Software Engineer (Palantir Foundry, React & UI/UX)

Quick Facts

• Role: User-focused Palantir Application Developer specializing in modern, high-performance operational apps and interactive user interfaces

• Primary focus: Bridging Palantir data pipelines/ontologies with end-user UI using low-code modules plus custom frontend components

Description

Build intuitive, reactive, and visually compelling applications by translating multi-layered data ontologies into user experiences. You will connect complex data pipelines to end users, using Palantir Foundry tooling (low-code and generated code) alongside custom React/TypeScript components. Work closely with business owners to gather needs, define system requirements and screen flows, and iterate from prototypes to production.

Responsibilities

• Collaborate with business owners to understand needs and convert them into clear system requirements, screen flows, and solution approach

• Create UI/UX mockups and implement frontend design layouts using Palantir’s open-source Blueprint design library

• Define UI design strategy for Foundry applications (layout, component strategy, reusability, accessibility)

• Decide how to use or extend Foundry ontology elements (objects, properties, links, logic, actions)

• Build applications using Palantir tooling: Workshop, Slate, the OSDK with React/TypeScript, and AIP (low-code, no-code, and generated code)

• Configure AIP workflow orchestration, automations, and agent-driven steps

• Test with AIP Eval, deploy for demos/reviews, and iterate feedback through production release

Requirements

• Proven hands-on experience building user-facing application components inside Palantir Foundry (Workshop, Slate, Actions, Functions, AIP/Pilot)

• Strong proficiency in TypeScript, JavaScript, HTML5, and CSS3

• Experience building single-page applications (SPAs) with React.js

• Comfort with REST APIs, efficient handling of large JSON payloads, and basic client-side data transformations

• Experience designing UIs on top of APIs and data models (REST/GraphQL)

• Strong UI/UX design intuition and ability to translate operational friction into dashboard layouts

• Ability to prototype and iterate quickly (wireframe to working app in days)

• Ability to translate business needs into system requirements, design, and development in fast-paced ADLC cycles

Benefits

• Opportunity to combine UX, business analysis, and frontend engineering to deliver end-user operational applications

• Use Palantir low-code tooling and custom frontend components to move rapidly from prototype to production