Senior Foundry Developer

Position Summary

This is an ONSITE position located at the Navy Yard, D.C.

Active Secret Clearance Required

National Capitol Contracting is seeking a skilled and innovative Senior Foundry Developer to design and build operational applications within Palantir Foundry. This position will focus on translating Navy business and mission requirements into user-facing applications, automated workflows, and scalable technical solutions. The successful candidate will work closely with stakeholders, data engineers, and technical teams to deliver applications that improve decision-making and operational performance.

NAVSEA—one of the Navy’s six system commands and the organization responsible for both industrial operations and digital modernization—has partnered with National Capitol Contracting on the congressionally funded Naval Digital Logistics Acceleration program. This is an opportunity to build applications and tools that directly strengthen the Navy’s digital and operational capabilities.

Essential Duties and Responsibilities

• Design, develop, test, deploy, and maintain user-facing applications within Palantir Foundry.
• Build operational applications and workflows using Foundry Workshop, Ontology, Actions, Functions, and related development capabilities.
• Translate business, mission, and user requirements into application designs and technical solutions.
• Develop application logic, reusable components, automated workflows, and interactive user experiences.
• Configure ontology objects, relationships, properties, and actions to support operational applications.
• Integrate Foundry applications with APIs, databases, external applications, and enterprise systems.
• Develop custom functionality using Python, TypeScript, JavaScript, SQL, or other applicable programming languages.
• Collaborate with data engineers to ensure applications use accurate, reliable, and properly structured data.
• Create prototypes and proof-of-concept applications to validate requirements and gather user feedback.
• Implement automated testing and validation to ensure application reliability and functionality.
• Troubleshoot application defects, integration issues, performance concerns, and user-reported problems.
• Optimize applications for usability, performance, scalability, and maintainability.
• Apply appropriate security permissions, access controls, and data-governance requirements.
• Participate in code reviews and follow established development, testing, documentation, and deployment standards.
• Document application architecture, technical designs, configurations, workflows, and support procedures.
• Conduct application demonstrations and gather feedback from technical and nontechnical stakeholders.
• Provide technical guidance and mentorship to junior developers.
• Perform other duties as assigned.

Minimum Requirements

• Active Secret clearance.
• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related technical field.
• 9 years of experience in software development, application development, platform development, or a related technical field.
  • 4 additional years of relevant experience may be substituted for the bachelor’s degree, for a total of at least 13 years of relevant professional experience.
• Hands-on experience developing applications or operational workflows within Palantir Foundry.
• Experience with Foundry Workshop, Ontology, Actions, Functions, or comparable application-development capabilities.
• Familiarity with Qlik, Power BI, or other business intelligence and visualization tools.
• Proficiency in at least one programming language such as Python, TypeScript, or JavaScript.
• Working knowledge of SQL, data models, and data relationships.
• Experience integrating applications with APIs, databases, or external enterprise systems.
• Experience supporting the full software development lifecycle, including design, development, testing, deployment, troubleshooting, and maintenance.
• Experience with automated testing, version control, debugging, and code-review practices.
• Ability to translate complex business and operational requirements into functional technical solutions.
• Understanding of application security, user permissions, access controls, and data-governance principles.
• Strong written and verbal communication skills with the ability to collaborate with technical and nontechnical stakeholders.

Preferred Qualifications

• Advanced experience with Palantir Foundry, including Workshop, Ontology, Actions, Functions, Code Repositories, or related capabilities.
• Palantir Foundry certification or formal Foundry training.
• Experience developing custom Foundry applications using TypeScript, JavaScript, React, or Python.
• Experience building ontology-driven applications and automated operational workflows.
• Familiarity with Foundry data pipelines, transforms, datasets, and data-modeling concepts.
• Experience developing applications that consume data from Databricks or other large-scale data platforms.
• Familiarity with DevSecOps, CI/CD pipelines, automated deployment, and Agile development practices.
• Experience supporting Department of Defense, Navy, federal government, or other highly regulated environments.
• Experience leading application-development efforts or mentoring development teams.