Senior Software Engineer

Description

About the role

Muon is looking for a Senior Software Engineer to join our team and help scale our core platforms. In this role, you'll design foundational architecture, ship customer-facing features with real, immediate impact, and tackle a wide range of complex technical challenges.

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 position is hybrid and requires working on-site in our San Jose, CA office three days per week.

Responsibilities

• Design, build, and evolve high-performance systems that are scalable, resilient, and reliable.
• Work across the stack, and cross-functionally to deliver end-to-end platform capabilities.
• Contribute to architectural decisions that shape the long-term direction of our core systems.
• 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.
• Participate in code reviews, technical design discussions, and knowledge sharing across teams.
• Take ownership of features from concept through deployment and ongoing operation.

Requirements

• BS/MS in Computer Science, Engineering, or related field OR equivalent industry experience.
• 8+ years of software engineering experience, with strong proficiency in Python, C++, or Rust, in production environments.
• Experience 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).
• Strong debugging, profiling, and code optimization skills.
• Experience mentoring junior engineers or leading medium to large technical initiatives.
• Nice-to-have Skills
• Comfort working in a highly interdisciplinary environment with engineers, operators, and domain specialists.
• Familiarity with real-time data processing pipelines or high-throughput systems.
• Experience with CI/CD pipelines, infrastructure-as-code, or automated deployment workflows.
• Contributions to open-source projects or a track record of technical writing and knowledge sharing.

Conditions

The salary range for this role is $213,000 - $237,000, plus a competitive equity grant and comprehensive benefits package. Final compensation will be determined based on skills, qualifications, experience, and geographic location as assessed during the interview process.

About the company

Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale. From climate monitoring to national security, the company is dedicated to delivering Earth Intelligence for a safer and more resilient world.

Taking Care of Our Team

At Muon salary is only part of our total compensation package. In addition to salary, full-time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave.

Muon is currently registered and able to hire in the following states:

AL, AZ, CA, CO, CT, DC, FL, GA, IL, IA, ID, MD, MA, MI, MN, MO, NJ, NY, NC, OH, OR, PA, TN, TX, VT, VA, WA

ITAR/EAR Requirements

This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The Company may, for legitimate business reasons, decline to pursue any export licensing process.