Data Engineer

EXL · India

Requirements

· Strong understanding of AWS architecture best practices, scalability, security, and cost optimization strategies.

· Strong hands-on experience with AWS services including Lambda, Glue ETL, Athena, S3, DynamoDB, Step Functions, EventBridge, SNS, and SQS.

· Deep experience in Apache Spark (PySpark/Scala) development, unit testing, and performance optimization.

· Strong Python programming skills using libraries such as pandas, requests, json, and awswrangler.

· Experience on Apache Kafka and Confluent Kafka.

· Experience designing and optimizing data lakes using Apache Iceberg, including compaction and Iceberg optimization techniques.

· Hands-on experience integrating and optimizing Starburst/Trino, including connecting Starburst from Lambda and Glue ETL jobs.

· Experience with NoSQL databases such as DynamoDB, MongoDB.

· Experience working with data formats including Avro, Parquet, JSON, XML, and CSV.

· Comfortable challenging your peers and leadership team.

· Can prove yourself quickly and decisively.

· Excellent communication skills and Good Customer Centricity

Design and optimize data lakes using Apache Iceberg on AWS, including table compaction and Iceberg performance tuning.