Lead Mobile App Developer

About the role

We are seeking a Lead Mobile App Developer to head the design and delivery of high‑quality Android and iOS applications used by customers worldwide. Based in Estonia and working remotely, you will combine hands‑on engineering with technical leadership to drive innovation across our mobile product suite.

Key responsibilities

• Lead the end‑to‑end design, development, and maintenance of advanced mobile applications for Android and iOS.
• Define technical strategy, architecture patterns and coding standards to ensure scalable, reliable, high‑performance solutions.
• Conduct thorough code reviews and mentor team members on best practices.
• Collaborate with designers, product owners and backend engineers to integrate APIs, third‑party services and external data sources.
• Write and maintain comprehensive unit tests and monitor live app performance for continuous optimization.
• Resolve complex technical issues, support debugging efforts and ensure compliance with platform UI/UX guidelines.

Required profile

• 8+ years of professional experience in mobile application development.
• Proven leadership abilities and a passion for mentoring engineers.
• Strong problem‑solving skills and a track record of delivering production‑grade mobile apps.

Required skills

• Kotlin
• Java
• Swift
• Android development
• iOS development
• MVP architectural pattern
• Unit testing
• API integration