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75 principle developer jobs at 54 companies in Palo Alto, CA

2mo
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Principle Firmware Engineer
Santa Clara or Manchester
HybridFull Time
Brambles
BramblesAustralian Securities Exchange: BXB: Provides reusable pallets and containers for global supply chains.
8+ YOEEmbedded firmware engineer with 8-12 years of experience in C/C++, embedded systems, and IoT/LPWAN; collaboration with hardware teams.
C/C++, FreeRTOS, Zephyr, Embedded Systems
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2mo
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Principle System Integration Engineer
Fremont, California, United States
$114k-$196k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
7+ YOEB.S. or M.S. in electrical engineering, physics, optics, computer engineering; 7+ years in technical marketing, customer engineering, systems engineering, or TPM for optical transceivers or datacenter hardware; strong cross-functional leadership; 800G/1.6T experience preferred.
CMIS, telemetry, DDM, power and thermal analysis, interoperability testing
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2mo
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Principle Validation and Hardware Design Engineer
Santa Clara, California, United States
$151k-$226k/yr OnsiteFull Time
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
8+ YOE3+ Mgmt8+ years in electrical engineering or PhD with 5+ years; SERDES/high-speed validation; 3+ years as project lead; Python scripting; PCB review; lab equipment experience; strong communication and leadership.
Python, MATLAB, Oscilloscope, Function Generator, Spectrum Analyzer, BERT, PCB Design Tools
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Principle Software Engineer - Ads
San Francisco, California, United States
$269k-$395k/yr OnsiteFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
12+ YOE12+ years in distributed systems; leadership of large-scale platform initiatives; hands-on architecture decisions; ads infrastructure experience preferred.
Distributed systems, Real-time serving infrastructure, Data pipelines, Low latency systems
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4w
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Principle Equipment Engineer
San Jose or Sunnyvale
$160k-$228k/yr OnsiteFull Time
Nokia
NokiaNYSE: NOK: Sells telecommunications infrastructure and software for global network operators.
15+ YOE15+ years manufacturing equipment engineering experience; expertise in vacuum systems, RF, mechanical design, electrical troubleshooting, data collection, Visual Basic; must lift 50 lbs and follow cleanroom/hazardous materials safety.
Microsoft Office, Microsoft PowerPoint, Visual Basic, ASML TEl systems, ASML 5500 200 Steppers, Tel ACT8 Coat/develop
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3w
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Principle Engineer, 3D Construction
Sunnyvale, California, United States
HybridFull Time
Wayve
Wayve: Develops AI software for autonomous vehicle navigation.
Expertise in SLAM/3D reconstruction, lidar and point-cloud registration, pose estimation, sensor fusion, and building offline reconstruction systems; strong C++ and Python skills and cross-functional technical leadership.
C++, Python, ROS, PCL, OpenCV, CUDA
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3w
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Principle Engineer, 3D Construction
Sunnyvale, California, United States
HybridFull Time
Wayve
Wayve: Develops end-to-end artificial intelligence for autonomous driving systems.
Expertise in SLAM, 3D reconstruction, lidar/point-cloud processing, pose estimation, sensor fusion; strong C++ and Python skills; experience moving research to production and providing technical leadership.
C++, Python, ROS, PCL, OpenCV, CUDA
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3mo
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Principle Software Engineer, AI Observability & Evals Platform
Boston or San Francisco or New York City
$230k-$270k/yr OnsiteFull Time
LangChain
LangChain: Tools for building and deploying production-ready AI agents.
10+ YOE10+ years backend or full-stack engineering; strong Python/Go; TypeScript/React; architectural decisions; reliable, scalable systems; mentoring.
Python, Go, TypeScript, React
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3w
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Principle Design Engineer (ADC expertise)
San Jose, California, United States
OnsiteFull Time
Monolithic Power Systems
Monolithic Power SystemsNasdaq: MPWR: Provides energy-efficient integrated power semiconductor solutions for electronics.
Experience in high-resolution ADC circuit design, proficiency with Cadence/Mentor EDA tools, strong layout knowledge, digital integration experience, and effective written and verbal communication.
