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  2. Sleep Cycle

Mobile Developer

Posted on January 21, 2026 (about 4 hours ago)

Mobile Developer

Sleep Cycle is on a mission to improve global health by helping people sleep better. We are looking for a Mobile Developer to join our product-driven team and build AI-powered features for the world’s leading sleep app.

Your mission

As a Mobile Developer you will work in a cross-functional team that practices continuous discovery and owns outcomes. You will help shape hypotheses, run experiments, and frequently deliver user value through small, impactful feature improvements.

Your key responsibilities

  • Design, build, test, and maintain high-quality code for our mobile app.
  • Collaborate closely with your team to define and implement user-facing features.
  • Contribute across the stack where appropriate, with support to grow beyond your primary focus area.
  • Participate in code reviews and technical design discussions and contribute to continuous improvement.
  • Write well-tested, secure, and scalable software.
  • Monitor performance and troubleshoot production issues in a shared ownership model.
  • Work with ML Engineers and Research Scientists to understand model behavior and how it integrates into the app experience.

What we are looking for

  • Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
  • 3+ years of professional software development experience, with solid experience in at least one native mobile platform (iOS or Android).
  • Comfortable working with at least one part of our stack: Swift, SwiftUI, Kotlin, Jetpack Compose (plus some legacy Objective-C/Java).
  • Familiarity with modern Git-based workflows, CI/CD, and testing.
  • Fluency in English.

Nice to have

  • Backend experience with Python, FastAPI, and Google Cloud (e.g., Datastore, Cloud Storage, BigQuery).
  • Willingness to learn and contribute across the stack.
  • Interest in product thinking and delivering customer value.
  • Experience collaborating in product-driven teams or interest in learning how.
  • Demonstrated adaptability, accountability, and initiative in dynamic product environments.
  • Experience supporting and facilitating team development.

What’s in it for you?

Join a supportive, stimulating environment with kind, talented teammates. You’ll tackle interesting challenges and contribute to meaningful outcomes while collaborating in our office on the 20th floor of the Kineum building in Gothenburg.

Other

Please note that we only accept applicants with a valid work permit for Sweden.

How to apply

Click the "Apply for this job" button on the job page to open and submit the application form. Follow the on-screen instructions to complete your application.

Note

Please note that we only accept applicants with a valid work permit for Sweden.