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Louay Salamon, SQL Developer in Montreal, QC, Canada
Louay Salamon

SQL Developer in Montreal, QC, Canada

Member since February 23, 2015
Louay is a seasoned data engineer with a solid software engineering background, experienced with massive data, distributed computing, critical data management, scalability solutions, and business intelligence. He's creative and takes initiative, and has well-developed project management and leadership qualities. These coalesce for him into the ability and the confidence to accept critical business challenges aligned with his projects.
Louay is now available for hire

Portfolio

Experience

  • SQL, 11 years
  • Unix Shell Scripting, 5 years
  • Big Data, 5 years
  • Oracle 12c, 3 years
  • Python, 2 years
  • Scala, 1 year
  • Apache Spark, 1 year
Montreal, QC, Canada

Availability

Part-time

Preferred Environment

Flexible

The most amazing...

...thing I've made is a graph-guided backtracking algorithm to suggest the optimal traffic steering to maximize net margin.

Employment

  • Data Engineer Consultant

    2015 - PRESENT
    Quantillo
    • Led data architecture and back-end development for Quantillo's tailored BI products.
    • Created descriptive/predictive analytics.
    • Designed and implemented data pipelines which were later migrated from bash/cron jobs to Airflow (Python).
    • Migrated all ETL jobs from Oracle PL/SQL to Spark (Scala).
    • Designed and implemented several tailored revenue optimization algorithms in PL\SQL, which were later migrated to use Spark (Scala).
    Technologies: Python, Scala, Spark, Hadoop, Oracle 12c, SQL, PL/SQL, Airflow
  • Senior Software Engineer

    2013 - 2014
    Emirates Airline
    • Developed data models, algorithms, and back-end services to manage and analyze customer loyalty network for millions of daily users (6TB of data with a live rule engine for rating).
    • Planned and implemented back-end fixes, batches, and upgrades.
    • Migrated part of the reporting processes to Hadoop stack (SQPop, Hive, Impala, and HDFS).
    • Handled security governance, unified monitoring and notification, data aging policies, and workload capacity handling techniques.
    • Received Najm (Star) Award for a scalability solution project of the Skywards loyalty program.
    Technologies: Hadoop, Python, Oracle 11g, SQL, PL/SQL, Java
  • Data Architect & Database Administrator

    2011 - 2013
    Syriatel Mobile Telecom
    • Designed and implemented various data replication, scalability, and cloning strategies for production, pre-production, staging, testing, and development environments.
    • Provided 24/7 support for over ninety databases (~100TB) and thirty application servers with various availability options including RAC, Data Guard, HA clusters, and ASM.
    • Managed and enhanced a shell-based Syriatel file management system (pulling, distributing, and loading).
    Technologies: Bash, Python, Oracle 9i~11g, SQL, PL/SQL
  • Database Administrator

    2010 - 2011
    Yarmouk Private University
    • Managed data integration among various systems (academic, financial, integrated library system ILS and learning management system LMS).
    • Planned and implemented enterprise information strategy, a BI portal, a Koha integrated library management system, and Moodle content management system.
    Technologies: Bash, Oracle Database, Oracle APEX 4, Oracle Linux, Python
  • Software Developer

    2007 - 2009
    AIU
    • Built an enterprise BI portal from the ground up including warehouse design, ETL, mining modules, and presentation.
    • Developed an AIU student portal and a customized HRMS.
    Technologies: Oracle APEX 3.1, Application Server 10gR2, Oracle Heterogeneous gateways, Warehouse Builder 10g, OBIEE 10g
  • Application Developer

    2005 - 2007
    Cham Palace Hotel
    • Designed and implemented a complex reservation module as a part of the entire hospitality system.
    • Contributed to end-to-end hospitality system implementation and customization in ten hotels and three branches.
    Technologies: Oracle Database 9i, Oracle Forms 10g & 6i, Oracle Reports 10g & 6i, C#

Experience

  • Performance-based Academic Decision Support System (Development)

    An end-to-end BI system including data warehouse design, ETL mining modules ( K-Means clustering, SVMs, classification and regression) and presentation modules

  • Telecom Inter-operator Tariff and Traffic Steering (Development)

    Designed and implemented customized processing algorithms and data flow to achieve an optimal revenue through steering the correct traffic and determining the proper deals/tariff through different operators.

Skills

  • Languages

    SQL, Scala, Python, HTML5, CSS3
  • Tools

    Oracle Forms, Oracle Application Express (APEX), Apache
  • Platforms

    Oracle Application Server, Oracle BI EE 11g, Java EE
  • Storage

    Oracle 12c, Oracle PL/SQL
  • Frameworks

    Apache Spark, Hadoop
  • Other

    Big Data, Oracle WebLogic Application Server, Unix Shell Scripting, IIS

Education

  • Master's degree in Information systems
    2009 - 2012
    Damascus University - Damascus
  • Bachelor's degree in Software Engineering
    2003 - 2009
    Damascus University - Damascus
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