Full Stack Software Engineer

# Full Stack Software Engineer

Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with Environmental Sciences Division at Oak Ridge National Laboratory (ORNL) to recruit a qualified Full Stack Software Engineer to support multiple concurrent software projects within a Department of Energy (DOE) Research & Development environment.

ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers.

This is a full-time, permanent position that requires on-site work in Oak Ridge, TN.

# Why Cadre5?

• Working with highly talented team members
• 3 weeks’ vacation
• Excellent medical insurance, including employer-paid benefits

## The Group:

The Atmospheric Radiation Measurement (ARM) user facility, a DOE Office of Science user facility, is 'the world's premiere ground-based observations facility advancing atmospheric and climate research.' As one of the nine DOE laboratories that manage and operate ARM, ORNL is responsible for the management and operation of ARM data services, a collaborative effort across several ORNL divisions.

The Role:

This role requires an on-site presence and close collaboration with technical teams, stakeholders, and government clients. The ideal candidate is comfortable working across the entire development lifecycle from gathering client requirements and translating concepts into technical designs, through development, testing, deployment, and long-term support. Candidates must be adaptable, detail-oriented, and capable of managing multiple priorities in a structured, security-focused environment.

This role is ideal for software developers who enjoy ownership of projects, thrive in structured technical environments, and are motivated by building meaningful software solutions from initial concept through final deployment.

## Job Responsibilities:

• Collaborate with government clients and internal stakeholders to gather, analyze, and refine technical and functional requirements.
• Design, architect, and develop full-stack applications from concept to completion.
• Work on multiple simultaneous projects with varying timelines and technical scopes.
• Develop scalable backend services and APIs.
• Build responsive, user-friendly front-end interfaces aligned with UI/UX best practices.
• Participate in code reviews, testing, debugging, and performance optimization.
• Maintain documentation for system architecture, code, and processes.
• Ensure compliance with security, privacy, and operational standards required in a federal R&D environment.
• Provide ongoing maintenance, enhancements, and technical support for deployed applications.

Programming Languages:

• JavaScript
• TypeScript
• Python
• SQL
• Backend Frameworks-Fast API
• Frontend FrameworksVue.js 2 & Vue.js 3
• State Management-Pinia
• UI Libraries-Vuetify
• Databases-PostgreSQL
• Other Technologies-GraphQL

## Basic Qualifications:

• Bachelors degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).
• 3+ years of professional full-stack development experience
• Demonstrated experience delivering production-ready applications end-to-end.
• Strong communication skills and ability to translate business needs into technical solutions.
• Ability to obtain and maintain any required facility clearances or background checks.
• Work Environment On-site presence is required due to the secure nature of the facility.
• Collaborative, mission-driven R&D atmosphere.
• Opportunity to contribute to projects with national-level impact and long-term technical value.
• The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship.

## Preferred Qualifications:

• Java development experience
• Experience working in government, national laboratory, or regulated environments
• Familiarity with CI/CD pipelines and DevOps practices
• Containerization technologies (Docker, Kubernetes)Experience with automated testing frameworks

Benefits

Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays.

*Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. Cadre5 is an E-Verify Employer.*