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161 principle developer jobs at 111 companies in California

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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3mo
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Principle Software Engineer
Austin or Carlsbad or Chicago or Eugene or Toronto
$119k-$169k/yr HybridFull Time
Zynga
Zynga: Develops and publishes social and mobile video games globally.
8+ YOE8+ years experience in SQL, data warehousing, Python (pandas, NumPy), and data visualization tools; BS in CS/Math/Engineering or equivalent; strong data modeling, dashboards, and stakeholder communication.
Python, pandas, NumPy, SQL, data warehouses, Tableau
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1mo
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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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3mo
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Principle Engineer - Identity
San Diego, California, United States
OnsiteFull Time
ResMed
ResMedNew York Stock Exchange: RMD: Developing cloud-connected medical devices for sleep and respiratory care.
10+ YOELead design and evolution of customer identity platform; 10+ years SaaS, IAM, distributed systems, API integration, security and governance.
Unix/Linux, AWS, GCP, Kubernetes, APIs, OAuth 2.0, OpenID Connect, SAML, AI/ML tools
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1mo
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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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2mo
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Principle Manufacturing Engineer
Palo Alto, California, United States
$129k-$209k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Bachelor's in engineering or equivalent; experience in DFx/DFM, DFA, FMEA, SPC, DoE, GR&R, CpK; CAD; SMT assembly; BOM reviews; PLM (Arena/Agile); experience with OEM/JDM/ODM; strong communication and multi-project leadership.
CAD tools, PLM software, Arena, Agile, SMT assembly, BOM/EC0 management
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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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4w
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Principle Mechanical Engineer
Playa Vista or Santa Monica or Los Angeles
$210k-$235k/yr OnsiteFull Time
Outpost Space
Outpost Space: Building reusable spacecraft for precision Earth return and logistics.
8+ YOEBachelor's in Mechanical/Aerospace/Structural Engineering, 8+ years designing and analyzing full space vehicles, expert-level CAD and FEA experience, materials and manufacturing fluency, and mentorship experience.
ANSYS, FEMAP, NASTRAN, Siemens NX, SolidWorks, Python, MATLAB, CNC
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2mo
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Principle Engineer (Manufacturing); Mechanical
Mojave, California, United States
$161k-$223k/yr OnsiteFull Time
Stratolaunch
Stratolaunch: Provides air-launched hypersonic testbeds for high-speed flight testing.
20+ YOELead manufacturing engineering for electrical/mechanical systems; create work instructions; ensure producibility; liaison with electrical and avionics; manage team.
3D CAD, NX, CATIA, Solidworks, LabVIEW, Jira, MS Office, Oscilloscopes, Multimeters, Power supplies, Signal generators, Test equipment
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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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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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2mo
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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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2w
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Program Chief Engineer (Principle or Senior)
El Segundo, California, United States
$177k-$285k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures commercial airplanes, defense systems, and space technology.
10+ YOEBachelor's in engineering (or equivalent),10+ years space-systems engineering experience, program startup and baselining, risk and issue management, supplier management, RCCA, customer engagement, and leadership of multidisciplinary teams; must be a U.S. Person.
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3w
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Principle Design Verification Engineer SerDes/PHY
San Jose, California, United States
$207k-$230k/yr OnsiteFull Time
Astera Labs
Astera LabsNASDAQ: ALAB: Designs connectivity solutions for cloud and AI infrastructure.
8+ YOEBachelor's in EE/CE required, 8+ years verification experience on high-speed SerDes/PHY or mixed-signal IP, expert SystemVerilog/UVM, RNM and analog/mixed-signal co-simulation, protocol knowledge (PCIe/UALink/UCIe/Ethernet/CXL); mentoring and leadership experience.
SystemVerilog, UVM, Real Number Modeling (RNM), Palladium, Veloce, ZeBu, Python, Perl, PCIe, UALink, UCIe, Ethernet, CXL, COSMOS
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3w
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Principal Engineer Circuit Design /Senior Principle Engineer Circuit Design
Manhattan Beach or Redondo Beach
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's degree in STEM with 5+ years (or advanced degree with fewer years), experience designing and testing analog and power circuits, proficiency with PSpice/Simplis/Simetrix/LTSpice and MathCAD, knowledge of control systems, and ability to obtain Top Secret/SCI clearance.
PSpice, Simplis, Simetrix, LTSpice, MathCAD, Earned Value Management Systems
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3w
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Principal Engineer Circuit Design /Senior Principle Engineer Circuit Design
Manhattan Beach or Redondo Beach
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEBachelor's in STEM plus 5+ yrs (Principal) or 8+ yrs (Senior) engineering experience; analog/power circuit design; PSpice/Simplis/Simetrix/LTSpice and MathCAD proficiency; control systems knowledge; ability to obtain Top Secret/SSBI/SCI clearance.
PSpice, Simplis, Simetrix, LTSpice, MathCAD, Earned Value Management Systems
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1mo
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(Remote) GIS Developer
Texas or Wisconsin or Arizona or Washington or Virginia or Utah or Saskatchewan or Minnesota or Tennessee or Massachusetts or Manitoba or Pennsylvania or Oregon or Illinois or Ontario or Georgia or Florida or Alberta or North Carolina or Missouri or Colorado or California or United States or Canada
$40k-$55k/yr RemoteFull Time
Harris Computer
Harris ComputerToronto Stock Exchange: CSU: A provider of mission-critical software solutions for public sector and utilities, offering a collaborative culture and comprehensive employee benefits.
3+ YOEBachelor's in GIS/CS/Geography, 3+ years GIS development, proficiency with spatial databases (Oracle Spatial/PostGIS) and SQL, experience in C++, Python, Java or C#, familiarity with GIS principles, and passport for travel (~10%).
C++, Python, Java, C#, JavaScript, Oracle Spatial, PostGIS, SQL, Jira, GitHub, Leaflet, MapLibre, Esri ArcGIS Enterprise, Outage Management System (OMS)
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(Remote) GIS Developer
Texas or British Columbia or Wisconsin or Arizona or Washington or Virginia or Utah or Saskatchewan or Minnesota or Tennessee or Massachusetts or Manitoba or Pennsylvania or Oregon or Illinois or Ontario or Georgia or Florida or Alberta or North Carolina or Missouri or Colorado or California or United States or Canada
$40k-$55k/yr RemoteFull Time
Harris Computer
Harris Computer: Provides mission-critical vertical market software and service solutions.
3+ YOEBachelor's in GIS/CS/Geography or related; 3+ years GIS development; strong GIS principles, spatial DBs (Oracle Spatial, PostGIS) and SQL; experience with C++, Python/Java/C#; familiarity with Jira and GitHub; valid passport.
C++, Python, Java, C#, Oracle Spatial, PostGIS, SQL, Jira, GitHub, JavaScript, PHP, Leaflet, MapLibre, Esri ArcGIS Enterprise, Common Information Model (CIM)
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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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