Front-End Software Developer • Modeling & Simulation / HITL BTS Software Solutions 401(k) United States, Maryland, Aberdeen Aug 28, 2026 BTS is seeking a Front-End Software Developer - Modeling & Simulation / HITL to provide intelligence support, supporting the Intelligence and Information Warfare Directorate (I2WD) at Aberdeen Proving Ground What You'll Get to Do Develop modern software interfaces supporting modeling and simulation, hardware-in-the-loop (HITL), and advanced engineering environments for critical national security missions. You'll build intuitive applications that allow engineers and operators to configure systems, visualize complex data, control simulations, and interact with physical and simulated hardware. More About the Role As a Front-End Software Developer, you'll design and implement user interfaces for engineering, simulation, and test applications. You'll work closely with modeling and simulation engineers, embedded developers, hardware engineers, and systems engineers to translate complex technical workflows into usable software. The ideal candidate combines strong modern front-end development skills with experience integrating applications with real-time data, simulation environments, or HITL systems. Required Qualifications Active TS/SCI security clearance. Experience developing production-quality front-end applications using modern JavaScript or TypeScript frameworks such as React, Angular, Vue, or similar. Strong proficiency with HTML, CSS, JavaScript/TypeScript, and modern web application architecture. Experience integrating front-end applications with REST APIs, WebSockets, message-based interfaces, or other backend services. Experience developing data-intensive interfaces, dashboards, visualization tools, or engineering applications. Familiarity with software development practices including Git, automated testing, code review, and CI/CD. Ability to work directly with engineers and technical users to translate complex system requirements into effective user interfaces. Desired Qualifications Experience supporting modeling and simulation (M&S) environments. Experience developing software for hardware-in-the-loop (HITL) or software-in-the-loop (SITL) systems. Experience visualizing or interacting with real-time telemetry, sensor data, system state, or simulation outputs. Familiarity with Python, C++, or other languages commonly used in engineering and simulation environments. Experience with 2D/3D visualization, geospatial interfaces, plotting, or scientific visualization libraries. Familiarity with simulation tools or frameworks such as MATLAB/Simulink, ROS/ROS 2, Unreal Engine, Unity, Gazebo, or similar. Experience integrating software with unmanned systems, robotics, embedded systems, test equipment, or physical hardware. Experience developing applications for aerospace, defense, autonomy, or other complex engineering environments.

Company Overview:

BTS Software Solutions is a Service-Disabled Veteran Owned Small Business who are community-focused innovators who transform ideas into technology to serve people. We recognize that innovation is only valuable when applied towards a needed solution. Technology has no value without the hard work to turn ideas into reality. Our roots are in helping save Soldiers' lives through technology. We bring that ethos to serving our community. We create solutions that touch people's lives - products to communicate, to connect companies with customers, to stay informed, to save lives, and to enhance lives. We have a small company persona with a large company ethos and capabilities; we create elegant solutions for complex problems that will enrich people's lives. We offer one of the best benefits packages in the industry: Competitive health benefits package, PTO, 401K matching and vested from day one to name just a few of our benefits and perks. BTS Software Solutions is an Equal Opportunity Employer (EOE). All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.