Lead Palantir Foundry Developer & Architect - Hybrid

Unissant; Herndon (VA); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Unissant, Inc. is seeking a Senior Palantir Foundry Developer (Lead) to join our team in a hybrid role based in Washington, DC / Herndon, VA. The ideal candidate will lead Foundry build capability, mentor junior staff, and own delivery on day one.

The role requires five or more years in software or data engineering, with three or more years of hands-on Palantir Foundry in a lead capacity; DHS/CBP or federal context is preferred.

Qualifications

• Five or more years of software or data engineering experience, including three or more years of hands‑on Palantir Foundry experience in a lead or senior capacity.
• Demonstrated experience owning Foundry solutions end‑to‑end, ideally in a federal or highly regulated environment.
• Strong proficiency in Python, SQL, and TypeScript.
• Experience translating ambiguous client requirements into scalable technical architecture.
• Prior experience supporting DHS, CBP, or other federal law enforcement/homeland security clients preferred.
• Experience standing up or scaling a Palantir practice within a consulting or systems integrator environment preferred.
• Familiarity with AIP preferred.

Responsibilities

• Serve as technical lead for Foundry application and ontology development across client engagements.
• Design and build complex ontology models, Actions, Functions, and Workshop applications from the ground up.
• Own solution architecture decisions in coordination with client stakeholders and Unissant leadership.
• Mentor and upskill junior developers as the practice scales.
• Serve as a primary technical point of contact in client meetings and proposal support activities.
• Establish reusable frameworks, templates, and best practices for the practice.

Skills

Palantir Foundry

Python

SQL

TypeScript

Federal government experience

Education

Bachelor's Degree

MBA/Master's

Tools

AIP (Palantir)

Job description

Unissant, Inc. is seeking a Senior Palantir Foundry Developer (Lead) to join our team in a hybrid role based in Washington, DC / Herndon, VA. The ideal candidate will lead Foundry build capability, mentor junior staff, and own delivery on day one.

The role requires five or more years in software or data engineering, with three or more years of hands-on Palantir Foundry in a lead capacity; DHS/CBP or federal context is preferred.