Full Stack Developer (5285) (Cleared & On-site)

SMX is seeking creative problem solvers who can design and develop solutions with our clients. We are technology agnostic, in a sense, and are interested in people who come from different environments and backgrounds than perhaps what we have seen. Understanding and having an interest in working in an analytics environment is a great skill to have as well. You can be a self-proclaimed full-stack web application guru, advancing in your engineering or analytics career, or a data developer who has a strong interest in software engineering. You will be part of one of our fastest-growing, heavily impactful teams, and working with a great client who loves data as much as we do.

This is a full-time position requiring on-site work four days a week at a client's office in Washington, D.C. An active Top-Secret clearance is mandatory.

Essential Duties and Responsibilities:

• Design overall architecture of the web application
• Design, develop, and implement Extract, Transform and Load (ETL) solutions from various data sources into desired systems
• Maintain and supervise operation of existing ETL packages
• Troubleshoot and debug front- and back-end processes
• Utilize Power BI, data analysis, data query, data aggregation, and big data technology to analyze and display results from several internal and external systems
• Maintain quality and ensure responsiveness of applications
• Collaborate with the rest of the engineering team to design and launch new designs and features
• Maintain code integrity and organization, optimization and performance
• Document requirement specifications and any related designs
• Execute project assignments to support the overall objectives of the project plan; analyze and resolve technical problems

Required Skills:

• Highly experienced with HTML5, CSS3, Java/J2EE, JavaScript, TypeScript, NodeJS/Deno, REACT and/or Python
• Strong proficiency in ETL development, data transformation, and data management
• Experience with Power BI for data visualization and analysis
• Knowledge of data query, data aggregation, and system architecture
• Experience with big data technologies
• Ability to design and write test case scripts
• Ability to work effectively in both a team and independently within a fast-paced environment
• Database knowledge (required for ETL functions)
• Able to deal with a diverse set of stakeholders and facilitate workshops
• Proficient in articulation, communication, presentation, and hold high integrity
• Possess strong problem-solving skills & a learning attitude
• Needs to be a team player, can also work remotely and independently
• 5+ years of related experience, including 5+ years designing, developing, and implementing ETL solutions from various data sources
• Must hold active Top-Secret clearance

Desired Skills/Experience:

• Preferred bachelor's degree in engineering, Mathematics, Computer Science, Information Systems, Design, Economics or Business, or equivalent

** This position requires four days a week on site at customer location in Washington DC.

Application deadline 7-3-2026

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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:

$114,600 - $192,500 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).