Sr. Kotlin Developer
We are looking for a Senior Kotlin Developer with 5+ years of experience in mobile development to join our team and build highly scalable applications.

What you will do:
• Develop and maintain scalable mobile applications using Kotlin Multiplatform (KMP).
• Transform wireframes into high-quality, functional code.
• Optimize performance, resolve technical issues, and ensure app stability.
• Work closely with APIs, push notifications, and modern mobile architectures.
• Apply SOLID principles and perform unit testing with JUnit.
• Collaborate actively with design, testing, and development teams under Agile methodologies (Scrum/Kanban).

What you need to bring:
• 5+ years of experience working as a Mobile Developer (Android/Kotlin).
• Proven experience working with Kotlin Multiplatform (KMP).
• Strong background in Java, REST APIs, SOLID principles, and Git.
• Upper-intermediate to fluent level of English.

Big Plus (Nice to have):
• Solid knowledge of SQL Server and Cosmos DB.

Work Model:
• This position requires regular on-site work at office in Polanco, CDMX

📌 Kotlin Developer (Ciudad de México)
🏢 Onetree
📍 Ciudad de México