Jan 2026 - Current
Aug 2024 - Jan 2026
Feb 2021 - Dec 2025
Jan 2021 - Nov 2025
Apr 2016 - Jan 2021
Jul 2012 - Jan 2013
Ingeniería at Universidad Santo Tomás Colombia
Tecnología análisis y desarrollo de sistemas de la información at Servicio Nacional de Aprendizaje (SENA)
What is John Serrano's minimum period of employment in the companies?
John Serrano's minimum period of employment in various companies is 6 months.What is John Serrano's average duration of employment for different companies?
On average, John Serrano works for one company for 3 years 3 monthsWhat industries has John Serrano worked in?
John Serrano works in the Information Technology and Services. Previously, John Serrano worked in the Newspapers.What positions has John Serrano held before?
Previously, John Serrano worked as a Software Engineer, and Freelance Software Engineer, and Desarrollador web Full Stack, and Programador de software.How do I contact John Serrano?
John Serrano's email address is j*******o@arandasoft.com, phone number is +57-***-***-6751. Sign up to get contact details.Who are John Serrano's peers at other companies?
John Serrano's peers at other companies are Evor Ricardo Vega Palomino and Cristian Bernal and Alan VasquezSignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.