Full Stack Software Engineer II

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 make. The journeys you take. The sights you see. And the food you sample. Through our products, partners, and people, we make it easier for everyone to experience the world. Flights Mission and Purpose Our flight business is one of the cornerstones of the connected trip. We ought to offer the best and most convenient flights to every customer, those that start their trip by buying a flight or those that are complementing their existing journey with a flight. We will do this by having the best user experience available in a product that solves all the pain points of booking a flight today. Flights Order Management Team Flights Order Management is looking for a talented engineer to join the team in improving the customer booking experience and optimising the issuance rate. We are responsible for the entire reservation process and post booking modifications in Flights – everything from placing an order to improving the booking successful rate, the reservation flow and post booking changes. The team is in a really exciting phase, rebuilding our core reservation flows, introducing a new service with modern technologies to support multi‑supplier architecture and is planning to use native AWS services such as EventBridge and SQS to build reliable, scalable, and event‑driven systems. What you’ll do Work on critical customer‑facing and internal flows, solving complex technical challenges. Contribute to end‑to‑end solutions, from backend services to frontend features. Collaborate with product, data, engineering, and customer support stakeholders. Drive improvements in system reliability, scalability, and data integrity. Key Job Responsibilities and Duties Our ideal candidate has an excellent eye for detail, pragmatic approach and an absolute commitment to making sure features are well implemented and bug free. We make our decisions based on experiments and testing, so you should be excited by taking a data‑led approach to development. If you believe you’re also a passionate advocate for the user, and are looking to work in an agile, collaborative environment then we would like to hear from you Rapidly developing next‑generation scalable, flexible, and high‑performance systems. Solving issues with the systems, prioritising based on customer impact. Advocating best development practices within the team. Be owner for teams’ microservices and services. Acting as an intermediary for problems, with both technical and non‑technical audiences. Collaborating with adjacent teams and other stakeholders to deliver on business objectives. Contribute to Booking.com’s growth through interviewing, on‑boarding, or other recruitment efforts. Experience working on products that impact a large user base or in an entrepreneurial startup environment. Passionate learners who aren’t afraid of new tools and technologies to build a great end‑to‑end customer experience. Role Qualifications and Requirements We are looking for driven developers 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 are the ones who fit us best: Minimum of 3 years of professional software development experience. Hands‑on experience with 2 or more server‑side languages with strong proficiency in Java and Spring Boot (required). Solid understanding of frontend development, including modern frameworks such as React, Angular or Vue.js. Experience with microservices is a must. Experience with building highly scalable distributed systems and batch processing pipelines with a focus on data integrity. Knowledge of relational and/or NoSQL databases. Experience with unit, integration, and end‑to‑end testing paradigms. Experience with defining and upholding SLOs/KPIs and participating in architecture reviews for systems. Hands‑on experience with native AWS services such as EventBridge, SQS and Lambdas is a plus. Past experience with Reservation processes is a plus. Experience of working on products that impact a large customer base and have a company‑wide impact. Excellent communication; written and spoken. Benefits & Perks Booking.com’s total rewards philosophy is not only about compensation but also about benefits. Our rewards are aimed at making it easier for you to experience all that life has to offer — all the messy, beautiful, and joyful bits — on your terms. So you can focus on what really matters. We offer competitive compensation as well as thoughtful, valuable, and even fun benefits which include: A phenomenal office in the heart of London Lunch vouchers, coffee, and snacks, including healthy and vegan options, daily. 25 days’ paid holiday plus bank holidays (rising to 28 days after 3 years of service) Health & well‑being benefits such as mental health support, access to health insurance, etc. Employer contribution pension Industry‑leading parental leave and adoption leave Phenomenal discounts on accommodation, car rentals and other group benefits From day one of your employment with us, we offer 22 weeks’ fully paid leave for all new parents, regardless of gender or the way you become a parent. Carer’s leave. 10 days’ fully paid leave per year for colleagues who are caring for ill family members. Hybrid Working (UK): We believe in office attendance at least 40% of your time whilst empowering you with the flexibility to plan where to do your best work. #ThinkInclusion: Wellbeing & Inclusion at Booking.com https://careers.booking.com/our-diversity/ Inclusion, Diversity, Belonging, Wellbeing and Volunteering (IDBWV) have 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 a unique 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 will ensure that individuals with disabilities are provided reasonable adjustments to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Please contact us to discuss any requirements. 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, 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. Career Development Opportunities At Booking.com, we’re constantly growing and we want to provide resources to help grow your career. Free access to online learning platforms Development and mentorship programs to support career growth Access to trainings and workshops Team development opportunities Application process Please submit your application via the ‘Apply Now’ button above, your details will be reviewed by one of our Recruiters. Let’s go places together: How we Hire The interview process includes an initial pre-screening hackerrank coding challenge. This role does not come with relocation assistance. 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. #J-18808-Ljbffr