Your mission We are a worldwide gaming loyalty platform operator and publisher. Our purpose is to enable free-to-play mobile game players to get rewarded for their hobby. We launched JustPlay in the US in 2020, and now our product is one of the leading loyalty rewards apps in the world. Our team is based in 19 countries and our headquarters is in Berlin, Germany. We are looking for a 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! Job responsibilities 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 The experience we hope you bring to JustPlay 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 Our benefits package: 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 team of 25 nationalities, working from 19 countries around the world Why us? A spirited, inspiring, multicultural, and enthusiastic team An organization with a high level of trust and sense of belonging among employees, that prioritizes employee quality of life, job satisfaction and professional development An opportunity to be a part of a company that’s breaking with traditional ideas and taking a new approach that’s shattering how the games industry works About us JustPlay is a worldwide gaming loyalty platform operator and publisher. Our purpose is to enable free-to-play mobile game players to get rewarded for their hobby. We launched JustPlay in the US in 2020, and now our product is one of the leading loyalty rewards apps in the world and our games are enjoyed by millions of players (our solitaire game is one of the top 5 most downloaded card games in the US). Our team is based in 19 countries and our headquarters are in Berlin, Germany. While developing our loyalty app and awesome games, we value fairness, having fun together, creativity and focusing on the things that matter.