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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Full-Stack / Simulation - **Company:** Obsidian Solutions Group - **Location:** Fredericksburg, VA, United States - **Experience:** Experienced - **Salary:** $112,000.0 - **Contract:** Permanent contract - **Skills:** Unity 3d, Training Data, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Android Studio, Automation of Tests, C Sharp (Programming Language), Mobile Application Development, Software Quality, Code Review, Computer Programming, Databases, Data Security, Serialization, Data Visualization, Cursor (Graphical User Interface Elements), Web Development, Electronic Data Interchange (EDI), Firmware, Game Engine, Protocol Buffers, Python (Programming Language), Network Security, NetCDF, Secure Messaging, Software Engineering, TypeScript, Web Applications, Digital Twin, Cloud Platform System, PIC Microcontroller, Production Code, Real Time Data, Machine Learning Operations, Front End Software Development - **Published:** July 18, 2026 - **Apply:** https://www.disabledperson.com/jobs/73735499-software-engineer-full-stack-simulation ## About the Role * Experience: 4+ years of professional software development experience. * Core Full-Stack Skills: Strong programming skills in modern languages (such as Python, JavaScript/TypeScript, or C#) and experience building web applications backed by databases. * Networking & Security: A solid understanding of secure, real-time data communication, including encryption standards (AES, TLS), and secure networking principles across the entire lifecycle, from edge devices to the cloud. * Visualization & Experience with web-based data visualization libraries and a knack for making complex technical datasets intuitive. Preferred experience includes working with scientific data formats (e.g., NetCDF, HDF5), weather/environmental modeling outputs (e.g., WRF), and consuming GIS or meteorological APIs for real-time spatial mapping. * Game Engine Exposure: Professional or strong project experience working with 3D applications, digital twins, or game engines (Unity3D preferred). * Testing & Quality: Experience writing clean, reliable code and using automated testing frameworks to ensure software quality. * AI/ML Integration: A proactive interest in AI/ML, with the ability to support the full lifecycle of intelligent solutions-from identifying and sourcing high-quality training data and refining models, to integrating these tools into simulation pipelines to create clear, actionable value for our projects. * Adaptability & R&D Mindset: A drive to learn new frameworks, tackle unique R&D challenges, and work in an agile, collaborative environment where your ability to solve novel problems is more important than your familiarity with any single legacy tool. Desired Skills and Experience * Data Serialization: Experience with Google Protocol Buffers (Protobuf) for efficient, high-speed data exchange. * Tactical Edge Development: Experience with mobile app development using Android Studio or the Android Team Awareness Kit (ATAK) plugin ecosystem. * Platform Experience: Experience working across the stack, from firmware/micro-controllers to consumer mobile and cloud environments (AWS GovCloud). * Defense Networking: Familiarity with defense data protocols (e.g., Cursor-on-Target, DIS, HLA) or geospatial mapping tools. Physical Requirements and Work Environment * Normal office and lab environment. * Occasional work in simulation labs, field testing environments, or training facilities. * Travel Requirements: Up to 35% ## Description * Develop Web-Based Visualizations: Build intuitive, high-performance dashboards and interactive web tools to visualize complex datasets, including atmospheric and environmental sensor data. * Architect Secure Data Pipelines: Design and implement end-to-end secure messaging solutions to move data reliably between local tactical devices (including micro-controllers and mobile) and cloud-based infrastructure. * Build Full-Stack Applications: Develop and maintain the backend APIs and frontend interfaces that serve as the control centers for our simulation ecosystems. * Develop Simulation Environments: Contribute to the creation of interactive, collaborative 3D environments using game engines (Unity3D preferred). * Ensure Security & Quality: Implement robust encryption (e.g., AES-256), secure network protocols (TLS), and access controls; write automated tests and participate in code reviews to ensure our software is resilient and reliable. * Collaborate on R&D: Work closely with hardware teams and subject matter experts to prototype new capabilities for defense and rapid-innovation contracts. ## Related Videos - [Reality and Beyond: Coding a Drone Using {Unity 3D .NET} and ChatGPT AI!](https://www.wearedevelopers.com/videos/702-reality-and-beyond-coding-a-drone-using-unity-3d-net-and-chatgpt-ai) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Robots are coming into the wild! 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