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

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

Job summary

SMX is seeking a highly capable Full Stack UI Developer to contribute to the DoD Space Force National Security mission. The role emphasizes Java, JavaScript, React, and Python expertise to build and optimize front-end and back-end systems, with DoD project experience and Gitlab familiarity highly valued.

The selected candidate will implement responsive designs, ensure performance and security, and collaborate across teams.

Qualifications

• 5+ years of full-stack development experience.
• Strong Java, JavaScript (JS), React, and Python skills.
• Secret clearance (US citizenship) or ability to obtain.
• Experience with DoD projects is highly desirable.
• Proficiency with Gitlab for project management.
• Excellent problem-solving and communication skills.
• Ability to work independently and in a team.

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.

Skills

Java

JavaScript

React

Python

Gitlab

Secret clearance

DoD projects

Team collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

Gitlab

Job description

Outside Analytics has recently become a proud subsidiary of SMX, marking an exciting collaboration that enhances our collective capabilities to deliver cutting‑edge digital transformation solutions. Are you interested in the next generation of Space Force Remote Sensing capabilities? At Outside Analytics we're on the ground floor of helping across the future remote sensing ecosystem across all orbital regimes (LEO, MEO, HEO, and GEO)! We build, integrate, and operationally support our customer's emerging space‑ground systems to include real‑time data processing frameworks, sensor data processing, and data visualization. We are teamed with the most passionate companies in industry, dedicated to bringing best‑of‑breed capabilities to address our customers most pressing needs.

We are seeking a Full Stack UI Developer to contribute to the DoD Space Force National Security mission. This candidate ideally comes with a strong background in Java, JavaScript (JS), React, and Python to join our dynamic team. The ideal candidate will have a passion for creating user-friendly interfaces and a deep understanding of both front‑end and back‑end development. Experience with the Department of Defense (DoD) projects and Gitlab is a plus.

Essential Duties & 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)
• Proven experience as a Full Stack Developer with expertise in Java, JavaScript (JS), React, and/or Python.
• Strong understanding of front‑end technologies such as JavaScript/ React
• 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: June 22, 2026

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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.

The proposed salary for this position is:

$123,800—$206,300 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward‑looking insights and practical solutions to power secure mission acceleration.

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 (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).