Senior Software Engineer

Jobs in JS; Seattle (WA); On-site; USD 138,000 - 235,000; Full time

Benefits offered by this job

Base pay disclosed

Annual performance bonus

Long-term equity/incentives

401(k) with match

Medical, dental, vision insurance

PTO and parental leave

Paid time off and sick leave accrual

Training and certifications

Legal assistance

Pet insurance

Employee assistance program

Job summary

QXO, a leading building products distributor and installer, seeks an experienced software engineer to design, develop, and maintain eCommerce services and user interfaces from Seattle. You will implement scalable, low-latency systems and build intuitive front-end experiences while collaborating with cross-functional teams to deliver end-to-end product features.

The role emphasizes clean, testable code, participation in design reviews, and improving reliability and operational excellence across

Qualifications

• 2–5 years of professional software engineering experience.
• Proficiency in object-oriented programming languages (e.g., Java, Kotlin, Go).
• Experience with modern front-end technologies and frameworks (React, Next.js, TypeScript).
• Solid understanding of data structures, algorithms, and software design principles.
• Experience developing and maintaining production systems in cloud environments (AWS, GCP).
• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• Strong collaboration and communication skills.

Responsibilities

• Design, develop, and maintain eCommerce services and user interfaces.
• Implement scalable, low-latency systems that meet performance and security goals.
• Build intuitive and performant front-end experiences.
• Collaborate with cross-functional teams to deliver end-to-end product features.
• Write clean, efficient, and testable code.
• Participate in design and code reviews.
• Support the continuous improvement of system reliability and operational excellence.
• Contribute to shared libraries, platform components, and design systems.

Skills

Object-oriented programming

Collaboration & communication

Software design principles

Production systems experience

Education

Bachelor’s degree in Computer Science or Engineering

Tools

React

Next.js

TypeScript

AWS

GCP

Job description

QXO is a leading distributor and installer of building products serving an $800 billion market. The company’s mission is to modernize the building products industry through advanced technology and a best-in-class customer experience. QXO is North America’s largest distributor and installer of insulation, the second-largest distributor of roofing products, the second-largest publicly traded distributor of lumber and building materials, and the largest distributor of waterproofing products. The company is targeting $50 billion in annual revenue within the decade through accretive acquisitions and organic growth. For more information, visit QXO.com.

What you'll do

• Design, develop, and maintain eCommerce services and user interfaces.
• Implement scalable, low-latency systems that meet performance and security goals.
• Build intuitive and performant front-end experiences.
• Collaborate with cross-functional teams to deliver end-to-end product features.
• Write clean, efficient, and testable code.
• Participate in design and code reviews.
• Support the continuous improvement of system reliability and operational excellence.
• Contribute to shared libraries, platform components, and design systems.

What you'll bring

Qualifications & Skills

• 2–5 years of professional software engineering experience.
• Proficiency in one or more object-oriented programming languages (e.g., Java, Kotlin, Go).
• Experience with modern front-end technologies and frameworks such as React, Next.js, or TypeScript.
• Solid understanding of data structures, algorithms, and software design principles.
• Experience developing and maintaining production systems in a cloud environment (e.g., AWS, GCP).
• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• Strong collaboration and communication skills

Preferred Qualifications

• Experience building commerce, checkout, or personalization systems.
• Familiarity with responsive, accessible, and high-performance UI development.
• Exposure to AI/ML systems or data-driven services.
• Experience with experimentation frameworks, recommendation systems, or search technologies.
• Knowledge of CI/CD, observability, and performance tuning tools.

What you'll earn

• Base pay range: $138,000 - $235,000
• Annual performance bonus
• Long term incentive (equity/stock)
• 401(k) with employer match
• Medical, dental, and vision insurance
• PTO, company holidays, and parental leave
• Paid Time Off/Paid Sick Leave: Applicants can expect to accrue 15 days of paid time off during their first year (4.62 hours for every 80 hours worked) and increased accruals after five years of service.
• Paid training and certifications
• Legal assistance and identity protection
• Pet insurance
• Employee assistance program (EAP)

QXO is an Equal Opportunity Employer. We value diversity and do not discriminate on the basis of race, color, religion, gender or sexual orientation, national origin, age, disability, or any other protected status.

To comply with PayTransparency laws, employers must disclose an annual salary range. Actual offers depend on factors such as location, experience, skills, and market data. This position may also offer variable compensation.

USD $138,000.00 - $235,000.00 /Yr.