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168 principal engineer software development jobs at 59 companies in Alhambra, CA

3mo
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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: Global medical technology leader providing innovative solutions for patients.
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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Principal Software Engineer
Huntington Beach or San Francisco
$220k-$265k/yr OnsiteFull Time
Mach Industries
Mach Industries: Private defense manufacturer developing unmanned aerospace systems and production infrastructure for military customers.
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
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Principal Software Engineer
San Diego or Valencia
$107k-$203k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Global medical technology leader providing innovative solutions for patients.
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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3d
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Senior Principal Engineer – Software Development (Medical Devices)
Irvine, California, United States
$125k-$206k/yr OnsiteFull Time
BD
BDNYSE: BDX: Global medical technology advancing the world of health.
10+ YOEBachelor’s degree and 10+ years of software development experience required; expertise in C#, C/C++, real-time signal processing, system integration, and regulated product development.
C#, C, C++, Windows, Linux, Python, MATLAB, Azure DevOps, Pipelines, Visual Studio, PyCharm, Git, CI/CD
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Principal / Sr Principal Engineer Software
San Diego or El Segundo
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
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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2w
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Principal Software Engineer
Irvine, California, United States
$118k-$218k/yr OnsiteFull Time
Cadence Design Systems
Cadence Design SystemsNASDAQ: CDNS: Computational software provider for electronic design and system development.
PhD in a related engineering field plus expertise in nonlinear mechanics, finite element analysis, numerical methods, and software development using Fortran, C/C++, Python, Linux shell scripting, and commercial FEA software.
MSC Nastran, Marc, Microsoft Word, Microsoft Excel, Fortran, C, C++, Python, Linux
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1mo
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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
Snap Inc.
Snap Inc.NYSE: SNAP: Technology focused on augmented reality and communication.
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.
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1w
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Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
Liberty Mutual
Liberty Mutual: Diversified global insurer providing property, casualty, and life coverage.
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
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3mo
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Principal Software Development Engineer in Test
New York or Glendale
$172k-$241k/yr HybridFull Time
Disney Entertainment
Disney EntertainmentNYSE: DIS: Entertainment is a media division producing and distributing film, television, streaming, and games for global audiences.
10+ YOE10+ years in quality engineering or software development; leadership; experience scaling test automation.
Python, OO languages, Test automation, Cloud-native testing
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Principal Embedded Software Engineer
El Segundo, California, United States
$201k-$314k/yr OnsiteFull Time
Radiant
Radiant: Nuclear-energy startup developing portable, mass-produced microreactors for defense, remote industry, and critical infrastructure.
8+ YOELead embedded software architecture for I&C systems; 8+ years; onsite in El Segundo; RTOS experience; C/C++.
Zephyr RTOS, NuttX, ThreadX, Embedded C, C++, CMake, Simulink Autocode C++ export
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1w
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Principal Software Developer
Santa Ana, California, United States
$170k-$180k/yr HybridFull Time
HomeXpress Mortgage
HomeXpress Mortgage: HomeXpress Mortgage is a private wholesale lender serving brokers with Non-QM, investor, Agency, and jumbo mortgages.
7+ YOERequires 7+ years of software development, 5+ years with C#/.NET and PHP, enterprise applications and APIs, Agile/Scrum, DevOps, CI/CD, troubleshooting, and a relevant bachelor's degree.
C#, .NET, PHP, Azure, DevOps, CI/CD, Agile, Scrum, SOA, Microsoft
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1mo
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Principal, Software Engineer
Lake Forest, California, United States
$128k-$166k/yr OnsiteFull Time
Alcon
AlconNYSE / SIX Swiss Exchange: ALC: Global leader in eye care.
5+ YOE5+ years relevant experience, Bachelor’s degree or equivalent, fluent English, C++/C# development, RTOS and Windows experience, familiarity with medical device software lifecycle and regulations.
C++, C#, MATLAB, LabVIEW, Microsoft Word, Microsoft Excel, Microsoft Visio, Microsoft Visual Studio, AWS DevOps, Jira, Git, ADO, GitHub, TFS
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3mo
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Principal Software Engineer (Platform Team)
Hawthorne or Palo Alto or Redmond or Sunnyvale
$210k-$295k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
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
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1w
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Principal Software Engineer
Costa Mesa, California, United States
$165k-$283k/yr RemoteFull Time
Siemens
SiemensXetra: SIE: Global technology specializing in industry, infrastructure, transport, and healthcare.
