Senior Software Developer - Account Security

3+ months agoAmsterdam, Netherlands

Do you want to learn & influence how we protect and secure accounts at a large scale at Are you interested in helping build the next generation of machine learning capabilities to detect, prevent & remediate credential stuffing, fake accounts and phishing related attacks? Do you want to build, own and deploy scalable, flexible, and high-performance systems?'s Account Security area is seeking a passionate, experienced senior developer who wants to protect the world's largest travel platform against attacks to its account & authorisation system. Your skills will be the foundation of security initiatives that protect the security and privacy of all our customers, partners, and employees.

The Account Security organisation makes security effortless for our different authentication & authorisation platforms. As part of this team, you will be performing security engineering, building advanced and smart detective and preventive controls, developing systems to automate, remediate and advise product and infrastructure teams on how to keep our accounts ecosystem safe.

  • Combine hands on coding with driving impactful project(s) as a technical leader and supporting other team members.
  • Take initiative to address the larger technical needs of the product you work on
  • Focus on moving the business forward, be pragmatic about technology choices
  • Always keep the customer at the center of everything you do
  • Lead initiatives for improvement of development processes and business opportunities for your team's product and the company as a whole by impacting multiple products across the business.
  • Identify, foster, and proactively help colleagues to grow professionally, taking a significant role in onboarding new team members
  • Contribute to the growth of through interviewing or other recruitment efforts
  • Represent values, both in the company and in the external community
  • Advocate a collaborative working environment - make "my ideas" into "our ideas"
  • Lead, manage and resolve technical or design discussions or conflicts
  • Plan for reliability by designing systems to work across our multiple data centers
  • Knowledge of automated software testing, continuous deployment, release management.
  • Information Security knowledge and more specifically knowledge of CIAM - cloud identity management experience
  • 6+ years of experience as a Software Developer
  • 2+ years of java development experience
  • In-depth knowledge of Java ecosystems
  • Very good grip on the JVM internals is a nice to have
  • Experience with debugging and troubleshooting Java services is a nice to have
  • Experience with other languages like Go, Python, Clojure etc is a plus
  • Experience working with and knowledge of Account Security domain and associated problems like Credential Stuffing, Fake Accounts, Accounts Takeover is a plus
  • Experience developing cloud based fraud prevention and authentication applications
  • Experience working with Distributed Service Oriented Architecture patterns
  • Experience with design, development, testing, and monitoring of large-scale and data-intensive systems is a good addition
  • Knowledge of cloud computing fundamentals and experience with AWS and/or GCP
  • Thought leader (leader in the field of own expertise)
  • Excellent communication, influencing, and stakeholder management
  • Experience mentoring, coaching and training newer and less experienced team members
  • You have driven successful technical, business and people related initiatives that improved productivity, performance and quality
  • You have a 'can do' attitude and you act proactively and not reactively
  • Experience with open source is a plus
  • 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.

Job ID: booking-BOOKUS2448617EXTERNAL