Palantir Frontend Engineer

Palantir Frontend Engineer (React / TypeScript / Foundry)

Contract (C2C)
GC, USC
Location: Remote (United States)

Strong React & TypeScript expertise with experience building data-driven UIs, preferably integrated with Palantir Foundry and ontology-based models.
Overview

We are seeking a highly skilled Palantir Frontend Engineer with strong expertise in React and TypeScript to build scalable, data-driven applications. This role focuses on developing entity-centric UIs integrated with Palantir Foundry, enabling business users to make real-time, data-backed decisions.

You will collaborate with cross-functional teams including data engineers, backend developers, and business stakeholders to deliver high-performance, workflow-driven applications in an enterprise environment.
Responsibilities

• Develop and maintain scalable frontend applications using React and TypeScript
• Build data-driven UIs integrated with Palantir Foundry
• Design and implement entity-centric user interfaces using Foundry Ontology models
• Create reusable, modular, and maintainable UI components and design patterns
• Develop TypeScript-based logic layers and UI workflows
• Translate complex business requirements into intuitive and user-friendly interfaces
• Implement state management and event-driven UI architectures
• Integrate frontend applications with APIs and backend services
• Collaborate with data engineers and backend teams to ensure seamless data flow
• Optimize applications for performance, scalability, and usability

• 4-8 years of experience in frontend / software development
• Strong hands-on experience with React (Hooks, component architecture, state management)
• Advanced proficiency in TypeScript
• Experience building production-grade frontend applications
• Experience working with data-driven or workflow-based systems
• Solid understanding of:
  • Event-driven architectures
  • State-driven UI design
  • Workflow-based applications
• Experience integrating with APIs and backend services

• Hands-on experience with Palantir Foundry
• Experience with ontology-driven data models and entity-based UI design
• Familiarity with Foundry tools such as Workshop, Slate, or Quiver
• Experience in enterprise-scale or data-intensive environments
• Exposure to Spark / PySpark or data pipelines