20 principal software engineer jobs at 14 companies in Calimesa, CA
3w
Save
Mark Applied
Hide
Principal, Software Engineer
Lake Forest, California, United States
$128k-$166k/yr OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Austin or Irvine or Dallas
$134k-$185k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Irvine, California, United States
$180k-$220k/yr OnsiteFull Time
8+ YOEBachelor's in EE/CS, 8+ years embedded software experience, expertise in embedded Linux on ARM, C programming, Linux kernel driver development; U.S. citizenship required; background check and drug test contingent.
C, Linux, Linux kernel, ARM, RISC-V, AMD UltraScale+ MPSoC, Microchip PolarFire SoC, UltraScale+, IPsec, Internet/Ethernet, socket programming, NIST FIPS 140-3, NIAP Common Criteria, MANET, MN-MIMO
2mo
Save
Mark Applied
Hide
Principal, Software Engineer - Subscriptions
Irvine, California, United States
$133k-$227k/yr HybridFull Time
10+ YOE10-15 years technical experience; 5+ years web services development; strong Java 8+; REST APIs; Spring Boot; JPA/Hibernate/JDBC; Maven; Git; Agile tools; GCP; DevOps mindset; front-end options like Python/NodeJS a plus
Java, Spring Boot, JPA/Hibernate, JDBC, JUnit, Maven, SonarQube, Git, SVN, JIRA, Confluence, XML, JSON, SOAP, REST, GCP, Splunk, DataDog, Python, Node.js, Bootstrap, Material-UI
2mo
Save
Mark Applied
Hide
Sr. Principal Systems Engineer
Irvine, California, United States
$125k-$206k/yr OnsiteFull Time
4+ YOEBachelor’s or higher in engineering with 4+ years; medical device experience; system requirements, verification/validation, and design controls; IEC 60601-1 knowledge; project leadership preferred.
Electrical Engineering, Mechanical Engineering, Biomedical Engineering, Software, IEC 60601-1, PTC, Polarion, JAMA, DOORS
2mo
Save
Mark Applied
Hide
Principal Engineer - FullStack – Catalog
Irvine, California, United States
$130k-$135k/yr OnsiteFull Time
12+ YOEBachelor's degree required; 12+ years software engineering with principal-level leadership, expertise in backend languages and modern frontend frameworks, high-scale distributed systems, and AI-assisted development.
C#/.NET, Go, Java, Python, React, Copilot, Claude Code, Cursor
1mo
Save
Mark Applied
Hide
Principal Engineer, CoCounsel
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Bachelor's degree (or equivalent) in CS or CE, deep Python and distributed systems experience, hands-on AI/LLM and agent experience, FastAPI/PostgreSQL/AWS familiarity, identity/IAM (SAML, OIDC, OAuth 2.0) expertise, strong communication.
Python, FastAPI, PostgreSQL, AWS, SSO, SAML, OIDC, OAuth 2.0, RBAC, ABAC, Anthropic, OpenAI, LLMs, MCP servers, vector databases, embeddings, semantic search
6d
Save
Mark Applied
Hide
Sr. Principal Application Engineer
Irvine or San Jose
$175k-$225k/yr OnsiteFull Time
8+ YOE8+ years experience in DSP/optical communications, bachelor’s (or higher) in engineering/physics, ability to travel 25–40%, strong DSP and optics fundamentals, hardware/software debugging, documentation and customer-facing communication skills.
Python, MATLAB
2d
Save
Mark Applied
Hide
Principal Engineer
Irvine, California, United States
$200k-$230k/yr OnsiteFull Time
10+ YOE10+ years building distributed, high-performance systems; experience with Nodejs/Go and production deployments; writing maintainable code with tests; mentoring teams and shaping architecture.
Nodejs, Golang, JavaScript, Node.js, Go, React.js, ElasticSearch, NSQ, GraphQL, Postgres
2w
Save
Mark Applied
Hide
Principal Engineer, Agentic AI Data and Insights
Irvine or San Jose
$307k-$428k/yr OnsiteFull Time
15+ YOEBachelor's degree or equivalent and 15 years software engineering experience; senior technical leadership, large-scale distributed systems, architectural design, and experience with agentic AI and large-scale data platforms.
Iceberg, Spark, GoogleSQL, ANSI SQL, Plx, Jetski
1mo
Save
Mark Applied
Hide
Manager, Software Engineering - Medical Devices
Irvine, California, United States
$132k-$190k/yr HybridFull Time
5+ YOE5+ MgmtBS in CS/CE required; 5 years as senior/principal engineer and 5 years managing software teams; experience leading software development, project management, and strong leadership; Scrum and medical device experience preferred.
Scrum
4w
Save
Mark Applied
Hide
Sr. Principal Architect - Connectivity
Irvine, California, United States
$205k-$343k/yr OnsiteFull Time
15+ YOEBachelor's in Computer Science/Engineering required (advanced degree preferred). 15+ years software experience, systems/solution architecture, connectivity/SATCOM/IFC experience, expertise in low-latency systems, C++, Java, Go, cloud platforms, and strong leadership.
C++, Java, Go, AWS, Azure, Google Cloud Platform, Git, SVN
4w
Save
Mark Applied
Hide
Principal Mobile Developer
Los Angeles or Temecula or Irvine or San Diego
$150k-$220k/yr OnsiteFull Time
Bachelor's or equivalent; experience with C/C++, Java, Python, Android/AOSP, Linux, Agile and continuous integration; strong analytical, debugging, and collaborative skills.
Java, C/C++, Python, Android, AOSP, Linux, Agile, Continuous integration
1mo
Save
Mark Applied
Hide
Distinguished Engineer - Chief Architect
San Jose or Portland or Research Triangle Park or Seattle or New York City or Irvine or San Diego
$337k-$427k/yr HybridFull Time
17+ YOEBachelor's in CS/Engineering or equivalent; 17+ years in software engineering, technical architecture, distributed systems or AI/ML; principal/architect experience; proven ability to set technical strategy and drive cross-organizational architecture; cloud and AI/ML experience.
CIRCUIT, GCP, AWS, Azure, LLM, RAG
Explore Jobs