26 principal software engineer jobs at 14 companies in Ripon, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
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Principal Software Engineer, Endpoint Platform
Milpitas or Vancouver
$240k-$250k/yr HybridFull Time
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
2+ YOEPrincipal-level systems software engineer with 2+ years principal experience; strong C++, Rust, or Go; deep OS internals and endpoint security knowledge; experience with EDR/XDR/DLP/PAM/PEDM, ETW/eBPF, AI-assisted development tools, and AI/agent architectures.
C++, Rust, Go, EDR, XDR, DLP, PAM/PEDM, ETW, eBPF, GitHub Copilot, Cursor, Claude Code, Windsurf, ChatGPT, CI/CD, MCP, LLM
1mo
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Principal Engineer, Software Development Engineering (Apps)
Milpitas, California, United States
$142k-$235k/yr HybridFull Time
Sandisk
SandiskNasdaq: SNDK: Designs and manufactures flash memory and data storage products.
7+ YOE7+ years software engineering, including architecture/leadership; strong Python; experience with AI/ML stacks; distributed systems; Kubernetes; on-prem and cloud; APIs; security.
Python, TypeScript, JavaScript, React, Go, Java, C++, LangGraph, LangChain, LlamaIndex, PyTorch, TensorFlow, Hugging Face, Kubernetes, Docker, PostgreSQL, MongoDB, Elasticsearch, Redis, Valkey, OAuth, OIDC, SSO, RBAC
1mo
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Principal Software Development Engineer - Developer Platform
Pleasanton, California, United States
$223k-$334k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
12+ YOE12+ years software engineering (including 3+ years principal/staff level), 6+ years in distributed systems, deep front-end expertise (React, HTML, CSS), API/SDK design, cloud-native and Kubernetes experience, strong communication; BS required, MS preferred.
React, HTML, CSS, Kubernetes, GCP, AWS, Azure, REST, GraphQL, OAuth 2.0, OIDC, SDK, API, GKE, LLM
2w
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Principal Software Engineer, Security
San Ramon, California, United States
$221k-$299k/yr HybridFull Time
Anaplan
Anaplan: Provider of cloud-native enterprise business planning and modeling software.
10+ YOEBachelor's in CS/Electronics or related and 10 years' related experience; expertise in authentication/authorization, distributed systems, AWS/DynamoDB, Kubernetes; technical leadership and experience supervising engineers.
DynamoDB, Amazon Web Services (AWS), Kubernetes, Kubernetes Operator
2mo
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Principal Test Framework Software Engineer
Austin or Milpitas
OnsiteFull Time
Graphcore
Graphcore: Produces specialized processors for artificial intelligence workloads.
Bachelor’s or Master’s in CS/EE or related field; proven automation/test framework experience; Python, Bash; Linux; strong problem solving and collaboration; experience with scalable automation; CI/CD experience preferred.
Python, Bash, Linux/Unix, Test frameworks, CI/CD, Git
3w
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Principal Engineer - Secure Workload Isovalent (Golang)
Milpitas or San Jose or Sunnyvale or Mountain View or San Francisco or Palo Alto
$231k-$332k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
10+ YOE10+ years building software (Go, C++, Java), 5+ years technical leadership, degree in computer science/engineering or related field, experience with scalable distributed systems, Kubernetes, cloud APIs, algorithms and performance engineering.
Go, Golang, C++, Java, Kubernetes, AWS, Azure, GCP, eBPF, Cilium
1mo
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Senior/Principal Engineer – OpenSearch
Fremont or San Francisco or United States
$170k-$220k/yr RemoteFull Time
DTEX Systems
DTEX Systems: Provides software for insider risk management and data protection.
10+ YOE10+ years software engineering experience, Bachelor's in CS or related, deep OpenSearch expertise, Python and JVM proficiency, AWS experience, large-scale cluster management, migration experience, and strong debugging and communication skills.
OpenSearch, OpenSearch 2.x, Elasticsearch 6.x, Python, JVM, AWS
1mo
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Principal AI Engineer
Santa Clara or Milpitas or Mountain View or East Foothills or Los Altos or Stanford
$176k-$293k/yr HybridFull Time
BMC Software
BMC Software: Provides enterprise software for IT management and automation.
