Software Development Engineer II (Full Stack BE Heavy)

Team and platform

Responsibilities

• Design, build, and operate backend-heavy full-stack services for Modern Checkout at global scale.
• Own the full development lifecycle, including requirements, low-level design, APIs, data models, implementation, testing, deployment, and operational support.
• Develop cloud-native microservices and platform components integrating with data stores, caches, and streaming systems.
• Deliver resilient, observable, high-performance tier-zero services that meet strict availability and latency goals.
• Contribute to CI/CD, automated testing, and operational readiness.
• Help decompose legacy monoliths into reusable services with engineering, product, and partner teams.
• Use AI-assisted tools and workflows and safely integrate AI/ML-enabled solutions where appropriate.

Minimum qualifications

• Bachelor’s degree in Computer Science or a related technical field, or equivalent related professional experience.
• At least 2 years of relevant professional experience.
• End-to-end ownership of services or features in a cloud environment, including system and API design, data modeling, implementation, testing, deployment, and production support.
• Strong coding, problem-solving, and analytical skills, with understanding of data structures, algorithms, and time/space complexity.

Preferred qualifications

• Microservices or service-oriented architecture on AWS or similar cloud; experience with Redis or other caches, DynamoDB or other NoSQL stores, and Kinesis or other streaming or messaging systems.
• Experience delivering and operating high-availability, high-throughput, mission-critical services with observability, reliability, and incident-response practices.
• Hands-on experience with JavaScript, React, and REST or GraphQL in full-stack systems.
• Familiarity with AI-driven systems and practical use of AI-assisted coding tools; experience integrating AI-powered capabilities into production is preferred.

About Expedia Group