We are looking for part time Freelancer for AWS Data Engineer Position. Releavant Exp : 9+ Mandatory Tech Stack required: Source: Salesforce (ECRM & OSC) Backup: Grax Cloud: AWS (EC2, S3, CloudWatch, DynamoDB, RDS, Secrets Manager, ALB, ASG) Infrastructure as Code: Terraform File Format: Parquet Target: Enterprise Data Lake (EDL) Schema: Blue Schema Database: Blue Database Query Language: SQL JD : 1. Build and maintain AWS data pipelines * Develop ETL/ELT pipelines using AWS Glue, PySpark, Python, and SQL. * Ingest data from sources like Salesforce, databases, APIs, and S3. * Load curated data into Amazon Redshift and data lake storage. 2. Optimize Athena and data lake performance * Convert JSON/CSV data into Parquet. * Use Snappy compression. * Design proper partitioning strategies. * Resolve split limit and performance issues. * Optimize Athena query costs. 3. Manage modern data lake architecture * Work with Apache Iceberg tables. * Perform migrations from traditional Parquet tables. * Support schema evolution, time travel, and ACID transactions. 4.



Production support and troubleshooting * Investigate Glue jobs that suddenly become slow. * Debug Lambda timeouts. * Fix missing records and data quality issues. * Resolve Redshift performance problems. * Perform root cause analysis (RCA). 5. Infrastructure as Code * Build AWS infrastructure using Terraform. * Create reusable modules. * Manage Auto Scaling Groups, ALBs, IAM, Lambda, Secrets Manager, S3, Redshift, and DynamoDB. * Troubleshoot Terraform state and production deployment issues. 6. Security * Manage AWS Secrets Manager. * Configure Lambda-based secret rotation. * Ensure Terraform does not overwrite rotated passwords. * Implement IAM least-privilege access. 7. Backup and Disaster Recovery * Work with enterprise backup tools like Rubrik (their workplace may use Grax for Salesforce). * Validate backup jobs. * Perform restores. * Support disaster recovery testing. * Verify restored data. 8. Data Quality * Val

📌 AWS DATA ENGINEER ETL EXPERT (Mahbubnagar)
🏢 ADV TECHMINDS
📍 Mahbubnagar