Full Stack Software Engineer

Loenbro is a construction lifecycle partner providing infrastructure-related services across the United States. The Full Stack Software Engineer designs, builds, and maintains software platforms and applications that improve operational efficiency, automate business processes, and support data-driven decision-making. The role collaborates with operations, IT, and business leaders to deliver scalable, secure, and practical full-stack solutions.

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

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

LLM-based applications

AI-powered applications

Mobile app development

React Native

Expo

Enterprise data architecture

ERP

AI governance

Data security

Responsible AI practices

Software for construction

Industrial field operations

Finance

Operationally complex industries

Benefits

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)

Hybrid office-based with flexibility for remote work as approved

Company

Industrial construction and maintenance services contractor

Westminster, Colorado, USA

http://loenbro.com/

Founded in 2000

1001-5000 employees

Qualifications

Candidates must have unrestricted work authorization. The company does not currently offer visa sponsorship for this role

· 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

· Hybrid office-based with flexibility for remote work as approved

· Occasional support for field teams and job sites

· Travel requirements: minimal

· 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

Required skills

Full-Stack Software Development, Frontend Development (React), Backend Development Node.js, Backend Development Python, API Development, Cloud Platforms Azure, Cloud Platforms AWS, Cloud Platforms, Cloud Platforms Google Cloud, Relational Databases and SQL, Data Modeling, Git Version Control, Automated Testing, CI/CD Pipelines, LLM-Based Application Development, ERP Integration

Preferred skills

· Experience with enterprise data architecture or ERP

Experience

3+ years