36 principal software engineer jobs at 24 companies in Isleton, CA

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Software Engineer/Principal Software Engineer
McClellan Park, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEUS citizen able to obtain Top Secret clearance. Bachelor's in STEM with 2+ years (or Master's with 0) for Software Engineer; or Bachelor's with 5+ years (or Master's with 3+) for Principal. Experience with Agile, Git/GitLab/Bitbucket, C/C++, Python, Java, Docker; software test planning and execution experience preferred.
Agile, Git, GitLab, Bitbucket, C/C++, Python, Java, Docker, Kubernetes, Atlassian, JIRA, Jenkins, Confluence, Linux Bash
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Software Engineer/Principal Software Engineer
McClellan, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEU.S. citizen with ability to obtain Top Secret clearance; Bachelor's in STEM + 2 yrs experience (or Master's with 0 yrs) for Software Engineer, or Bachelor's + 5 yrs (Master's + 3 yrs) for Principal. Experience with Agile, Git/GitLab/Bitbucket, C/C++, Python, Java, Docker; software test planning and execution.
Agile, Git, GitLab, Bitbucket, C/C++, Python, Java, Docker, Kubernetes (K8s, k3s), Atlassian, JIRA, Jenkins, Confluence, Linux Bash, Linux/UNIX, CI/CD, Scrum
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Principal Engineer
Pleasanton, California, United States
$257k-$322k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud-based financial close and accounting automation software.
Principal software engineering role requiring application architecture, cloud backend development, system scaling, troubleshooting, optimization, innovation, cross-team collaboration, and mentoring engineers.
cloud-based backend services
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Principal Software Engineer
Folsom, California, United States
$165k-$227k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
14+ YOEB.S. in CS/CE plus ~14+ years experience; expertise in C/C++, Linux, embedded systems; software design/architecture, project leadership, Agile, DevSecOps, Bash/Python scripting, Yocto, and customer communication.
C/C++, Linux, Embedded Systems, I2C, SPI, Xilinx/AMD SOCs, BASH, Python, Yocto, Mongo, Containerization, virtual machines, DevSecOps, AI tools
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Principal Software Engineer (C++)
Alameda, California, United States
$180k-$230k/yr OnsiteFull Time
Boxbot
Boxbot: Automated vertical package handling and sorting for logistics facilities.
8+ YOE8+ years professional software engineering with deep C++ expertise, experience building real-time or near-real-time systems, multi-threaded programming, hardware interfaces, Linux, strong debugging and architecture skills.
C++, Linux, PLCs
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Principal Software Engineer, Neuroscience Platforms
Emeryville, California, United States
$200k-$350k/yr OnsiteFull Time
Astera Institute
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
Exceptional software engineering fundamentals; proficiency in at least two of Python, C++, C#, Rust; experience building latency-sensitive, performance-critical systems; full-stack hardware-to-cloud experience; mentoring and technical leadership.
Python, C++, C#, Rust, Unity, Unreal, Airflow, Prefect, CUDA, Vulkan, DAQ, TTL, serial, SPI
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Principal Software Engineer, AI Tooling & Adoption
Oakland, California, United States
$226k-$282k/yr HybridFull Time
Fivetran
Fivetran: Automates data movement into cloud data warehouses.
10+ YOE10+ years software engineering experience, deep expertise with AI-assisted developer tools and LLMs, proven leadership driving adoption across large engineering organizations, CI/CD and vendor/budget management experience.
Java, Postgres, Oracle, SQL Server, MySQL, Kubernetes, Docker, AWS, GCP, CircleCI, Google Gemini, Anthropic Claude, Claude Code, ChatGPT, OpenAI Codex, GitHub Copilot, Python, C, SQL, Bazel, React
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Principal Engineer, AI Software Solutions
Folsom or Santa Clara
$256k-$361k/yr HybridFull Time
Intel
IntelNasdaq: INTC: Designs and manufactures microprocessors and semiconductor components.
12+ YOEBachelor's in CS/SE/EE or related, 12+ years software development/optimization experience, strong system-level software and computer architecture knowledge, proficiency in development, debugging, validation, modeling, and prototyping.
