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139 sr principal software engineer jobs at 43 companies in Camarillo, CA

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Principal / Sr. Principal Software Engineer - Software Assurance
El Segundo, California, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEUS citizenship and ability to obtain SAP clearance, STEM degree, 5+ years engineering experience (Principal) or higher for Sr. Principal; experience with Java/JavaScript/C++/C#/Python/Swift, Git-family SCM, and software development lifecycle required.
Java, JavaScript, C++, C#, Python, Swift, Git, GitLab, GitHub, Bitbucket, Subversion, AWS, VMware, Azure, Kubernetes, Risk Management Framework (RMF), NIST SP 800-53r5
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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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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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Principal Software Engineer, Continuous Integration (Starship)
Hawthorne, California, United States
$200k-$285k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
7+ YOE7+ years software engineering; Bachelor's degree in CS/Engineering/Math or STEM, or 9+ years experience in lieu of degree; strong Python/C++/Go/Rust; Bazel or similar build systems; work on on-premises compute; willingness for long hours.
Bazel, Python, C++, Rust, Go
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Principal Embedded Software Engineer
El Segundo, California, United States
$201k-$314k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
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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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
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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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Principal Software Engineer, AI Enablement - Central Product
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
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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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
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Principal Radar Software Engineer
Agoura Hills, California, United States
OnsiteFull Time
Wind River
Wind River: Provides software for mission-critical intelligent edge systems.
10+ YOEBachelor's degree in computer engineering, computer science, or electrical engineering and 10+ years' experience with embedded software, radar signal processing, C++, MATLAB, DSPs, data analysis, and software integration.
MATLAB, C++, Git, SVN, ROS, CUDA, CAN, Ethernet, Microsoft Azure, Amazon Web Services (AWS), Python, Hardware-in-the-Loop, Software-in-the-Loop
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Principal Software Engineer
El Segundo, California, United States
$150k-$190k/yr HybridFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
10+ YOEAbility to obtain DoD Secret clearance; Bachelor's in CS/SE/CE; 10+ years software development; expertise in distributed systems, full‑stack development, Angular, Kafka, event-driven architectures, DevSecOps and CI/CD.
Angular, Kafka, Kafka Streams, Apache Flink, RabbitMQ, NATS, OpenTelemetry, Prometheus, Grafana, ELK, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Kubernetes, CI/CD, DevSecOps
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Principal Software Engineer - Observability
New York City or Glendale
$193k-$259k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
10+ YOEBachelor’s degree or equivalent experience; 10+ years of software engineering; AI/ML, scalable APIs, cloud platforms, observability, agentic workflows, CI/CD, microservices, and technical leadership experience.
FastAPI, Flask, Anthropic, OpenAI, Google, Meta, Claude, Qwen, LangChain, LangGraph, AWS, Microsoft Azure, GCP, Cursor, Claude Code, GitHub, Docker, AWS/EKS, Datadog, Grafana, Conviva, OpenTelemetry (OTel), AWS Bedrock, PySpark, Pandas, Databricks, Snowflake, GPT
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Principal Software Engineer - Observability
New York City or Glendale
$193k-$259k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
10+ YOEBachelor’s degree or equivalent experience; 10+ years of software engineering experience; AI/ML, observability, scalable APIs, cloud platforms, agentic workflows, and front-end/back-end systems expertise.
FastAPI, Flask, Anthropic, OpenAI, Google, Meta, Claude, Qwen, LangChain, LangGraph, AWS, Microsoft Azure, Google Cloud Platform, Cursor, Claude Code, GitHub, Docker, AWS/EKS, Datadog, Grafana, Conviva, OpenTelemetry (OTel), AWS Bedrock, PySpark, Pandas, Databricks, Snowflake, GPT
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Principal Software Engineer
Los Angeles or United States
$143k-$190k/yr RemoteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOEUS citizen able to obtain Public Trust 6C, 5+ years related experience, proven distributed systems and backend architecture skills, experience with microservices, cloud, observability, and mentoring engineers.
Java, Python, AWS, Azure, GCP, Kubernetes, ECS, Terraform, CloudFormation, Kafka, SQS, EventBridge, REST, GraphQL
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Principal Software Engineer, Gameplay - Teamfight Tactics
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
Riot Games
Riot Games: Develops and publishes video games and esports content.
10+ YOE10+ years software development; 4+ years Unreal Engine; expert C++ and gameplay engineering; BS in Computer Science or equivalent fundamentals; collaboration, mentoring, and multi-platform experience.
Unreal Engine, C++, Android, iOS
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Principal Embedded Software Engineer
Los Angeles, California, United States
$180k-$220k/yr HybridFull Time
Silvus Technologies
Silvus TechnologiesNYSE: MSI: Develops advanced mobile ad-hoc network radios for mission-critical communications.
8+ YOEBachelor's in EE/CS or related, 8+ years embedded software development experience, expertise with embedded Linux on ARM, C programming and Linux kernel driver development. U.S. citizenship required; background check and drug test contingent.
Linux, Linux kernel, C, ARM, RISC-V, AMD UltraScale+ MPSoC, Microchip Polarfire SoC, IPsec, NIST FIPS 140-3, NIAP Common Criteria
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Principal Software Engineer, Ads Platform
Palo Alto or New York City or Bellevue or Santa Monica or Seattle or San Francisco
$235k-$414k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
10+ YOEBachelor's in technical field or equivalent experience; 10+ years software development; 2+ years technical leadership; experience architecting distributed systems and operating highly-available services; strong software design and collaboration skills; ads domain experience preferred.
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Principal Radar Software Engineer
Agoura Hills, California, United States
OnsiteFull Time
Aptiv
AptivNYSE: APTV: Engineers electrical architectures and safety software for vehicles.
10+ YOEBachelor's in Computer Engineering/Computer Science/Electrical Engineering; 10+ years embedded/parallel processing/C++/MATLAB experience; radar signal-processing, DSP optimization, logging, integration, and revision-control knowledge.
MATLAB, C++, git, svn, ROS, CUDA, Azure, AWS, Python, DSP, CAN, Ethernet, Hardware-in-the-Loop, Software-in-the-Loop
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Principal Ground Software Engineer
Hawthorne, California, United States
$120k-$190k/yr OnsiteFull Time
Reflect Orbital
Reflect Orbital: Reflects sunlight from orbital mirrors to Earth solar farms.
10+ YOEBachelor's degree or equivalent experience, 10+ years developing ground systems software, technical direction experience, satellite operations experience, AWS and Kubernetes expertise, networking knowledge, and Python, C++, or Rust skills.
Amazon Web Services (AWS), Kubernetes, Python, C++, Rust, Linux, HSA, FSA, 401K, VPN
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Principal Platform Engineer
Los Angeles, California, United States
$170k-$190k/yr OnsiteFull Time
First Resonance
First Resonance: Software platform for tracking and managing complex hardware manufacturing.
8+ YOE8+ years software engineering; experience building high-availability backend services; strong distributed systems; leadership of large technical initiatives; excellent written and verbal communication.
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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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