131 principal engineer software development jobs at 78 companies in Vacaville, CA

3d
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Principal Engineer Software
McClellan, California, United States
$114k-$171k/yr OnsitePart Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor’s degree in STEM with 5 years’ related experience or master’s with 3 years; US citizenship; ability to obtain Top Secret clearance; software development, Agile, Scrum, and testing experience.
Agile, Git, GitLab, Bitbucket, Scrum, C++, C, Python, Java, Docker, Atlassian, JIRA, Jenkins, Confluence, Linux Bash, Linux, UNIX, DevOps, DevSecOps, CI/CD
3mo
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Principal Software Development Engineer in Test
San Francisco or Milpitas
$160k-$170k/yr OnsiteFull Time
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
9+ YOE3+ Mgmt9+ years in Software QE with 3+ years leading QE teams; strong leadership, API testing, and CI/CD experience; Bachelor's in CS or related field.
Jenkins, Docker, Kubernetes, Git, Sonar, Automation frameworks
3mo
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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
2mo
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Software Engineer/Principal Software Engineer
McClellan Park, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEUS citizen able to obtain Top Secret clearance. Bachelor's in STEM with 2+ years (or Master's with 0) for Software Engineer; or Bachelor's with 5+ years (or Master's with 3+) for Principal. Experience with Agile, Git/GitLab/Bitbucket, C/C++, Python, Java, Docker; software test planning and execution experience preferred.
Agile, Git, GitLab, Bitbucket, C/C++, Python, Java, Docker, Kubernetes, Atlassian, JIRA, Jenkins, Confluence, Linux Bash
2mo
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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
1mo
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Principal Software Development Engineer, Graph
San Francisco or San Jose
$190k-$361k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
10+ YOE10+ years building complex frontend web applications; BS/MS in Computer Science or related; deep web components experience (Shadow DOM,LIT); strong frontend architecture, mentoring, and system design skills.
Shadow DOM, LIT, Web Components
2mo
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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
1mo
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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.
3w
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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
5d
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Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
Liberty Mutual
Liberty Mutual: Provides diversified property, casualty, and commercial insurance products.
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
1mo
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Principal Research Software Engineer
San Francisco or United States
RemotePart Time
UCSF Health
UCSF Health: Academic medical center providing advanced patient care and research.
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
1mo
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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
3mo
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Sr. Principal Software Engineer (NetSec-PanOS Dev)
San Francisco or Santa Clara or San Jose
$170k-$277k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
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
2w
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Principal Software Engineer
San Francisco or Atlanta
$220k-$280k/yr HybridFull Time
Coworker
Coworker: Builds autonomous AI agents that execute complex enterprise workflows
10+ YOE10+ years of software development experience; bachelor's or master's degree preferred in computer science; expertise in two technical domains; experience with scalable production systems, architecture, and technical leadership.
GoLang, TypeScript, Python, AI/ML, Apple products
2mo
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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
1d
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Principal, Software Engineer
Bentonville or Arkansas or San Francisco or New York City or New Jersey or United States
$110k-$220k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Operates a chain of hypermarkets, discount stores, and grocery stores.
5+ YOEBachelor's degree plus 5 years or 7 years of software engineering experience; expertise in JavaScript/TypeScript, frontend frameworks, APIs, distributed systems, cloud platforms, testing, and technical leadership.
JavaScript, TypeScript, React, Vue, Angular, React Router, Redux, Node.js, GraphQL (GQL), Azure, Google Cloud Platform, Selenium, Microsoft Azure, CI/CD, Software Development Life Cycle (SDLC), Web Content Accessibility Guidelines (WCAG)
2mo
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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
2mo
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Principal Software Engineer (Auth0)
Bellevue or Chicago or New York City or San Francisco or Washington
$244k-$376k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
10+ YOE10+ years software development, 4+ years identity/cloud experience, 3+ years developer tooling experience; strong systems design, communication, and rapid learning skills.
Auth0, Auth0 FGA, Model Context Protocol (MCP), A2A, SDKs, Python
2mo
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Principal Software Engineer
Folsom, California, United States
$165k-$227k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
14+ YOEB.S. in CS/CE plus ~14+ years experience; expertise in C/C++, Linux, embedded systems; software design/architecture, project leadership, Agile, DevSecOps, Bash/Python scripting, Yocto, and customer communication.
C/C++, Linux, Embedded Systems, I2C, SPI, Xilinx/AMD SOCs, BASH, Python, Yocto, Mongo, Containerization, virtual machines, DevSecOps, AI tools
1w
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Principal Software Engineer
Redmond or Austin or Mountain View or San Francisco or New York City
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
6+ YOEBachelor's degree in computer science or related technical field and 6+ years of coding experience. Requires C/C++ development, Windows systems knowledge, hardware debugging, automation, and cross-functional collaboration.
C, C++, C#, Java, JavaScript, Python, Microsoft Windows, Linux, PCIe, NVMe, USB, I2C, SPI, UART, GPIO, Plug and Play, JTAG, Scrum