8+ YOE8+ years building and operating production-grade software with recent depth in AI/ML; proven experience shipping agentic AI systems, evaluation/experimentation frameworks, RAG/retrieval, and cloud-native tooling (Git, Docker, Kubernetes, CI/CD, AWS/Azure/GCP).
LangGraph, Google ADK, Git, Docker, Kubernetes, CI/CD, AWS, Azure, GCP
1mo
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Principal Android Engineer
Milpitas, California, United States
$215k-$295k/yr OnsiteFull Time
Arlo
ArloNYSE: ARLO: Provide wireless smart home security cameras and monitoring services.
Expert-level Kotlin and Android framework knowledge, architecture and large-codebase leadership, testing/CI-CD and performance engineering, mentoring skills, and experience with Jetpack, coroutines, DI, media/IoT preferred.
Kotlin, coroutines, Flow, Jetpack Compose, ViewModel, Navigation, Room, WorkManager, DataStore, Media3, ExoPlayer, Gradle, Hilt, Dagger, JUnit, Turbine, Compose testing, Espresso, UI Automator, CI/CD, Android Studio profilers, Perfetto, systrace, Baseline Profiles, Macrobenchmark, WebRTC, RTSP, FCM, Keystore, EncryptedSharedPreferences
1mo
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Principal Hardware Engineer - Fluidics - Pleasanton, CA
Pleasanton or United States
$250k-$270k/yr OnsiteFull Time
Calyxo
Calyxo: Develops vacuum-assisted devices for minimally invasive kidney stone removal
15+ YOEBachelor's in engineering required, 15+ years developing fluidic/mechatronic/control systems for regulated products, expertise in fluid dynamics, closed-loop control, prototyping, embedded software (C/C++, Python), medical device standards (IEC 60601, ISO 13485).
C, C++, Python
3w
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Principal Engineer – Embedded Linux / Systems Architecture
Austin or Fremont
$130k-$227k/yr OnsiteFull Time
Enphase Energy
Enphase EnergyNASDAQ: ENPH: Manufacturer of microinverter-based solar and energy storage systems.
12+ YOEB.E. or M.S. in EE/CE/CS with 12+–15+ years embedded systems experience. Deep embedded Linux, BSP, device tree, kernel config, hardware/software co-design, SoC and driver development; C/C++/Python; CI/CD and Atlassian tooling.
Embedded Linux, BSP, device tree, kernel configuration, C, C++, Python, CI/CD, Jira, Confluence, CAN, Modbus, EtherCAT
1mo
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Principal Systems Analyst
Wilmington or Bloomington or Milpitas
$115k-$173k/yr OnsiteFull Time
Onto Innovation
Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.
5+ YOE5–7 years delivering technical solutions, automation, analytics, or software development in an enterprise setting; bachelor’s in CS/IS/Engineering/Data & Analytics; strong communication; experience architecting enterprise AI/analytics.
Python, PowerShell, Scripting
1mo
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Senior/Principal R&D Systems Engineer - Special Programs, Onsite
Livermore, California, United States
$140k-$281k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's degree + 5 years relevant experience (or equivalent); ability to obtain DOE Q-level security clearance with SCI; systems engineering, requirements, testing, IT/software architecture, and data analysis skills; ability to work onsite in Livermore, CA.
2mo
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Principal Applied AI Researcher - Domain- Specific Models (Dublin, CA)
Dublin, California, United States
OnsiteFull Time
Articul8
Articul8: Builds and deploys secure generative AI platforms for enterprises.
10+ YOEPhD or MSc in CS/ML; 10+ years AI/ML research; 4+ years building LLM-based systems; full model lifecycle leadership; strong evaluation; Python/PyTorch; scalable software engineering.
Python, PyTorch, DeepSpeed, FSDP, Megatron-LM
1w
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Senior/Principal R&D Digital Systems Security, Hybrid
Livermore, California, United States
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
5+ YOEBachelor's +5 years or equivalent experience in digital systems security, ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and programming; strong communication skills.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly