Job Description

As an AI Engineer at QXO, you will design, build, and operate intelligent agent systems that bring automation and intelligence to our platforms. You will work across model development, orchestration frameworks, and production systems to deliver reliable and scalable AI-powered services. You’ll collaborate with engineering, product, and design teams to translate complex workflows into AI agents that enhance productivity and unlock new customer experiences.

This role is ideal for engineers who are highly technical, hands-on, and excited about building at the frontier of AI and commerce. You should be comfortable with fast iteration, end-to-end ownership, and working in environments with high ambiguity.

Key Responsibilities

• Design, build, and operate AI agents that integrate with APIs, data sources, and QXO’s core platforms.
• Implement frameworks for orchestration, memory, and evaluation of multi-step AI reasoning.
• Fine-tune and optimize large language models for task-specific use cases.
• Deploy and monitor AI systems in production environments with a focus on reliability, safety, and scalability.
• Collaborate with product and design teams to deliver intuitive, AI-powered user experiences.
• Write clean, efficient, and testable code in support of shared libraries and platform components.
• Participate in design and code reviews, continuously improving system quality and operational excellence.
• Contribute to defining best practices for AI evaluation, observability, and responsible use.

Qualifications & Skills

• 3+ years of hands-on software engineering experience.
• Strong programming skills in Python and at least one of Java, Go, or TypeScript.
• Experience building applications with large language models (OpenAI, Anthropic, Llama, Mistral, etc.).
• Familiarity with agent frameworks (LangChain, AutoGen, Semantic Kernel, Haystack, CrewAI) and vector databases (FAISS, Pinecone, Weaviate, Milvus).
• Solid knowledge of data structures, algorithms, system design, and distributed systems.
• Experience deploying and maintaining systems in cloud-native environments (AWS, GCP, or Azure).
• Strong collaboration and communication skills, with experience working cross-functionally.
• Bachelor’s degree in computer science, engineering, or equivalent practical experience.

Preferred Qualifications

• Experience shipping AI-powered products into production.
• Knowledge of evaluation frameworks for agent reliability, bias, and safety.
• Experience with event-driven architectures, APIs, or workflow automation.
• Contributions to open-source AI projects (LangChain, Hugging Face, llama.cpp, etc.).
• Familiarity with experimentation frameworks, personalization systems, or recommendation engines.
• MS or PhD in computer science, machine learning, or related field.

More About QXO

QXO is the largest publicly traded distributor of roofing, waterproofing, and complementary building products in the United States. The company plans to become the tech-enabled leader in the $800 billion building products distribution industry and generate outsized value for shareholders. QXO is targeting $50 billion in annual revenues within the next decade through accretive acquisitions and organic growth. Visit for more information.

In compliance with certain Pay Transparency laws, employers are required to disclose a salary range. Actual salary offers will be determined by multiple factors including but not limited to geographic location, relevant experience, knowledge, skills, other job-related qualifications, and alignment with market data and cost of labor. In addition to salary, this position is also eligible for variable compensation.

What You'll Earn

• Base Salary + Annual performance bonus + LTI / RSU (equity)
• Retirement Benefits: 401k eligible with employer match
• Health Insurance: Medical insurance, prescription drug coverage, vision and dental benefits, as well as life and disability insurance.
• 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 Holidays: The company recognizes 8 paid holidays and three floating holidays per year.
• Parental Leave
• Annual safety shoe allowance
• 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, sex, national origin, age, disability, or any other protected status.

This position is for full-time, direct-hire employment only. We are not engaging with staffing firms, third parties, C2C arrangements, or independent contractors at this time.

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