Senior Backend Developer Jobs in Madison, AL (NOW HIRING)

Position Title: Senior Software Engineer 

Location: Huntsville, Alabama 

Job Type: Full Time 

About EO Solutions  
EO Solutions is a rapidly growing aerospace and defense company focused on advancing capabilities in Space Domain Awareness and Directed Energy Systems. Our teams work across Hawaii, Nevada, Alabama, and remote locations to solve critical national security challenges with innovative, mission-focused technologies.  

Position Overview 

EO Solutions is seeking a highly skilled Senior Software Engineer to support the architecture, development, integration, and testing of advanced communication, controls, and safety software for complex High Energy Laser (HEL) weapon systems. This position requires a versatile software engineer capable of working across the full software stack, from embedded controls and real-time hardware interfaces to operator interfaces and mission-level graphical user interfaces (GUIs). The ideal candidate will possess strong software engineering fundamentals, experience with safety-critical systems, and the ability to rapidly develop and assess high-quality software solutions in a fast-paced defense environment. The successful candidate will also be comfortable leveraging modern AI-assisted software development tools while maintaining the technical judgment necessary to evaluate code quality, performance, security, safety, and maintainability. 

Key Responsibilities 

• Lead the development of advanced communication, controls, and safety software for High Energy Laser weapon systems 

• Design, develop, integrate, and test software across embedded, middleware, backend, and GUI application layers 

• Design, develop, test, and validate software and interfaces specifications 

• Develop embedded controls software for real-time hardware interaction and system control 

• Design and implement operator interfaces, mission displays, and visualization tools 

• Develop software architectures supporting modularity, scalability, maintainability, and mission reliability 

• Integrate software with sensors, tracking systems, beam control systems, and weapon subsystems 

• Support real-time communications, hardware interfaces, and distributed system architectures 

• Participate in system integration, hardware/software integration, and field testing activities 

• Conduct software verification, validation, debugging, and performance optimization 

• Perform software safety analyses and participate in software safety reviews for mission-critical systems 

• Ensure software compliance with Government Information Assurance (IA), cybersecurity, and system sanitization requirements for operation on classified and tactical Command and Control (C2) networks 

• Utilize AI-assisted development tools to improve productivity while critically evaluating generated code for correctness, efficiency, security, and maintainability 

• Develop and maintain software documentation, interface definitions, test procedures, and technical data packages 

• Collaborate closely with systems, electrical, optical, and controls engineering teams 

• Support Agile development activities, design reviews, and technical interchange meetings 

• Mentor junior software engineers and contribute to internal software engineering best practices 

• Support proposal development and advanced technology initiatives related to Directed Energy Systems  

• Support software deployment and accreditation activities within classified and secure operational environments 

• Develop and maintain software architectures that support secure communications, data handling, and operational security requirements 

• Participate in cybersecurity assessments, vulnerability mitigation efforts, and Authority to Operate (ATO) support activities 

• Support software sanitization, media handling, and cross-domain security requirements for government systems 

Required Qualifications 

• Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or related technical discipline 

• 8+ years of software engineering experience supporting complex technical systems 

• Strong experience developing software in C++ and C. 

• Experience developing both GUI applications and embedded real-time software 

• Experience supporting hardware/software integration and controls software development 

• Experience designing distributed or modular software architectures 

• Experience with multithreaded and real-time software systems 

• Experience conducting software safety reviews and supporting safety-critical systems 

• Familiarity with software development lifecycle processes, testing methodologies, and configuration management 

• Experience integrating software with hardware devices, sensors, or weapon system components 

• Familiarity with Linux and/or embedded operating systems 

• Ability to evaluate software quality, maintainability, security, and performance 

• Experience using modern AI-assisted software development tools and workflows 

• Experience supporting software systems operating on government Command and Control (C2) networks and classified environments 

• Familiarity with Government Information Assurance (IA) and cybersecurity requirements for weapon systems 

• Experience implementing or supporting system sanitization and secure data handling procedures 

• Understanding of secure software development practices and cybersecurity compliance requirements 

• Familiarity with RMF (Risk Management Framework), STIGs, and secure deployment processes for weapon systems 

• Experience supporting software accreditation, security reviews, or Authority to Operate (ATO) activities 

• Strong debugging, troubleshooting, and analytical problem-solving skills 

• Strong written and verbal communication skills 

• Ability to work effectively in fast-paced multidisciplinary engineering teams 

• Ability to obtain and maintain a U.S. security clearance 

Preferred Qualifications 

• Master’s degree in Electrical Engineering or related discipline 

• Active Secret or Top Secret clearance 

• Experience supporting Directed Energy, aerospace, defense, or military systems 

• Familiarity with VHDL or Verilog development for FPGA systems 

• Experience with embedded C/C++ firmware development with STM32, Zypher, and FreeRTOS 

• Experience with Python, Rust, and/or other high level languages 

• Experience with Docker containers 

• Experience with ruggedized electronics and environmental qualification testing 

• Experience with cable and harness design for aerospace or defense systems 

• Familiarity with MOSA, SOSA, or open systems architectures 

• Experience operating within SIPRNet, JWICS, or other classified government network environments 

• Familiarity with DoD cybersecurity policies and classified system handling procedures 

• Experience supporting secure tactical communications or weapon system software deployments 

• Experience supporting prototyping and low-rate production environments 

Desired Attributes 

• Strong problem-solving and analytical skills 

• Self-motivated with the ability to work independently 

• Ability to balance technical detail with program execution priorities 

• Passion for mentoring and developing junior engineers 

• Mission-focused mindset with a commitment to engineering excellence