Cadence, Mentor, EDA
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2w
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Software Engineer, Communications
San Mateo, California, United States
$153k-$197k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
2+ YOE2+ years building ML systems in production, backend software development experience, Bachelor's in CS or equivalent, knowledge of high-scale system design and performance principles, strong communication and collaboration skills.
LLMs, SQL, Hive, Spark, Airflow
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1mo
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Sr Lead Software Engineer - CAFE
Houston or San Francisco or Seattle
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience with formal training; expertise in system design, application development, cloud-native principles, Ansible, Windows/Linux, SCCM, PowerShell, and enterprise automation; experience with AI-assisted development tools and technical leadership.
Ansible, Microsoft Windows, Linux, Microsoft System Center Configuration Manager (SCCM), Microsoft PowerShell, GitHub, AWS, Azure
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2mo
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Senior Software Development Engineer in Test - SDET
Santa Clara, California, United States
$140k-$270k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
5+ YOEMS/PhD or equivalent experience, 5+ years software testing, Linux proficiency, shell and Python programming, QA principles, experience with AI development tools, and strong communication and problem-solving skills.
NIM, NeMo, BioNeMo, Linux, Shell, Python, Docker, Kubernetes, OpenStack
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3w
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Principal Software Engineer
San Jose, California, United States
$231k-$332k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
12+ YOEBachelor's degree in CS/EE or related and 12+ years designing large-scale, secure distributed systems; experience with cloud/hybrid, Go/Rust/C++, security principles, and platform strategy.
Go, Rust, C++
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1mo
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Firmware Engineer
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Strong foundation in engineering principles, passion for new technologies, and ability to research, develop, and innovate firmware and product-level solutions in a rapid-development environment.
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3mo
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Senior Software Engineer, Security Platform
Bellevue or Menlo Park
$196k-$230k/yr OnsiteFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
5+ YOE5+ years backend systems, data infra, or security; proficient in Python/Go/Java; cloud (AWS, Kubernetes); distributed systems (PostgreSQL, Kafka, Spark, Snowflake); data protection principles.
Python, Go, Java, AWS, Kubernetes, PostgreSQL, Kafka, Spark, Snowflake
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2mo
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Senior Software Development Engineer in Test - SDET
Santa Clara, California, United States
$140k-$270k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
5+ YOEMS/PhD or equivalent experience; 5+ years software testing; Linux, Shell and Python skills; QA principles; experience with AI/LLM tools and automated test infrastructure.
NIM, NeMo, BioNeMo, Linux, Shell, Python, LLM, Docker, Kubernetes, OpenStack, NVIDIA GPU
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2mo
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Manufacturing Engineer V
Santa Clara, California, United States
$154k-$212k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
10+ YOEBachelor's degree and 10+ years semiconductor manufacturing engineering experience; ability to lead complex projects, apply DFx/lean principles, develop processes, and mentor junior engineers.
Design for Excellence (DFx), Lean, hand tools, power tools
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2mo
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Manufacturing Engineer V
Santa Clara, California, United States
$154k-$212k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
10+ YOEBachelor's degree and 10+ years semiconductor manufacturing engineering experience; ability to lead complex projects, apply DFx/lean principles, develop methods and test procedures, and mentor junior engineers.
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3mo
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Senior R&D Engineer
San Francisco, California, United States
OnsiteFull Time
Omen AI
Omen AI: Provides real-time fluid analysis to monitor critical infrastructure health.
Deep knowledge in applied physics, optical engineering, or physical chemistry; ECAD and MCAD proficiency (Altium and SolidWorks); prototype-driven, first-principles problem solving; spectroscopy experience preferred.
Altium, Solidworks
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3w
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Founding Engineer
San Francisco, California, United States
OnsiteFull Time
Mesh
Mesh: AI-powered governance layer for financial accounting and operations.
Experienced engineer with strong systems judgment, customer obsession, first-principles thinking, AI-native engineering, end-to-end ownership, and ability to build reliable backend and workflow systems.
Python, FastAPI, SQLAlchemy, PostgreSQL, Celery, React, TypeScript, Tailwind, Vite, Anthropic, OpenAI, AWS, ECS, RDS, S3, Lambda
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