Full-Stack Software Engineer II – React & Kotlin

Expedia Group; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Expedia Group is hiring a Software Development Engineer II, Full-Stack, in the UK. You will build React-based UIs and backend capabilities, contribute to API design decisions, and own features from requirements through delivery with strong collaboration across product, backend, and platform teams.

You will contribute to configurable experiences, improve data collection for banners and product cards, and participate in platform-wide UI updates.

Qualifications

• Approximately 2–3 years of software development experience.
• Experience with full-stack development across frontend and backend systems.
• Experience developing with React.
• Experience with Kotlin backend development; strong Java and or Scala experience may be considered as an alternative.
• Experience developing and integrating APIs.
• Understanding of API design considerations, including the impact of additional calls, traffic management, and error handling.
• Experience using existing component libraries.
• Proven ability to deliver software and communicate effectively with stakeholders.
• Ability to work across frontend, backend, APIs, and platform capabilities.

Responsibilities

• Develop React-based user interfaces and backend capabilities.
• Build, integrate, and contribute to API design decisions.
• Own features from understanding requirements through delivery, with support from teammates and product management.
• Collaborate with product management, backend and domain service teams, platform teams, and brand teams.
• Create reusable and configurable components and platform capabilities.
• Contribute to improvements across Expedia Group web, iOS, Android, and B2B experiences.
• Improve clickstream data collection and content management for banners and product cards.
• Contribute to the Vrbo product-card redesign and BEX redesign.
• Support the rollout of server-driven UI, enabling card layouts to be updated through configuration.
• Migrate traffic from legacy systems to the new platform.
• Apply API design considerations, including additional calls, traffic management, and error handling.
• Deliver reliable software with a rigorous development approach and a high quality bar.

Skills

React

API development

Kotlin backend

Java/Scala

Full-stack development

Job description

Expedia Group is hiring a Software Development Engineer II, Full-Stack, in the UK. You will build React-based UIs and backend capabilities, contribute to API design decisions, and own features from requirements through delivery with strong collaboration across product, backend, and platform teams.

You will contribute to configurable experiences, improve data collection for banners and product cards, and participate in platform-wide UI updates.