Junior Developer - Accommodations Tech
Amsterdam, Netherlands
1 dag geleden

At Booking.com, data drives our decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A / B tests.

We’re the thrill of the first night in a new place. The excitement of the next morning. The friends you make. The journeys you take.

The sights you see. And the food you sample. Through our products, partners and people, we can empower everyone to experience the world.

With over 1.6 million room nights booked every day, Accommodation represents the largest share of our business to date. We are responsible for accommodation growth, with clear ownership of all marketing, product and supply related to accommodations.

Our mission is to deliver the best customer experience and most varied selection of properties.


As a Junior Software Developer at Booking, you are responsible for the development, performance, and scaling of our public website as well as internal systems.

You will work in a cross functional team, where you will learn and team up with others but also have the ability to make an individual impact.

You will :

  • Build products to address the needs of our partners and customers
  • Optimise our existing products
  • Contribute to our modernisation efforts by transitioning to service-oriented architecture (where applicable)
  • Collaborate with top notch senior engineers and learn best practices
  • You will be assigned a buddy who will help you navigate a high-paced business environment.
  • Important aspects of the job include :

  • Rapidly developing next-generation scalable, flexible, and high-performance systems.
  • Solving issues with the site and internal systems, prioritising based on customer impact
  • Acting as an intermediary for problems, with both technical and non-technical audiences
  • Testing; we run thousands of experiments at one time. We built one of the most advanced A / B testing platforms in the industry.
  • While most of our products are developed in Perl, we are expanding our tech stack as we move more towards a SOA architecture and to the cloud.
  • Our tech stack for backend includes : Perl, Java, Kafka, Kubernetes, Cassandra and MySQL. Perl is very effective when it comes to rapid prototyping, which our product development teams do a lot.

    It’s not necessary to know Perl before you start. We are not just using the language, we influence the future of the language.


    We are looking for motivated Junior Developers who enjoy solving problems which could benefit Booking.com’s customers; who initiate solutions and discussions and who believe that any challenge can be scaled with the right mindset and tools.

    We have found that people who match the following requirements are the ones who thrive with us :

  • Minimum 1 year of software development experience; using one or more server side programming languages. Preferably Perl, Java, Python, Scala, C++ etc.
  • Demonstrable experience with MySQL and PostgreSQL or similar relational databases
  • Bachelor in Mathematics, Software Engineering, Computer Science or equivalent is preferred
  • Excellent communication; written and spoken
  • Fluent in English
  • Previous experience with distributed systems is an advantage
  • Experience working on products that impact a large customer base is an advantage
  • B.Offered

    This role is open to candidates worldwide. We provide assistance for you and your family (if applicable) with a generous relocation package, ensuring a smooth transition to working and living in Amsterdam, one of the most cosmopolitan cities in Europe.

  • Contributing to a high scale, complex, world renowned product and seeing real-time impact of your work on millions of travellers worldwide
  • Working in a fast-paced and performance driven culture
  • Opportunity to grow your technical expertise, capabilities and entrepreneurial spirit
  • Promote and help drive impactful and innovative engineering solutions
  • Technical, behavioural and interpersonal competence advancement via on-the-job opportunities, experimental projects, hackathons, conferences and active community participation
  • Competitive compensation and benefits package and some great added perks of working in the home city of Booking.com
  • Booking.com is proud to be an equal opportunity workplace and is an affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

    We strive to move well beyond traditional equal opportunity and work to create an environment that allows everyone to thrive.

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