131 principal software engineer jobs at 80 companies in Cotati, CA
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Principal Software Engineer
Huntington Beach or San Francisco
$220k-$265k/yr OnsiteFull Time
10+ YOE10+ years leading large-scale software projects; expert in C++, Rust, Python or C; real-time/embedded systems experience.
C++, Rust, Python, C, RTOS, embedded systems
3mo
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Principal Software Engineer, AI Onboarding
San Francisco, California, United States
$240k-$250k/yr HybridFull Time
10+ YOE10+ years software engineering; expert in Java, Spring, REST, microservices; strong AI tooling knowledge; cloud, security, and containerization savvy.
Java, Spring Framework, REST, Microservices, AWS, Azure, Google Cloud, Docker, Kubernetes, SQL, ElasticSearch, Redis, CI/CD, Kafka, Git, GitHub, GitLab, Maven, Ant, IntelliJ, Eclipse, Q, Github Copilot, Cursor
2mo
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Principal Software Engineer, Data
Cambridge or San Francisco
$204k-$348k/yr HybridFull Time
8+ YOE8-15 years of backend-focused engineering; full stack experience; AWS, Kubernetes; API design; data pipelines; Python; collaboration with scientists and engineers.
React, TypeScript, Nx, Tailwind, FastAPI, SQL/NoSQL, Python, Pydantic, SQLAlchemy, SQLModel, Django, Airflow, Prefect, Temporal, Dagster, pandas, numpy, scipy, jax, pytorch, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions
2mo
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Principal Software Engineer
San Francisco, California, United States
RemoteFull Time
15+ YOE15+ years in distributed systems/infra; Go or Python; Kubernetes and Terraform; incident commander; cloud migrations; OpenTelemetry; Azure/AKS; on-call leadership.
Go, Python, Kubernetes, Terraform, AKS, Azure DevOps, GitHub Actions, OpenTelemetry
1mo
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Principal Software Engineer
South San Francisco, California, United States
$220k-$275k/yr HybridFull Time
10+ YOE10+ years software engineering experience; production cloud infrastructure (AWS preferred), Kubernetes, Terraform, Python/Go/Java; experience designing platforms, mentoring engineers, and shipping production software.
Claude Code, Cursor, AWS, GCP, Azure, Kubernetes, Terraform, Python, Go, Java, Groovy, Helm, Nextflow, WDL, Django, React, Airflow, Argo, Temporal, Dagster, LIMS, MCP servers
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Principal Software Engineer, Platform Security
San Francisco, California, United States
$197k-$314k/yr HybridFull Time
10+ YOE10+ years in software development; strong in databases, APIs, data pipelines; experience with large projects and security infrastructure.
API development, REST APIs, SDLC, AWS, GCP, Azure, Python, Ruby, Unix/Linux, Security infrastructure
2w
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Principal Software Engineer
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$235k-$414k/yr OnsiteFull Time
10+ YOE10+ years software development experience, technical leadership experience, BS in a technical field (or equivalent), experience architecting distributed systems, strong software design and debugging skills, proficiency using AI tools and modern engineering workflows.
1mo
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Principal Software Engineer
San Francisco, California, United States
OnsiteFull Time
Deep software architecture and technical leadership for complex distributed systems; strong Python and concurrency experience (asyncio, multiprocessing); observability, testing, and performance engineering skills.
Python, asyncio, multiprocessing, profiling, gRPC, protobuf, CI
2mo
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Principal Software Engineer
San Francisco, California, United States
$204k-$337k/yr OnsiteFull Time
Bachelor’s or Master’s in CS/Engineering, extensive software engineering and platform architecture experience, strong Java/JVM and Spring skills, REST/microservices, cloud-native (AWS/Kubernetes), distributed systems (Hadoop/Spark/Kafka), CI/CD and leadership skills.
Java, JVM, Spring Boot, Spring MVC, Spring Security, Spring Cloud, RESTful web services, PostgreSQL, NoSQL, React, JavaScript, TypeScript, HTML, CSS, Hadoop, Spark, Kafka, AWS, PCF, Kubernetes, Docker, CI/CD, Jenkins, Git, Maven, Gradle, SonarQube
3w
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Principal Research Software Engineer
San Francisco or United States
RemotePart Time
10+ YOE10+ years experience leading technical strategy for research software and data platforms; expert Python and SQL; experience with AI, data architecture, secure/regulated health data, and multi-institutional collaborations.
Python, SQL, PostgreSQL, MySQL, Parquet, DuckDB, Linux, Git, CI/CD
2mo
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Sr. Principal Software Engineer (NetSec-PanOS Dev)
San Francisco or Santa Clara or San Jose
$170k-$277k/yr OnsiteFull Time
15+ YOE15+ years software engineering; Go/Java; cloud/distributed systems; REST APIs; databases; AWS/GCP; containerization (Docker/Kubernetes).
