Senior Backend Developer (Python or Kotlin) | Colombia

MAS Global Consulting is a premium digital engineering partner seeking a Senior Backend Developer with 6+ years of experience in building backend systems using Python or Kotlin to work on the Card platform strategy.

Requirements

• 6+ years of experience as a Senior Backend Software Engineer
• Strong experience building backend systems using Python or Kotlin
• Experience working with AWS or other cloud providers
• Solid understanding of relational database systems and best practices
• Strong understanding of distributed systems, including how architectural decisions impact performance and maintainability
• Experience building APIs and backend services at scale
• Excellent written and verbal communication skills
• Strong organizational and project management skills
• English proficiency at B2 level or higher