Senior Mobile Full-Stack Developer | KMP AI-Driven Remote

N-iX; Medellín; Hybrid; COP 285,307,000 - 348,708,000; Full time

Benefits offered by this job

Flexible work format

Competitive salary

Mentorship program

Tech talks & trainings

Job summary

N-iX is seeking a Senior Full Stack Mobile Developer to join the Medellín team, working on end-to-end mobile products, backend services, APIs, and cloud solutions. The role emphasizes solving real product problems, writing clean code, and leveraging AI tools for faster delivery.

You will work across mobile app, shared mobile logic, backend services, and production systems, collaborating with product, design, architecture, security and platform teams. Flexible work options are available.

Qualifications

• Strong experience in mobile application development.
• Proficiency in Kotlin and Java, plus Spring Boot/backend basics.
• Cross-platform experience with KMP, Flutter or React Native preferred.
• Ability to work across mobile, backend and cloud services.
• Experience with CI/CD and production systems.

Responsibilities

• Build and improve mobile features used by real customers.
• Develop shared mobile logic for Kotlin Multiplatform.
• Build backend services and APIs using Java/Kotlin and Spring Boot.
• Work with cloud services, CI/CD pipelines, monitoring and production support.
• Use AI coding tools to assist development, testing, documentation and troubleshooting.
• Collaborate with product, design, architecture, security and platform teams.
• Mentor other developers and promote engineering best practices.

Skills

Mobile development

Kotlin

Kotlin Multiplatform

iOS Architecture Components

Android Architecture Components

CI/CD

GitHub Copilot / AI tools

Tools

Spring Boot

AWS

Kafka

GitHub Copilot

Job description

N-iX is seeking a Senior Full Stack Mobile Developer to join the Medellín team, working on end-to-end mobile products, backend services, APIs, and cloud solutions. The role emphasizes solving real product problems, writing clean code, and leveraging AI tools for faster delivery.

You will work across mobile app, shared mobile logic, backend services, and production systems, collaborating with product, design, architecture, security and platform teams. Flexible work options are available.