Christian User
@ctoloza
Software Developer specializing in Android and backend APIs, improving CI/CD and product quality.
ColombiaWhat I'm looking for
I’m a Software Developer focused on building and maintaining mobile (Android) and backend solutions. I’ve delivered features with Git-based collaborative development, supported QA by analyzing and resolving defects, and worked closely with multidisciplinary teams to gather requirements and ship outcomes.
In my current role, I’ve continued ownership of CI/CD pipelines, automated releases, and code quality processes. Before that, I led Android development tasks during a six-month project and improved defect resolution time through daily issue triage, using Jira to keep work aligned and progressing.
Experience
Work history, roles, and key accomplishments
Software Developer
Topaz
Apr 2025 - Present (1 year 2 months)
Owned CI/CD pipelines, automated releases, and code-quality processes, continuing projects transitioned from Valid Solutions. Maintained and improved development workflows to support mobile and backend teams.
Software Developer
Valid Solutions
Feb 2022 - Apr 2025 (3 years 2 months)
Supported Git-based version control for CI/CD and collaborative development, working with multidisciplinary teams to gather requirements and deliver features. Analyzed and resolved defects with QA using Jira.
Junior Developer Engineer
World POS Solutions
Feb 2020 - Feb 2022 (2 years)
Developed Android applications for POS systems using Android Studio, leading Android development tasks during a six-month project. Improved defect resolution time through daily issue triage and supported QA by fixing reported issues.
Education
Degrees, certifications, and relevant coursework
Politecnico Grancolombiano
Associate Degree in Analysis and Development of Information Systems, Analysis and Development of Information Systems
2021 - 2024
Associate degree in Analysis and Development of Information Systems, completed from August 2021 to April 2024.
Servicio Nacional de Aprendizaje (SENA)
2019 - 2021
Completed studies at Servicio Nacional de Aprendizaje (SENA) from February 2019 to February 2021.
Tech stack
Software and tools used professionally
Availability
Location
ColombiaAuthorized to work in
Job categories
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