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108 principal software engineer jobs at 28 companies in Poway, CA

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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
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Principal Software Engineer, Cloud
San Diego, California, United States
$180k-$230k/yr HybridFull Time
Brain Corp
Brain Corp: Develops AI software for commercial autonomous mobile robots.
12+ YOE12+ years in software engineering/cloud architecture; proven leadership; strong Go/Python; GCP, Kubernetes, Terraform/Pulumi; distributed systems; GenAI tooling.
Go, Python, Google Cloud Platform, Kubernetes, Docker, Terraform, Pulumi, Pub/Sub, Kafka, Bazel
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2mo
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Principal Software Engineer
San Diego, California, United States
$200k-$230k/yr HybridFull Time
Firestorm Labs
Firestorm Labs: Develops and manufactures low-cost 3D-printed unmanned aerial vehicles.
10+ YOEBachelor's degree in CS/Engineering; 10+ years engineering experience; US Citizenship due to ITAR; broad full-stack and systems expertise; strong leadership in execution.
full_stack_web, cloud_infrastructure, systems_programming, integration
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4d
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Principal / Sr Principal Engineer Software
San Diego or El Segundo
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOERequires Top Secret clearance eligibility, 5+ years engineering experience (principal) or 8+ (sr principal), proficiency with Java 21+, Spring Boot, Apache NiFi, microservices, observability tools, and experience in enterprise integration and data flow technologies.
Spring Integration, Apache Camel, Java 21+, Prometheus, Grafana, Apache NiFi, AWS SDK for Java v2, Spring Boot, MongoDB, Elasticsearch, Angular, React, Vue.js, Spring WebSocket, WebSockets, SSE, Protobuf, JAXB, Jackson, JSON, JMS, ActiveMQ Classic, Resilience4j, Docker, Testcontainers, LocalStack, Project Reactor, Spring Boot Actuator, Micrometer, Avro
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2mo
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Principal Software Engineer - DevSecOps / DevOps
Melbourne or San Diego
$98k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's or higher in STEM with 5+ years in software engineering; DevSecOps; agile; Java/C++/Python; CI/CD; Git; cloud basics; DoD clearance.
Java, C++, Python, JavaScript, Git, Jenkins, GitLab, Bamboo, Jira, Kubernetes, AWS, Azure, VMware
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2mo
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Principal Systems Software Engineer
San Diego, California, United States
$258k-$275k/yr OnsiteFull Time
Foresite Labs
Foresite Labs: Incubating data-driven healthcare and life sciences companies.
15+ YOE15+ years software engineering; expert C/C++ on Linux; CUDA; GPU pipelines; distributed HPC; data pipeline design and reliability.
CUDA, Linux, Python, Perf, Nsight, ftrace
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1mo
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Principal Software Engineer
San Diego or Valencia
$107k-$203k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developer and manufacturer of innovative medical devices and therapies.
8+ YOE8+ years Android app development; 2+ years in medical devices; Kotlin/Java; AWS; IEC 62304/ISO 13485/FDA design controls; strong cross-functional collaboration.
Kotlin, Kotlin Multiplatform, Java, Android Jetpack, BLE, AWS, OAuth, Git, Jenkins, SonarQube, Atlassian Agile tools, API Gateway, Cognito, DynamoDB, S3, EC2, KMS, REST
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1w
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Principal Software Engineer
San Diego, California, United States
$190k-$210k/yr OnsiteFull Time
Mainstay Medical
Mainstay Medical: Restorative neurostimulation therapy for mechanical chronic low back pain.
15+ YOE15+ years software engineering experience with 8+ years in regulated medical devices, familiarity with IEC 62304 and FDA PMA processes, proficiency in .NET/C#/Blazor/.NET MAUI, Azure, embedded firmware, and strong cybersecurity and leadership skills.
.NET, C#, Blazor, .NET MAUI, EF Core, SQLite, Azure DevOps, Git, Figma, Claude Code, Azure, Bluetooth, gRPC
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2w
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CPU Software Architecture Principal Engineer
San Diego, California, United States
$193k-$289k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
8+ YOEBachelor's +8 yrs (or Master's +7 yrs, PhD +6 yrs) software engineering experience; 4+ yrs programming in C, C++, Java, Python; experience with embedded/firmware, ARM CPU architecture and performance optimization; strong debugging and collaboration skills.
C, C++, Java, Python, ARM assembly, Linux, zephyr RTOS, ARMv8, ARMv9, RISCV
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1mo
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Senior Principal Software Engineer
Hudson or New Hampshire or Austin or San Diego or Texas or California or United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
8+ YOEActive DoD Secret clearance and U.S. citizenship, Bachelor’s in CS/CE (or related) with 8+ years experience, embedded/application C++ development, Linux, software engineering processes, testing, and technical leadership.
C++, Linux, Git, Jira, Confluence, ClearCase, Bitbucket, Continuous Integration Tools
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3mo
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Debt Solutions - Principal Software Engineer (React/C#/AWS)
San Diego, California, United States
$211k-$297k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
10+ YOE10+ years enterprise software experience; strong architecture skills; AWS and security-minded development; full-stack with C#, JavaScript/TypeScript; React; data streaming; microservices.
AWS, C#, JavaScript/TypeScript, React, GraphQL, Terraform
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1w
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Principal Software Developer
San Diego, California, United States
$121k-$181k/yr OnsiteFull Time
Solar Turbines
Solar TurbinesNYSE: CAT: Manufacturer of industrial gas turbines and turbomachinery systems.
