Job Title: Full Stack Software Engineer Company: Loenbro, LLC Business Unit/Department: Information Technology (IT) Location: Westminster, CO (hybrid) Reports to: Operational Innovation Product Manager Employment Type: Full-Time FLSA Classification: ExemptCandidates must have unrestricted work authorization. The company does not currently offer visa sponsorship for this role.About LoenbroLoenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.Job SummaryThe Full Stack Platform Engineer designs, builds, and maintains full-stack software platforms and applications that improve operational efficiency, automate business processes, and support data-driven decision-making across Loenbro. This role partners closely with operations, IT, and business leaders to translate complex business challenges into scalable, secure, and practical software solutions that deliver measurable business value.We’re looking for an engineer who has built and shipped full-stack production systems end-to-end — spanning frontend, backend, and infrastructure. Experience building LLM-based or AI-powered applications is a strong bonus.Essential Job Responsibilities· Design, build, and maintain full-stack software applications and platforms — from frontend interfaces to backend services, APIs, and data layers — that improve business and operational performance.· Develop and maintain backend services, APIs, and data integrations using modern frameworks and enterprise technologies, incorporating large language models (LLMs) or AI capabilities where they add clear business value.· Architect and maintain integrations with core enterprise systems (ERP, HR, payroll) to support downstream platform and reporting initiatives.· Contribute to evolving internal engineering processes for AI-assisted development that govern how AI coding agents are utilized for production systems.· Create user-friendly interfaces, dashboards, and internal tools that enable adoption of new platforms and systems across technical and non-technical teams.· Evaluate emerging technologies, including AI/LLM tooling, and contribute to Loenbro's long-term platform architecture, engineering standards, and technology roadmap.Minimum QualificationsRequired:· Bachelor's degree in Computer Science, Engineering, or a related technical field· 3+ years of experience in software engineering, data engineering, data science, or a related technical discipline working with modern frontend and backend technologies· Demonstrated experience building and shipping full-stack production applications, including frontend UI (e.g., React or similar) and backend services/APIs (e.g., Node.js, Python or similar), across the full development lifecycle.· Experience designing, developing, and deploying solutions using modern cloud platforms and services (Azure, AWS, Google Cloud, or similar); experience with LLM-based APIs or AI services is a plus.· Strong working knowledge of relational databases and SQL, including schema design, query optimization, and data modeling (PostgreSQL, SQL Server, or similar).· Proficiency with modern engineering practices, including Git-based version control, code review, automated testing, and CI/CD pipelines.Preferred:· Experience building and deploying LLM-based or AI-powered applications, agents, or agentic workflows in production.· Experience with mobile app development, including React Native and Expo.· Experience with enterprise data architecture or ERP.· Knowledge of AI governance, data security, and responsible AI practices.· Experience building software for construction, industrial field operations, finance or operationally complex, non-tech industry.Physical Demands and Work EnvironmentThe physical demands and work environment described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.Work Environment:· Hybrid office-based with flexibility for remote work as approved· Occasional support for field teams and job sites· Travel requirements: minimalThis role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.BenefitsLoenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:· Medical, dental, and vision insurance· 401(k) retirement plan with company match· Paid time off (PTO) and holiday pay· Life and disability insurance· Professional development and training opportunities· Employee assistance program (EAP)Benefits eligibility may vary based on employment classification and hours worked.Guided by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you’re ready to be part of a company that LEADS by:· Living with Integrity· Exceeding Expectations· Acting with Urgency· Delivering Excellence…we want to hear from you.Loenbro is an Equal Opportunity EmployerColorado Pay Range$80,000—$130,000 USD
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