Senior Data Engineer (Palantir Fourndry)

We are seeking a skilled Senior Data Engineer with expertise in

Palantir Foundry

to design, build, and deploy data-driven solutions. You will develop applications, data pipelines, and ontology models while collaborating closely with business stakeholders to translate requirements into effective tools and onboard teams for adoption.

This is a freelance, full-time role (40 hours/week), fully remote within Europe, with long-term engagement.

Key Responsibilities Design and implement end-to-end solutions in Palantir Foundry, including ontology modeling (object types, properties, links, actions), data pipelines (using Code Workbook/Repositories), and applications

(Workshop, Contour, Quiver, Object Explorer). Build and maintain the Foundry ontology to create a semantic layer aligning data with real-world business entities. Develop backend logic with

Python

(primary) and/or TypeScript/JavaScript for custom functions, transforms, and integrations. Develop user-facing applications and dashboards to support operational workflows. Collaborate with business functions to gather requirements, prototype solutions, and deliver training/onboarding sessions. Ensure solutions are scalable, secure, and governed (e.g., permissions, data quality). Troubleshoot issues, optimize performance, and document processes for knowledge transfer.

Required Qualifications 3+ years of software engineering or data engineering experience. Proven hands-on experience with Palantir Foundry, especially ontology development and management. Strong proficiency in Python (essential for Pipeline Builder, Code Repositories, and custom transforms). Experience

building full-stack applications in Foundry

(e.g., Workshop modules, frontends with Blueprint/OSDK). Excellent communication skills: Ability to explain technical concepts to non-technical stakeholders, conduct demos, and lead onboarding/training. Familiarity with SQL, data modeling, and integration tools. English level C1

(mandatory) – fluent communication with international stakeholders.

Preferred Qualifications Experience with TypeScript/React for custom Foundry frontends (via Ontology SDK). Knowledge of Spark/PySpark, REST APIs, or cloud platforms (AWS/Azure/GCP). Palantir certifications (e.g., Foundry Developer) or prior client-facing deployment experience. Background in data governance, analytics, or operational tools.

If this role fits your profile, don’t hesitate, we’d love to hear from you!