Freelance International Software Developer Jobs (NOW HIRING)

Job Summary:
Quantum Research International, Inc. provides services and products in various areas including Cybersecurity and Information Operations. They are seeking a Senior Software Developer to lead software development efforts for the Army's Threat System Management Office, focusing on advanced software solutions and cloud management.
Responsibilities:
• Lead collaboration with peer developers, stakeholders, and cross-functional teams to architect, design, develop, and maintain ACIERS software applications and related systems.
• Apply and enforce advanced programming best practices to ensure delivery of high-quality, scalable, and maintainable code.
• Design, provision, scale, monitor, secure, and optimize cloud environments for mission applications.
• Evaluate, test, and integrate large and small language models (LLMs) to meet ACIERS analytic and reporting requirements.
• Troubleshoot complex issues across legacy and modern codebases, including AI pipeline modules, and drive continuous improvement initiatives.
• Mentor junior and mid-level developers while working in Agile teams, providing leadership in front-end, back-end, and full-stack design for mission-critical applications.
• Build, maintain, and optimize dockerized/containerized environments for application and model deployment in secure customer enclaves.
• Develop, debug, enhance, and lead the evolution of Python-based services, scripts, utilities, and microservices architectures.
• Guide the integration of AI frameworks, vector databases, and NLP capabilities into production systems.
Qualifications:
Required:
• Bachelor of Science (BS) Degree from an accredited university in Computer Science, Software Engineering, Computer Programming, Electrical Engineering, or equivalent degree. Additional senior-level experience may be considered in lieu of a degree with a proven record of leadership and technical excellence.
• 7+ years of progressive experience in industry-relevant software development, with demonstrated senior-level contributions.
• Certifications in Software Engineering, Computer Programming, or Information Security a plus.
• DoD Security Clearance (requires US Citizenship to obtain/maintain).
• Must be able to obtain and maintain a DoD Top Secret clearance with SCI eligibility throughout employment.
• Expert understanding of programming fundamentals, including advanced data structures, algorithms, object-oriented design, debugging, problem-solving, and version control (e.g., Git).
• Proven experience with software development methodologies (Agile/Scrum preferred).
• Strong AI Inference Framework Experience (Ollama, LM Studio, etc.); expertise in integrating AI frameworks into application architectures is required.
• Proficiency in Database Technologies (SQL, MongoDB, PostgreSQL, Redis, etc.).
• Hands-on experience with Natural Language Processing (NLP) techniques and Deep Learning frameworks (e.g., TensorFlow, PyTorch).
• Extensive experience with Docker containerization and orchestration.
• Strong knowledge of RESTful API design principles and implementation.
• Familiarity with vector databases and their application in AI-driven systems.
• Knowledge of industry best practices for web development and secure coding.
• Effective communication, leadership, and collaboration skills in team environments.
• Willing to travel as needed/required.
Preferred:
• Bachelor of Science (BS) Degree from an accredited university in Computer Science, Software Engineering, Computer Programming, Electrical Engineering, or equivalent degree. Additional experience may be considered in lieu of a degree with a proven record of senior level experience. Strong willingness to learn and adapt to new technologies and programming language.
• 9 + years of experience in industry-relevant software development.
• Active DoD Top Secret clearance with SCI eligibility and ability to maintain throughout employment.
• Proficiency in multiple programming languages and frameworks, including Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash.
• Experience with web development technologies (full-stack preferred).
• Advanced knowledge of prompting methods, prompt engineering, and optimizing AI model outputs.
• Experience designing or enhancing automated workflows leveraging AI models for analysis, content generation, or decision support.
• Expert proficiency in Linux operating systems, including system administration, maintenance, package management, shell scripting, containerization (Docker), and troubleshooting Linux-based networks.
• AWS Cloud Engineering skills (provisioning, security, scaling, monitoring).
• Strong planning, critical thinking, problem-solving, task management, and time management skills.
• Certifications in Software Engineering, Computer Programming, or Information Security a plus.
Company:
Quantum Research International offers cyber solutions. Founded in 1987, the company is headquartered in Huntsville, USA, with a team of 201-500 employees. The company is currently Growth Stage.