Markos Rivas - Hire at Ithire

Markos Rivas

United Kingdom

  • Hourly Rate$20-30 / Hr
  • Total Earned$18450
  • Experience10 Years


  • CSS3
  • JavaScript
  • jQuery
  • C++
  • C#
  • Java
  • Python

Full Stack Developer

With a solid mathematical knowledge base and a professional software developer background, I have the experience and skills to fulfill most software engineering role. During my professional career, I am worked on various projects including large enterprise systems, web development, and cloud computing. Here is the list of my daily responsibilities: _ writing code in one or more programming or scripting languages, such as PHP, JavaScript, HTML5, CSS3, PYHTON, C++ _ planning and prototyping new applications and websites _ designing the architecture of the components of an application and website _ researching, incorporating and contributing to Open Source projects _ building and maintaining databases (MySQL, SQL, MongoDB) _ staying up to date with new trends and advancements in web development _ fixing bugs and solving problems in existing projects _ create and maintain machine learning models with a focus on big data. _ support and develop scalable Pega applications _ write technical and user documentation of existing and new software and business processes according to the project standards.


  • Masters degree, Computer Science

    Computer Science


Salesforce development with a Database

January 4, 2019 - February 11, 2019

160 Hours | $15 / hr

Fantastic work by Markos. He's an all-rounder with top talent in Saleforce + database development, and a fine communicator with a diligent "can do" attitude. Thanks Markos

Software development with Dashboard Analytics

March 1, 2019 - April 20, 2019

200 Hours | $15 / hr

Markos did a great job and very pleased with the outcome, receptive, adaptive and can execute well, I look forward to working with Markos more moving forward.

Odoo expert for a new module

May 3, 2019 - June 4, 2019

170 Hours | $15 / hr

Excellent experience with Odoo. He copes with tight deadlines and multiple points of view. I will rehire him for sure.

Map app with large DB

July 1, 2019 - August 8, 2019

180 Hours | $15 / hr

Mark is a fabulous colleague who I would hire again in a heartbeat. Dependable, organized, flexible, and a great communicator. I enjoyed working with him.

3D Visualization project

September 12, 2019 - October 22, 2019

200 Hours | $15 / hr

Mark is a very reliable and professional collaborator to work with. Very proactive, caring and full of good ideas and initiatives, Mark has been a key element in the success of our project. I strongly recommend him and won't hesitate to work with him in the future.

Payment web-app with various integrations

November 23, 2019 - December 17, 2019

100 Hours | $15 / hr

Mark's ideas and suggestions where excellent. Very talented with user interfaces, coding. Would hire again.

Face and Voice recognition system

January 3, 2020 - February 15, 2020

220 Hours | $15 / hr

Great work! Started with a smaller project and expanded to more regular needs. Cares about the project, works hard, and has his own ideas to contribute. Very happy!

Upwork e-commerce project

May 20, 2020 - May 20, 2020

0 Hours | $0 / hr

This work has no begun and should not have charged me.