Full-time

Senior Software Engineer

Posted by Kualty • Medellín, Antioquia, Colombia

📍 Medellín, Antioquia 🕒 February 25, 2026

About the Role

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.
  • <...

Ready to Apply?

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