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221 principal software engineer jobs at 107 companies in Vallejo, CA

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Principal Software Engineer
Huntington Beach or San Francisco
$220k-$265k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
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
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Principal Software Engineer, AI Onboarding
San Francisco, California, United States
$240k-$250k/yr HybridFull Time
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
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
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Principal Software Engineer, Data
Cambridge or San Francisco
$204k-$348k/yr HybridFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
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
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Principal Software Engineer
San Francisco, California, United States
RemoteFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
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
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Principal Engineer Software (Device Security)
Palo Alto, California, United States
$147k-$238k/yr HybridFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
5+ YOEBS/MS in CS/Engineering; 5-10 yrs software dev; 5+ yrs cloud (AWS/GCP/Azure); distributed systems; NodeJS/Java/Python; Linux scripting; strong communication.
NodeJS, Java, Python, Linux, AWS, GCP, Azure, MongoDB, Kafka, Redis, Spark, SQL, NoSQL
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Principal Software Engineer
South San Francisco, California, United States
$220k-$275k/yr HybridFull Time
Natera
NateraNASDAQ: NTRA: Provides clinical genetic testing and diagnostics services.
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
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
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
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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
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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.
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Principal Software Engineer
San Francisco, California, United States
OnsiteFull Time
Midjourney
Midjourney: Independent research lab developing generative AI and medical imaging technology.
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
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2mo
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Principal Software Engineer (Platform Team)
Hawthorne or Palo Alto or Redmond or Sunnyvale
$210k-$295k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
7+ YOE7+ years of experience building production platforms; or 9+ years without a degree; Bachelor's in CS/CE or other engineering.
Docker, Kubernetes, Terraform, Python, MLOps, Cloud computing, Distributed compute
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Principal Software Engineer
San Francisco, California, United States
$204k-$337k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
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
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Principal Software Engineer - Content Platform
San Mateo, California, United States
$345k-$399k/yr OnsiteFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
13+ YOE13+ years in backend distributed systems; proficient in C#, Go, Java, C++, Python; Bachelor's in CS or related engineering (Masters a plus); strong problem solving and collaboration.
C#, Go, Java, C++, Python
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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
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
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
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2d
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Principal Engineer
Pleasanton, California, United States
$257k-$322k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud-based financial close and accounting automation software.
Principal software engineering role requiring application architecture, cloud backend development, system scaling, troubleshooting, optimization, innovation, cross-team collaboration, and mentoring engineers.
cloud-based backend services
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Principal Software Engineer, Crusoe Cloud
San Francisco, California, United States
$256k-$320k/yr OnsiteFull Time
Crusoe
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable energy.
Principal-level engineer to design scalable cloud platform architecture, evaluate services/tools, write technical designs, contribute code, and mentor engineers to improve customer experience.
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Principal Software Developer
Nashville or Redwood City or Seattle or Santa Clara or Austin
$115k-$235k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
7+ YOE7+ years software engineering experience; BS/MS in Computer Science or related (or equivalent experience); strong distributed systems, microservices, OOP, production operations, mentoring and architecture experience.
Java, C++, C#, Go
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3mo
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Principal Engineer, Identity Data Security and Trust
Menlo Park, California, United States
$264k-$380k/yr OnsiteFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
12+ YOE12+ years software engineering; 5+ years as principal/architect; security, DLP, cloud infra.
Java, Go, C++, AWS, GCP, Azure, TLS, HTTP, DNS
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2d
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Principal Software Engineer - Python
Kansas City or San Francisco
$150k-$300k/yr RemoteFull Time
Veeva Systems
Veeva SystemsNYSE: VEEV: Cloud-based software solutions for the global life sciences industry.
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
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3d
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Principal Software Engineer
Palo Alto, California, United States
$300k-$600k/yr OnsiteFull Time
Matroid
Matroid: Platform for training and deploying custom computer vision detectors.
Deep expertise in computer vision/deep learning or production systems, proven production engineering experience, strong architectural judgment, ability to write production code, debug cross-system failures, and communicate technical tradeoffs.
GPU systems, distributed systems, Kubernetes, AWS, MLOps
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2w
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Principal Software Engineer (C++)
Alameda, California, United States
$180k-$230k/yr OnsiteFull Time
Boxbot
Boxbot: Automated vertical package handling and sorting for logistics facilities.
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
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