Specialist, Application Developer (Full-Stack Palantir Foundry Application Specialist)

The LHX Transformation team is seeking a Full‑Stack Application Developer who specializes in building and deploying user‑facing applications within the Palantir Foundry platform. This role focuses on creating interactive UI components, workflow-driven tools, and operational applications that integrate data, logic, and ontology-driven systems into intuitive, scalable experiences for enterprise users.

This position plays a key role in supporting LHX Transformation by enabling digital workflow optimization, operational automation, and enterprise-wide decision support. The selected individual will develop full-stack Foundry applications that connect backend logic, pipelines, APIs, and ontology objects to front-end components that streamline and modernize business operations across L3Harris.

The ideal candidate will combine full-stack application development with strong data and analytics capabilities, including experience with data integration, ETL processes, data modeling, analytics, visualization, and data validation. This role partners closely with business stakeholders, data architects, developers, and IT teams to translate business requirements into scalable, data-driven solutions that support operational efficiency and informed decision-making.

• Design and develop user-facing applications within Palantir Foundry, including forms, interactive UIs, workflows, and operational tools.
• Build full-stack logic and data pipelines using Foundry Code Repositories, including TypeScript, JavaScript, Python, and backend API integrations.
• Create ontology-based application features such as Actions, object relationships, and role-aware workflow operations.
• Integrate UI components with backend datasets, pipelines, REST APIs, and ontology objects.
• Conduct business requirements gathering UX design, prototyping, and iterative refinement of Foundry applications.
• Implement testing, debugging, release management, and application lifecycle support within Foundry environments.
• Develop application documentation, user training materials, and operational usage guides.
• Troubleshoot application issues, optimize performance, and incorporate feedback from end-users to improve usability.
• Partner with data engineering and platform teams to connect applications to reliable, well-governed data sources.
• Apply data integration, ETL, and data modeling best practices to connect, transform, and validate data from multiple enterprise sources.
• Conduct data validation, root cause analysis, and troubleshooting to ensure application reliability, data integrity, and solution quality.
• Support ongoing enhancement, maintenance, and continuous improvement of enterprise applications, data assets, and analytics solutions.

• Bachelor’s Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
• 2+ years of front-end or full-stack development using Python, JavaScript, TypeScript, or similar languages.

• Familiarity with React-style component patterns or comparable front-end frameworks.
• Experience with ontology modeling and object-driven application logic.
• Experience with Python for backend automation or processing.
• Knowledge of enterprise data systems (SAP, Oracle EBS, Costpoint, REST APIs).
• Experience with AI tools such as OpenAI, Palantir AIP, Snowflake Cortex, or similar.
• Experience designing workflow automations and operational tools within Foundry.
• Familiarity with React-style component patterns or comparable front-end frameworks.
• Experience with ontology modeling and object-driven application logic.
• Experience with Python for backend automation or processing.
• Knowledge of enterprise data systems (SAP, Oracle EBS, Costpoint, REST APIs).
• Experience with AI tools such as OpenAI, Palantir AIP, Snowflake Cortex, or similar.
• Experience designing workflow automations and operational tools within Foundry.

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $79,000-$146,500. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, and Vermont is $69,000-$128,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.