trivago N.V

"I want a hotel with nightlife, an infinity pool, gourmet food, a sparkling clean room, and a balcony with a view of the ocean."  
  
  
  
This statement exemplifies the types of desires our users have on trivago and our User Profiling team is responsible for knowing and processing what these desires are. This understanding is essential for the optimization of every part of the user's journey on our platform.  
  
Working in User Profiling, you'll have the opportunity to take on this challenge from multiple angles in order to enrich our understanding of our users. You might find yourself working on anything from understanding natural language search queries from the moment users land on trivago and begin to type, to dynamically personalising their hotel search results in near-real time, or even helping users to discover hotels that offer amenities as exciting as an infinity pool.  
  
The User Profiling team consists of 25 passionate software engineers, site reliability engineers, data scientists, data analysts, QA engineers and project managers. We work in a dynamic setup with interdisciplinary teams focused on the backend of search and personalization functionality.   
  
Does predicting the travel desires of millions of trivago users sound exciting? If so, then this is the right position for you read on and apply today!  
  
Get an inside look into tech at trivago:  
  
  
  
  
  
What you'll do:  
  


  * Provide 4 million daily visitors with their ideal hotel through personalization.
  * Contribute to key architecture decisions affecting multiple teams.
  * Build innovative features while writing clean, composable, and testable code.
  * Combine different technologies to design and implement efficient and high performing data-intensive systems.
  * Be creative, challenge yourself and spread the word: Contribute back to open source projects or open-source something yourself.
  * Elevate the output of a cross-functional team by facilitating communication between data 
  * scientists, software engineers, project managers, and other passionate experts.

  
  
What you'll definitely need:  
  


  * An academic degree in the field of Computer Science or relevant experience developing large applications.
  * At least 3 years of experience in software development, ideally in a high-performance web environment.
  * Experienced in Java with in-depth knowledge of the language internals esp. around the topics of Garbage Collection, Memory and Threading.
  * The ability to break down large goals and design solutions into actionable steps with maintainability as a priority.
  * Enthusiasm for sharing knowledge with other people in and outside the team.
  * A strong understanding of English, our official company language.

  
  
What we'd love you to have:  
  


  * Previous experience with AWS or GCP.
  * A solid understanding of distributed systems and their principles such as reliability, scalability, and resilience.
  * A passion for good development practices like test automation, CI/CD, source version control, documentation etc.
  * Good experience with Python.

  
  
What you can expect from life at trivago:  
  


  *  **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 topics thanks to our strong entrepreneurial mindset, our horizontal workflow and self-determined working hours.
  *  **International environment:** Our agile, international culture and environment with talents from 50+ nations encourages mutual trust and creates a safe space to discuss openly and act freely. 
  * **Collaborative spaces:** Our state-of-the-art campus in Düsseldorf offers interactive spaces where we can easily collaborate, exchange ideas, take a break and workout together. 
  * **Relocation:** We offer our international talents support with relocation costs, work permit and visa questions, free language classes, subsidies for public transport, flat search, company pension and insurance.
  *  **Tech Culture:** A conference budget plus internal workshops, guilds, meet-ups and academies, as well as a MacBook Pro 15", a 30" wide-screen display, an adjustable desk, and a pair of Bose QuietComfort headphones for your time in the zone.

  
  
Additional information:  
  


  * trivago N.V. is proud to foster a workplace free from discrimination. We strongly believe that diversity of experience, perspectives, and background will lead to a better environment for our employees and a better product for our users.
  * To find out more about life at trivago follow us on social media @lifeattrivago.
  * To learn more about tech at trivago, check out our blog: https://tech.trivago.com/
  * Want to learn more about trivago's business model to prepare for your interview? Visit https://company.trivago.com/our-product/

Java Software Engineer - Personalization at trivago N.V (Düsseldorf, Germany)

Our Search team is looking for a versatile Java Engineer who is passionate about their craft and has the drive to push technology and business forward!  
  
  
  
The Search domain consists of roughly 30 people software engineers, cloud engineers, data scientists and project managers working in interdisciplinary teams in four different tech areas. Together we are responsible for the development and operation of the complete backend of trivago's main product. By "backend" we mean the client-facing APIs, the search engine itself, a storage engine for prices, and finally services to connect to all our advertisers. Every request on trivago is going through this system. We recently migrated the majority of the backend from On-Premise to the cloud.   
  
