Blinkist connects people with powerful ideas from leading authors and experts to broaden perspectives, gain knowledge, and spark understanding in all areas of their life, both personal and professional.
Used by over 32 million people worldwide, Blinkist distills the key ideas from the most relevant, impactful books and podcasts. These can be read or listened to in 15-minute summaries, that we call Blinks. ✨

APPLY NOW

If we’ve captured your interest and you want to take part in changing the world through the power of ideas, apply now and tell us what excited you about this opportunity.
We look forward to hearing from you! ️
Research shows that while men apply to jobs when they meet an average of 60% of the criteria, women and other marginalised folks tend to only apply when they check every box. If you think you have what it takes, even if you don’t meet every single point on the job description, please still get in touch. We’d love to review your application and see if you could be a great fit.
Information on how we process your personal data can be found in our Privacy Policy: Blinkist Privacy Policy (English) / Blinkist Privacy Policy (German

ABOUT THE ROLE

At Blinkist, we’re on a mission to connect people to powerful ideas from the world’s best nonfiction. As part of our Mobile CRO (Conversion Rate Optimization) team, you’ll play a key role in shaping how users experience our app—from onboarding to subscription—and in building the backend infrastructure that powers our paywall, purchase systems, and growth experiments.
We’re looking for a Senior Backend Developer with deep technical expertise, a passion for building scalable systems, and a collaborative mindset to help us elevate the way millions of users engage with Blinkist.
Check out the hiring process for this position here: https://jobs.blinkist.com/jzu

WHAT YOU’LL DO

• Design, implement, and maintain distributed backend systems that serve millions of mobile users.
• Work closely with mobile engineers to deliver seamless backend–frontend integration, especially for onboarding and paywall flows.
• Build and optimize Ruby on Rails services in production, applying advanced performance and refactoring techniques.
• Lead the design and evolution of our microservices, API gateways, and event-driven architectures with a focus on scalability and fault tolerance.
• Take ownership of backend systems that directly impact conversion, such as purchase management, user onboarding, server-driven UI, and subscription logic.
• Improve infrastructure performance and reliability across caching layers, databases, and message brokers like Kafka or RabbitMQ.