Go, Java, Python, C, Kafka, PubSub, Redis, SQL, BigQuery, MongoDB, Docker, Kubernetes, GCP, AWS, REST APIs, Serverless
1mo
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Principal Software Engineer
United States or Canada or Columbus or Austin or San Francisco or New York City
$191k-$264k/yr RemoteFull Time
8+ YOEBachelor's or equivalent and 8+ years software engineering experience; designing and operating large-scale distributed systems, relational schemas, APIs, auth/RBAC; partnering with risk/compliance/operations teams.
TypeScript, Node.js, Next.js, Prisma, SOC 2, NIST CSF
1mo
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Principal Software Engineer, Crusoe Cloud
San Francisco, California, United States
$256k-$320k/yr OnsiteFull Time
Principal-level engineer to design scalable cloud platform architecture, evaluate services/tools, write technical designs, contribute code, and mentor engineers to improve customer experience.
4d
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Principal Software Engineer - Python
Kansas City or San Francisco
$150k-$300k/yr RemoteFull Time
12+ YOE12+ years software development experience, production Python required, enterprise SaaS and scalability expertise, experience mentoring engineers, strong communication, unrestricted US work authorization.
Python, Git, FastAPI, Pydantic
2w
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Principal Software Engineer (C++)
Alameda, California, United States
$180k-$230k/yr OnsiteFull Time
8+ YOE8+ years professional software engineering with deep C++ expertise, experience building real-time or near-real-time systems, multi-threaded programming, hardware interfaces, Linux, strong debugging and architecture skills.
C++, Linux, PLCs
2mo
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Principal Software Engineer - AWS
Chicago or Scottsdale or San Francisco or New York City or Phoenix
$173k-$276k/yr HybridFull Time
15+ YOE15+ years software engineering experience with 8+ years in FinTech; hands-on full‑stack design and architecture, cloud/containerization, CI/CD, test automation, Java/J2EE/Spring, messaging, Oracle PL/SQL, Git, and strong communication.
Java, J2EE, JUnit, Tomcat, Spring Boot, Spring Core, Kafka, Tibco EMS, JMS, Oracle PL/SQL, JavaScript, jQuery, AngularJS, Git, Chef, Maven, Jenkins, AWS, Google Cloud, Microsoft Azure, SVN, Jira, Bugzilla, Confluence, Splunk, Altiris, Zabbix, Terraform, AppDynamics, C#, Ruby, Python, PHP, Kubernetes
1mo
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Principal Software Engineer
San Francisco or Morrisville or Zurich or Bengaluru or Beijing
$206k-$277k/yr HybridFull Time
10+ YOE10+ years experience in video codecs/media processing, degree in EE/Computer Engineering/CS, deep expertise in AV1/AV2/AVC/HEVC/VVC, strong algorithms and ML/AI for video, proven IP generation, multimedia stack experience.
AV1, AV2, AVC, HEVC, VVC, C/C++, Python, GStreamer, Docker, XML, JSON, Git, GitHub, REST
4d
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Principal Engineer
San Francisco or Charlotte
$159k-$305k/yr HybridFull Time
7+ YOERequires 7+ years of engineering and software, platform, SRE, or distributed systems experience, with expertise in resilient scalable platforms, cloud technologies, Kubernetes/OpenShift, observability, automation, and technical leadership.
Kubernetes, OpenShift, GitHub Copilot, AIOps, Zelle, ACH, RTP, FedNow, CI/CD
2mo
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Principal Software Engineer - Ad Experiences
Glendale or Santa Monica or Seattle or New York City or Los Angeles or San Francisco
$188k-$253k/yr HybridFull Time
10+ YOE10+ years software engineering experience, BS/MS in CS/Engineering or equivalent, advanced Java proficiency, distributed systems design, SpringBoot, cloud (AWS), databases (DynamoDB, Redis), Kafka/Kinesis, observability, mentoring and on-call availability.
Java, SpringBoot, DynamoDB, Redis, MemCache, Apache Kafka, Kinesis, AWS, Terraform, Docker, Kubernetes
2mo
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Principal Engineer
San Francisco or New York City or United States
$148k-$210k/yr RemoteFull Time
8+ YOE8+ years software engineering experience; deep full‑stack experience with Ruby on Rails and frontend React; Node.js/JavaScript/TypeScript, AWS, MySQL, Elasticsearch, Redis, Resque; strong CS fundamentals, architecture, mentorship, and cross‑functional communication.
Ruby on Rails, React, Node.js, JavaScript, TypeScript, AWS, MySQL, Elasticsearch, Redis, Resque, Go, Python, Java
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