10+ YOE10+ years of software development experience; distributed systems and real-time applications expertise; technical strategy and architecture leadership; backend language proficiency; system design, optimization, and fault-tolerance skills.
Python, Go, TypeScript, PyTorch, Hugging Face, ONNX Runtime, LangChain, AWS, Kubernetes, Redis, PostgreSQL, Amazon S3, Terraform, GitHub Actions, Datadog, Grafana, Prometheus
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1mo
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Principal Software Engineer
Canada or El Segundo
RemoteFull Time
NEOGOV
NEOGOV: Public-sector SaaS provider of human-capital and compliance software for government, public-safety, and education organizations.
10+ YOE10+ years software engineering experience, staff-level technical leadership, proficiency with .NET, SQL/SQL Server, and Angular; experience with CI/CD, TDD, observability, and Git; Bachelor's or equivalent.
SQL, SQL Server, .NET, Angular, Git, SonarQube, Mend, CI/CD, TDD
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5d
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Principal Software Engineer
El Segundo, California, United States
$150k-$190k/yr HybridFull Time
KBR
KBRNYSE: KBR: Provider of science, technology, and engineering solutions.
10+ YOEBachelor's degree and 10+ years of software development experience. Requires distributed systems, full-stack, Angular, backend APIs, Kafka, event-driven architecture, Agile, DevSecOps, CI/CD, and ability to obtain a DoD Secret clearance.
Angular, Kafka, Kubernetes, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Kafka Streams, Apache Flink, RabbitMQ, NATS, OpenTelemetry, Prometheus, Grafana, ELK, CI/CD
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3w
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Principal Software Engineer
Woodland Hills, California, United States
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
5+ YOEBachelor's in STEM with 5+ years, master's with 3+ years, or PhD with 1+ year; active Top Secret clearance; software experience in C, C++, C#, Java, JSP, web development, CI/CD, Linux, and Windows Server.
C, C++, C#, Java, Java Server Pages (JSP), DevSecOps, Agile, Windows Server, Linux, CI/CD, Git, Docker, Kubernetes, Scrum, MLOps
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23h
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Principal Software Engineer (Autonomy)
Fort Worth or Palmdale or Atlanta or Denver or Huntsville
$160k-$200k/yr OnsiteFull Time
Thompson Software Solutions
Thompson Software Solutions: Private aerospace and defense software engineering consultancy developing safety-critical avionics, mission, cybersecurity, and open-architecture systems.
8+ YOEBachelor's degree in computer engineering, computer science, or related field; 8+ years of software development with embedded systems; C, C++, Java, Python, Bash, Git, Linux, and Windows; Secret clearance eligibility.
C, C++, Java, Python, Bash, ArduPilot, PX4, Git, Linux, Windows, Atlassian Tools, Confluence, JIRA, Bitbucket, MAVLink, Docker, CI/CD, Electronic Medical Records (EMR)
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3mo
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Principal Software Engineer, AI Enablement - Central Product
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
Riot Games
Riot Games: Developer and publisher of video games and esports.
8+ YOEBS in Computer Science (or equivalent) with 8-12 years of software engineering; strong systems integration and technical leadership; expert in C++ and another language (Python or C#); experience with AAA games or large-scale live services; AI tooling experience.
C++, Python, C#, Unreal Engine, ML frameworks (e.g., PyTorch, TensorFlow), AI tools and APIs
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1w
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Principal Software Engineer, Connectivity
Brea, California, United States
$165k-$187k/yr HybridFull Time
RAVE Aerospace
RAVE Aerospace: Private U.S. aerospace technology providing in-flight entertainment and connectivity systems for airlines and aircraft manufacturers.
15+ YOE10+ MgmtBachelor’s degree or equivalent practical experience; 15+ years developing software, 10+ years managing software projects, embedded/networked systems experience, technical leadership, and cross-functional collaboration.
C, C++, Python, JavaScript, HTML, Go
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