Senior Software Engineer - Scalable eCommerce Platform

QXO; Seattle (WA); On-site; USD 170,000 - 235,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with employer match

PTO and holidays

Paid training and certifications

Job summary

QXO is redefining digital commerce with high-quality software powering customer identity, product discovery, checkout, and personalization. Senior Software Engineer applicants will design, build, and maintain core services and experiences used by millions across web and mobile.

The role emphasizes collaboration, performance, and scalable systems, with growth in a fast-paced environment and opportunities to influence product direction.

Qualifications

• 3-5 years of professional software engineering experience.
• Proficiency in one or more OO languages (Java, Kotlin, Go).
• Experience with modern front-end technologies (React, Next.js, TypeScript).
• Strong understanding of data structures and algorithms.
• Experience building production cloud-based systems (AWS, GCP).
• Bachelor’s degree in CS, Engineering, or equivalent practical experience.

Responsibilities

• Design, develop, and maintain eCommerce services and user interfaces.
• Implement scalable, low-latency systems with security in mind.
• Build intuitive and performant front-end experiences.
• Collaborate with cross-functional teams to deliver end-to-end features.
• Write clean, tested code and participate in design reviews.
• Support reliability and operational excellence of systems.
• Contribute to shared libraries and platform components.

Skills

Java/Kotlin/Go

React/Next.js/TypeScript

Data structures & algorithms

Cloud (AWS/GCP)

Collaborative communication

Education

Bachelor's degree in Computer Science or related field

Job description

QXO is redefining digital commerce with high-quality software powering customer identity, product discovery, checkout, and personalization. Senior Software Engineer applicants will design, build, and maintain core services and experiences used by millions across web and mobile.

The role emphasizes collaboration, performance, and scalable systems, with growth in a fast-paced environment and opportunities to influence product direction.