Backend Developer (Kotlin)

About trivago

When travelers are searching for a hotel, we want the obvious choice to be trivago! Our leading metasearch engine is super fast and constantly optimized - enabling millions of travelers to compare hotel prices from hundreds of booking sites and find great deals in just a few clicks. We use cutting-edge technology, real-time auction, and machine learning techniques with petabytes of data to create an experience - time and money saved! In the lively city of Düsseldorf, we seize opportunities to learn every day, innovate, and make an enduring mark on the travel industry. At trivago, you will find those who aren’t afraid of change but rather embrace it, turning every challenge into a pathway for growth. Join trivago, work with a great team, and grow with us!

Position

In a time when the travel industry is evolving, we have the opportunity to help drive this evolution by empowering our advertisers with innovative products and services. As part of this mission, we’re looking for an experienced backend developer who is a technology lover and that would like to work with a very modern, up-to-date tech stack.

We offer an international, results-driven and dynamic environment. If scale and complexity excite you, trivago should be your first choice! Our teams are interdisciplinary and have ownership of both business and technical decisions, which allows you to truly have an impact in your role.

What you’ll do:

• The team will primarily work with Kotlin
• Design, implement and maintain applications and APIs
• Scale and improve existing backend services and user interfaces
• Work in close cooperation with various teams and help to adopt best practices and new technologies
• Support team members’ professional development, technology coaching and share the responsibility for the team and its proper functioning

Your qualification

• 3+ years of experience as a software developer, working with Kotlin
• Solid skills in Java or Python development. Proficiency with SQL 
• Experience with version control and testing
• Understanding of building modern APIs for different clients 
• Experience with microservice-oriented architecture and design
• Knowledge and understanding of agile concepts and methodologies
• Comfortable in Unix/Linux environments
• BS in Computer Science or related technical field

Will be a plus

• Experience with Docker and Kubernetes
• Basic knowledge of frontend technologies
• Familiarity with CI/CD pipelines
• Knowledge of data processing at scale – designing, developing and continually improving tools
• Knowledge of following tools: Redis, Kafka, PostgreSQL, Spark, ElasticSearch

What we offer

• Flexibility: On top of our self-determined working hours, we’re open to mobile work within Germany and encourage talents to split their time between home and our state-of-the-art campus in Düsseldorf. Read more about our hybrid work model here
• Growth: We help you grow as trivago grows through support for personal and professional development, constant new challenges, regular peer-feedback, mentorship and world-class training
• Autonomy: Every talent has the ability to make an impact independently by driving initiatives thanks to our entrepreneurial mindset and horizontal workflow
• International environment: Our agile, international culture and environment with talents from 80+ nations encourages mutual trust and offers diversity of perspectives
• Relocation: We offer our international talents support with relocation costs, work permit and visa questions, free language classes and insurance