Booking Holdings Romania - Senior Cloud Software Engineer

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 five-primary consumer facing brands: Booking.com, Priceline, Agoda, KAYAK and OpenTable.

Role description

The vision of Cloud Engineering is to provide the capabilities that enable the Booking.com tech community to build and manage world-leading cloud native applications for the online travel market and unlock Connected Trip.

Our mission is to provide the foundation, building blocks, training, security & compliance capabilities, cost management capabilities, enablement & operational support that allow all workloads to be built on one cloud platform in AWS. We will provide a platform and toolset that enables our customers to realize the speed and agility benefits of the AWS platform, providing access to a rich ecosystem of technology services spanning from infrastructure primitives to data and machine learning, to security, quantum computing prototyping, business applications and more.

The Cloud FinOps Engineering team is central to this journey, driving the adoption of cloud in a cost-conscious manner and ensuring teams maximize their use of AWS cloud offerings.

We are looking for an experienced Senior Cloud Software Engineer to join the Cloud FinOps Engineering team. In this role, you will be involved in developing cloud-based solutions, automating infrastructure, and helping teams optimize their cloud usage. As a Senior Cloud Software Engineer you will contribute also to architectural decisions and mentor the engineers within the team while promoting best practices.

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

Key Job Responsibilities and Duties 

• FinOps Apps & Integrations: Build software applications using relevant programming languages, integrating systems, services, and tools to provide cloud spend reporting and optimization opportunities for teams.

• End-to-End Ownership: Develop cloud-native applications and own services from development to production, monitoring performance, health, and metrics. Maintain, support and develop the services using engineering tools appropriate for the business area such as: GitLab, Harness, CoDeploy, Cloudability, AWS API’s, Artifactory

• Automation & Tooling: Use technologies like Terraform, AWS CDK, AWS API’s, Gitlab CI to create automated infrastructure solutions that optimize cloud resource usage and encourage cost-efficient practices.

• Cloud Optimization: Collaborate with teams to help right-size cloud infrastructure, select optimal services, and implement cost-effective cloud designs.

• Collaboration & Guidance: Partner with development teams across the organization to implement cloud governance best practices and improve application cost efficiency.

• Mentoring: Lead by example, coaching the engineers within the team and promoting best practices in cloud and FinOps engineering.

Role Qualifications and Requirements

• 5+ years of software engineering experience working with at least one major programming language like Java, Golang, Node JS, Typescript. Skilled in deploying applications to the cloud, utilizing tools like GitHub CI, Harness or other CI/CD pipelines for seamless deployment.

• Strong knowledge of software system and cloud design, ideally on AWS.

• Hands-on experience with infrastructure-as-code (Terraform, AWS CDK) and cloud-native application development.

• Experience in technical leadership, mentoring, and owning end-to-end systems.

• Strong communication skills, demonstrated by delivering clear, well-structured, and relevant information tailored to the target audience.

• Proactive problem solver with critical thinking skills, able to evaluate trade-offs between performance, cost, and technology.

• Bachelor Degree

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.

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.