Booking Holdings Romania is a Center of Excellence based in Bucharest, Romania and was created to support the increasing business demands of the Booking Holdings Brands. The Center of Excellence provides access to specialized and highly skilled talent, leading industry best practices, and collaboration opportunities across all of our Brands.

As part of our Booking Holdings Romania team, you will have the opportunity to be a part of the world's leading provider of online travel, with a mission of making it easier for everyone to experience the world through six-primary consumer facing brands: Booking.com, Priceline, Agoda, KAYAK, OpenTable and Rentalcars.com.

Role description

At Booking Holdings, we make it easier for everyone to experience the world. Behind our seamless customer experience is a massive, highly complex, and relentlessly scalable infrastructure. We are looking for passionate Software Engineers to join our Bucharest Centre of Excellence and build the next generation of scalable, flexible, and high-performance systems.

Whether you are fortifying our security infrastructure against cyber threats, scaling our public-facing APIs for global partners, or engineering proactive reliability tools, your code will impact millions of travelers globally.

This role provides a hybrid way of working with an onsite presence of 2 days/week.

Key Job Responsibilities and Duties

• Build & Scale: Develop robust, high-volume backend microservices and distributed applications using Java and Spring Boot.

• Own the Code: Take features from design and implementation through to deployment and production monitoring.

• Solve Real Problems: Address complex technical issues within distributed systems, prioritizing based on customer impact and performance metrics.

• Collaborate: Partner closely with autonomous, cross-functional teams to deliver secure, resilient, and cloud-native solutions.

• Innovate: Apply modern engineering best practices (TDD, Domain-Driven Design, Observability) to maintain clean, reusable code.

Tech you'll use:

• Languages: Deep focus on Java (with opportunities to touch Python, C#, or React/TypeScript depending on the team).

• Data & Eventing: Kafka, Cassandra, DynamoDB, Redis, MySQL, PostgreSQL.

• Cloud & Infrastructure: AWS, Docker, Kubernetes, Terraform.

• Observability: Grafana, OpenTelemetry.

Role Qualifications and Requirements

• Experience: 3+ years of software engineering experience, primarily using server-side languages (Java strongly preferred).

• System Knowledge: Hands-on experience building and maintaining scalable microservices and APIs.

• Tech Foundations: Demonstrable experience with relational databases and an understanding of messaging systems (like Kafka).

• Mindset: A continuous improvement mindset with a passion for learning emerging technologies and modern engineering practices.

• Communication: Excellent written and spoken English, with the ability to discuss technical problems clearly.

Benefits & Perks

• Contributing to a high scale, complex, world renowned product and seeing real-time impact of your work on millions of travelers worldwide

• Working in a fast-paced and performance driven culture

• Technical, behavioral and interpersonal competence advancement via on-the-job opportunities, experimental projects, hackathons, conferences and active community participation

• Competitive compensation and benefits package

• Vast amounts of data to validate your ideas and the opportunity to experiment with real users

Booking Holdings 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.

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.