Mina Afshari
Fähigkeiten und Kenntnisse
Werdegang
Berufserfahrung von Mina Afshari
- Bis heute 5 Jahre, seit Aug. 2020
Senior BI Data Engineer & System Support Specialist
MTN Irancell
• Maintained 500 data exports which are used by different programs and departments • Developed an API to calculate the SLA based on ticketing system for 3 different tools. • Designed OBIEE Metadata Repository (.rpd) using OBIEE Administration tool. • Developed Security Topology in OBIEE 12c by using Web Logic Admin console and Enterprise Manager. • Created and presented 100+ interactive reports and analysis using Oracle BI 12c. • Designed and maintained 30+ wall screen dashboards for CEO office.
- 3 Jahre und 1 Monat, Aug. 2017 - Aug. 2020
Senior Data Engineer
MTN Irancell
• Developed, maintained and supported 40+ high performance ETL data pipelines on wide range of telecom data. • Developed Java APIs for parsing and transforming the data in various formats (.xml, .csv). • Implemented 100+ data aggregation pipelines, in temporal and geographical dimensions • Developed monitoring and alerting capabilities to ensure 100% of data pipelines were working properly. • Developed an application with Python to download and detect the invalid format of data using Regex.
- 2 Jahre und 1 Monat, Aug. 2015 - Aug. 2017
Data Engineer & System Support
MTN Irancell
• Analyzed business needs and created 700+ analytical reports for internal and external users using SQL. • Maintained and supported 20+ existing data pipelines. • Developed 10+ shell scripts and corn jobs in Linux. • Integrated 300+ of 2G/3G/LTE telecom nodes and 800+ of KPIs into Network Performance Monitoring tool. • Provided 24x7 on call support to 1000+ end users for 100% availability of data in Network Performance Monitoring tool.
- 3 Jahre und 7 Monate, Feb. 2012 - Aug. 2015
Oracle Data Base Developer
MTN Irancell
• Designed and improved Oracle DB structure, Materialized Views and Stored Procedure (PL/SQL). • Optimized and tuned database objects and SQL queries which increased the responsiveness by 80%. • Identified space issues and applied data retention policy to manage database growth which saved storage by 70%. • Implemented a Java API to trigger some predefined events to do some DML and DDL operations on oracle DB objects.
- 4 Monate, Juni 2011 - Sep. 2011
Information Technology Engineer
ICT Innovation Center of Sharif University of Technology
• Migrated existing systems to open source software.
- 4 Monate, Juni 2010 - Sep. 2010
Information Technology Engineer Intern
Institute for Advanced Studies in Basic Sciences (IASBS University)
• Researched and developed Portable Batch Systems (PBS).
Ausbildung von Mina Afshari
- 4 Jahre und 1 Monat, Sep. 2006 - Sep. 2010
Information Technology Engineering
Institute for Advanced Studies in Basic Sciences (IASBS University)
Thesis: Reinforcement learning for job-shop scheduling problem.
Sprachen
Englisch
Fließend
Deutsch
Grundlagen
Türkisch
Muttersprache
Persian Farsi
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