Mid-Level Full Stack Software Engineer

KBR, Inc. • Sioux Falls, SD

7d • $110,400 - $165,500 • Remote

About The Position

A mid‑level full‑stack developer passionate about building user‑centric web apps and map‑based UIs. You thrive in collaborative environments, love solving complex problems, and want your work to make a real‑world impact in science and technology programs. As a Software Engineer – Full Stack, you will design, build, and support advanced web‑based mapping and data visualization tools. You’ll work on geospatial applications and data products used across environmental science, natural resource management, and other mission‑driven domains.

Requirements

• Strong hands‑on experience with React (SPA patterns, hooks, state management) and MapLibre for interactive web mapping.
• Proficiency across JavaScript/TypeScript, HTML/CSS, Python.
• Experience designing and maintaining database‑driven applications (PostgreSQL).
• Ability to build secure, performant, and accessible front ends and robust APIs/services.
• Excellent collaboration, communication, and time‑management skills.
• Bachelor’s degree in a software/computing field and 3–7 years of relevant experience.
• Applicants must be U.S. Citizens or Permanent Residents
• Ability to obtain and maintain a government background check

Nice To Haves

• MapLibre ecosystem expertise (style JSON, sprite/glyph pipelines, vector/raster tiles, performance profiling); familiarity with Mapbox‑compatible tools.
• Framework experience with MVC frameworks.
• Requirements gathering and design analysis.
• Git‑based workflows and configuration management.
• GIS tools (commercial or open source), spatial ETL, and tile generation.
• Understanding of OGC standards (WMS, WFS, WCS, WPS) and OGC APIs.
• Knowledge of spatial data formats, projections, and reference systems.

Responsibilities

• Develop interactive React applications featuring MapLibre maps (vector tiles, layers, sources, styling, controls, and performance tuning).
• Build and maintain full‑stack features using JavaScript/TypeScript, React, HTML/CSS, Python, and XML.
• Implement server‑side services/APIs and integrate with PostgreSQL.
• Apply software engineering best practices across design, testing, documentation, and security.
• Partner with teammates and stakeholders to iterate quickly and deliver high‑quality solutions.

Benefits

• KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule.
• We support career advancement through professional training and development.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees