175 principal software engineer jobs at 41 companies in Valencia, CA
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Principal Software Engineer
New York or Santa Monica
$188k-$265k/yr HybridFull Time
10+ YOE10+ years in software engineering with architecture and distributed systems; cloud (AWS); Java/Python; microservices; API design; hands-on coding.
AWS, S3, DynamoDB, Kinesis, Kafka, Java, Python, API Design, Microservices, Distributed Systems, Cloud
2mo
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Principal Software Engineer
New York or Santa Monica
$197k-$265k/yr HybridFull Time
10+ YOE10+ years in software engineering with architecture and distributed systems; BS in CS/IS/ENG or related field; strong cloud, microservices, API design; proficient in Java/Python; hands-on coding; excellent communication.
AWS, S3, DynamoDB, Kinesis, SQS, Kafka, Java, Python, Microservices, APIs, Data modeling, Design patterns
1mo
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Principal / Sr. Principal Software Engineer - Software Assurance
El Segundo, California, United States
$114k-$213k/yr OnsiteFull Time
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
3w
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Principal / Sr Principal Engineer Software
San Diego or El Segundo
$114k-$171k/yr OnsiteFull Time
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
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
3mo
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Principal Software Engineer, Continuous Integration (Starship)
Hawthorne, California, United States
$200k-$285k/yr OnsiteFull Time
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
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
3w
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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
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.
3w
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Principal Software Engineer
Canada or El Segundo
RemoteFull Time
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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Principal Software Engineer, AI Enablement - Central Product
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
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
1mo
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Principal Radar Software Engineer
Agoura Hills, California, United States
OnsiteFull Time
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
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
6d
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Principal Software Engineer (Autonomy)
Palmdale or Fort Worth or Atlanta or Denver or Huntsville
$160k-$200k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer engineering, computer science, or related discipline; 8+ years of software development; C, C++, Java, Python, Bash, embedded systems, Git, Linux, Windows, and active Secret clearance required.
C, C++, Java, Python, Bash, Git, Linux, Windows, Confluence, JIRA, Bitbucket, ArduPilot, PX4, MAVLink, Docker, CI/CD
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Principal Software Engineer
Los Angeles or United States
$143k-$190k/yr RemoteFull Time
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
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
2mo
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Principal Software Engineer
Tampa or Thousand Oaks
$157k-$212k/yr HybridFull Time
2+ YOEDeep expertise in ML/Generative AI, MLOps/LLMOps, cloud platforms, and scalable system architecture; proven track record delivering production-grade ML systems; advanced proficiency in Python and modern ML frameworks; degree + experience combinations required.
MLflow, Kubeflow, Airflow, CI/CD, Docker, Kubernetes, AWS, GCP, Azure, Python, PyTorch, TensorFlow, Hugging Face, LangChain, Databricks, Spark, Hadoop, Apache Spark, Apache Airflow, OLAP, OLTP
2mo
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Principal Software Engineer (Valencia, CA, US, 91355)
Valencia, California, United States
$107k-$203k/yr HybridFull Time
8+ YOE8+ years Android experience; 2+ years in medical device app; Kotlin/Java; AWS; BLE; regulatory design controls
Kotlin, Kotlin Multiplatform, Java, Android Jetpack, BLE, AWS, KMS, S3, DynamoDB, Cognito, API Gateway, EC2, CloudWatch, FHIR
1mo
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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
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 Embedded Software Engineer
Los Angeles, California, United States
$180k-$220k/yr HybridFull Time
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
1mo
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Principal Radar Software Engineer
Agoura Hills, California, United States
OnsiteFull Time
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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