Quantexa Developer Location : Columbus, OH (Day-1 Onsite and 5 Days a week) Contract-6 Months+ Required Skills & Experience Technical Skills Strong proficiency in Scala or Java, with hands-on Apache Spark experience. Experience with data engineering and Big Data ecosystems (Hadoop, Hive, HDFS, Parquet). Understanding of entity resolution, network analysis, and graph-based data models. SQL skills for data validation and data quality analysis. Experience integrating APIs, microservices, and