510 principal engineer software development jobs at 149 companies in Los Gatos, CA
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Principal Software Development Engineer
Seattle or Santa Clara or Austin or United States
$100k-$235k/yr OnsiteAll Commitments Available
10+ YOE10+ years in software engineering; leadership in design/architecture; distributed systems and security services; Linux/Unix knowledge; microservices; databases.
Linux, Unix, Distributed Systems, Security, KMS, HSMs
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Principal Software Development Engineer
Sunnyvale, California, United States
$175k-$245k/yr OnsiteFull Time
8+ YOE8+ years of relevant experience; BS or MS; Linux kernel expertise; programming in C, Bash, Python, and Go; knowledge of virtualization/container/cloud tech; US citizenship required.
Linux kernel, C, Bash, Python, Go, Virtualization, Containerization, Cloud computing
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Principal Software Engineer - Mobile Development
Valencia or San Diego or San Jose
$107k-$203k/yr HybridFull Time
8+ YOEBachelor's degree in CS/Software Engineering, 8+ years Android mobile development (≥2 years medical device apps), 3+ years AWS experience, expertise with Kotlin/Java/Android Jetpack, BLE and secure protocols, knowledge of medical device software standards.
Kotlin, Kotlin Multiplatform, Java, Android Jetpack, MVVM, Rx, XML data binding, Bluetooth Low Energy (BLE), AWS KMS, AWS S3, AWS DynamoDB, AWS Cognito, API Gateway, AWS EC2, AWS CloudWatch, Jenkins, Git, SonarQube, Atlassian Agile tools, TensorFlow, Pandas, NumPy, R, HTTPS, OAuth
2mo
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Principal Software Development Engineer
San Jose, California, United States
$186k-$265k/yr HybridFull Time
12+ YOE12+ years backend engineering experience building scalable microservices in Go; experience with event-driven architectures (Kafka), MySQL/ElasticSearch/Neo4J, Kubernetes/EKS, operational ownership, and observability.
EKS, GoLang, Kafka, MQTT, RDS MySQL, Neo4J, ElasticSearch, Kubernetes, MySQL
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Principal Software Engineer
Santa Clara or San Jose
$126k-$205k/yr OnsiteFull Time
7+ YOEBS/MS in CS/Engineering; 7+ years; hands-on software engineer; Python and Go; microservices; cloud platforms; distributed systems; Docker/Kubernetes; SQL/NoSQL; messaging systems; automation and test.
Python, Go, Docker, Kubernetes, GCP, AWS, Azure, SQL, NoSQL, Redis, BigQuery, RabbitMQ, Kafka, Terraform, Ansible, CI/CD, REST API
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Principal Software Engineer
Santa Clara, California, United States
$200k-$220k/yr OnsiteFull Time
20+ YOEBachelor’s in software engineering or computer science; 20+ years in machine control/automation; industrial protocol experience; C# for hardware control; industrial automation hardware; motion control knowledge.
C#, WPF, SECS/GEM, TCP/IP, EtherCAT, Modbus, Ethernet/IP, RS232/RS485
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Principal Engineer, Software Development Engineering (Apps)
Milpitas, California, United States
$142k-$235k/yr HybridFull Time
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
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Principal Software Development Engineer in Test
San Francisco or Milpitas
$160k-$170k/yr OnsiteFull Time
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
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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
2w
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(USA) Principal, Software Engineer
Sunnyvale, California, United States
$143k-$286k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5 years' software engineering experience, or 7 years' experience. Requires distributed systems, cloud-native architecture, AI/ML, CI/CD, testing, observability, and technical leadership.
AI/ML, CI/CD
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Principal, Software Engineer
Sunnyvale or Bellevue
$132k-$286k/yr OnsiteFull Time
5+ YOEPrincipal-level software engineer with 10+ years building large-scale, distributed, cloud-native systems; expertise in microservices, event-driven architectures, Java and modern web frameworks (React/Redux); strong architecture and cross-team leadership.
Java, React, Redux
1mo
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Principal Software Engineer
Santa Clara, California, United States
$221k-$387k/yr OnsiteFull Time
15+ YOE15+ years engineering experience; strong system design and architecture for large-scale distributed systems; technical depth in Java or Python; experience with AI-powered products, observability, and enterprise platforms; mentoring and cross-team influence.
Java, Python, ServiceNow Platform
19h
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Network Infrastructure Software Development- Principal Engineer
San Jose, California, United States
$200k-$225k/yr OnsiteFull Time
15+ YOEBS, MS, or PhD in computer engineering or computer science; 15+ years of hands-on development; expert C/C++/Go/Python and AI tool use; Linux, networking, cloud, containers, Kubernetes, Docker, KVM, Terraform, or Helm experience.
C, C++, Go, Python, Linux, TCP/IP, BGP, OSPF, ISIS, IPSEC, TLS, MACsec, Kubernetes, Docker, KVM, AWS, Azure, GCP, OCI, Terraform, Helm, AI tools
2mo
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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
1mo
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Principal Software Development Engineer Person & Trust Platform
Mountain View, California, United States
$243k-$307k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, deep expertise in data modeling and graph structures, API and data contract ownership, ability to set technical strategy; Bachelor’s in Computer Science or equivalent.
GCP, AWS, Azure, NIST 800-63, Verifiable Credentials, Decentralized Identifiers, OIDC
1mo
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Principal Software Development Engineer, Graph
San Francisco or San Jose
$190k-$361k/yr OnsiteFull Time
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
2w
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Principal Software Development Engineer - AI/ML
San Jose, California, United States
$210k-$360k/yr OnsiteFull Time
Bachelor's or master's degree in a relevant engineering or computer science field, strong C++ and GPU programming skills, compiler experience with MLIR or LLVM, Linux, Git, and performance optimization expertise.
C++, HIP, CUDA, Triton, MLIR, LLVM, ROCm, ONNX Runtime, Linux, Git
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
1w
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Staff / Principal Software Engineer
Palo Alto, California, United States
$250k-$350k/yr OnsiteFull Time
8+ YOERequires typically 8+ years of software engineering experience, Staff or Principal-level expertise, production web services, scalable APIs, distributed systems, AI/LLM/ML integration, and strong technical leadership.
APIs, LLMs
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
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.