Senior Backend Engineer

Kraków, Poland

Senior Backend Engineer at Keepsafe

Keepsafe is a four-year old, profitable, post-series A startup with over 60 million users globally on iOS and Android. Our founders are serial entrepreneurs from Germany who appreciate ambitious and independent thinking, precision, beautiful code, and above all else privacy! 

As a Senior Backend Engineer at Keepsafe you’ll empower millions of people who use our apps daily. You’ll have the opportunity to make a direct impact immediately. You’ll work autonomously and design and own a significant part of our codebase. You’ll help the team scale, develop core pieces of infrastructure, and solve hard problems.

*This position is located in Kraków, Poland.


    • Bachelor’s degree in Computer Science, Computer Engineering or equivalent combination of education and experience.
    • 5+ years of professional programming experience and deep knowledge in one or more programming language
    • Deep knowledge in Python3
    • Experience with AWS - especially EC2, DynamoDB
    • Experience shipping production code and building well-designed APIs
    • Experience with distributed systems
    • Comfortable with Keepsafe's web stack
    • Comfortable with mobile app development
    • Proficient English language skills

Nice to Have

    • Startup experience preferred
    • Experience using Keepsafe a plus!
    • Passionate about the Keepsafe mission

Our Tech Stack

    • Android - Kotlin
    • iOS - Swift 3
    • Python3.x
    • AWS
    • Postgres
    • Java

About Keepsafe: 

Keepsafe’s mission is to make privacy and security simple. We believe that everyone should have the same control of privacy in their digital life as they do in their physical life. We’re working on a family of products to make it easy for people to protect their personal space. With over 60 million users on our existing products—we’re just getting started.  

Our engineering team is at the forefront of security, smart encryption, key management, data transcoding, secure and fast cloud sync, and back-end custom analytics development for the future. By working at Keepsafe, you can expect to collaborate directly with our product and design teams and work with your peers to make impactful decisions about how things get done. Learn more about some of our software on Github and our Engineering blog.

Our Recruitment Process:

Our interview process consists of several stages, each one allowing us get to know you better, professionally and technically. It is also an opportunity for you to gain a better understanding of our culture and the work we do. We move quickly and go from initial screen to an on-site within a week or less pending availability. If all goes well, we will have an offer by the end of the full day on-site. 

Read our CEO’s post about "test driving" at Keepsafe to learn more about our hiring process!