Senior Level Full Stack Software Engineer

Title:

Belong. Connect. Grow. with KBR!

Around here, we define the future.

We share one goal: to improve the world responsibly as a company of innovators, thinkers, creators, explorers, volunteers, and dreamers.

Note: This position is contingent upon contract award, customer approval, and funding availability.

Clearance: Ability to obtain and maintain a government background check
Citizenship Requirement: Applicants must be U.S. Citizens or Permanent Residents

Preferred location is Sioux Falls, SD

Will consider Remote

About the Role

A senior 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.

You will have:

• 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 8+ years of relevant experience.

The role

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.

What you’ll do

• 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.

Preferred experience

• 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.

Who we are — the impact we make

At KBR, we are thinkers, creators, explorers, and problem‑solvers. Our teams support missions that protect the planet, advance scientific understanding, and deliver innovation to communities around the world. When you join us, you join a global organization committed to excellence, inclusion, and meaningful impact.

Ready to make a difference? Apply today.

Bring your React and MapLibre expertise to a team that values innovation, collaboration, and purpose. Apply now and follow KBR on LinkedIn to stay informed on news and opportunities.

Basic Compensation:

$118,400-$177,600

The offered rate will be based on contract affordability and the selected candidate's working location, knowledge, skills, and/or experience and in consideration of internal parity.

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR 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.​

Click here to learn more: KBR Benefits

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.