Abbas Najafizadeh

Abbas Najafizadeh

System Analyst

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location of Abbas NajafizadehTehran, Tehran Province, Iran

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  • Timeline

  • About me

    Senior Java Developer | Oracle Developer | Enterprise Architect

  • Education

    • Shahid Beheshti University

      1994 - 1999
      Bachelor of Science (BSc) computer software
    • Iran University of Science and Technology

      1999 - 2002
      Master of Science (MSc) Computer Software Engineering
    • Azad University (IAU)

      2015 - 2021
      Doctor of Philosophy - PhD Computer Software Systems 19.5
  • Experience

    • Parhoon Rayaneh

      Jan 2000 - May 2000
      System Analyst

      Analysis and prototyping in project of "CBI" named "Supervision of private banks".Used task analysis methodology ("Rapid.SSADM")Database model created using power designer.We provided a model for "Adabas C" database.

    • Nazm afarinan Pooya

      Oct 2000 - Feb 2002
      Analyst & Oracle Designer

      Senior system analyst in a large software project with more than 150 entities (Tables) in ERD. This analysis done base on "Oracle CDM methodology" and modeled in "Oracle Designer 6i". Design phase has been done based on "RUP methodology".Documentation has been done using oracle designer 2000 & 6i Worked aided by "Headstart" utility to generate some oracle developer source code.

    • Beh avaran samaneh emrooz

      Jul 2001 - Nov 2001
      System Analyst

      "Powerbuilder" programmingConceptual data modeling (CDM) using "power designer"Debug "Accounting system" in project of "taavoni roostaii"

    • Pooyesh afzar samaneh

      Mar 2003 - Oct 2003
      Analyst & Designer

      System Design using "oracle designer 6i"Analysis & design system was base on Oracle CDM mixed with RUP (use-case and sequence diagrams)

    • Exir Pharmaceuticals Company

      Oct 2003 - Jan 2005
      Senior Consultant

      Create standard documentations for old MS-DOS based application (developed in Foxpro for an accounting management system)Consultancy about a new total system

    • Tadbir andishe modiriat

      Nov 2003 - Sept 2004
      Software Project Manager

      Analysis & Design of an "Accounting system" using "oracle 9i" and "VB.NET" programming language in a 3-layered framework.

    • Behin Samaneh Exir (Behsa)

      Jun 2005 - May 2014
      Senior Oracle Developer

      Requirements analysis & DB modeling with Power DesignerSybase PowerBuilder programmingVB.Net & C# ProgrammingPython programmingSolving problems in databaseDevelop Oracle databaseOracle 9i/11g/19c SQL, PL/SQLInstalling Oracle 11g DataGuard on 64bit serverImporting data from SQL Server to Oracle

    • Amen data processing

      Jul 2005 - Feb 2007
      Full-stack Developer

      Design an automation system to develop accounting systems.working with:- Oracle 9i- VB.NET

    • Mellat Insurance

      May 2008 - May 2009
      Software Project Manager

      Managing a project in design & implementation phase.

    • Setad Tahavol Sanaye va Maaden

      Jun 2010 - Jan 2013
      Senior Oracle Developer

      Query & development of database in Oracle 11gUsed: Toad for oracle (Quest software) as a development tool.

    • NDF

      Aug 2014 - Jul 2019
      Senior Oracle Developer

      • Data Cleaning• Data Integration (mysql & excel into Oracle 11g)• Create Dashboard (using Qlikview)

    • Pooya parto pishrafteh

      Sept 2015 - Jul 2016
      Senior C# Developer

      Maintenance of Queuing system for clients (Hospital systems or Labs) in C# .Net & MSSQL-Server database (Stored procedures)

    • MO Agriculture

      Oct 2020 - Nov 2021
      Senior Oracle Developer

      Creating data model in "Power designer"Integrate data from various source (Excel, Web, external web services)Validate data and clear data.working with "triggers & constraints in Oracle" database.Show analysis dashboard in the "Qlikview" desktop

    • Behin Samane Exir (Behsa)

      Dec 2021 - Jul 2022
      Process Automation Developer

      Robot gathering data from huobi exchange (depth of market in the crypto currencies) with "python" into "oracle 19c database".Data preparation phase for neural network (machine learning)Send Automatic data results into the oracle database asynchronously with python.Load data into "Qlikview" dashboard.

    • Freelance

      Feb 2023 - now
      Senior Developer | Data Engineer | Enterprise Architect

      • Data Integration.Combining data from different sources and structuring it for better consumption. • Identify and cleaning inaccurate, or irrelevant data.• Development of a software tool, gathering Data from many web sites.

    • FANAP

      Feb 2023 - now
      Senior Java Developer | Oracle Developer
  • Licenses & Certifications

    • Assessment for Database Administrator

      Australian Computer Society Inc. (ACT)
      Jul 2013
    • Assessment for Developer programmer

      Australian Computer Society Inc. (ACT)
      Apr 2013
  • Honors & Awards

    • Awarded to Abbas Najafizadeh
      Award from Office of the Minister Ali Akbar Mehrabian (Ministry of Industries & mines of Iran) Feb 2013