Software Engineer (For independent contractors)

We’re looking for two developers for the User Interface team at Booking.com.

Requirements:

Frontend Developer:

• Minimum of 4 years of experience working with JavaScript/TypeScript, React, HTML, CSS, using modern tools and methodologies. Expert-level proficiency in frontend development is expected. Experience working with additional technologies like GraphQL and Node.js is an advantage.

  
  

• Ability to gather, validate, and translate business requirements and mockups into fully functional components, pages and products.

  
  

• Expertise in designing and implementing product features in collaboration with other frontend and backend engineers, UX designers, copy writers, test engineers and other crafts.

  
  

• Expertise in writing unit tests, maintaining and improving code quality.

  
  

• Expertise in software delivery and maintenance aspects: deployments, monitoring, scalability, security, reliability, performance optimization, troubleshooting, and support. Ability to deploy and maintain software in production environments.

  
  

• Strong understanding of incident response practices. Experience working with performance monitoring tools.

  
  

• Experience with version control tools like Git.

  
  

• Expertise in frontend architecture principles and best practices.

  
  

• Expertise in cross-browser and cross-platform development, feature compatibility, responsive design, graceful degradation, and fault tolerance.

  
  

• Experience working with containerized applications (Docker, Kubernetes), including deploying, scaling, managing, and troubleshooting containerized services in production environments. Ability to orchestrate multi-container setups, implement CI/CD pipelines, optimize performance, and ensure high availability to maintain efficient operations.

  
  

• Experience with cloud-native applications (AWS) is an advantage.

  
  

• Experience with data-driven product development processes, including data analytics and A/B testing.

• Experience working on products impacting a large customer base is a plus.

  
  

• Fluency in English with excellent written and spoken communication skills.

iOS Developer

• Minimum of 4 years of experience working with Swift, SwiftUI/UIKit, iOS SDK, Xcode, and modern iOS development tools and methodologies. Expert-level proficiency in iOS development is expected. Experience working with additional technologies like GraphQL and backend integrations is an advantage.

  
  

• Ability to gather, validate, and translate business requirements and mockups into fully functional screens, components and products for iOS applications.

  
  

• Expertise in designing and implementing product features in collaboration with other iOS and backend engineers, UX designers, copy writers, test engineers and other crafts.

  
  

• Expertise in writing unit tests and UI tests, maintaining and improving code quality.

  
  

• Expertise in software delivery and maintenance aspects: deployments, monitoring, scalability, security, reliability, performance optimization, troubleshooting, and support. Ability to deploy and maintain software in production environments.

  
  

• Strong understanding of incident response practices. Experience working with performance and crash monitoring tools.

  
  

• Experience with version control tools like Git.

  
  

• Expertise in mobile application architecture principles and best practices.

  
  

• Expertise in cross-device and cross-platform mobile development, feature compatibility, adaptive design, graceful degradation, and fault tolerance.

  
  

• Experience working with containerized applications (Docker, Kubernetes), including deploying, scaling, managing, and troubleshooting containerized services in production environments. Ability to orchestrate multi-container setups, implement CI/CD pipelines, optimize performance, and ensure high availability to maintain efficient operations.

  
  

• Experience with cloud-native applications (AWS) is an advantage.

  
  

• Experience with data-driven product development processes, including data analytics and A/B testing.

  
  

• Experience working on products impacting a large customer base is a plus.

  
  

• Fluency in English with excellent written and spoken communication skills.