Hello! I am Eduardo Calleja.

Personal Info

  • Name Eduardo Calleja
  • City Vancouver, Canada
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My Resume


  • AWS Developer Associate Amazon Web Services

    May 2017
  • ITIL V3 Certificate itSMF International

    March 2011
  • Bachelor in Computer and Information Sciences Polytechnic University of Catalonia

    Sep 2005 - Jan 2011


  • Vodafone Next Generation ServicesAuckland, New Zealand


    February 2017 - Now
  • Freelance Full Stack DeveloperIndia, Thailand


    March 2015 - December 2016
  • Starlab Barcelona S.L Barcelona, Spain.

    IT Manager

    Jan 2014 - March 2015
  • Starlab Barcelona S.L Barcelona, Spain.

    Full Stack Developer

    Jan 2013 - Jan 2014
  • Giesecke & Devrient Barcelona, Spain.

    Business application developer

    Jan 2012 - present

My skill


my service


Expert in developing cloud-based solutions, API's and distributed computing using Python and Django. PostgreSQL, Redis, MongoDB, RDS and Elasticsearch.


HTML5, CSS3 and JavaScript are my tools for web layouts.


Using cloud-based technologies to deliver scalable and reliable solutions. Docker, Amazon Web Services (AWS), Puppet, Nginx, uWSGI, Apache and Celery

Project management

Experience on the planning, management, coordination and control of a project.


Continuous Integration and Deployment with Cloudformation, Puppet, AWS OpsWorks and CloudDeploy

Test-driven development

Using unittests and system integration tests to meet all requirements and functionalities and ensure future maintenance.

my portfolio

Mobile app backend



Fanta - Summer campaign




A comparative study of RADAR Ka-band backscatter

Date: 21 Oct 2014

In the framework of the ESA project “Ka-band SAR backscatter analysis in support of future applications”, this paper is aimed at the study of wave interaction at Ka-band for a wide range of targets in order to define a set of well calibrated and reliable Ka-band backscatter coefficients for different kinds of targets.

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An experimental and theoretical comparative study of RADAR Ka band backscatter

Date: 21 Jul 2015

We propose several examples of backscatter data resulting from a critical survey of available datasets at Ka-band. The reliability of the results will be assessed via a preliminary comparison with Electromagnetic Models (EM).

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