US LBM Lead Software Engineer (Order-to-Cash)

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..A Brief OverviewThe US LBM Lead Software Engineer (Order-to-Cash) will provide technical leadership while working hands-on alongside software engineers developing highly available applications, APIs, and integrations across US LBM's order-to-cash platform, billing, credit, collections, cash application, and financial reconciliation. 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 doPartner 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-conceptsDrive your team toward an AI-First software development lifecycle, embedding AI across discovery, design, coding, testing, code review, and deliveryLead the engineering of order-to-cash solutions and integrations across billing, credit, collections, cash application, and reconciliation platforms (e.g., Billtrust, Bectran, BlackLine, Handle)Improve receivables automation and cash flow through automation, AI, and modern application designRemain hands-on in complex development while providing technical leadership, mentoring, and code reviewsDesign, develop, test, deploy, and support applications, APIs, and integrationsPartner with Product Managers, Architects, and business stakeholders to translate requirements into scalable solutionsGuide technical design and architecture to ensure scalable, secure, reliable solutionsDrive delivery priorities, manage risks and dependencies, and communicate progress and outcomesBuild reusable integration patterns, APIs, CI/CD pipelines, and engineering standardsChampion AI-assisted development including specification-driven development, automated testing, AI code review, and intelligent workflowsTroubleshoot complex production and integration issues while maintaining data integrity and business value Required For All JobsPerform other duties as assigned.Comply with all policies and standards.Adheres to Company's commitment to workplace safety. Education QualificationsBachelor's Degree or Master's Degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent relevant professional experience Experience Qualifications5+ years developing and delivering custom web, mobile, enterprise, or integration solutions4+ years of full-stack development experienceDemonstrated technical leadership through mentoring, code reviews, design guidance, architecture, and delivery ownershipStrong 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 endExperience developing back-end services in Python and/or Rust, and working with relational and document databases such as PostgreSQL and MongoDBExperience integrating financial and accounts-receivable systems and building solutions across order-to-cash, billing, credit, collections, cash application, and reconciliation (e.g., Billtrust, Bectran, BlackLine)Experience designing and consuming secure RESTful and GraphQL APIsExperience with containerized workflows using Docker and Kubernetes, and CI/CD pipelines using GitHub, GitLab CI, or JenkinsExperience partnering with Product Managers, Architects, and business stakeholdersExperience, or strong, demonstrated interest, in applying AI to accelerate delivery and in discovering and prototyping AI use cases alongside product and business partnersFamiliarity with C#/.NET is a plus, as we modernize our legacy platform toward a TypeScript, Node.js, Python, and Rust stack Skills and AbilitiesAdvanced proficiency with TypeScrip