About the Role

As a Senior Android Engineer at November Five, the successful candidate will take ownership of end-to-end Android development, delivering high-quality applications used by thousands of users. The role involves driving architectural decisions, mentoring engineers, collaborating closely with product, design, and backend teams, and ensuring best-in-class performance, usability, and reliability across all Android products.

Responsibilities

• Lead Android projects and define standards for code quality and architecture
• Design, build, and maintain advanced Android apps using Kotlin (and Java where applicable)
• Participate in technical discussions, code reviews, and architectural decision-making
• Work with product managers, designers, and backend engineers to ship impactful features
• Promote best practices in testing, automation, and CI/CD
• Ensure top-tier app performance across devices and OS versions
• Troubleshoot, debug, and optimize performance issues
• Stay current with modern Android trends and evaluate new technologies
• Mentor junior engineers and support a culture of innovation and continuous improvement

Requirements

• 4+ years’ experience building and maintaining high-quality Android applications, with at least one published on the Play Store
• Strong expertise in Kotlin, Kotlin Multiplatform, Android SDK, and modern architecture components (Jetpack, MVVM, LiveData, Room)
• Proven experience leading technical projects and mentoring others
• Strong understanding of UI/UX principles, Material Design, and building responsive and accessible interfaces
• Experience with REST APIs, offline storage, threading, and performance tuning
• Familiarity with testing frameworks (Maestro, Playwright), CI/CD, and Git
• Knowledge of software design patterns, scalable architecture, and mobile security best practices
• Experience with iOS/Swift or React Native is a plus
• Comfortable working in agile, cross-functional teams
• Strong problem-solving, debugging, and communication skills
• Bachelor’s degree in computer science, Engineering, or equivalent experience
• English fluency (Dutch is a plus)

They’re looking for someone who’s not only strong technically but also open to sharing knowledge, contributing to the team, and continuously learning regardless of their seniority. Strong communication skills are essential.