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Android Developer (For independent contractors)

Booking.com
mid-level
Location

Amsterdam, Netherlands

Work Type

Onsite

Seniority

mid-level

Posted

August 27, 2026


Total Compensation
€130,000
Yearly Savings (Comfortable)
€52,000
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Job Description

Key Responsibilities Building software applications

  • Is responsible to build software applications by using relevant development languages and applying knowledge of systems, services and tools appropriate for the business area
  • Is responsible to write readable and reusable code by applying standard patterns and using standard libraries
  • Is responsible to refactor and simplify code by introducing design patterns when necessary
  • Is responsible to ensure the quality of the application by following standard testing techniques and methods that adhere to the test strategy
  • Is responsible to maintain data security, integrity and quality by effectively following company standards and best practices

End to End System Ownership

  • Has sufficient knowledge to own a service end to end by actively monitoring application health and performance, setting and monitoring relevant metrics and act accordingly when violated
  • Has sufficient knowledge to reduce risk and obtain customer feedback by using continuous delivery and experimentation frameworks
  • Has sufficient knowledge to independently manage an application or service by working through deployment and operations in production

Software Systems Design

  • Has sufficient knowledge to evaluate possible architecture solutions by taking into account cost, business requirements, technology requirements and emerging technologies
  • Has sufficient knowledge to describe the implications of changing an existing system or adding a new system to a specific area, by having a broad, high-level understanding of the infrastructure and architecture of our systems
  • Has sufficient knowledge to meet business needs by designing solutions that meet current requirements and are adaptable for future enhancements

Critical Thinking

  • Is responsible to systematically identify patterns and underlying issues in complex situations, and to find solutions by applying logical and analytical thinking.

Requirements Of Special Knowledge/skills

  • 8-10 years of experience
  • Kotlin
  • Has worked on consumer-facing apps in the past
  • Independent
  • Self starter, high agency
  • Has great communication skills and able to communicate with the internal community and the stakeholder
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