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106 principal engineer software development jobs at 40 companies in Carlsbad, CA

3w
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Principal Software Development Engineer
Escondido or San Diego
$140k-$200k/yr HybridFull Time
One Stop Systems
One Stop SystemsNASDAQ: OSS: Manufacturer of high-performance ruggedized edge computing systems.
5+ YOEB.S. in Software Engineering and 5+ years' experience. Strong TypeScript, Angular, RxJS, web APIs, testing, Git, and debugging skills; excellent communication and problem-solving.
HTML DOM, Fetch, XHR, Storage, UI Events, Navigation, TypeScript, ReactiveJS (RxJS), AI-assisted programming tools, Angular 14+, PrimeNG, Chart.js, Cypress, Git, Microsoft Office Suite, Adobe Acrobat, Revit, AutoCAD
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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: 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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3mo
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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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1d
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Senior Principal Engineer – Software Development (Medical Devices)
Irvine, California, United States
$125k-$206k/yr OnsiteFull Time
BD
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
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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1mo
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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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2w
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Principal Software Engineer
Irvine, California, United States
$118k-$218k/yr OnsiteFull Time
Cadence Design Systems
Cadence Design SystemsNASDAQ: CDNS: Develops computational software and hardware for electronic system design.
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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Principal, Software Engineer
Lake Forest, California, United States
$128k-$166k/yr OnsiteFull Time
Alcon
AlconNYSE: ALC: Manufactures ophthalmic surgical equipment and vision care products.
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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Principal Software Engineer
Costa Mesa, California, United States
$165k-$283k/yr RemoteFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
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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2mo
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Principal Software Engineer
Austin or Irvine or Dallas
$134k-$185k/yr HybridFull Time
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
5+ YOEBachelor's degree required, 5+ years software development experience, strong SDLC and architecture skills, cross-stack programming, experience driving adoption of tools and AI-assisted workflows (GitHub Copilot, LLM APIs, agent frameworks), strong communication and leadership.
GitHub Copilot, LLM APIs, agent frameworks, SDKs
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1mo
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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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Principal SW Development Engineer
San Diego, California, United States
$190k-$317k/yr RemoteFull Time
Dexcom
DexcomNASDAQ: DXCM: Develops continuous glucose monitoring systems for diabetes management.
13+ YOEBachelor's degree in a technical discipline with 13+ years of related experience, or master's with 8+ years, or PhD with 5+ years. Requires expertise in distributed, cloud-native, secure, scalable platforms.
REST, gRPC, DevOps, Site Reliability Engineering, infrastructure as code
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2w
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Principal SW Development Engineer
San Diego, California, United States
$190k-$317k/yr RemoteFull Time
Dexcom
DexcomNasdaq: DXCM: Manufacturer of continuous glucose monitoring systems for diabetes management.
13+ YOEBachelor’s degree in a technical discipline with 13+ years’ related experience, or master’s with 8+ years, or PhD with 5+ years. Requires large-scale backend/cloud architecture, distributed systems, security, and communication expertise.
REST, gRPC, DevOps, Site Reliability Engineering
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2mo
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Software Engineer/Principal Software Engineer - JAVA
San Diego, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEU.S. Top Secret clearance required/transferable, Java microservices development, XML/JAXB, Maven, Agile, CI/CD, Confluence and Jira experience; Bachelor/Master/PhD in STEM with related engineering experience.
Java, XML, XSLT, XSD, JAXB, XPath, Maven, Confluence, Jira, Postgres, CloudNativePG, Elasticsearch, MongoDB, Redis, JMS, ActiveMQ, Kafka, Ansible, Bash, PowerShell, Python, Bamboo, GitLab, Bitbucket
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5d
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Principal, Software Engineer
New York or California or Illinois or Atlanta or Boston or Chicago or Denver or Los Angeles or New York or Salt Lake City or San Diego
$122k-$165k/yr RemoteFull Time
DEPT
DEPT: Global digital agency providing integrated technology and marketing services.
7+ YOERequires 7+ years software experience, 3+ years Python, expert backend and distributed systems knowledge, cloud and Docker experience, API integration, databases, frontend architecture, CI/CD, and technical leadership.
Python, Gemini CLI, Claude Code, Codex, Angular, TypeScript, Google Cloud, AWS, Azure, Docker, Git, Mercurial, Agile, CI/CD, Google's Agent Development Kit (ADK), SQL, NoSQL, LLM
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1mo
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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 Software Engineer
Columbus or Irvine or United States or New York City
RemoteFull Time
Avandra Imaging
Avandra Imaging: Federated network for de-identified medical imaging and clinical data.
12+ YOE12+ years engineering experience, distributed systems expertise, technical leadership, cloud-native systems, CI/CD, observability, automated testing, infrastructure as code, databases, and regulated healthcare environments.
CI/CD, Docker, Kubernetes, AWS, HIPAA
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2w
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Principal Software Engineer
Columbus or Irvine or United States
HybridFull Time
Aegis Ventures
Aegis Ventures: Venture studio building healthcare and artificial intelligence companies.
12+ YOE12+ years engineering experience, distributed systems expertise, technical leadership, CI/CD, observability, automated testing, infrastructure as code, Docker, Kubernetes, cloud systems, databases, and regulated healthcare experience.
CI/CD, Docker, Kubernetes, AWS, HIPAA
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2mo
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
Cotality
Cotality: Provides property data, analytics, and workflow intelligence solutions.
10+ YOEMaster's or Bachelor's in CS/AI (required), 10+ years software engineering, expert Python/FastAPI, semantic/graph and RAG experience, cloud (GCP/AWS/Azure), Git/Unix, ADK, vector DBs, strong communication and leadership.
Git, Unix, Python, FastAPI, FastMCP, ADK, Vector Databases, GraphRAG, RAGAS, DeepEval, HyDE, GCP, AWS, Azure
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6d
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Principal / Senior Staff Software Engineer ( 5G PHY )
San Diego, California, United States
$200k-$230k/yr OnsiteFull Time
Globalstar
GlobalstarNYSE American: GSAT: Global provider of satellite communications and IoT connectivity solutions.
10+ YOEBachelor’s degree in computer science, computer engineering, or related field; 10+ years C/C++ software development; 7+ years 5G/LTE PHY software and algorithms; 5+ years real-time Linux development.
C, C++, Linux, Wireshark, tcpdump, Microsoft Office, NetSuite
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3mo
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Principal, Software Engineer - Java Developer
Irvine, California, United States
$133k-$227k/yr OnsiteFull Time
Ingram Micro
Ingram MicroNYSE: INGM: Global distributor of technology products and supply chain solutions.
8+ YOEBachelor's degree in computer science or a related science, math, or IT discipline; 8+ years of technical experience; strong Java, Spring, API, database, software design, and testing skills.
Java, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, Oracle, MySQL, PostgreSQL, REST, SOAP, Kafka, RabbitMQ, Git, Maven, Gradle, CI/CD, Docker, Kubernetes, GCP, AWS, Azure
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