4 principal software engineer jobs at 2 companies in Lompoc, 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
1mo
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Principal Software Test Engineer, Onsite
Goleta, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOELead software testing, design test configurations, manage budget/schedule, onsite Goleta role; must obtain/maintain Secret DoD clearance; 8+ years in STEM; team leadership
Jenkins, Jira, DevSecOps, Test Automation
1mo
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Principal Software Engineer, Real-time Embedded, Onsite
Goleta, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOE8+ years in software design/development with embedded real-time systems; C/C++ experience; embedded processors, FPGA, SOC, and real-time firmware; eligibility for a DoD secret clearance.
C, C++, Embedded Linux, bare metal, DDR, VME, PCIe, SOC, FPGAs, Signal Analysis, Lab Equipment, Visual Studio, Vitis, TortoiseSVN, Jenkins, Jira, Collaborator, MATLAB/Simulink, WPF, MVVM, .NET C#
1mo
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Senior Principal Embedded Software Engineer
Goleta, California, United States
$146k-$277k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
10+ YOEBachelor's in STEM and 10+ years' experience; expertise in C/C++ and Ada; embedded processors, FPGAs, signal analysis; technical/project lead experience; ability to obtain and maintain Secret security clearance; U.S. citizenship required.
C, C++, Ada, Visual Studio, Vitis, Git, Jira, Collaborator, Linux, Windows
2mo
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Principal Machine Learning Engineer
Santa Barbara or San Diego or Denver
$264k-$330k/yr HybridFull Time
AppFolio
AppFolioNASDAQ: APPF: Provides cloud-based property and investment management software.
10+ YOESenior ML/AI leader with 10+ years building production ML systems; deep learning and traditional ML expertise; strong software delivery.
Python, PyTorch, NumPy, AWS, Docker, SQL, Embeddings, RAG, LangChain, LangGraph, LangSmith, Copilot