Booking NL

Android Developer (For independent contractors)

Posted Aug 27, 2026
Project ID: 13965-1
Location
Amsterdam, NH
Hours/week
40 hrs/week
Timeline
6 months
Starts: Aug 28, 2026
Ends: Feb 27, 2027
Payrate range
50 - 100 €/hr

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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