MSS Developer

PMAT is seeking an MSS Developer to design, build, and improve user-facing applications and visualization experiences within MSS and Palantir Foundry. This role focuses on converting operational requirements and complex data workflows into clear dashboards and interactive interfaces that support mission-focused decision-making.

Key Responsibilities

• Design, develop, and enhance user interfaces, dashboards, and interactive visualizations within MSS and Palantir Foundry, prioritizing usability and operational effectiveness.
• Build and refine Foundry Slate applications by improving layouts, navigation, data presentation, readability, and overall user experience.
• Partner with data engineers, developers, analysts, and operational stakeholders to translate requirements and complex data workflows into intuitive applications.
• Collect, evaluate, and incorporate end-user feedback to continuously improve functionality, visualization effectiveness, and user experience.
• Create reusable UI components, templates, design patterns, and guidance to support consistency and faster development across Foundry products.
• Apply accessibility, responsive design, and usability practices so applications work effectively across diverse users and operational environments.
• Support frontend development and integration by connecting user interfaces with Foundry Ontology objects, data pipelines, APIs, and supporting application services.
• Test, troubleshoot, document, and maintain UI/UX solutions while collaborating with development teams to resolve issues and implement improvements.

Required Qualifications

• Experience designing and developing user interfaces, dashboards, data visualizations, or interactive web applications.
• Experience building applications or user-facing capabilities within MSS, Palantir Foundry, or a similar enterprise data and application development environment.
• Experience applying UI/UX design principles, including usability, information architecture, accessibility, visual hierarchy, and consistent interface design.
• Experience with frontend development technologies, component-based application design, and modern web development practices.
• Ability to translate complex data, technical requirements, and operational workflows into clear and actionable visual experiences.
• Experience working with end-users and cross-functional technical teams to gather requirements, incorporate feedback, and iteratively improve applications.
• Strong analytical, problem-solving, and troubleshooting skills to identify and resolve usability and application issues.
• Strong written and verbal communication skills, with the ability to explain design decisions and technical concepts to developers, analysts, program stakeholders, and operational users.

Preferred Skills and Experience

• Hands-on experience developing and maintaining Palantir Foundry Slate applications, custom widgets, dashboards, and visualization products.
• Experience with TypeScript, JavaScript, React, HTML, CSS, Tailwind CSS, or related frontend development technologies.
• Experience integrating Foundry Ontology objects, data pipelines, APIs, and application services into user-facing applications.
• Experience with data visualization libraries, interactive charting, geospatial visualization, or advanced dashboard development.
• Experience building reusable component libraries, design systems, application templates, and UI/UX development standards.
• Familiarity with object-oriented programming, Python, SQL, Git, and full-stack software development concepts.
• Experience conducting usability testing, gathering operational user feedback, and refining applications through iterative development.
• Experience supporting Navy, Department of War, government, or other mission-focused data and software environments.

Required Education

Bachelor’s Degree or equivalent experience.

Technologies

• MSS
• Palantir Foundry
• Foundry Slate
• Foundry Ontology
• APIs
• Data pipelines
• TypeScript
• JavaScript
• React
• HTML
• CSS
• Tailwind CSS
• Python
• SQL
• Git

Citizenship and Clearance

• S. Citizenship required
• No dual citizenship
• SECRET security clearance required
• TS/(SCI Eligible) a plus

Location and Schedule

• 100% On-site
• San Diego, CA (NAVWAR)

Travel and Work Environment

• 5% travel (CONUS and OCONUS)
• PMAT offices as needed
• In some cases, work in a government facility may be required
• Travel may be required for customer engagement, team coordination, and potentially for business development

Compensation

USD 70,000 - 90,000 per yearly.