Jack Orenstein - Hire at Ithire

Jack Orenstein


  • Hourly Rate$41-51 / Hr
  • Total Earned$13450
  • Experience9 Years


  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • PHP
  • MySql
  • Laravel

It Auditor and Senior CICS systems programming

I am a Senior It Auditor. I have developed process and documentation in support of changing technology including Agile development, Blade Logic, Cloud Systems as well as performance, agile and automated testing. I have created new SaaS and Operational Model that defines O&M as Service Program that standardized metrics and improved cost modeling by task. Designed and conducted marketing spend reviews, performed contract compliance reviews to ensure adherence to payment terms. During my working experience I have established application interface controls to ensure proper reconciliation. Have designed requirements and controls for system development projects - online promotions, project initiation request system and customer billing system. My responsibilities included developing and maintaining the analytics applications, Tableau dashboards to help minimize decision time. I have provided ad-hoc analytics support for IT and Financial audits, created Audit Issue Metrics reports assisting with forensic investigations on an as-needed basis and developing technical documentation for the infrastructure and business continuity plan. Let me also mention that I have a deep experience carrying out Infrastructure testing in Windows, UNIX and Mainframe environments. Being an experienced CICS Systems programmer I have worked in a world class company and have contributed my skills and experience in CICS Basic tailoring, application programming, transaction analysis, problem determination and performance tuning. I have formulated the best practices including coordination of activities with the CICS group, determined problems and provided resolution skills. I was responsible for planning and implementing corporate strategies for new technology and assisted with development of corporate technology standards. I have ensured documentation of all related operational processes and procedures. Performed CICS and WMQ system backups and recovery. During my expertise I have designed and coded exits and procedures to maximize productivity and to minimize the occurrence of errors. Developed, planned and implemented objectives to the mainframe CICS and WMQ software infrastructure. My ardor and commitment to the job will help me in achieving the company’s objectives.


  • Master's degree, Computer science

    University of Toronto


Stripe + Paypal integration into an existing membership

October 18, 2018 - November 8, 2018

100 Hours | $40 / hr

Jack is very reliable. Handled my queries and back and forth with no issues and adjusted the work as requested with no issues. Would definitely use again. Task involved Paypal integration into a custom website.

Full Time Node/React Developer

December 6, 2018 - December 28, 2018

120 Hours | $40 / hr

Jack provides quality work with very good communication. Thanks for your help Jack!

Update Custom Fulfillment Sync Tool & New Tool Build (SQL | API | .Net Dev)

January 5, 2019 - January 22, 2019

85 Hours | $40 / hr

Awesome experience! Jack is a very skilled developer and delivered a high quality work on time. He was always responsive and communication was extremely smooth. We will definitely hire him for more complex tasks in the future.

Visual Studio Google API Setup

February 2, 2019 - February 12, 2019

50 Hours | $25 / hr

Great job is done. I've used Jack on several projects with continued success. I will use him in the future as new projects arise and recommend him to anyone needing a strong resource.