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Full Stack Engineer

SOS International LLC (SOSi)
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Overview

 

SOS International LLC (SOSi) is seeking a Full Stack Engineer to join our team in Huntsville, AL or Reston, VA. As a member of the Office of the CTO (OCTO), you will leverage your technical expertise to design, implement, and maintain complex software architectures across a diverse portfolio of contractual programs, Proof of Concepts (POCs), and Internal Research and Development (IR&D) projects. This role offers the opportunity to drive innovation, create cutting-edge solutions, and directly impact both internal and external customers. 



Essential Job Duties

 

  • Operate as part of an innovation cell within the OCTO to deliver impactful solutions for SOSi and our customers 
  • Design, develop, and deploy full-stack software using modern frameworks, tools, and best practices 
  • Collaborate in innovation sprints to rapidly prototype, build, and deploy solutions for customer challenges 
  • Build scalable, secure, and highly available cloud-based architectures for AI/ML, data-driven applications, and more 
  • Develop seamless integrations between APIs, microservices, backend systems, and responsive, user-friendly front-end interfaces 
  • Contribute to and engage with the open-source community to leverage and enhance relevant technologies 
  • Craft thought leadership articles, whitepapers, and technical content for RFIs and RFPs to showcase SOSi’s capabilities 



Minimum Requirements

 

  • A Bachelor's degree in a technical field is preferred but not required; or equivalent experience
  • Target 7 years' experience or very strong work samples 
  • Exceptional technical communication skills, with the ability to translate rough concepts into actionable solutions 
  • Expertise in full-stack software development, including: 
  • Experience with complex software patterns, such as distributed systems and orchestration frameworks like Kubernetes 
  • Frontend: Modern frameworks like React, Angular, or Vue 
  • Backend: Node, Python, Java, Kotlin or other server-side languages 
  • Data Modeling: Relational (PostgreSQL/MySQL) and NoSQL (MongoDB/DynamoDB) 
  • DevSecOps: Familiarity with CI/CD pipelines, security scanning, and vulnerability remediation 
  • Someone who thrives in dynamic R&D/lab environments over structured pre planned work 



Preferred Qualifications

 

  • AWS Solutions Architect certifications 
  • Microsoft Certified Azure Solutions Architect certification 
  • Familiarity with AI/ML pipelines and distributed systems 
  • An Active Secret/Top Secret clearance 
  • IL6 experience 
  • Located in Huntsville AL or Reston VA 



Work Environment

 

  • Hybrid work environment  
  • Agile, fast-paced environment with opportunities for major impact 
  • May occasionally require non-traditional working hours, including nights or weekends

 

Benefits 

 

Health 

  • Comprehensive dental, vision, and medical coverage. 
  • Life and disability insurance options. 
  • Health Advocate Program for personalized support 

 

Financial 

  • Competitive 401(k) retirement plan with company contributions 

 

Leave 

  • 16 Days off + holidays and flexible floating holidays 
  • Paid Parental Leave 

 

Learning 

  • Tuition Reimbursement Program 
  • Reimbursement for approved trainings/subscriptions 
  • Approved Conferences (travel, lodging, and fees) 



Commitment to Diversity

 

SOSi does not discriminate against job applicants or employees on any legally recognized basis including, but not limited to age, race, color, religion, national origin, genetic information, sex, sexual orientation, gender identity or expression, marital status, disability, veteran status, or any other characteristic protected by applicable U.S. federal, state, and local laws.