changes in business processes, and managing data flow in a project. • Skilled in eliciting and translating stakeholder demands to data, functional, quality, and usability requirements. • Experience with data mapping, querying the source and target tables in the database using SQL for testing purposes. • Demonstrated ability to gather and comprehend needs in collaboration with multiple stakeholders, business, and technical teams. • Engaged in driving business value in strategic initiatives and enabling data-driven decision-making. • Highly efficient in generating dashboards, visualizations, and reports for senior management. • Hand-on expertise in data visualization, data analysis, and reporting using Tableau. • Designed and built analytics solutions that help businesses expand by improving and automating existing processes, recognizing risks, and increasing operational efficiency. • Hard-working, detail-oriented, and focused individual with excellent communication and presentation skills. • Motivated and driven for results in a fast-paced and challenging environment. Eager to learn and quick to adapt to new skills.

Experience

1. Senior Data Engineer Big Data Developer

   Concentrix Catalyst

   Jan 2022 — Present · Overland Park, KS, US

   Concentrix Catalyst is the experience design and engineering team of Concentrix. Working with one of the leading telecommunication companies in the USA. Which manages Sales Hub, Selling Experience Business Applications for - Mobiles/network Add a line, New Activations, Home Internet sales. • Identifying and establishing key performance indicators with the consent and approval of senior management. • Collaborating with the data team on the creation of common definitions for fields in the data environment. • Focusing on the data quality improvement efforts to guarantee that the data environment has a high- quality, reliable, and the most accurate data. Thus, ensuring that the data quality is kept and maintained from source to final data format. • Implemented Core Framework leveraging Spark that can handle the whole pipeline in one Config. • Azure Snowflake experience generating separate virtual data warehouses with differently sized classes. • Developed scripts in Python (Pandas, Numpy) for data ingestion, analysis, and data cleaning Data sources are extracted, transformed, and loaded to generate CSV data files with Python programming and SQL queries and analyzed the SQL scripts and designed the solution to implement using Pyspark. • Developed logical & physical data models using data warehouse methodologies, including Star schema - Star-joined schemas, conformed dimensions’ data architecture, early/late binding techniques, data modeling, designing & developing ETL applications using Informatica Power Center. • Extensively involved in creating SQl scripts. • Experienced in building ADF pipelines. Loading and unloading data from Snowflake.

Education

• University of the Cumberlands

  Master of Science - MS, Information Technology

• Biju Patnaik University of Technology, Odisha

  Bachelor of Engineering - BE