US LBM Lead Software Engineer (Procure-to-Pay)

US LBM is one of the leading and fastest growing distributors of specialty building materials in the United States, with a team of over 13,000 employees located throughout the country. Since our founding in 2009, we have acquired over 100 companies and have expanded to more than 450 locations serving 37 states. US LBM is a progressive organization that promotes a unique culture that focuses on the value of its customers and associates. Developing our people is critical to our strategy and fostering our culture of empowerment.

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A Brief Overview

The US LBM Lead Software Engineer (Procure-to-Pay) will provide technical leadership while working hands-on alongside software engineers developing highly available applications, APIs, and integrations across US LBM's procure-to-pay platform, purchasing, invoice capture and matching, approvals, and accounts payable.

This role combines hands-on engineering with technical leadership, product partnership, and business engagement. The Engineering Lead will partner with Product Managers, Architects, and business stakeholders to align technology delivery with business objectives and guide teams through design, development, deployment, and support.

Above all, this is a builder's role at the leading edge of US LBM's move to an AI-First software development lifecycle. Partnering closely with the Product Manager, the Lead Engineer will own use-case discovery and rapid prototyping, quickly turning ideas into working proof-of-concepts that demonstrate business value across the organization, and will lead their team in adopting AI across how we discover, design, build, test, and ship software. If you want to help define how a 13,000-person company builds software in the AI era, this is that role.

What you will do

Partner with the Product Manager to own use-case discovery and rapid prototyping, identifying, testing, and proving out AI and technology opportunities across the organization, and turning them into working proof-of-concepts

Drive your team toward an AI-First software development lifecycle, embedding AI across discovery, design, coding, testing, code review, and delivery

Lead the engineering of procure-to-pay solutions and integrations across purchasing, invoice automation, approvals, and AP (e.g., Medius, Coupa)

Increase touchless invoice processing and spend control through automation, AI, and modern application design

Remain hands-on in complex development while providing technical leadership, mentoring, and code reviews

Design, develop, test, deploy, and support applications, APIs, and integrations

Partner with Product Managers, Architects, and business stakeholders to translate requirements into scalable solutions

• •Guide technical design and architecture to ensure scalable, secure, reliable solutions
• •Drive delivery priorities, manage risks and dependencies, and communicate progress and outcomes

Build reusable integration patterns, APIs, CI/CD pipelines, and engineering standards

Champion AI-assisted development including specification-driven development, automated testing, AI code review, and intelligent workflows

Troubleshoot complex production and integration issues while maintaining data integrity and business value

Required For All Jobs

Perform other duties as assigned.

Comply with all policies and standards.

Adheres to Company's commitment to workplace safety.

Education Qualifications

Bachelor's Degree or Master's Degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent relevant professional experience

Experience Qualifications

5+ years developing and delivering custom web, mobile, enterprise, or integration solutions

4+ years of full-stack development experience

Demonstrated technical leadership through mentoring, code reviews, design guidance, architecture, and delivery ownership

Strong hands-on experience building full-stack applications with TypeScript and modern JavaScript (ES6+), including React on the front end and Node.js on the back end

Experience developing back-end services in Python and/or Rust, and working with relational and document databases such as PostgreSQL and MongoDB

Experience integrating procurement and accounts-payable systems and building solutions across procure-to-pay (e.g., Medius, Coupa), including invoice capture, matching, approvals, and supplier/EDI connectivity

Experience designing and consuming secure RESTful and GraphQL APIs

Experience with containerized workflows using Docker and Kubernetes, and CI/CD pipelines using GitHub, GitLab CI, or Jenkins

Experience partnering with Product Managers, Architects, and business stakeholders

Experience, or strong, demonstrated interest, in applying AI to accelerate delivery and in discovering and prototyping AI use cases alongside product and business partners

Familiarity with C#/.NET is a plus, as we modernize our legacy platform toward a TypeScript, Node.js, Python, and Rust stack

Skills and Abilities

Advanced proficiency with TypeScript and core JavaScript (ES6+) across the full stack

Proficiency building responsive front-end applications using React

Experience developing scalable back-end microservices using Node.js, Python, or Rust

Strong database design skills using PostgreSQL and MongoDB

Experience building and consuming secure RESTful and GraphQL APIs

Familiarity with containerized workflows using Docker and Kubernetes

Understanding of modern CI/CD practices and automated testing frameworks, using tools such as GitHub, GitLab CI, and Jenkins

Strong understanding of API design, integrations, distributed systems, and modern application architecture

Strong understanding of procure-to-pay and AP integration architecture, procurement, invoice automation, and supplier connectivity

Hands-on experience with AI-assisted software development and a commitment to AI-first engineering practices, specification-driven development, automated testing, AI code review, and intelligent workflows

Ability to partner with Product Managers to discover, prototype, and prove out AI use cases that create measurable business value

Ability to communicate technical decisions, risks, and tradeoffs to technical and non-technical stakeholders

Ability to partner with Product Managers and business leaders to connect engineering priorities with business outcomes

Ability to balance hands-on engineering with technical leadership, delivery oversight, and stakeholder engagement

Travel Expectations

25% Travel

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Click Here for Information Regarding Our Benefits

US LBM Holdings, LLC, is an equal-opportunity employer. We do not discriminate on the basis of race, color, religion, creed, national origin or ancestry, sex, age, physical or mental disability, veteran or military status, genetic information, sexual orientation, gender identity, marital status, military status, order of protection status, or any other legally recognized protected basis under federal, state, or local law.