BlinkistBL

Senior Backend Engineer

Fit reading into your life. Where do the world’s smartest people get their ideas?

Blinkist

Employee count: 51-200

DE and ES only

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. ✨

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.

What We're Looking For

  • Extensive experience designing and maintaining backend infrastructure, including API modelling, data systems, and service orchestration.
  • At least 5 years of professional experience working with Ruby on Rails in high-scale production environments, including performance profiling, refactoring, and advanced metaprogramming.
  • A track record of designing, scaling, and maintaining microservices and distributed systems.
  • Strong understanding of event-driven architecture, caching strategies, and asynchronous service communication.
  • Collaborative mindset and the ability to partner closely with mobile developers, product managers, and designers.
  • Curiosity to explore and improve growth-critical systems like paywalls, onboarding flows, and subscription logic.

Why Blinkist

  • A meaningful product used by millions worldwide.
  • A culture that supports learning, experimentation, and autonomy.
  • A dedicated personal development budget.
  • Flexible remote work within Germany or Spain.
  • A diverse team that values impact over hierarchy.

These are some of our most valued benefits:

  • 30 PTO days + Wellbeing days + Learning days
  • Flexible approach to work
  • Monthly work-from-home or transport reimbursement
  • One time work from home office set up budget
  • Employee Stock Option Plan
  • Unlimited access to the Go1 Learning Hub and Blinkist app
  • Professional development fund
  • Volunteer leave to give back to the community
  • Family planning & parental leave, plus support for parents returning to work
  • Wellness initiatives and an Employee Assistance Program

If you choose to join our team in Berlin, you'll have access to our modern office space in Neukölln and enjoy healthy plant-based meals prepared fresh every day by our very own chef. 🥑

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 got you excited 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 have a chat 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 job

Apply before

Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Germany +/- 0 hours, and 1 other timezone

About Blinkist

Learn more about Blinkist and their company culture.

View company profile

Fit reading into your life.

Where do the world’s smartest people get their ideas? From great books. Blinkist distills the key insights of 2,000+ bestselling nonfiction books into powerful 15-minute reads or listens for your mobile device. In 2017, our app has been nominated by Apple as one of the best in the App Store. We have received the World Summit Award, granted by the United Nations, in the Learning & Education category, as well as a Google Material Design Award for Brand Expressiveness.

About Blinkist

How a group of readers, writers, developers, designers and planners are bringing the ideas from the best nonfiction to some of the busiest people on the planet.

Almost none of us have the time to read everything we’d like to read. Yet we lose countless hours to activities that bring us little joy such as commuting, chores and staring at our phones. What if we could turn these little blocks of unallocated time into precious and rewarding moments for learning and reflection? Founded in 2012 by four friends, Blinkist now connects 6-million readers worldwide to the biggest ideas from bestselling nonfiction via 15-minute audio and text. So what makes us tick?

1. Creating a meaningful product

To help people integrate fresh and relevant ideas into their busy lives, we created a new format—the book-in-blinks. You get the key insights from a nonfiction book in just 15-minutes, in text or audio to fit the different parts of your day.

2. Humans before algorithms

We collaborate directly with authors as well as combing bestseller lists, new releases and recommendations to find the most intriguing books, which our expert readers distill into short Blinks, fact-checked and quality assured by Blinkist editors.

3. Awards and wonderful teammates

Blinkist’s unique company culture, built on self-organization and transparency, helps us ensure that everything we do is worth the effort we put in. International recognition for our work includes a United Nations World Summit Award in the Learning & Education category, a Google Material Design Award, and we were named one of Apple’s Best Apps of 2017. Find out more about working at Blinkist.

4. Constant discovery

So far we’ve Blinked more than 4,000 books, covering everything from psychology and management to philosophy and mindfulness, with new titles added every day. We’re forever finding fresh ways to help people discover authors, connect topics and expand their world. Try Blinkist.

Who we are

We’re curiosity-driven readers, writers, designers, developers, and strategists from over 40 different countries.

We've come together to share the power of big ideas, build a meaningful product, and foster a supportive culture of self-empowerment, creativity, and trust.

What we do

We create bitesize content products so people can easily fit reading and learning into their lives.

We also love to travel, meditate, play board games, take part in quizzes (and design our own!), play with dogs, DJ, brew beer, celebrate holidays, surprise each other on special occasions, hike, and dance.

Why we do it

We’re on a mission to inspire people to keep learning. In doing so, we lead by example.

By making learning central to what we do, we push boundaries of the unknown, using every chance we get to develop ourselves by improving our product and the world around us.

What we value

These values are the foundation of our unique company culture:

  • Default to Transparency: We share information freely with our colleagues to ensure clarity and alignment.

  • Champion Self - Empowerment: We take the lead and accountability for our goals that serve the greater purpose and mission.

  • Communicate Directly: We know that whatever the question, communication is the answer.

  • Strive to Learn and Grow: We relish the chance to continuously grow and share what we’ve learned so that others can evolve, too.

  • Support Each Other: We help our colleagues, treat them with respect, and celebrate their achievements.

  • Leave Egos Behind: We put the team’s purpose before individual success.

  • Embrace Failure: We dare greatly and learn from our mistakes. We take them as an opportunity to grow.

What we offer

  • Free (healthy) lunch

  • Enjoy delicious, healthy lunch made fresh everyday by our two chefs, Ed & Peter.

  • Opportunity to have an impact

  • Own your field and make key decisions that impact the future of the company.

  • BVG Ticket

  • Get yearly public transport passes to get around town hassle-free.

  • Work from home

  • Decide on your hours and work from home or remotely whenever you like.

  • Take time to recharge

  • Get 30 vacation days per year, national holidays on top!

  • Phenomenal gaming culture

  • We have won trophies for foosball. We’ve designed our own incredibly competitive Mölkky tournament. We are excellent at Werewolf, Avalon, and Exploding Kittens.

  • Work environmentally conscious

  • We track and take actions on our carbon footprints. Work with a company where climate action is seen as a responsibility, and act now, together with us.

Employee benefits

Learn about the employee benefits and perks provided at Blinkist.

View benefits

Employee assistance program (EAP)

Spill for employee Mental Health Support

Take time to recharge

Get 30 vacation days per year, national holidays on top!

Flexible working hours

We accommodate all kinds of lifestyles and life stages. Come work on your terms.

Home office budget

Since you work remotely, we want to make sure your home office is comfortable. You can expense up to €50 per month.

View Blinkist's employee benefits
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