Senior Software Engineer – Full-Stack: Backend, Data & UI

RiseMe; Seattle (WA); On-site; USD 146,000 - 234,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Paid time off

Travel discounts

Job summary

Expedia Group Advertising Engineering is seeking a senior software engineer to design and implement high-throughput backend services in Kotlin, build scalable APIs, and drive distributed architectures. You will work with Redis, Elasticsearch, Kafka, React, and collaborate with product managers, designers, and engineers to deliver reliable, high-performance features.

This role is Seattle-based with in-office requirements; total cash range is $146,000–$204,500, with potential to reach $233,500

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, a related technical field, or equivalent professional experience.
• Experience leading technical initiatives, mentoring engineers, and driving complex software design.
• Proficiency in Kotlin or Java for scalable, production-grade apps.
• Experience designing microservices, event-driven systems, RESTful APIs, and large-scale distributed architectures.
• Experience building modern web apps with React and frontend-backend integration.
• Experience with AWS, Docker, Kubernetes, CI/CD, automated testing, and Datadog.
• Strong system design and performance optimization skills including observability.
• Experience building data-intensive systems with search/personalization/recommendation components.
• Knowledge of AI/ML concepts and integrating data-driven capabilities.

Responsibilities

• Design & Implement High-Throughput Backend Services in Kotlin, handling millions of queries.
• Manage Real-Time Data Flows with Redis, Elasticsearch, and Kafka for low latency.
• Leverage Data Lakes for scalable storage, retrieval, and processing.
• Develop & Integrate APIs to connect front-end and back-end systems.
• Architect for scale and reliability across services and data processing.
• Build engaging user interfaces with React and ensure responsive UX.
• Optimize front-end performance and manage application state.
• Collaborate with product managers, designers, and engineers to deliver features.
• Implement CI/CD pipelines and maintain code quality.
• Mentor juniors and contribute to technical strategy.

Skills

Kotlin/Java

Microservices

System design

Leadership

React

CI/CD

Observability

Distributed systems

AI/ML concepts

Education

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

Tools

AWS

Docker

Kubernetes

Datadog

Elasticsearch

Redis

Kafka

Job description

Expedia Group Advertising Engineering is seeking a senior software engineer to design and implement high-throughput backend services in Kotlin, build scalable APIs, and drive distributed architectures. You will work with Redis, Elasticsearch, Kafka, React, and collaborate with product managers, designers, and engineers to deliver reliable, high-performance features.

This role is Seattle-based with in-office requirements; total cash range is $146,000–$204,500, with potential to reach $233,500