Software Engineer I - Backend

Booking.com; City Of London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Annual paid time off

Hybrid working with abroad days

Product discounts

Job summary

Booking.com in London is seeking a Software Engineer to scale our services and internal systems. You will own development, performance, and the ability to make technical decisions within a collaborative team.

You'll work on scalable, distributed systems, including microservices, data pipelines, and compliance tooling, ensuring reliability and regulatory alignment across the business. Strong Java experience and cloud familiarity are valued.

Qualifications

• Minimum of 2 years of software development experience with 2+ server-side languages; Java required.
• Experience with micro-services is a must.
• Experience building scalable distributed systems and batch processing pipelines.

Responsibilities

• Rapidly developing next-generation scalable, flexible, and high-performance systems.
• Self-starters with a collaborative, “can-do” attitude.
• Solving issues with the systems, prioritizing based on customer impact.
• Advocating development best practices within the team.
• Be owner for teams’ micro-services and services.
• Acting as an intermediary for problems with technical and non-technical audiences.
• Understanding regulatory processes and supporting customers, partners and compliance officers with tooling and reporting.
• Contributing to Booking.com growth through interviewing, onboarding, or recruitment efforts.

Skills

Java

Python

Perl

PHP

Ruby

C#

Golang

Node.js

Microservices

mySQL

Kubernetes

Job description

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.

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.

About the Regtech:

The RegTech department in the Fintech Business Unit at Booking.com is dedicated to ensuring compliance and managing risks through innovative regulatory technology solutions. Our vision is to provide seamless, secure, and efficient regulatory processes that support the overall business objectives and enhance the experience for both our partners and internal stakeholders.

Our key focus areas include:

• Compliance platform: Leverages state-of-the-art technology to execute comprehensive sanctions screening across multiple dimensions.
• Screening & Monitoring: Develop and implement systems to screen partners/customers data, transactions, and business relationships.
• Risk Identification & Mitigation: Identify potential risks, flag suspicious activities, and collaborate with compliance teams to resolve them effectively.
• Regulatory Reporting: Ensure adherence to international regulations by generating accurate, timely reports for regulators and stakeholders.
• Technology Enhancement: Continuously improve algorithms and tools to enhance screening accuracy, reduce false positives, and streamline workflows.

We are committed to building reliable foundations by prioritizing safety, resilience, and compliance in all our regulatory technology solutions. Our innovative approach continuously improves to meet the evolving needs of our business, ensuring that we stay ahead of regulatory changes and maintain the highest standards of compliance.

Role Description:

As a Software Engineer, you are responsible for the development, performance, and scaling of our services as well as internal systems. You will work independently and will also be responsible for making technical decisions within a team.

Key Job Responsibilities and Duties:

• Rapidly developing next-generation scalable, flexible, and high-performance systems
• Self-starters with a collaborative, “can-do” attitude
• Solving issues with the systems, prioritizing based on customer impact
• Advocating development best practices within the team
• Be owner for teams’ micro-services and services
• Acting as an intermediary for problems, with both technical and non-technical audiences
• Understanding the regulatory processes and how to best support our customers, partners and compliance officers. Providing compliance officers/analysts with enhanced tooling experience, analytics and reporting.
• Contributing to the growth of Booking.com through interviewing, on‑boarding, or other recruitment efforts

Qualifications & Skills:

• Minimum of 2 years of software development experience; using 2 or more server-side programming languages. Experience with Java is a must
• Experience with micro-services is a must
• Experience with building highly scalable distributed systems and batch processing pipelines with a focus on data integrity
• Experience with multiple data storage technologies (MySQL, Hadoop, Cassandra)
• Experience with AWS (DynamoDB, RDS, Step functions, EC2, Kinesis) is a plus.
• Experience with unit, integration, and end-to-end testing paradigms
• Experience with defining and upholding SLOs/KPIs and participating in architecture reviews for systems
• Experience with Regulation, compliance policies is a plus
• Past experience with payments or FinTech is a plus
• Experience with security challenges for authentication and authorization
• Experience of working on products that impact a large customer base and have a company-wide impact.
• Experience in working with teams, colleagues spread across geographical locations is a plus.

Benefits & Perks - Global Impact, Personal Relevance:

• 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

Diversity, Equity and Inclusion (DEI) at Booking.com:

Diversity, Equity & Inclusion 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 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:

• 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.

Relocation support cannot be provided for this role and therefore candidates must be currently based in London in order to be considered.

Key Skills:

• Java
• Python
• Perl
• PHP
• Ruby
• C#
• Golang
• Node.js
• Microservices
• mySQL
• Kubernetes

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.