Senior Software Engineer

Job Title: Senior Software Engineer

About Us:

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 encounter. The journeys you take. The sights you see. And the memories you make. Through our products, partners and people, we make it easier for everyone to experience the world.

Our mission at Booking.com is to create visionary, innovative, and personalised travel experiences for millions of customers all over the world. Across our offices worldwide, we continue to innovate by solving some of the most complex challenges in travel and technology, and to plan for the exciting developments that lie ahead through strategic long-term investments into what we believe the future of travel can be.

Role Description:

The Senior Engineer will have an opportunity to lead a high performance team towards achieving highly visible company priorities in a technically complex environment. Your help will be needed to understand complex code bases, introduce refactorings, automated testing and monitoring to ensure safe migrations and continued operations of the customer service backends.

Key Responsibilities & Duties:

• Rapidly developing next-generation scalable, flexible, and high-performance systems, with end-to-end ownership by monitoring and adjusting SLIs and SLOs.
• Solving issues with the mobile apps, website and internal systems, prioritising based on customer and business impact.
• Acting as an intermediary for problems, with both technical and non-technical audiences
• A/B Testing; we have thousands of experiments running at the same time, interacting with each other.
• Evaluating customer needs and coming up with ideal solutions for it; assessing different programming languages, architecture, and risks.
• Contributing to the growth of Booking.com through interviewing, on-boarding, or other recruitment efforts.

Role Qualifications & Requirements:

We are looking for driven Senior Software Engineers who enjoy solving problems, 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 thrive in this fast paced environment:

• You are a humble and thought leader, you lead by example and gain your teammates respect through your actions and not your title.
• You have strong programming skills and experience with 2+ server-side programming languages.
• You have min 7+ years of experience as a Software Engineer, you've worked with web applications, distributed systems and product(s) that impact millions of customers.
• You have a solid understanding of Service Oriented Architecture, Microservices & OOP patterns - and you mastered explaining these concepts to others.
• Having experience with Java, Kubernetes, Kafka, and AWS is a plus.
• You have strong technical knowledge in building APIs and performance optimisation in both service and database level.
• You own your systems end-to-end and are comfortable performing incident management.
• You are an excellent communicator and you are able to influence and cooperate with people at all levels.
• 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.
• It would be great if you have prior experience with mentoring, coaching and training team members

Benefits & Perks - Global Impact, Personal Relevance:

Booking.com's Total Rewards Philosophy is not only about compensation but also about benefits. We offer a competitive compensation and benefits package, as well unique-to-Booking.com benefits which include:

• Annual paid time off and generous paid leave scheme including: parent, grandparent, bereavement, and care leave
• Hybrid working including flexible working arrangements, and up to 20 days per year working from abroad (home country)
• Industry leading product discounts - up to 1400 per year - for yourself, including automatic Genius Level 3 status and Booking.com wallet credit

Inclusion at Booking.com:

Inclusion has been a core part of our company culture since day one. This ongoing journey starts with our very own employees, who represent over 140 nationalities and a wide range of ethnic and social backgrounds, genders and sexual orientations.

Take it from our Chief People Officer, Paulo Pisano: "At Booking.com, the diversity of our people doesn't just build an outstanding workplace, it also creates a better and more inclusive travel experience for everyone. Inclusion is at the heart of everything we do. It's a place where you can make your mark and have a real impact in travel and tech."

We ensure that colleagues with disabilities are provided the adjustments and tools they need to participate in the job application and interview process, to perform crucial job functions, and to receive other benefits and privileges of employment.

Application Process:

This section should provide:

• Let's go places together: How we Hire
• This role does not come with relocation assistance.

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, color, 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.

Key Skills

Pre-Employment Screening

If your application is successful, your personal data may be used for a pre-employment screening check by a third party as permitted by applicable law. Depending on the vacancy and applicable law, a pre-employment screening may include employment history, education and other information (such as media information) that may be necessary for determining your qualifications and suitability for the position.

Client-provided location(s): Amsterdam, Netherlands

Job ID: booking-27853

Employment Type: OTHER

Posted: 2026-01-14T18:35:59