Mina Afshari

Bis 2020, Senior Data Engineer, MTN Irancell
Tehran, Iran, Islamic Republic of

Fähigkeiten und Kenntnisse

Python
ETL
Java
Oracle DB
OBIEE
MongoDB
BEA WebLogic
SQL

Werdegang

Berufserfahrung von Mina Afshari

  • Current 5 years and 10 months, since 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 years and 1 month, 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 years and 1 month, 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 years and 7 months, 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 months, Jun 2011 - Sep 2011

    Information Technology Engineer

    ICT Innovation Center of Sharif University of Technology

    • Migrated existing systems to open source software.

  • 4 months, Jun 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 years and 1 month, 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

  • English

    C1 (Fließend)

  • German

    A1-A2 (Grundkenntnisse)

  • Turkish

    C2 (Verhandlungssicher / Muttersprachlich)

  • Persian Farsi

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