Job Description

• Designed, developed, and maintained scalable ETL/ELT pipelines to integrate enterprise data from multiple source systems,
• including CvBS, CRM, OCS, and other telecom platforms to web-based Data Platform.
• Built and managed cloud-based data warehouse solutions, enabling reliable data integration, transformation, and delivery for
• business intelligence and analytics.
• Developed end-to-end data pipelines to support reporting, dashboarding, and downstream data consumption.
• Performed data validation, reconciliation, and parallel-run verification to ensure data accuracy, consistency, and completeness
• during migration.
• Implemented data quality monitoring and production monitoring processes to proactively identify and resolve data
• integration issues.
• Scheduled and automated batch workflows using Cron to ensure timely and reliable data processing.
• Collaborated with business stakeholders, solution architects, and cross-functional teams to translate business requirements
• into scalable data solutions.
• Investigated and resolved production incidents, ETL failures, and data discrepancies while maintaining SLA compliance.
• Prepared technical documentation, deployment guides, test cases, and operational documents throughout the software
• development lifecycle.
• Participated in development audits and migration activities to ensure successful transition from legacy systems to the new
• cloud platform.
• Developed reporting dashboards and analytical datasets using Doris (MySQL-compatible) and downstream data pipelines.
• Support Incident managements, standard requests and ticketing systems (kissflow, RedMine) to track and support solution
• to customers.
• Support tracking on monthly recurring invoice and ledger collect status and credit limit control for postpaid.
• Functional testing and regression testing for CRM and Account Modules and Billing on both Testbed and Production.
• Monitoring System Performance and Performance Tuning. Familiar with Linux or Unix and Windows OS , including
• command-line issue tracking.
• Familiar with Python and Bash shell scripting and automations and tracking with the database to make sure the data is
• integrated successfully.
• Provide Monthly Reports and daily reports using understandable and logical Oracle SQL.
• Provide Pre-sale and Post-sale services to customer before and after migration.
• Collaborate with Developers for new logic updates and tracking and working with cross-functional teams and customer side.
• Prepare Test Cases and Documentations for FTTH, PTSN, ADSL and CRM for new features or offers or third-party alignment.

Job Description

• Prepare Linux Bash Shell Scripts and cronjob for automation and scheduling work process for ETL Tools.
• Prepare Python codes for data cleaning and decoding data using Pandas, Numpy, etc
• Installation and configuration set up for Apache NiFi on Oracle Linux server.
• Makes automation reports with NiFi ETL and Outlooks for internal support.
• Collaborate with business internal users to understand the requirements.
• Prepare Big Data Query Reports with Tools like Hive and Spark to ensure PySpark function running.
• Work with cross-functional teams and managed vendor in a dynamic working environments.