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September 18, 2026
Mid-Level Full Stack Software Engineer
Mid
87,100 - 157,450 USD/yr
St Louis, MO
Apply now
Quick Facts
Role: Mid-Level Full Stack Software Engineer
Focus: Secure GEOINT mission software (web apps, REST APIs, microservices)
Clearance: Active Top Secret/SCI with ability to pass a polygraph
Description
Design, develop, test, and deploy software solutions supporting the customer’s GEOINT mission. You will build and maintain secure, containerized applications and contribute across the full software lifecycle in an Agile, DevSecOps environment. Work includes RESTful APIs, user-facing interfaces, and collaboration with mission users and product stakeholders to refine requirements and improve UX.
Responsibilities
Participate in agile sprints (stand-ups, sprint planning, retrospectives)
Build and maintain secure, containerized applications (e.g., Docker, Kubernetes, AWS)
Develop RESTful APIs and modern user interfaces (e.g., React, Node.js, Flask, Spring Boot)
Collaborate with mission users and product managers to refine requirements
Support DevSecOps pipelines and meet security and accreditation standards
Perform code reviews and mentor junior developers
Resolve team-prioritized tasks assigned by the product owner
Requirements
US citizenship required
Active Top Secret/SCI clearance with ability to pass a polygraph
Bachelor’s in CS/Software Engineering/related with 4–8 years relevant experience, or Master’s with 2–6 years relevant experience
Strong proficiency with: HTML, CSS, JSON, Ajax, REST APIs
Proficiency with: Python or Java or JavaScript
Advanced programming experience with: Go
Experience with frameworks: React/Angular/Vue.js/jQuery/Spring Boot/Django/Node.js/Flask/Svelte
Cloud development: AWS or Azure (or similar)
Relational databases: MySQL, PostgreSQL, or SQL Server
Operating systems: Windows or Linux
Version control: Git
Experience architecting, developing, and delivering complex systems into production
CI/CD experience: GitLab CI and/or Jenkins; agile tools like JIRA and Confluence
Familiarity with cloud environments (e.g., AWS C2S/GovCloud) and containerization (Docker, Kubernetes)
Knowledge of secure coding practices and accreditation processes (RMF, STIGs)
Strong self-motivated learning mindset
Benefits
Competitive compensation within the stated pay range ($87,100.00 - $157,450.00)
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Opportunity to work on mission-critical software with cross-functional teams
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