Principal Software Engineer Jobs in San Francisco, CA
Principal Software Engineer jobs in San Francisco are in strong demand, concentrated in SoMa, the Financial District, and Mission Bay across enterprise software, fintech, AI infrastructure, and biotech. Employers hiring right now include Salesforce, Atlassian, and Okta. Scan the live roles below and apply to whichever ones fit.
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About the Role
Join the robotics team at a defense technology company developing autonomous systems to detect and counter drone threats. This is a senior, hands-on individual contributor role focused on production C++ running on physical robotic hardware.
What You'll Do
Write and own critical production C++ across the robotics software stack.
Manage timing, threading, latency, and safety contracts across perception, tracking, control, and autonomy.
Move software from prototype to reliable field use through release processes, packaging, deployment, CI/CD, quality assurance, and hardware-in-the-loop testing.
Mentor and support the growth of the robotics team while continuing to code hands-on.
Investigate and resolve issues that emerge on real hardware, including during field testing.
What We're Looking For
10 or more years of hands-on robotics software engineering experience and a record of shipping robotic systems.
Recent experience writing production C++ for physical systems, including personally implementing tracking, calibration, and sensor fusion.
Experience taking robotics software from prototype to repeatable release for field, operator, fleet, or customer use.
Broad experience across sensors, perception, tracking, control, middleware, and deployment, including ownership of timing and latency architecture across a system.
Experience with robotics CI/CD, quality assurance, hardware-in-the-loop testing, and formal release and deployment processes.
Experience mentoring or growing a team while remaining a hands-on individual contributor.
ROS or ROS 2, cameras, IMUs, encoders, gimbal systems, and defense, aerospace, or safety-critical software experience are useful.
Must be a U.S. person due to export control requirements.
Compensation & Benefits
Base salary: $235,000 to $305,000 annually. Visa sponsorship is not available.
Location
On-site in San Francisco, California, five days per week, with field test days included.
Compensation Range: $235K - $305K
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Find JobsPrincipal Software Engineer Job Market in San Francisco
Who's Hiring
Top Industries Hiring
- Technology & Software
- Biotechnology & Pharmaceuticals
- Social Media
- Manufacturing
Principal Software Engineer Jobs in San Francisco: Frequently Asked Questions
How do I get a principal software engineer job in San Francisco?
Target companies in SoMa, Mission Bay, and the Financial District, where fintech, enterprise software, and AI-focused firms concentrate most of their engineering leadership roles. Candidates who stand out typically bring a record of driving large-scale distributed systems or platform architecture decisions. Engaging with San Francisco's dense tech conference and meetup circuit helps surface roles before they're widely posted.
Which companies hire principal software engineers in San Francisco?
San Francisco principal software engineer roles are posted by Salesforce, Atlassian, and Okta and others right now, based on current listings on Migrate Mate as of November 2026. The city's employer mix skews heavily toward high-growth software companies, established fintech platforms, and AI-native startups, all of which tend to run lean senior engineering teams that rely on principals for technical direction.
Are there remote principal software engineer jobs in San Francisco?
Yes, though remote availability at the principal level depends on the company's growth stage and engineering culture. About 70% of principal software engineer openings tied to San Francisco are remote or hybrid as of November 2026, with flexibility most common at SaaS and developer-tools companies headquartered in the city. Architecture review, system design, and cross-team technical leadership work tends to be the most remote-compatible part of the role.
How can I get a principal software engineer job in San Francisco with little or no experience?
The most realistic path is moving into a senior software engineer role at a San Francisco-based startup or mid-stage company first, where scope expands quickly and principal responsibilities often emerge informally. Companies in Mission Bay's biotech corridor and SoMa's fintech cluster frequently promote from within when engineers demonstrate system-level ownership. Building a portfolio of architectural decisions, technical proposals, or open-source contributions visible to San Francisco hiring teams accelerates that progression.
Which industries hire the most principal software engineers in San Francisco?
Most principal software engineer openings in San Francisco sit in Technology & Software, Biotechnology & Pharmaceuticals, and Social Media, per current listings on Migrate Mate as of November 2026. San Francisco's concentration of fintech headquarters, AI research labs, and enterprise SaaS companies means these sectors consistently need engineering leaders who can own complex, large-scale systems end to end.
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