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Walther A. Seidel M.

  • JR Developer
  • ReactJS
  • Astro
  • Node.js
  • PHP
  • Laravel
  • Linux
  • HTML
  • CSS
  • JavaScript

Resume

Systems Engineer with a background in web development (PHP, React.js, MongoDB). I have shipped personal projects that let me put Laravel into practice, including an incident management system. I keep picking up new technologies and I am looking for an opportunity to grow and contribute to a dynamic team.

Experience

  • Claudio Express Castadon

    Retail and stock assistant
    Nov 2024 – Dec 2024

    Caritas España grant under an employability skills programme. For a month I served customers, kept the shelves stocked and handled cash at the checkout of the Claudio Express supermarket, as well as helping out at the vehicle refuelling area.

    • Retail
    • Restocking
    • Fuel
    • Supermarket
    • Checkout
    • Inventory
    • Cash
    • PoS
    • Caritas
    • TPV

  • ETM

    Service scheduling coordinator
    Apr 2019 – Apr 2024

    I scheduled the SITM-MIO routes, analysed journey times and optimised how tasks were assigned.

    • Python
    • Pandas
    • Microsoft Excel
    • Docker

  • ACAR

    Technology coordinator
    Apr 2018 – Apr 2019

    I ran the organisation’s IT area and managed the relationship with its technology suppliers.

    • Asterisk
    • Database
    • Firewall
    • Odoo
    • ClearOS

  • Blanco y Negro Masivo

    Staff scheduling and rota specialist
    Jan 2016 – Apr 2018

    I planned the drivers’ rota and calculated the settlement of the hours they worked.

    • Microsoft Excel
    • Macros

  • Blanco y Negro Masivo

    Operations analyst – Mileage
    Jun 2012 – Jan 2016

    I reviewed and analysed operations using the platforms fitted in the vehicles and those provided by the SITM-MIO fare collection company. I verified settlements from the daily route audit of the whole fleet, analysed the operational logs and studied the complaints and requests received through the customer line to make sure they were answered on time. I also looked into the reports the managing body issued to operators.

    • Microsoft Excel
    • Macros
    • Customer service

  • Union Temporal de Recaudo y Tecnología

    Systems monitoring technician
    Jun 2011 – May 2012

    I produced the daily operations report used to reconcile figures with the SITM-MIO transport concession holders. I analysed vehicle log data through queries against the Oracle database and the system platforms, and chaired the fortnightly meeting with the four control centres and the managing body.

    • Microsoft Excel
    • Macros

  • Servientrega

    General assistant
    Jun 2009 – Jun 2010

    I received parcels, documents and goods for domestic and international dispatch, and handled domestic money orders, the photocopying service and the till.

    • Sales
    • Administration

  • Hospital San Andrés E.S.E.

    Systems technician
    Mar 2007 – Jan 2009

    I supported users at their workstations, installed specialised software such as SIIGO and InfoSalud, and set up workstations, servers and networks.

    • Operating systems
    • Technical support

Education

  • Universidad Cooperativa de Colombia

    Bachelor's Degree Computer Systems Engineering
    Feb 2009 – Dec 2015

  • I. E. Liceo Nacional Max Seidel

    High School Diploma Academic
    Jun 2001

Certifications

Volunteerships

  • Caritas España

    Kitchen assistant
    Jun 2024 – Aug 2024

    I helped wash the pots and serve meals at the Caritas dining hall in Ourense.

    • Science
    • Technology

  • BarCamp Cali

    Attendance desk
    Nov 2011 – Nov 2011

    Technology unconferences held in Cali to share knowledge and meet people working in the field.

    • Science
    • Technology

  • FLISoL Cali

    Installer
    Nov 2011 – Nov 2011

    I helped with installations and with spreading free software in Santiago de Cali.

    • Science
    • Technology
    • Linux
    • Ubuntu