We are looking for a Backend Software Engineer to join our team and help us to improve the platform that supports one of the best experimentation tools in the world. You will work side by side with other engineers to develop and maintain web services that enable all the products that are part of the experimentation tool at Booking.com. You will collaborate with colleagues in Amsterdam to achieve results the right way. This will include engineering managers, product managers, engineers and data scientists.

Key Responsibilities and Duties

• Develop and maintain APIs and capabilities for web services that power experimentation products

• Solve technical problems to improve our development process, increase our efficiency and unlock new business opportunities.

• Take initiative to improve existing solutions, challenge decisions, propose augmented alternatives and address technical debt.

• Contribute to technical discussion around software architecture and help the team to make decisions that are agile, incremental and beneficial for the long term

• Refactor and simplify code by introducing design patterns when necessary and guide more junior members of the team in this topic

• Systematically identify patterns and underlying issues in complex situations, and to find solutions by applying logical and analytical thinking

The job requirements

• Minimum 5 years of hands-on experience in software engineering with strong knowledge of at least one language like Perl, Java, NodeJS (JavaScript) or Python

• Bachelor’s degree in Computer Science, Computer or Electrical Engineering, Mathematics, or a related field or 5 years of progressively responsible experience in the specialty as equivalent

• Proven experience with MySQL and PostgreSQL or similar relational databases

• Proven experience with System Design and Software Architecture

• Strong communication and team collaboration skills

• Excellent problem-solving skills and attention to detail

• Practical experience with GraphQL and APIs development is a plus

• Experience working with teams located in different timezones is a plus

• Experience with experimentation, statistics and A/B testing is a plus

Key Skills:

• Develop and maintain APIs and capabilities for web services that power experimentation products
• Solve technical problems to improve our development process, increase our efficiency and unlock new business opportunities.
• Contribute to technical discussion around software architecture and help the team to make decisions that are agile, incremental and beneficial for the long term
• Refactor and simplify code by introducing design patterns when necessary and guide more junior members of the team in this topic
• Systematically identify patterns and underlying issues in complex situations, and to find solutions by applying logical and analytical thinking