Sr. Full Stack Python Developer (5007) (US, DC, Tampa, San Antonio) (Secret)

The SMX Space and Intelligence (S&I) Business Unit (BU) is on the ground floor across the future remote sensing ecosystem for 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 with a strong background in 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 Jira is a plus.

Work will be performed in Colorado. Please apply to this role if you have interest in relocating to Colorado.

Essential Duties & Responsibilities

• Design, develop, and maintain user interfaces for web applications.


• Collaborate with cross-functional teams to define, design, and ship new features.


• Write clean, maintainable, and efficient code in Python, C++, Java and JS React.


• 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 Jira for project management and tracking.


• Apply DoD standards and protocols to ensure compliance and security.

Required Skills & Experience

• Secret clearance


• Proven experience as a Full Stack Developer with expertise in Python and C++, JavaScript (JS), and/or React.


• Strong understanding of front-end technologies such as JavaScript/ React


• Strong experience with back-end development, including Python


• Familiarity with version control systems such as Git.


• 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 Jira 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

Application Deadline: March 30, 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:

$158,500—$247,600 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).