Principal Full Stack Engineer Jobs in California
Principal Full Stack Engineer jobs in California sit at the center of one of the most active software engineering markets in the world, with strong demand concentrated in enterprise SaaS, fintech, consumer platforms, and defense technology. The largest hiring corridors are the San Francisco Bay Area, Los Angeles, and San Diego, where employers like Google, Salesforce, and Qualcomm consistently bring on engineers at the principal level. The most sought-after specialties in California listings include distributed systems architecture, cloud-native development on AWS and GCP, and full stack leadership on React and Node.js platforms. Find a role that fits below and apply directly.
Find JobsOverview
Showing 5 of 98+ Principal Full Stack Engineer jobs
About the Role
Build product interfaces, backend systems, and internal tools for a reinforcement learning data platform. You will own experiences that help research teams and external partners create, evaluate, and improve training data, working closely with research, operations, and go-to-market teams.
What You'll Do
Develop tools for browsing environments, inspecting trajectories, reviewing task quality, and understanding model behavior.
Build partner workflows for creating, submitting, testing, and iterating on reinforcement learning environments and training data.
Create dashboards and observability tools for environment quality, evaluation results, data collection progress, and pipeline health.
Design backend services and APIs that connect task authoring, data collection, evaluation, quality assurance, and training infrastructure.
Work with cross-functional teams to turn ambiguous needs into polished products and ship improvements quickly.
What We're Looking For
At least 3 years of full-stack engineering experience building and shipping production systems, with technical field study or equivalent technical fundamentals.
Proficiency in Python and a modern web stack such as React, TypeScript, or Next.js.
Hands-on experience with AI, machine learning, or reinforcement learning, and experience owning products from design through deployment.
Experience building backend services, APIs, and databases, as well as dashboards, monitoring tools, or observability interfaces.
Comfort with cloud infrastructure, Docker, CI/CD, and production debugging.
Experience with data inspection, review, quality assessment, data collection, labeling, or evaluation tools is valuable. AWS, Kubernetes, Terraform, and Grafana experience is also useful.
Strong product judgment, independent execution, and communication across technical and non-technical teams.
Compensation & Benefits
Base salary is $130,000 to $225,000 USD annually. Visa sponsorship and relocation support are available for qualified full-time candidates moving to the United States or Singapore.
Location
On-site in San Francisco, California. Singapore-based and remote candidates with substantial overlap with San Francisco or Singapore time zones may also be considered.
Compensation Range: $130K - $225K
See All 98 Principal Full Stack Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find JobsPrincipal Full Stack Engineer Jobs by City in California
Where California roles are concentrated, by current openings.
Principal Full Stack Engineer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Science & Research
- Electronics & Hardware
- Technology & Software
- Retail
- Education
What California Employers Look For
The qualifications that appear most often in principal full stack engineer jobs across California.
- Bachelor's or master's degree in computer science, software engineering, or a related field
- Eight or more years of full stack software engineering experience across frontend and backend systems
- Demonstrated technical leadership guiding architecture decisions and engineering standards across teams
- Deep proficiency in modern JavaScript frameworks such as React or Angular alongside server-side languages
- Experience designing and operating distributed, cloud-native systems on AWS, GCP, or Azure at scale
- Strong collaboration with product and engineering leadership on roadmap, hiring, and technical strategy
Principal Full Stack Engineer Jobs in California: Frequently Asked Questions
How do you become a principal full stack engineer in California?
Reaching the principal level in California typically requires building a foundation in software engineering through a bachelor's or master's degree in computer science or a related discipline, followed by years of progressively senior individual contributor work. California has no state-issued license or certification board for software engineers, so the path runs through demonstrated technical depth, cross-functional leadership, and ownership of large-scale systems. Strong candidates in California often hold cloud certifications from AWS or Google Cloud and contribute to open-source projects or technical communities to establish credibility.
How much do principal full stack engineers make in California?
Principal full stack engineers in California earn a median of about $174,410 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $105,060 for the lowest 10% to over $272,670 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire principal full stack engineers in California?
Employers hiring principal full stack engineers in California right now include MaxIT Consulting - Max Corporate, Apple, and RNB Consultancy, based on current listings on Migrate Mate as of November 2026. California's density of enterprise software headquarters, major consumer platform companies, and defense and aerospace technology firms means principal-level openings appear across a wider range of industries here than in most other states.
Which California cities have the most principal full stack engineer jobs?
San Francisco, San Jose, and San Diego have the most principal full stack engineer openings in California. The Bay Area leads because of its extraordinary concentration of enterprise software, cloud infrastructure, and consumer platform headquarters, while Los Angeles draws demand from media technology, fintech, and aerospace software firms, and San Diego's openings are driven largely by defense technology companies and biotech platforms that rely on full stack engineering talent.
Are there remote principal full stack engineer jobs in California?
Yes, and more than most fields. Full stack engineering is among the most remote-compatible disciplines in the workforce, since the work is fundamentally computer-based and collaborative through code review and async communication. About 63% of principal full stack engineer openings tied to California are remote or hybrid as of November 2026, reflecting how normalized distributed engineering teams have become at this seniority level. Architecture, code review, and cross-team technical mentorship are the functions most commonly performed fully remotely.
How can I get hired as a principal full stack engineer in California with little or no experience?
The most realistic entry path is through a junior or mid-level software engineer role at a California company, using internal mobility to grow toward the principal track over time. Large California employers like Google, Meta, and Salesforce run structured new graduate programs and engineering rotations that give early-career engineers exposure to production systems and senior mentorship. Building a public portfolio of full stack projects, contributing to open-source repositories, and earning a cloud certification from AWS or Google Cloud can meaningfully strengthen a candidacy for associate-level roles that lead toward principal-track positions.
Where can I find and apply to principal full stack engineer jobs in California?
You can find and apply to principal full stack engineer jobs in California on Migrate Mate, which lists current California openings updated in real time. Find the roles that fit your experience and location and apply directly through the listings on this page.
See All 98 Principal Full Stack Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Jobs