Full Stack Software Engineer

Loenbro

Centennial (CO)

Hybrid

USD 80,000 - 130,000

Full time

7 days ago

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Benefits offered by this job

Medical, dental, and vision insurance

401(k) with company match

PTO and holidays

Life and disability insurance

Professional development and training

Employee assistance program

Job summary

Loenbro is seeking a Full Stack Platform Engineer in Westminster, CO, offering a hybrid work arrangement. You will design and maintain full-stack software that boosts operations, automate processes, and enable data-driven decisions across the business.

The role emphasizes frontend (React) and backend (Node.js/Python) work, with AI/LLM capabilities as a strong bonus. You will collaborate with IT, operations, and leadership to deliver scalable, secure software and drive the platform roadmap.

Qualifications

Bachelor's degree in Computer Science, Engineering, or a related field.
3+ years of experience in software engineering with modern frontend and backend technologies.
Experience building and shipping full-stack production applications (frontend React and backend APIs in Node.js/Python).
Experience with cloud platforms (Azure/AWS/Google Cloud) and LLM-based APIs or AI services is a plus.
Strong SQL skills with PostgreSQL/SQL Server and data modeling.
Proficiency with Git, code reviews, automated testing, and CI/CD.

Responsibilities

Design, build, and maintain full-stack software applications and platforms to improve operational performance.
Develop backend services, APIs, and data integrations, incorporating LLM/AI capabilities where valuable.
Architect integrations with ERP, HR, payroll systems for reporting and downstream platforms.
Contribute to AI-assisted development processes and governance for production systems.
Create user-friendly interfaces, dashboards, and internal tools for adoption across teams.
Evaluate emerging technologies and contribute to Loenbro's platform architecture and roadmap.

Skills

Frontend development

Backend development

Cloud platforms

Relational databases

CI/CD workflows

AI/LLM awareness

Education

Bachelor's degree in Computer Science or related field

Tools

React

Node.js

Python

PostgreSQL

SQL Server

Azure

AWS / Google Cloud

Git

CI/CD tooling

LLM APIs

React Native

Expo

Job description

Travel requirements: minimal

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: Exempt

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

About Loenbro

Loenbro 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 Summary

The 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.

Required

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 Environment

The 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: minimal

This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.

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)

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