Full-Stack SDE II: React + Kotlin Backend

PowerToFly; Greater London; On-site; GBP 70,000 - 95,000; Full time

Job summary

Expedia Group is seeking a Software Development Engineer II, Full-Stack, to join the Search Results and Recs experience team. You will build React-based interfaces, backend capabilities, APIs, and reusable platform components across web, iOS, and Android, enabling configurable experiences with no-code/low-code tools updates.

You will own features from requirements through delivery, collaborating with product management, and backend, domain service, and platform teams to deliver high-quality

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

• In this role, you will:
• 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

Full-stack

APIs

Kotlin

Java/Scala

Next.js

Design systems

AI in development

Job description

Expedia Group is seeking a Software Development Engineer II, Full-Stack, to join the Search Results and Recs experience team. You will build React-based interfaces, backend capabilities, APIs, and reusable platform components across web, iOS, and Android, enabling configurable experiences with no-code/low-code tools updates.

You will own features from requirements through delivery, collaborating with product management, and backend, domain service, and platform teams to deliver high-quality