Senior Software Developer - Core Infrastructure - Database Engineering BV
Amsterdam, Netherlands
1 dag geleden

It wasn’t so long ago that booking a trip so see the Eiffel Tower, stroll down New York’s iconic Madison Avenue or feel the sand between our toes on Copacabana Beach was simply a matter of a few taps on our smartphone.

In fact, that’s what we do at We make it easier for everyone to experience the world. And while that world might feel a little farther away right now, we’re busy preparing for when the world is ready to travel once more.

Across our offices worldwide, we continue to innovate. To solve for some of the most complex challenges in travel and technology, and to plan for the exciting developments that lie ahead.

With strategic long-term investments into what we believe the future of travel can be, we are opening up new career opportunities that will have a strong impact on our mission.

We are united in the belief that our very human desire to explore the planet’s beauty and discover more about other people and cultures will endure.

The world is waiting for us. Together, we will be ready.

Database Engineering

In Application Data Services we are operating a fleet of thousands of database instances in hundreds of replication hierarchies, some with hundreds of members, some with sizes up to hundred Terabytes, and some with a transaction rate that pushes the boundaries of what the hardware can do.

We are also taking care of developer needs, providing services to automate grant management, data ownership, online schema management, and monitoring and alerting.

We are using Python and Go, CI / CD in gitlab, Puppet, and some bits and pieces in other languages and systems.

Of course, this is only possible because the provisioning, maintenance and operations of these servers is automated. And maintaining, improving and refactoring this automation is what the SRE job is about : We code our way out of problems where operations are concerned, addressing availability, scalability, latency, and efficiency challenges within the vast infrastructure here at Booking.

  • You will impact millions of people all over the globe with your creative solutions
  • You will be working in one of the biggest e-commerce companies in the world
  • You will solve interesting problems at scale by writing and deploying code across tens of thousands of servers
  • You will have the opportunity to collaborate with many of the world’s leading SREs
  • You will be free to launch your own ideas and solutions within our complex production environment
  • Our automation is written in Python and Go, and is interfacing with a number of systems, among them our Puppetry, Openstack, Kubernetes, PowerDNS, Graphite, Prometheus, Zookeeper, and many more.


    As a Senior Developer in the data infrastructure team, you will be responsible for planning, building, improving and refactoring solutions that solve these problems.

    You will also share the on-call rotation and be an escalation contact for incidents. You will be working in close collaboration with multi-functional teams in Core Infrastructure and in the Application Teams.

  • It’s MySQL, thousands of instances in hundreds of replication hierarchies, some of them seeing substantial load, the foundation of our Application Data Infrastructure.
  • It’s automated. But as our systems are evolving, this automation needs improvement, extension and refactoring to meet the changing requirements of a different environment.
  • It’s Python, and Go. And being at the center of most, if not all applications, it is literally talking to everything else.
  • It’s moving to all the platforms, including Openstack, Kubernetes and the public cloud.
  • It’s dynamic. With automated capacity testing, restore testing, failover testing and disaster recovery testing, it needs to be able to adapt to planned and unplanned changes in the production conditions and environments.
  • Sometimes it has problems. Sometimes our customers make problems. Good monitoring and alerting are required be aware of problems as they develop, or ideally before they develop.
  • It’s in multiple data centers, ours and in the public cloud. Replication and communication over long distances pose their own scaling and performance problems.

  • A solid understanding of MySQL operations, scalability and performance, with a focus on replication, large-scale environments and InnoDB.
  • The will and skill to completely automate the database lifecycle as scale.
  • Experience with building and maintaining a complex database environment, at scale and in a distributed environment with a variety of underlying technologies.
  • Solid understanding of Linux administration and networking as a foundation of operating applications in a Linux environment.
  • The ability to define the metrics that define the health and success of the production environment you built.
  • Creative approach to problem-solving
  • Fluency in the English language both spoken and written
  • Additional experience in networking, security or storage is an advantage
  • B. Offered

  • Living and working 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 utilize technical expertise, leadership capabilities and entrepreneurial spirit
  • Promote and 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
  • 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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