Mid Full Stack Engineer (4890) (Secret) (Broomfield)

SMX; Broomfield (CO); On-site; USD 123,800 - 206,300; Full time

Job summary

A leading engineering firm is seeking a Mid Full Stack Engineer for its Broomfield location. The candidate will implement responsive design and optimize applications for speed. Required skills include back-end development experience, the ability to obtain Secret clearance, and proficiency in Gitlab. A Bachelor's degree in a relevant field is preferred. This full-time position offers a competitive salary range of $123,800 to $206,300 annually, along with opportunities for growth in an agile team environment.

Qualifications

• 5+ years of experience in relevant fields.
• Ability to obtain Secret clearance (U.S. Citizenship required).
• Familiarity with CI/CD and Agile development methodologies.

Responsibilities

• Implement responsive design principles for various devices.
• Optimize applications for speed and scalability.
• Troubleshoot and debug application issues.
• Stay updated with industry trends.

Skills

Secret clearance

Experience with back-end development

Excellent problem-solving skills

Strong communication skills

Ability to work independently

Experience with DoD projects

Proficiency in using Gitlab

Passion for learning

Education

Bachelor’s degree in Computer Science, Engineering, or a related field

Tools

Gitlab

Job description

Mid Full Stack Engineer (4890) (Secret) (Broomfield)

SMX invites applicants for the Mid Full Stack Engineer (4890) (Secret) (Broomfield) role.

Responsibilities

• Implement responsive design principles to ensure applications work on various devices.
• Optimize applications for maximum speed and scalability.
• Troubleshoot and debug issues to ensure optimal performance.
• Stay up-to-date with the latest industry trends and technologies.
• Utilize Gitlab for project management and tracking.
• Apply DoD standards and protocols to ensure compliance and security.

Required Skills & Experience

• Secret clearance (ability to obtain Secret clearance, i.e. U.S. Citizenship required)
• Experience with back-end development, including Python
• Familiarity with version control systems such as Gitlab.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently and as part of a team.
• Strong communication and collaboration skills.
• Experience with DoD projects is highly desirable.
• Proficiency in using Gitlab for project management.
• A passion for learning and staying current with industry trends.
• 5+ years’ experience

Desired Skills & Experience

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Experience with Agile development methodologies.
• Familiarity with CI/CD and continuous integration/continuous delivery techniques.
• Familiarity with C++.

Application Deadline: January 12, 2026

Salary: $123,800 USD – $206,300 USD

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position.

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Engineering and Information Technology