Profile image of MElizabethp
Flag of Colombia Medellín, Colombia
Member since June 29, 2016
6 Recommendations


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I am an Electronic Engineer, with experience in different fields mostly releated with technology product development. My expertise area: electronic design, software development, microcontrollers, design and construction of PCB boards, cloud solutions to connect the devices using Web and Mobile APPs, final design of products for manufacturing. My focus is using technology to help you to achieve your goals, maintain a close relationship, connecting with you and empowering together.
$30 USD/hr
22 reviews
  • 100%Jobs Completed
  • 99%On Budget
  • 96%On Time
  • 6%Repeat Hire Rate

Portfolio Items

Recent Reviews

  • image of Pedro M. Project for Maria Elizabeth P. $825.00 USD

    “Maria Elizabeth ha realizado los trabajos correctamente y es una buena persona que cumple con lo que se le diga , persona eficaz y capaz de realizar trabajo técnico.”

  • image of Jerry W. Project for Maria Elizabeth P. -- 2 $500.00 USD

    “excellent as always”

  • image of Daniel K. Create Instrumentation and control tech exam practice questions $2110.00 CAD

    “Maria is a true professional in every sense, she completed the project on time, on budget, a great communicator and went the extra mile to ensure I was happy with the end result! Highly recommended!”

  • image of Jonas M. Design and development home cinema projector $5028.00 USD

    “In our project developing a new concept home cinema system, we worked with Maria Elizabeth Pérez, and are very satisfied! To start with, we had little experience, but Maria took care of the project, worked diligently, and always kept us informed. She took care of all the small details, which is an advantage when you have limited experience in these type of projects. Very professional and delivered very good results, within agreed timelines, and to a very competitive price!”

  • image of Tom S. PCB hardware for adaptor plug £350.00 GBP

    “Excellent work, conscientious, patient and with a good knowledge. I will be using Maria again in the future for projects.”

  • image of Jerry W. Project for Maria Elizabeth P. £1012.00 GBP

    “excellent thank you once again”


Project Manager

Jan 2016

Working as leader of IT projects, making the arquitecture, procedures, and making all the procedures to have big projects since the design till the production and implementation.

Electronic Engineer

Jun 2015 - Oct 2015 (4 months)

Project designer, experience in the electrical field.


Electronic Engineer

2009 - 2016 (7 years)


Monitoring PLC System in a Web Page using Arduino board.

Using MODBUS protocol, we can monitor at real time all the system that is being controling for any PLC.


  • ArrowPlus Engineering Certification
  • Preferred Freelancer Program SLA
  • US English Level 1


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