Senior Full Stack Engineer

• Bachelors degree and 8 years professional experience, or a Masters degree and 6 years professional experience, or an Associates degree and 10 years professional experience; or a high school diploma/equivalent and 12 years' professional experience.
• U.S. Citizenship required; must have the ability to obtain and maintain a Public Trust clearance; all work must be performed within the United States.
• PostgreSQL / PostGIS — Demonstrated experience designing, implementing, and optimizing relational databases with spatial data types, indexing strategies, and complex query development.
• Python Backend Development — Proficiency building RESTful APIs using FastAPI or Flask; experience with data ingestion, ETL workflows, and scripting for automation.
• JavaScript / Type Script & React — Strong front-end development skills using modern JavaScript frameworks; ability to build responsive, accessible, interactive web applications.
• GIS / Geospatial Development — Hands-on experience with ArcGIS, Arc Py, GDAL/OGR, PostGIS, and at least one web mapping library (ESRI JavaScript API, Leaflet, or Mapbox).
• API Design & Integration — Experience designing, documenting, and consuming RESTful APIs; understanding of API security, versioning, and documentation best practices.
• Data Modeling & Metadata Management — Ability to design logical and physical data models, entity-relationship diagrams, and comprehensive data dictionaries aligned with federal metadata standards.
• Cloud-Ready Architecture — Experience designing portable, maintainable systems for cloud or hybrid deployment; familiarity with containerization and cloud-native design patterns.
• Git / Git Lab Version Control — Proficiency with Git-based workflows including branching, merging, code review, and repository management.
• Section 508 / WCAG 2.0 Accessibility — Working knowledge of web accessibility standards (Level A and Level AA); experience implementing semantic HTML, ARIA attributes, keyboard navigation, and color contrast compliance.
• Federal IT Security Compliance — Familiarity with FISMA, NIST SP 800-53, and federal Certification & Accreditation (C&A) processes.
• Technical Documentation — Demonstrated ability to produce clear, complete technical documentation including user guides, API references, system schemas, and deployment guides.
• Communication & Collaboration — Strong written and verbal communication skills; experience working in cross-functional teams with government stakeholders; ability to provide clear status updates and integrate iterative feedback.

• USGS or DOI Experience — Prior experience supporting USGS, Department of the Interior, or other federal science agencies.
• Volcano or Natural Hazards Data — Familiarity with volcano monitoring data, natural hazards datasets, or environmental science data systems.
• R Programming — Experience using R for statistical analysis, data visualization, or geospatial data processing.
• ESRI / ArcGIS Web Services — Experience consuming or publishing geospatial web services in enterprise environments.
• Mobile-Responsive Development — Experience building mobile-friendly, responsive web interfaces for field or remote use.
• Content Management System (CMS) Development — Experience designing editable frameworks that allow non-technical users to manage content and workflows.
• NIST Security Frameworks — Deep familiarity with NIST SP 800-37, 800-18, 800-30, 800-64, 800-34, FIPS 199, and FIPS 200.
• DOI System Development Life Cycle (SDLC) — Experience working within the DOI SDLC and Security Integration Guide.
• Agile / Iterative Development — Experience in milestone-driven or sprint-based iterative development methodologies with government review cycles.

Peraton is seeking a Senior Full Stack Engineer…