Staff Software Engineer, Government Programs Remote / Telecommute Jobs

About this role

• Staff Software Engineer, Government Programs Northern VA About the role: Muon is looking for a Staff Software Engineer to join our team and help scale our core platforms.
• In this role, you'll have high-level, organizational impact designing foundational architecture, developing shared libraries and services, and developing technical strategies to ship customer-facing features with real, immediate impact.
• This role will be a technical lead, building the platforms that enable Muon's missions for our government programs.
• You'll work within a tight-knit team that values open communication, cross-functional collaboration, and moving quickly without cutting corners.
• You'll partner closely with other engineering teams to translate business needs into reliable, well-crafted solutions.
• Whether you're building something from scratch or improving what already exists, you'll have a direct hand in shaping the systems our customers depend on every day.
• This will include developing software and infrastructure in classified environments.
• Responsibilities: Design, build, and evolve high-performance systems that are scalable, resilient, and reliable in regulated environments Deploy, operate, and maintain software platforms and infrastructure into classified environments, including meeting relevant security, compliance, and accreditation requirements.
• Ensure execution across interdependent, multi-month epics and initiatives.
• Own architectural decisions that shape the long-term direction of our core systems.
• Define metrics aligned with critical company goals Identify and resolve bottlenecks, performance issues, and systemic risks in production environments.
• Partner with cross-functional teams to translate business and product needs into well-crafted technical solutions.
• Mentor teams and senior engineers, define training plans, define standards for code, testing, design and review.
• Take ownership of systems, tools and processes that have broad company impact.
• Qualifications: BS/MS in Computer Science, Engineering, or related field OR equivalent industry experience.
• 10+ years of software engineering experience, with strong proficiency in Python, C++, or Rust, in production environments.
• Technical depth in distributed systems, backend services, or platform development.
• Demonstrated experience building and operating mission-critical services with uptime, reliability, and performance requirements Knowledge of cloud-native infrastructure (e.g., containers, service orchestration, observability stacks).
• Experience mentoring engineers and leading large technical initiatives.
• Active US security clearance; TS/SCI preferred.

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