Senior Software Engineer

Kualty
📍 Medellín, Antioquia, Colombia 💼 Full-time 🕒 Posted March 02, 2026

Job Description

We need a
Senior Software Engineer - Javascript
to work on a self-checkout modernization project for a major convenience-store retailer. This engineer will implement core customer flows (scan, search, loyalty, payment, error handling) in a React-based kiosk UI, integrating with a POS API and working closely with a small, cross-functional team (Lead Engineer, QA, PM). The ideal candidate is a strong individual contributor who can take high-level direction and independently design, build, and test features within 2-week sprints, with high standards for code quality, reliability, and accessibility in a production retail environment.

Experience And Skills

  • 4–7+ years of professional experience, with deep React and modern JavaScript (ES6+) fundamentals: components, hooks, state, effects, context, routing.
  • Building complex, stateful UIs with robust error handling, responsive layouts, and good UX patterns for touch screens or kiosk-style experiences.
  • <...

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Job Details

  • Location Medellín, Antioquia
  • Job Type Full-time
  • Category Other-General
  • Posted Date March 02, 2026
  • Application Deadline April 11, 2026