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  • Take responsibility for maintenance and next development of CRM system PROROK based on open-source CRM called PERFEX by external cooperation.
    • design and implementation of Stock Items
    • design and implementation of Stock Actions (Inputs, Outputs, Transfers)
    • design and implementation of Pre-invoices including conversion to Invoices and Tax Documents
    • add implementation of Tax Documents
    • design and implementation of Central Maintenance System for client’s installations monitoring and parameters setting
    • design and implementation of Central System of Deployment of Updates
    • add implementation of Contractors
    • add implementation of Received Orders
    • updates and extension of Expenses, Proposals, Estimates, Payments, Credit Notes and others
    • management of changes, testing and deployments


  • CRM is powered by PHP FW CodeIgniter 3.x and using MySql, Bootstrap, jQuery etc.
  • code is maintained in GIT
  • requirements are managed in ClickUp
  • Cooperation time: 06/2020 – 01/2023
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