7+ YOE7+ years experience with C#, VB.NET, Python, TypeScript and .NET; database design with Oracle/SQL; WinForms/WinUI/XAML experience; ORM (Entity Framework,Dapper); frontend with ReactJS/Angular; degree in engineering/CS/IS.
C#, VB.NET, Python, TypeScript, .NET, Oracle, SQL, WinUI, XAML, WinForms, Entity Framework, Dapper, ReactJS, Angular
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2w
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Principal Engineer, Software (R5285)
United States or San Diego or San Francisco or Dallas or Washington
$220k-$330k/yr RemoteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
15+ YOE15+ years building large production software; strong in TypeScript/C++/Go/Python/Rust; 5+ years React/Node/TypeScript and web applications; experience with Git, Linux, Docker, CI/CD, cloud (Azure/GCP/AWS); client-side LLM context management; strong UX/design and research skills.
TypeScript, C++, Go, Python, Rust, Git, React, Node, JavaScript, Linux, Docker, CI/CD, Azure, GCP, AWS, WebGL, Playwright, Electron, DOM, WebSocket, SSE, HTTP Streaming, LLM
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1mo
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Principal Software Engineer - Mobile Development
Valencia or San Diego or San Jose
$107k-$203k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Manufacturer of interventional medical devices and technologies.
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
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2mo
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Debt Solutions - Principal Software Engineer (React/C#/AWS)
San Diego, California, United States
$211k-$297k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
10+ YOEBachelor's degree required; 10+ years building complex enterprise web applications; expertise in microservices, security, AWS, C#/Java/Python/JavaScript/TypeScript, databases, and event-driven architectures.
React, C#, Java, Python, JavaScript/TypeScript, GraphQL, Amazon Web Services (AWS), Lambda, DynamoDB, CloudWatch, CloudFormation, SNS, SQS, S3, API Gateway, Terraform, Kibana, Git, Azure DevOps, OpenID
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5d
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Principal Software Developer - Full Stack (Unity, C#)
Austin or San Mateo or Carlsbad or Chicago or Eugene or Toronto
$114k-$180k/yr OnsiteFull Time
Zynga
Zynga: Develops and publishes social and mobile video games globally.
6+ YOEB.Sc. or equivalent, 6+ years game/mobile software experience, expert C#, 3+ years Unity, shipped mobile titles, experience with performance profiling, AWS, Kubernetes, Datadog, and git.
Unity, C#, AWS, Kubernetes, Datadog, git, Claude Code
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2mo
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Principal Mobile Engineer
Carlsbad, California, United States
$160k-$180k/yr OnsiteFull Time
Nice North America
Nice North America: Manufacturer of smart home and building automation systems.
8+ YOE8+ years in mobile app development (iOS/Android) with React Native, quality code, and cross-region collaboration.
React Native, iOS, Android, AWS, Jira, Confluence, Bitbucket, Figma, Sentry, CI/CD
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2d
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Principal, Software Engineering (Adobe - Integrations & Automations)
Atlanta or Boston or Chicago or Denver or Los Angeles or New York or Salt Lake City or San Diego or Canada
$136k-$168k/yr RemoteFull Time
DEPT
DEPT: Global digital agency providing integrated technology and marketing services.
6+ YOE6+ years backend/software integration experience; expertise with REST, GraphQL, serverless, webhooks, OAuth; Adobe Workfront, Workfront Fusion, App Builder, Commerce API Mesh, and AEM experience; strong troubleshooting and consultative skills.
REST, GraphQL, OAuth, Adobe Workfront, Adobe Workfront Fusion, Adobe App Builder, Adobe Commerce API Mesh, AEM Assets, Metaview
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2w
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Principal DevSecOps Engineer
San Diego, California, United States
$155k-$200k/yr OnsiteFull Time
Fuse Integration
Fuse Integration: Developing tactical communication and networking systems for defense.
12+ YOE3+ MgmtB.S. in engineering, 12+ years DevSecOps/software engineering experience with 3+ years technical leadership; expertise in C++, Python, Bash, Kubernetes, Linux, STIG compliance, GitLab CI, Ansible, and cloud (AWS/Azure). US citizenship required.
C++, Python, Bash, Kubernetes, SELinux, SBOM, GitLab CI, Ansible, Podman, Docker, RPM, Jira, GitLab, vCenter, vSphere, ESXi, GNS3, AWS, Azure, govcloud, Kickstart, Subiquity, SAST, DAST, SCA
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5d
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Principal Systems Engineer (Console System)
Carlsbad or Arden Hills or Maple Grove
$107k-$203k/yr OnsiteFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developing and manufacturing innovative medical devices for less-invasive treatments.
7+ YOEBachelor's in engineering,7+ years engineering experience,5+ years technical leadership,systems engineering across hardware/software,experience with Class II/III medical devices,requirements and verification expertise.
Jama, DOORS, Requisite Pro, Jira, MATLAB, Python, LabVIEW, Minitab
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1mo
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Sr. Staff/Principal Engineer — GPU Driver & Systems Software
San Diego or San Jose
$179k-$286k/yr OnsiteFull Time
MediaTek
MediaTekTaiwan Stock Exchange: 2454: Designs and develops system-on-chip solutions for electronic devices.
10+ YOE10+ years building GPU drivers or low-level systems software; fluent C/C++; deep knowledge of Vulkan/DirectX/OpenCL/OpenGL ES and GPU internals; experience with kernel-mode drivers, firmware, performance optimization.
C, C++, Vulkan, DirectX, OpenGL ES, OpenCL
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