Senior Software Engineer - Real-Time Ads Platform

Expedia, Inc.; Seattle, Northern (WA, KY); Hybrid; USD 146,000 - 205,000; Full time

Job summary

Expedia Group is seeking a Software Development Engineer III in Seattle to design and implement scalable backend services in Kotlin, build real-time data pipelines, and craft APIs that connect backend with frontend systems. You’ll also contribute to architecture decisions, ensure reliability, and collaborate with cross-functional teams to deliver high-quality features.

The role emphasizes building for scale, leveraging AWS, Docker/Kubernetes, and data-intensive processing, with opportunities to

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related technical field (or equivalent professional experience).
• Experience leading technical initiatives, mentoring engineers, and driving design/delivery of complex software systems.
• Proficiency in Kotlin or Java for scalable, production-grade apps.

Responsibilities

• Design and implement high-throughput backend services.
• Manage real-time data flows with Redis, Elasticsearch, and Kafka.
• Develop APIs to integrate frontend and backend systems.

Skills

Kotlin/Java

Microservices

RESTful APIs

React

AWS

CI/CD

Observability (Datadog)

Distributed systems

AI/ML concepts

Leadership/mentoring

Education

Bachelor’s or Master’s degree in CS/Engineering or related field

Tools

Docker

Kubernetes

Elasticsearch

Redis

Kafka

Job description

Expedia Group is seeking a Software Development Engineer III in Seattle to design and implement scalable backend services in Kotlin, build real-time data pipelines, and craft APIs that connect backend with frontend systems. You’ll also contribute to architecture decisions, ensure reliability, and collaborate with cross-functional teams to deliver high-quality features.

The role emphasizes building for scale, leveraging AWS, Docker/Kubernetes, and data-intensive processing, with opportunities to