AI Engineer - Fulltime (US Citizens only)

Position Overview

RJA Technologies is an innovative startup on a mission to bring cutting-edge artificial intelligence solutions to the defense industry. We are looking for a passionate, driven AI Engineer to join our dynamic team and contribute to building the next generation of intelligent products and systems. In this role, you will develop intelligent systems powered by open-source and foundational AI models while collaborating closely with the AI lead and other developers in a fast-paced startup environment.

Key Responsibilities

• Design and develop AI Agents to solve complex problems using natural language processing, LLM APIs, RAG, etc.
• Research and apply state-of-the-art AI techniques and algorithms to improve system accuracy, efficiency, and performance.
• Use Multi-Agent LLM frameworks to develop innovative applications.
• Implement data preprocessing, vector-database tools, testing, and deployment.
• Continuously monitor and evaluate AI applications/Agents to enhance their performance in production environments.
• Contribute to code reviews, documentation, and best practices to ensure high-quality, maintainable AI code.
• Participate in rapid prototyping, experiments, and scaling of AI models for both internal and real-world applications.
• Stay up to date with the latest trends in AI and bring fresh ideas to the table.
• Collaborate with engineers and the leadership team to build solutions that align with the company’s goals.
• Potential to obtain and hold a security clearance (US Citizenship Required).

Required Qualifications

• BS/MS in a quantitative discipline, preferably Computer Science, EE, Math, or Physics
• Minimum 2 years coding experience in Python

Preferred Qualifications

• Experience with LLM-based applications using LLM API calls or LLM frameworks
• Experience with coding tools such as Claude Code, Cursor, Codex-CLI, OpenCode, etc.