Staff Software Engineer, Backend
About The Position
QXO is North America’s largest distributor and installer of insulation; second-largest distributor of roofing products; second-largest publicly traded distributor of lumber and building materials; and largest distributor of waterproofing products. QXO is the fastest growing company in the $800 billion building products distribution industry and plans to become the tech-enabled leader by delivering best-in-class customer satisfaction and outsized returns for its shareholders. The company is targeting $50 billion in annual revenue within the next decade through accretive acquisitions and organic growth. Visit QXO.com for more information.
Requirements
- 5+ years of hands-on coding experience
- 3+ years building scalable, distributed systems using object-oriented programming languages (Java, Kotlin, Go, etc.)
- Experience with modern front-end technologies and frameworks such as React, Next.js, or TypeScript
- Strong knowledge of data structures, algorithms, system design, and concurrency
- Experience building and developing large-scale reliable distributed systems.
- Experience designing, launching, and maintaining production systems in a cloud-native environment (e.g., GCP, AWS)
- Experience leading architectural designs and mentoring other engineers
- Bachelor’s degree in computer science, engineering, or equivalent
- Strong verbal and written communication skills
Nice To Haves
- Experience building commerce, checkout, identity, or personalization services at scale
- Experience building responsive, accessible, and performant UIs using front-end or mobile frameworks such as React Native
- Familiarity with AI/ML systems, including model inference pipelines, data labeling infrastructure, or real-time decisioning
- Experience with experimentation frameworks, recommendation engines, or search platforms
- Experience working with CI/CD pipelines, observability tools, and performance tuning
- Experience in Marketing or Ad Tech
- MS or Ph.D.
Responsibilities
- Design, build, and operate eCommerce services
- Design and implement scalable, low-latency systems that meet performance and security requirements
- Build intuitive and performant user interfaces
- Contribute to shared design system and front-end architecture
- Collaborate with cross-functional teams to develop end-to-end solutions
- Write clean, efficient, and testable code
- Contribute to shared libraries and platform components.
- Lead design, architecture and code reviews.
- Continuously improve operational excellence and system reliability
- Mentor junior engineers and shape engineering best practices.
Benefits
- 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)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
