Mid Full Stack Engineer (5000) (Secret) (Broomfield, CO)

SMX; Boulder (CO); On-site; USD 124,000 - 206,000; Full time

Benefits offered by this job

Health insurance

Paid leave

Retirement benefits

Job summary

SMX is seeking a seasoned back-end developer in Colorado with a Secret clearance or the ability to obtain one. The role emphasizes Python development, Gitlab project management, and DoD project experience.

You will design scalable back-end services, troubleshoot performance issues, and ensure compliance with DoD standards while collaborating with cross-functional teams. The position requires 5+ years of experience, strong problem-solving skills, and the ability to work both independently and

Qualifications

• Active Secret clearance or ability to obtain one (U.S. Citizenship required)
• 5+ years of back-end development experience
• Proficiency with Python
• Experience with Gitlab for project management
• Strong problem-solving and attention to detail
• Ability to work independently and in a team
• Excellent communication and collaboration skills
• Experience with DoD projects is highly desirable

Responsibilities

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

Skills

Back-end development

Python

Gitlab

Secret clearance

5+ years experience

Problem-solving

Independent work

Team collaboration

Communication

Learning agility

Education

Bachelor's degree in CS/Engineering

Tools

Gitlab

CI/CD

Job description

• 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
• Continuous integration/continuous delivery techniques
• Familiarity with C++

Application Deadline:

October 26, 2026

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

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The proposed salary for this position is:: $123,800 USD - $206,300 USD