Senior Software Engineer, C++ Software Integration (R4021)

Posted 21 Days Ago
Be an Early Applicant
Washington, DC, USA
In-Office
123K-185K Annually
Senior level
Aerospace • Artificial Intelligence • Machine Learning • Robotics • Software
Our mission is to protect service members and civilians with intelligent systems.
The Role
Design, implement, and maintain C++ and Python software for cross-platform, distributed real-time systems. Contribute to system architecture, APIs/messaging (gRPC/REST/ZeroMQ), CI/CD, automated testing, and integration of third-party simulation and hardware. Debug threading/timing issues and improve development workflows.
Summary Generated by Built In
Founded in 2015, Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software and V-BAT and X-BAT aircraft. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. 

This position is ideal for a C++ generalist who thrives on tackling complex challenges in systems and systems integration. If you enjoy building cross-language software, improving CI/CD pipelines, and integrating distributed real-time systems, you’ll find this role rewarding. Join a team that’s driving innovation through robust software engineering and practical integration work across simulation environments, third-party systems, and development workflows.
 
 

What You'll Do:

  • Design, implement, and maintain C++ and Python software in support of complex, cross-platform systems.
  • Contribute to system architecture with a focus on performance, maintainability, and integration.
  • Develop and support APIs and messaging interfaces (e.g., gRPC, REST, ZeroMQ). Integrate third-party software and hardware systems, including real-time and simulation tools.
  • Debug and support distributed systems, with attention to threading, timing, and data flow.
  • Apply modern agile practices such as test-driven development, continuous integration, and automated testing.
  • Improve and maintain CI/CD workflows using tools like GitLab CI, Docker, CMake, and Conan.
  • Collaborate across teams and projects to share solutions and promote good software practices.
  • Continuously learn and adapt to new tools, standards, and technologies.
  •  

Required Qualifications:

  • Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 4 years and a Master’s degree; or 2 years with a PhD; or equivalent work experience.
  • Strong proficiency in modern C++ (C++14/17/20) with the ability to work effectively in legacy codebases (C++98/03).
  • Proficiency in Linux/Unix environments, including system-level development and debugging tools.
  • Experience with Python.
  • Professional experience in Linux environments (Windows experience is a bonus).
  • Solid understanding of system-level engineering and design patterns.
  • Experience in a collaborative environment with CI/CD and test automation.
  • Experience with containerization technologies such as Docker.
  • Active SECRET clearance.
  •  

Preferred Qualifications:

  • Experience integrating distributed simulation environments such as AFSIM or NGTS.
  • Familiarity with open standards like UCI and OMS, and an understanding of data buses and interface protocols common in avionics and aircraft systems.
  • Familiarity with simulation tools and modeling frameworks.
  • Experience with networking concepts and messaging infrastructure.
  • Hands-on experience with CMake, Conan, and GitLab CI/CD pipelines.
  • Exposure to real-time systems and hardware/software integration.

#LI-LD1
#LC

Full-time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity
 
Temporary employee offer package:
Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
 
Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.
 
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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know. 

Skills Required

  • Minimum experience: typically 5 years with Bachelor's (or 4 years + Master's, 2 years + PhD, or equivalent)
  • Strong proficiency in modern C++ (C++14/17/20) and ability to work with legacy C++98/03 codebases
  • Proficiency in Linux/Unix environments including system-level development and debugging tools
  • Experience with Python
  • Experience with CI/CD and test automation practices
  • Experience with containerization technologies (Docker)
  • Experience developing and supporting APIs and messaging interfaces (e.g., gRPC, REST, ZeroMQ)
  • Solid understanding of system-level engineering and design patterns
  • Active SECRET clearance
  • Windows experience
  • Experience integrating distributed simulation environments (AFSIM or NGTS)
  • Familiarity with UCI and OMS standards, avionics data buses, and interface protocols
  • Familiarity with simulation tools and modeling frameworks
  • Hands-on experience with CMake, Conan, and GitLab CI/CD pipelines
  • Exposure to real-time systems and hardware/software integration
  • Experience with networking concepts and messaging infrastructure

What the Team is Saying

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Shield AI Compensation & Benefits Highlights

  • Healthcare Strength Company materials describe excellent medical, dental, and vision coverage alongside a mental‑health EAP. Site perks such as an onsite gym in DC and a gym discount in San Diego support a health‑focused offering.
  • Retirement Support Careers materials highlight a 401(k) with company match as part of the standard package. A Total Rewards overview emphasizes retirement features within a broader, transparent compensation view.
  • Career-Linked Recognition & Rewards Compensation for in‑demand technical and senior go‑to‑market roles is described as competitive, with visible engineering ranges and top‑end packages. This points to meaningful upside tied to role, level, and scarce skills.

Shield AI Insights

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The Company
HQ: San Diego, CA
Year Founded: 2015

What We Do

At Shield AI, you won't wait years to see your work reach the field. You'll build hardware and software that operates in the real world right now, in the hands of the people who depend on it. Hivemind, our AI pilot, has been flying since 2018. It has flown more than 30 platforms, including an F-16, and it now sits under a U.S. Air Force production contract for Collaborative Combat Aircraft. When you write code or shape a system here, you contribute to technology with a proven flight record and a clear production future. V-BAT flies intelligence, surveillance, and reconnaissance missions with an operational record that stretches from Ukraine to the Indo-Pacific. It delivers eyes where they matter most, in the most demanding conditions on earth. The teams behind it watch their work get tested where the stakes are real. X-BAT takes its first flight this year. It's an AI-piloted fighter that needs no runway, built to operate where traditional aircraft can't. Join now and you help shape a program at its earliest, most formative stage. That's the kind of ground-floor work that defines a career. Do the most impactful work of your life, on problems that matter. Autonomy at this level asks a lot of you. You'll take on problems in perception, planning, and control that few teams anywhere are equipped to solve. You'll work across disciplines, from aerospace and robotics to machine learning and systems engineering, alongside people who hold themselves to an exacting standard and expect the same from you. Our mission is clear: protect service members and civilians with intelligent systems. That purpose runs through every decision, every design review, and every deployment. It's why the work here carries a weight you can feel. Ready to join our mission? Explore our open roles and find where you fit.

Why Work With Us

Founded in 2015 by a former Navy SEAL, Shield AI builds AI pilots and uncrewed aircraft. Veterans aren't an afterthought here, they're at every level. It's why the work carries weight: AI pilots and uncrewed aircraft flying real missions, from Ukraine to the Indo-Pacific, protecting service members and civilians.

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About our Teams

Shield AI Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
HQSan Diego, CA
United Arab Emirates
Arlington, VA
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Frisco, Texas
Ukraine
London
Melbourne, Victoria
Taiwan, Province of China
Waltham, MA
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