Just Play GmbH

Mobile Gaming Apps

JustPlay GmbH

51-200

Germany

We are looking for a Senior Backend Engineer to join our engineering team. We seek someone who thrives in a dynamic, fast-paced environment, is always learning, and eager to make a meaningful impact on our product and users' experience. If you enjoy working with cutting-edge technology and building scalable, efficient backend systems, we’d love to hear from you!

## Tasks

*   Design, develop, and implement scalable backend services for the JustPlay platform
*   Work closely with the product team to enhance performance and functionality
*   Manage and optimize our backend codebase, ensuring high availability, reliability, and performance
*   Implement microservices architecture and ensure seamless integration with other systems
*   Stay ahead of technology trends, introducing best practices to improve development efficiency

## Requirements

*   You have deep knowledge of Java, OOP, and programming best practices
*   You possess solid experience with SQL (MySQL) and database design
*   You have hands-on experience with public cloud platforms (preferably GCP) and microservices architecture
*   You excel in algorithmic thinking and problem-solving  

**Nice to Have:**
*   You have experience with Kotlin (as JustPlay’s backend is written in Kotlin)
*   You are familiar with tools like Google Guice, Gradle, Liquibase, gRPC, and Terraform

## Benefits

*   **Work-Life Balance and Flexibility**: Flexible working hours and options for digital nomads, occasional office visitors, or regular office-goers
*   **Employee Stock Options**: Opportunity to join our Virtual Share Option Program (VSOP) and share in the success of an already profitable company
*   **Mental Health Support**: Free personal coaching through our partner nilo.health to support our team members to live fulfilled lives at home and at work
*   **Training & Development**: A competitive personal development budget of up to 2000€/year for training, conferences, workshops, etc., and free language courses with Chatterbug
*   **Germany-Based Benefits**: 25 vacation days, free Gympass gold subscription, free monthly Deutschland-Ticket, and a monthly €50 tax-free internet contribution
*   **State-of-the-Art Equipment**: Doesn’t matter if you are a MacBook or Windows user; we will provide you with the technical gear you need to succeed
*   **A Relocation Package**: Includes visa support for those who need it
*   **Berlin Office Perks**: Ergonomic setup, free daily lunch, and a dog-friendly environment.
*   **Engaging and Diverse Work Environment**: Join a diverse team, with over 30 nationalities working from 20 different locations

\*Benefits may vary depending on location and contract type. Do not hesitate to ask us about more details on our benefits offer.

**About us**  

Come join the company that’s transforming the world of mobile gaming by making playtime truly rewarding. At JustPlay, we’re on a mission to build a fairer, more sustainable Play-to-Earn ecosystem - one where players are rewarded for their time, and engagement drives continuous growth.

Since launching in 2020, we’ve grown into one of the world’s leading loyalty gaming platforms, with over 25 million downloads and 500,000+ daily active users. Bootstrapped and headquartered in Berlin, our global team spans 20+ countries and is united by a belief in fun, fairness, and meaningful impact.

We’re leading a massive shift in the gaming industry - but it’s still early enough for you to make your mark. At JustPlay, you’ll have the freedom to shape bold ideas, drive real impact, and be part of a company that’s not just growing fast - but growing right.

Employee

Professional / Experienced

We are looking for a Senior Backend Engineer to join our engineering team. We seek someone who thrives in a dynamic, fast-paced environment, is always learning, and eager to make a meaningful impact on our product and users&#39; experience. If you enjoy working with cutting-edge technology and building scalable, efficient backend systems, we’d love to hear from you!
<h2 id="tasks">Tasks</h2>
<ul>
<li>Design, develop, and implement scalable backend services for the JustPlay platform</li>
<li>Work closely with the product team to enhance performance and functionality</li>
<li>Manage and optimize our backend codebase, ensuring high availability, reliability, and performance</li>
<li>Implement microservices architecture and ensure seamless integration with other systems</li>
<li>Stay ahead of technology trends, introducing best practices to improve development efficiency</li>
</ul>
<h2 id="requirements">Requirements</h2>
<ul>
<li>You have deep knowledge of Java, OOP, and programming best practices</li>
<li>You possess solid experience with SQL (MySQL) and database design</li>
<li>You have hands-on experience with public cloud platforms (preferably GCP) and microservices architecture</li>
<li>You excel in algorithmic thinking and problem-solving</li>
</ul>
Nice to Have:
<ul>
<li>You have experience with Kotlin (as JustPlay’s backend is written in Kotlin)</li>
<li>You are familiar with tools like Google Guice, Gradle, Liquibase, gRPC, and Terraform</li>
</ul>
<h2 id="benefits">Benefits</h2>
<ul>
<li>Work-Life Balance and Flexibility: Flexible working hours and options for digital nomads, occasional office visitors, or regular office-goers</li>
<li>Employee Stock Options: Opportunity to join our Virtual Share Option Program (VSOP) and share in the success of an already profitable company</li>
<li>Mental Health Support: Free personal coaching through our partner nilo.health to support our team members to live fulfilled lives at home and at work</li>
<li>Training &amp; Development: A competitive personal development budget of up to 2000€/year for training, conferences, workshops, etc., and free language courses with Chatterbug</li>
<li>Germany-Based Benefits: 25 vacation days, free Gympass gold subscription, free monthly Deutschland-Ticket, and a monthly €50 tax-free internet contribution</li>
<li>State-of-the-Art Equipment: Doesn’t matter if you are a MacBook or Windows user; we will provide you with the technical gear you need to succeed</li>
<li>A Relocation Package: Includes visa support for those who need it</li>
<li>Berlin Office Perks: Ergonomic setup, free daily lunch, and a dog-friendly environment.</li>
<li>Engaging and Diverse Work Environment: Join a diverse team, with over 30 nationalities working from 20 different locations</li>
</ul>
*Benefits may vary depending on location and contract type. Do not hesitate to ask us about more details on our benefits offer.
About us 
Come join the company that’s transforming the world of mobile gaming by making playtime truly rewarding. At JustPlay, we’re on a mission to build a fairer, more sustainable Play-to-Earn ecosystem - one where players are rewarded for their time, and engagement drives continuous growth.
Since launching in 2020, we’ve grown into one of the world’s leading loyalty gaming platforms, with over 25 million downloads and 500,000+ daily active users. Bootstrapped and headquartered in Berlin, our global team spans 20+ countries and is united by a belief in fun, fairness, and meaningful impact.
We’re leading a massive shift in the gaming industry - but it’s still early enough for you to make your mark. At JustPlay, you’ll have the freedom to shape bold ideas, drive real impact, and be part of a company that’s not just growing fast - but growing right.

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