Dice is the leading career destination for tech experts at every stage of their careers. Our client, Hecta Data LLC DBA Vilwaa, is seeking the following. Apply via Dice today! Job Title: Big Data Developer (Python &Pyspark) Job Type: Contact Location: Whippany, NJ(Onsite) Duration: Contract Start Date: Immediate About US At Vilwaa (, we are focused towards delivering IT services and solutions in Data Engineering, Cloud Infrastructure solutions , Digital Application Development, (IoT) - Internet of Things. Title: Big Data Developer (Python &Pyspark) Location: Whippany, NJ(Onsite) Must - Enterprise Financial Services Experience Required • We are seeking a Python PySpark Big Data Developer with strong expertise in building scalable data processing solutions using PySpark and Python. • You will design, develop, and optimize high performance ETL pipelines to process large datasets in distributed environments, ensuring data quality, integration, and fault tolerance. • This role involves collaborating with data scientists, data engineers, and stakeholders to translate business requirements into robust data workflows • And implement complex data transformations using Spark, Hadoop, Kafka, or cloud platforms like AWS EMR or Databricks Strong problem solving skills, • Hands on experience in performance tuning of PySpark jobs, and writing clean, Maintainable Python code for both batch and streaming scenarios are essential.