Sleep is something we all share. It's so fundamental that when we don’t get enough good quality sleep, we struggle to function in all other aspects of life. That's why we at Sleep Cycle have made sleep improvement our mission, and that's how you can help improve global health by joining our effort!

We’re now looking for a Mobile Developer to join our team for the next chapter of our journey.

Do you enjoy building products that make a meaningful impact on people’s lives?
Do you want your code to make a real-world impact? Are you a curious problem-solver who thrives in collaborative teams? Do you get excited by the idea of creating and shipping features that help people sleep better?

Your mission:

As a Mobile Developer at Sleep Cycle, you work in a cross-functional team to design and deliver features across mobile, backend, and web. While you may specialize in one area, you're encouraged to contribute across our stack!

Your key responsibilities:

• Design, build, test, and maintain high-quality code in Swift, Kotlin and Python —depending on project needs.

• Collaborate closely with your team’s Product Manager, Designer, and Tech Lead to define and implement user-facing features.

• Work across the stack where possible (mobile, backend, web), with support for learning outside your primary focus area.

• Participate in code reviews, 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 and knowledge in at least one of: mobile (iOS or Android), backend (Python), or web (React).

• Comfortable working with at least one part of our stack:
  - Mobile: Swift, SwiftUI, Kotlin, Jetpack Compose (plus some legacy Objective-C/Java)
  - Backend: Python, FastAPI, Google Cloud (e.g. Datastore, Cloud Storage, BigQuery

• Familiarity with modern Git-based workflows, CI/CD, and testing.

• Fluency in English.
  

Nice to have:

• Willingness to learn and contribute across the stack.

• Interest in product thinking and delivering customer value

• Interest in or openness to working near machine learning-driven features.

• Experience collaborating in product-driven teams — or interest in learning how.

• Demonstrated adaptability, accountability, and initiative in dynamic or evolving product environments.

• Experience in Web is a plus: React, Next.js, WordPress

Not sure if you meet every requirement? We encourage you to apply anyway — we value diverse perspectives and experiences and are committed to finding the right person, not just the perfect resume.

What’s in it for you?
Sleep Cycle is all about creating a supportive and stimulating work environment, surrounded by kind, talented teammates who genuinely enjoy working together. We believe in a healthy balance of focus and fun — where sharing a laugh together is just as important as delivering great work.

You’ll tackle interesting challenges and contribute to meaningful outcomes — all while collaborating in our beautiful office space on the 20th floor of the Kineum skyscraper in Gothenburg.

We look forward to your application!