Software Engineer, Defense Applications - Clearance Required
LMI Consulting · Fort Belvoir, VA, US
About this role
## Overview LMI is seeking a **Staff Software Engineer** to build **user-facing applications** supporting a **U.S. Army technology modernization program**. You’ll own application capabilities from **user need through production delivery** using **Palantir Foundry** and modern web technologies. This is a **hands-on, across-the-stack** role where you’ll make architectural decisions and build software directly with **users and product teams**. **Location / Onsite Requirement:** This role requires **onsite support 2 to 3 days per week** at the customer site in **Ft. Belvoir, VA**. ## Responsibilities - Own the design and delivery of **user-facing defense applications** - Build **responsive interfaces**, **backend services**, **APIs**, and **data integrations** - Develop applications using **Palantir Foundry** capabilities and modern web frameworks - Work directly with **Army users** and **product designers** to understand workflows and refine capabilities - Establish strong practices for **architecture, testing, code review, security, CI/CD, and production operations** - Diagnose complex **application and integration issues** across the stack - Mentor engineers and contribute to technical decisions across the broader platform ## Qualifications ### Minimum Qualifications - Bachelor’s degree in **Computer Science**, **Software Engineering**, or related field (or equivalent practical experience) - **8+ years** of professional software engineering experience - Strong proficiency with **JavaScript/TypeScript**, **React**, and modern web application development - Experience building **backend services**, **APIs**, and **data-intensive applications** - Experience building applications on **Palantir Foundry** or a comparable enterprise data platform - Demonstrated ownership of a significant software capability from **architecture through production deployment** - Experience supporting a **Department of Defense** customer - **Active Secret clearance** ### Preferred Qualifications - Experience supporting the **U.S. Army** - Hands-on experience with **Palantir Foundry**, **Army Vantage**, **OSDK**, **Workshop**, or **AIP** - Experience with **Python, Java, Go, or Node.js** - Familiarity with **Army acquisition** or **program-management** processes - Experience with **cloud platforms**, **DevSecOps**, and **AI-assisted development tools** ## Clearance / Eligibility - Applicants must meet eligibility requirements for a **U.S. Government security clearance**. - **Only U.S. Citizens** are eligible for a security clearance. - LMI will only consider applicants with security clearances or those eligible for security clearances. ## Compensation - Target salary range: **$134,367 - $278,896** - The displayed range is typical and not a guarantee; compensation depends on factors including location, internal equity, contract requirements, and candidate qualifications (including security clearance). ## Job Location - **US-VA-Fort Belvoir**
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