Platform Engineer
Posted on January 22, 2026 (about 3 hours ago)
Platform Engineer
Make a real impact on global health at a product-driven company with a start-up mentality. Join Sleep Cycle as a Platform Engineer and help build the infrastructure powering the world’s No.1 Sleep App.
Your mission
As a Platform Engineer in our Infrastructure team, you will develop, build and maintain the internal products, services and platforms that power Sleep Cycle. You will ensure systems remain robust, scalable and secure and enable product teams to focus on delivering exceptional user experiences. Work spans backend systems, cloud infrastructure, internal tools and build/release processes, including both modernisation work and greenfield initiatives.
Key responsibilities
Responsibilities include:
- Develop and maintain high quality backend systems in Python built for scale and performance.
- Develop and support internal web-based systems used by teams across the organisation.
- Design, deploy and operate cloud architectures from the ground up including monitoring and observability.
- Own data transformation tasks such as migrations, restructuring and integrations.
- Improve and evolve build and release processes including CI/CD pipelines.
- Contribute to major technical initiatives such as system replacements, refactoring and modernisation of legacy services.
- Collaborate closely with other developers to ensure shared systems remain healthy, secure and reliable.
- Write well tested, maintainable and high quality code.
What we are looking for
We are looking for engineers who are humble, curious and highly motivated. Required qualifications and skills:
- Bachelor’s degree in Computer Science, Software Engineering or related field, or equivalent practical experience.
- 3+ years of professional software development experience.
- Strong experience with Python.
- Experience building backend systems capable of handling high load, ideally with FastAPI.
- Practical experience designing, setting up and deploying cloud architectures from scratch, including monitoring and alerting, preferably in Google Cloud.
- Hands-on experience setting up CI/CD workflows, preferably GitHub Actions.
- Comfortable executing large scale refactoring and system modernisation.
- Solid testing skills and experience with automated testing practices.
- Fluency in English.
Nice to have
Additional desirable experience:
- Infrastructure as code, preferably Terraform.
- NoSQL databases, ideally Google Datastore.
- Web development experience (React or Next.js a plus).
- Native mobile development (Swift for iOS or Kotlin for Android).
- Familiarity with data engineering workflows.
- Experience supporting and facilitating team development.
- Experience with RESTful APIs.
Who you are
You enjoy variation in your work across backend systems, internal tools, infrastructure and release processes. You are self-driven, take initiative and are not afraid of large technical challenges. You care about software architecture, delivering high quality solutions and collaborating with others to continuously improve systems.
What’s in it for you
Sleep Cycle offers a supportive and stimulating work environment with kind, talented teammates. You will tackle interesting challenges and contribute to meaningful outcomes while working from the company’s office on the 20th floor of the Kineum skyscraper in Gothenburg.
How to apply
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