Senior Data Engineer - AWS & Cloud

• Design and development of core system architecture, functionality and components.
• Training and mentoring team members, conducting technical interviews for new hires.
• Ensuring compliance with client requirements and regulatory standards.
• Building robust data ingestion pipelines using Apache Spark on AWS

Ramin was one of the core team members in Nordea Bank’s GDPR related Big Data project.

• Developed near real-time big data processing pipeline with Kafka, Apache Spark, Spark Streaming, Solr and HBase.
• Developed microservices with Spring Boot.
• Developed artifact and configuration deployment scripts for DevOps engineers.

Ramin was head of the data warehouse unit. His role was 50% technical and 50% managerial. He was responsible for Oracle Exadata based 51 TB corporate data warehouse system. DWH was a highly critical reporting source for Azercell’s daily operations and financial reporting. Ramin’s work activities included:

• Collaborating with business units to understand and analyze their reporting and analytics needs.
• Analysis of technical requirements for new and enhanced functionality.
• ETL development with SAP Data Services.
• Development of new data models, dimensions, fact tables, data marts with SAP Universe Design.
• Development of BI reporting with SAP Business Objects Web Intelligence.
• Providing technical and analytical mentor-ship to internal clients to encourage knowledge growth.
• Supervising team members, driving prioritization, defining phasing/delivery of work, ensuring development best practices are adhered to.
  The team installed Cloudera Hadoop cluster for experimenting with big data tools (Spark, Spark Streaming, Hive, Flume, Sqoop, HBase, Kafka) and implementing different telecom specific Big Data use cases.

Ramin was head of a software development team with 6 members. His role was 50% technical and 50% managerial. His team developed and supported business-critical systems such as online/offline postpaid/prepaid payment processing systems, bad debt collection and reporting, CDR based fraud detection and prevention systems, customer-related applications, etc). His work activities included:

• Integration with various enterprise, telecom, billing and VAS platforms.
• Analysis of technical requirements for new and enhanced functionality.
• Collaborating with business units and development team members to analyze project requirements and resolve support issues.
• Providing technology and software development mentorship to junior developers to encourage knowledge growth.
• Providing assurance to the quality of application enhancements and technical assistance during testing cycles.
• Supervising team members, driving prioritization, defining phasing/delivery of work, ensuring development best practices are adhered to.

Design and development of telecom postpaid, prepaid payment processing systems, new payment services, integration with telecom postpaid billing and prepaid charging systems, bad debt management and reporting system, fraud monitoring and prevention systems, Ramin was mainly responsible for all payment-related systems.

Analysis, development and maintenance of internal desktop and web applications.