If scale and complexity excite you, trivago should be your first choice apply now if you think you'd be a great fit!  
  
Get an inside look into tech at trivago:  
  
  
  
  
  
What you'll do:  
  


  * Build and maintain Java-based applications in the very heart of our Search Engine, processing tens of millions of search requests every day, spread over multiple data centers worldwide.
  * Be involved in and take ownership of the design and implementation of new functionality and platform enhancements.
  * Work closely and collaboratively in an interdisciplinary team and with stakeholders and members of other teams from tech and non-tech areas of trivago.
  * Be creative, challenge yourself and spread the word: Contribute to open source projects or open-source something yourself.
  * Challenge and rethink ideas around our users' journey to finding their ideal hotel.
  * Craft applications that scale from a local developer environment to a global, multi-region cloud environment.
  * Contribute your own improvement ideas from many different areas of computer science, including information retrieval, data processing, data storage, distributed computing, large-scale system design and many more.
  * Take ownership, contribute your ideas and help us to stay one step ahead: You will be encouraged to challenge our current processes and consider what we can do differently while always keeping business priorities and value creation in mind.

  
  
What you'll need:  
  


  * A degree in Computer Science or in a related technical field, or equivalent experience.
  * The ability to comfortably write at least one JVM language, most importantly Java, fluently.
  * A good understanding of the internals of the JVM, esp. around the topics of Garbage Collection, Memory and Threading.
  * Experience in designing and building distributed and scalable systems and enjoy seeing millions of users running your code.
  * Excellent knowledge of software architecture, data structures and modern design patterns.
  * A pragmatic, value-oriented mindset to drive results in a fast-paced environment.
  * A good enough level of English(our company language) to be comfortable speaking it daily.

  
  
What we'd love you to have:  
  


  * A master's degree or PhD in Computer Science.
  * Good experience in building cloud native applications.
  * Experience in using NoSQL technologies, like Redis or Cassandra.

  
  
What you can expect from life at trivago:  
  


  *  **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 topics thanks to our strong entrepreneurial mindset, our horizontal workflow and self-determined working hours.
  *  **International environment:** Our agile, international culture and environment with talents from 50+ nations encourages mutual trust and creates a safe space to discuss openly and act freely. 
  * **Collaborative spaces:** Our state-of-the-art campus in Düsseldorf offers interactive spaces where we can easily collaborate, exchange ideas, take a break and workout together. 
  * **Relocation:** We offer our international talents support with relocation costs, work permit and visa questions, free language classes, subsidies for public transport, flat search, company pension and insurance.
  *  **Tech Culture:** A conference budget plus internal workshops, guilds, meet-ups and academies, as well as a MacBook Pro 15", a 30" wide-screen display, an adjustable desk, and a pair of Bose QuietComfort headphones for your time in the zone.

  
  
Additional information:  
  


  * trivago N.V. is proud to foster a workplace free from discrimination. We strongly believe that diversity of experience, perspectives, and background will lead to a better environment for our employees and a better product for our users.
  * To find out more about life at trivago follow us on social media @lifeattrivago.
  * To learn more about tech at trivago, check out our blog: https://tech.trivago.com/
  * Want to learn more about trivago's business model to prepare for your interview? Visit https://company.trivago.com/our-product/

Senior Java Software Engineer - Search Engine at trivago N.V (Düsseldorf, Germany)

Macabacus

You will be responsible for leading continued development of Macabacus' VSTO add-ins for Excel, PowerPoint, and Word built using .NET Framework and C#/VB.NET.  These add-ins are among the most comprehensive enterprise add-ins available for Office, and are deployed in investment banks, private equity firms, consulting firms, Fortune 500 companies, sovereign wealth funds, and other institutions around the world.

  


Deep familiarity with the Office object model, particularly for Excel and PowerPoint, WPF, and .NET namespaces like System.IO, System.Threading, etc. is important.  Experience with deployment of VSTO add-ins in enterprise environments and related considerations is a must, and SharePoint experience is a plus.

  


Salary and job title will be commensurate with experience in the technologies above.

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