Software Engineer II - Backend

Booking.com; Amsterdam; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid working

Ergonomic work environment

Global HQ Amsterdam facilities

Commuting and bike reimbursement

Job summary

Booking.com is looking for a Software Engineer to design and build internal tools, services and integrations that empower the workforce. You will work with Java, SpringBoot and Mulesoft in a hybrid Amsterdam setup, contributing to scalable, reliable IT operations.

The role requires strong API knowledge, experience with distributed systems, and collaboration with non-technical stakeholders across Booking.com and other brands.

Qualifications

• Min 5+ years of experience in the IT industry.
• Minimum of 3 years software development experience.
• Strong knowledge of Java / SpringBoot.
• Experience with Mulesoft and API integration patterns.
• Familiarity with API led design and observability tools.

Responsibilities

• Design, implement and maintain internal tools, systems and services.
• Build integration solutions and liaise with stakeholders to translate requirements.
• Maintain and support existing integration interfaces.
• Deliver technical design and implementation of solutions.
• Own end-to-end service health and performance monitoring.

Skills

Java

Spring Boot

Kafka

REST APIs

Tools

Mulesoft

CloudHub 1.0/2.0

Graphite

Grafana

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.

The ITS Development team in the IT Services department, part of the Central Tech business unit, provides technical expertise to support internal technology platforms and services across the organisation. We are responsible for developing, maintaining, and evolving solutions that enable efficient IT operations, streamline business processes, and improve the employee experience. Our goal is to empower teams with reliable, scalable, and well-integrated technology that supports Booking.com’s business and technology communities.

Within the IT Services Development team, a software engineer takes part in designing, implementing and maintaining internal tools, systems, services and integrations which enable the workforce at Booking.com and other Booking Holdings brands to be mobile and productive.

Role Overview

• User provisioning mechanisms, interconnecting company’s Identity and Authorization Management system to 3rd party applications
• Employee data synchronization and internal exposure services
• Employee Benefits Program management service
• Corporate offices meeting rooms management service
• Employee communications management systems

Programming languages and key technologies used within the team are:

• Hosting platforms: Booking Kubernetes Services (private cloud) / AWS / Mulesoft
• Programming languages: Java, TypeScript
• Other technologies used: Mulesoft, MySQL, Kafka, React

The team (along with the all the Tech & Product teams) uses agile methodology.

Key Job Responsibilities And Duties

• Designing and building software applications, automations and integration by using relevant development languages and technologies, and applying knowledge of systems, services and tools appropriate for the business area
• Build template solutions on complex integration cases and liaise with our business stakeholders and traduce their business needs into Integration solutions.
• Maintaining and supporting existing integration interfaces.
• Createing technical design and actual implementation of solutions.
• Owning a service end to end by actively monitoring application/integration health and performance, setting and monitoring relevant metrics and act accordingly when violated
• Identify and resolve live production issues by mitigating the customer impact within SLA
• Evaluating possible architecture solutions by taking into account cost, business requirements, technology requirements and emerging technologies
• Identifying opportunities for process, system and structural improvements (i.e performance gains) by examining and evaluating current process flows, methods and standards
• Drive and implement solutions for automations or new functionalities in the reliability tools
• Delivering clear, well-structured, and meaningful information to a target audience by using suitable communication mediums and language tailored to the audience

Role Qualifications And Requirements

• Min 5+ years of experience in the IT industry
• Minimum of 3 years software development experience.
• Strong working knowledge and experience with Java / SpringBoot
• Good understanding of concepts such as Mulesoft, EDA, MOA, SOA, SOAP, REST APIs, RESTful, RPC/RFC, event streams such as Kafka and different integration patterns.
• Integration platform experience with Mule 4.x, CloudHub 1.0, (Ideally some experience on CloudHub 2.0)
• Exposure to a variety of enterprise architectures from a large monolithic architecture to hybrid landscapes consisting of distributed systems and microservices and event-driven architectures.
• Experience of API led design using RAML/OAS and experience of supporting APIs through the full API lifecycle and system observability is a plus (Graphite, Grafana etc.)
• Strong analytical and problem-solving skills
• Excellent communication; written and spoken and experience working with non-technical stakeholders

Benefits & Perks: Global Impact, Personal Relevance

• Annual paid time off and generous paid leave scheme including: parental (22-weeks paid leave), grandparent, bereavement, and care leave.
• Hybrid working including flexible working arrangements, working from home furniture and ergonomic support, and up to 20 days per year working from abroad (home country).
• A beautiful sustainable HQ Campus in Amsterdam, that offers on-site meals, coffee, and snacks, multi-faith and breastfeeding rooms at the office.
• Commuting allowance and bike reimbursement scheme.
• Discounts & Wallet credits to spend on our products, upgrade to Booking.com Genius Level 3, and friends & family Booking.com discount vouchers.
• Free access to online learning platforms, development and mentorship programs.
• Global Employee Assistance Program, free Headspace membership.

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.

• This role does not come with relocation assistance, therefore candidates must be currently based in the Netherlands in order to be considered.

Key Skills

• Java
• Python
• AWS

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.