Senior Software Engineer; C++​/Java

Senior Software Engineer (C++ / Java)

Location:

Gaithersburg, MD (Hybrid)

Salary: $165,000 - $185,000 per year

We are seeking an experienced Senior Software Engineer to join a collaborative engineering team focused on designing, developing, and supporting high‑performance, mission‑critical software systems. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions. The successful candidate will bring deep expertise in C++, strong Java development experience, and a solid understanding of Linux environments, containerization technologies, automation, and database development.

• Software Development
  • Design, develop, test, and maintain scalable, high‑performance software applications using C++ and Java.
  • Participate in all phases of the software development lifecycle, including requirements analysis, design, implementation, testing, and deployment.
  • Write clean, maintainable, and efficient code that meets performance and reliability requirements.
• System Design & Architecture
  • Translate business and technical requirements into scalable software architectures and technical solutions.
  • Create and maintain technical design documentation, architecture diagrams, and implementation plans.
  • Contribute to design reviews and technical decision‑making processes.
• Automation & Configuration Management
  • Develop and maintain automation scripts and deployment workflows.
  • Utilize Python, Bash, or similar scripting languages to improve operational efficiency.
  • Support infrastructure automation and configuration management initiatives using Ansible.
• Integration & Testing
  • Plan, execute, and support integration testing efforts across complex systems.
  • Troubleshoot and resolve software and system integration issues.
  • Partner with QA and Test Engineering teams to validate functionality, performance, and reliability.
• Dev Ops & Environment Management
  • Build, deploy, and support applications in Linux‑based environments.
  • Leverage containerization technologies such as Docker and Podman.
  • Support software delivery, deployment, and release activities.
  • Utilize Git and modern development tools to support collaborative engineering efforts.
• Cross‑Functional Collaboration
  • Work closely with Systems Engineers, Software Engineers, Test Engineers, and Program teams.
  • Participate in Agile development activities, technical reviews, and planning sessions.
  • Mentor junior engineers and contribute to engineering best practices.

• Education
  • Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
• Experience
  • 10+ years of professional software engineering experience.
  • Strong hands‑on experience developing applications in C++.
  • Solid Java development experience.
  • Experience designing and supporting complex software systems.
  • Experience working in Linux‑based development environments.
  • Strong background in software integration and system‑level testing.
• Technical Skills
  • C++
  • Java
  • Python and/or Bash scripting
  • Postgre
    
    SQL; advanced SQL development and querying
  • Linux
  • Docker and/or Podman
  • Git
  • Ansible
  • VS Code or similar modern development environments
• Preferred Qualifications
  • Experience supporting mission‑critical, defense, aerospace, telecommunications, or large‑scale enterprise systems.
  • Experience with distributed systems and containerized applications.
  • Familiarity with Dev Ops methodologies and CI/CD pipelines.
  • Experience with AI‑assisted development tools such as Claude Code, Git Hub Copilot, or similar platforms.
  • Strong understanding of software architecture and systems integration.
• Key Competencies
  • Excellent problem‑solving and troubleshooting abilities.
  • Strong verbal and written communication skills.
  • Ability to collaborate effectively across engineering disciplines.
  • Strong technical documentation and design skills.
  • Ability to thrive in fast‑paced, highly technical environments.

• Hybrid work environment based in Gaithersburg, MD.
• Work on complex, technically challenging software systems.
• Collaborate with highly skilled engineering teams.
• Influen…