511 principal software engineer jobs at 167 companies in Ashland, CA
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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
3mo
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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
1mo
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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
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
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Principal Software Engineer, Prisma Access
Santa Clara, California, United States
$147k-$238k/yr OnsiteFull Time
5+ YOE5+ years of software engineering; backend systems; proficiency in Go, Python, Java, or C++; cloud experience; AI integration; distributed systems expertise.
Go, Python, Java, C++, AWS, GCP, Azure, OCI
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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
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
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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
3mo
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Principal Embedded Software Developer
Sunnyvale, California, United States
$170k-$210k/yr OnsiteFull Time
10+ YOEMinimum 10 years in networking, embedded software; BS in Computer Science or Electrical Engineering; MS preferred; strong C/C++ in Unix/Linux; experience with L2/L3 features, TCP/IP, and various ASICs; US citizenship required.
C/C++, Unix/Linux, ARM, PPC, x86, Open vSwitch, Shell, Python, Ruby
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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
22h
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Principal Software Engineer
Redmond or Mountain View
HybridFull Time
6+ YOEBachelor's degree in computer science or related field and 6+ years of technical engineering experience with coding; expertise in systems software, memory management, virtualization, and hardware/software co-design.
C, C++, C#, Java, JavaScript, Python, Windows, Azure, Virtual Machines
3mo
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Principal Software Engineer, Robot Software
Sunnyvale, California, United States
HybridFull Time
Extensive robotics middleware, real-time systems, C++ 17/20, Python; architecture of autonomous systems; leadership and mentorship; safety-focused.
ROS2, Cyber RT, Inter-process Communication, C++, Python, Distributed systems
3w
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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.
6d
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Principal Engineer, Embedded Vehicle Software
Sunnyvale, California, United States
$348k-$458k/yr HybridFull Time
15+ YOE15+ years in software and systems engineering; expertise in embedded systems, C/C++, architecture, performance optimization, and production-scale systems; experience influencing large engineering organizations.
C++, C, Python, Rust, NVIDIA Drive, Orin, DriveOS, DriveWorks, AUTOSAR, NVIDIA, Qualcomm
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 (Platform Team)
Hawthorne or Palo Alto or Redmond or Sunnyvale
$210k-$295k/yr OnsiteFull Time
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
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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Principal Software Engineer - Kernels
Santa Clara, California, United States
$200k-$300k/yr HybridFull Time
d-Matrix: Develops high-performance semiconductor chips for generative AI inference.
12+ YOEMS with 12+ years or PhD with 7+ years; strong computer architecture; C/C++ and Python in Linux; experience with GPUs/AI accelerators; ML workloads; hardware-software co-design; leadership.
C/C++, Python, Linux, CUDA, TensorFlow, PyTorch, MLIR, LLVM, TVM
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