Principal Software Engineer

Mach
San Francisco
Workplace: OnsiteFull timeUSD 220,000 - 265,000 annuallyFunction: Software EngineeringExperience: 10+ yearsSkills: ["Technical leadership","Ownership","Strategic thinking","Mentorship","Communication"]

Lead the architecture and delivery of mission-critical software for autonomous defense platforms, spanning low-level firmware to high-level mission systems and edge computing. Drive real-time performance, reliability, security, and scalability using C++, Rust, Python, or C, while integrating tightly with embedded, GNC, and systems teams. Establish secure coding practices, DevOps/CI-CD and automated testing, troubleshoot complex system issues, and mentor engineers to deliver in fast, high-stakes environments.

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FursaFursa
Mach
Mach
2 weeks ago

Principal Software Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live
Reposted: similar role first listed 4 months ago

Job Summary

Lead the architecture and delivery of mission-critical software for autonomous defense platforms, spanning low-level firmware to high-level mission systems and edge computing. Drive real-time performance, reliability, security, and scalability using C++, Rust, Python, or C, while integrating tightly with embedded, GNC, and systems teams. Establish secure coding practices, DevOps/CI-CD and automated testing, troubleshoot complex system issues, and mentor engineers to deliver in fast, high-stakes environments.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Lead design, development, testing, and maintenance of software for autonomous defense platforms, ensuring performance, reliability, and security.
  • •Architect and implement high-performance systems across low-level firmware to high-level mission software and edge computing.
  • •Collaborate with embedded, GNC, and systems engineers to deliver hardware-software integration and system-level optimization.
  • •Drive performance optimization for real-time execution, low latency, and efficient embedded/edge resource use.
  • •Establish secure coding practices and DevOps practices (CI/CD, automated testing, infrastructure-as-code), troubleshoot complex system issues, and mentor engineers.

Pay and Benefits

Salary: USD 220,000 - 265,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVisionRetirement SavingsPaid LeaveLearning Budget

Key Requirements

  • •Expert-level proficiency in C++, Rust, Python, or C with a proven ability to design reliable code.
  • •10+ years leading and delivering large-scale projects from architecture through deployment and ongoing support.
  • •Deep expertise in real-time software development, embedded systems, performance optimization, and low-level hardware interfaces.
  • •Strong experience with RTOS, embedded platforms, and hardware-software co-design.
  • •Ability to work on-site in Huntington Beach, CA or at the office in San Francisco, CA.
Experience:10+ yearsAutonomous systemsRoboticsAerospaceDefenseEmbedded systemsReal-time systems
Skills:Technical leadershipOwnershipStrategic thinkingMentorshipCommunication
Languages:English
Tech Stack:C++RustPythonCDevOpsCI/CDInfrastructure-as-codeAutomated testingRTOSEmbedded platformsFirmwareEdge computingMicrocontrollersI2CSPICANSensor fusionState estimationGNCReal-time execution

Eligibility

Nationality:US National
Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Mach
Designs and manufactures unmanned systems, tactical engines, and decentralized defense manufacturing infrastructure (Forge) to scale production of autonomous aerial systems and related propulsion for U.S. defense customers and partners.
Industry: Defense Manufacturing
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Valuation: USD 250M to 500M
Funding: Series B
Headquarters: Huntington Beach, United States
Founded: 2023
Glassdoor
Glassdoor: 3.9
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