Software Engineer - Applied AI, Defense Applications

Palantir's Defense Applied AI product team builds products that help the modern warfighter leverage AI for their most mission-critical work.

You will help own the entire end-to-end Agent experience in our products and work relentlessly to ensure they deliver value for our users, while maintaining a high bar for quality.

Your day-to-day workflow will vary, adapting to the requirements of our users and the technical challenges that arise.

Core Responsibilities

• Design and build AI agents that help defense and intelligence users investigate complex questions, analyze operational data, develop plans, and produce actionable work
• Relentlessly focus on improving agent experience through data-driven evals across memory, tool and skill design, context management, fine-tuning, and more
• Actively improve user workflows by collaborating with cross-functional teams, ensuring seamless experiences across product boundaries and a cohesive user experience
• Build intuitive interfaces that let users direct agents, follow their progress, inspect supporting evidence, review proposed actions, and refine the resulting work
• Own features from early experimentation through production deployment, working with users, designers, and engineers to turn specific mission needs into reliable, reusable product capabilities
• Optimizing applications for speed and scalability through performance analysis and with high-scale, complex data

What We Value

• Strong product instincts and attention to the details that make complex software intuitive and useful
• Ability to communicate and collaborate with a variety of individuals, including engineers, users and non-technical team members
• Experience building applications with LLMs, including tool design, context management, agent workflows, or evaluation
• Willingness to learn and make decisions independently, the ability to ask questions effectively, and the skills to iterate directly with users and own core outcomes
• Curiosity about emerging AI capabilities and sound judgment about where they can solve real user problems

What We Require

• Experience coding in programming languages, such as Java, C++, Python, JavaScript, or similar languages
• Strong software engineering skills and experience delivering production applications
• Strong proficiency in React and Typescript
• Engineering background in Computer Science, Mathematics, Software Engineering, Physics or similar field
• Strong written and verbal communication skills and ability to iterate quickly with teammates, incorporating feedback and holding a high bar for quality
• Active US Security clearance or eligibility and willingness to obtain a US Security clearance