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Principal Software Engineer, AI Discovery & Recommendations
Oakland, California, United States
HybridFull Time
VuMedi
VuMedi: Online video platform for medical education and physician collaboration.
Extensive experience building recommendation, search, or retrieval systems; production ML/AI engineering experience; backend development in Python; distributed systems and cloud-native architecture expertise.
Python
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Principal Systems Design Engineer
Folsom, California, United States
$175k-$300k/yr OnsiteFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
10+ YOEBachelor's in electrical or computer engineering with 10+ years of experience; strong hardware/software systems design, verification, and leadership skills.
3mo
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Principal Civil / Structural Engineer
Roseville, California, United States
$140k-$180k/yr HybridFull Time
GFT (Gannett Fleming)
GFT (Gannett Fleming): Provides infrastructure engineering, design, and construction management services.
15+ YOEBachelor’s in Civil Engineering; 15+ years civil/structural exp; CA PE license or comity; project management; client development; AutoCAD/MS Office; structural analysis software knowledge.
AutoCAD, MS Office, Structural analysis software
3d
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Lead Principal Application Software Engineer- Forward Deployed Engineer
Pleasanton or United States or California
$105k-$264k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOERequires 10–12+ years in enterprise data platforms, expertise in cloud data engineering and Apache Spark, migration experience, and proficiency with Databricks, Snowflake, Azure, AWS, Kafka, Python, SQL, Scala, or Java.
Databricks, Snowflake, Azure, AWS, Oracle AI Data Platform, Apache Spark, SPARK, Delta Lake, Kafka, Python, SQL, Scala, Java, DataOps, CI/CD, Infrastructure as Code, Lakehouse, Medallion Architecture, OCI, LLMs, Retrieval-Augmented Generation (RAG), MLOps, OCI - DevOps, OCI - Generative AI Agent Hub, OCI Generative AI
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
10+ YOEBachelor's degree in CS/engineering,10+ years experience,expertise in software design,programming (Python,Java,Golang,JavaScript),cloud security and architecture,mentoring and technical leadership.
Python, Java, Golang, JavaScript
2mo
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Senior/Principal Engineer – OpenSearch
Fremont or San Francisco or United States
$170k-$220k/yr RemoteFull Time
DTEX Systems
DTEX Systems: Provides software for insider risk management and data protection.
10+ YOE10+ years software engineering experience, Bachelor's in CS or related, deep OpenSearch expertise, Python and JVM proficiency, AWS experience, large-scale cluster management, migration experience, and strong debugging and communication skills.
OpenSearch, OpenSearch 2.x, Elasticsearch 6.x, Python, JVM, AWS
1mo
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Principal AI Workflow Engineer
Rancho Cordova, California, United States
$196k-$314k/yr OnsiteFull Time
Solidigm
Solidigm: Develops and manufactures NAND flash memory and solid-state drives.
10+ YOE10+ years software/embedded engineering with C/C++ for embedded systems; hands-on LLM and agentic AI experience; AI-assisted tooling and CI/CD integration; firmware validation expertise; strong technical communication.
C/C++, RTOS, CI/CD, IDE, hardware-in-the-loop (HIL), MLOps, vector databases, LLM gateways, RAG, LLMs, SWE-bench, EDA
2w
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Principal Structural Engineer - Sacramento, CA
Sacramento, California, United States
$142k-$212k/yr OnsiteFull Time
Stantec
StantecToronto Stock Exchange / New York Stock Exchange: STN: Global design, engineering, and environmental consulting firm.
15+ YOEPE and SE license required, 15+ years' structural engineering experience, Bachelor’s degree required (Master’s preferred), strong seismic/wind design knowledge, driver's license, Revit and structural software experience.
Autodesk Revit, Microsoft Office, CSI, RISA, RAM, HCAI
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Principal Structural Engineer - Sacramento, CA
Sacramento, California, United States
$142k-$212k/yr HybridFull Time
Stantec
StantecTSX: STN: Provides professional engineering, architecture, and environmental consulting services.
15+ YOE15+ years experience, PE and SE required, bachelor\u0002s in engineering (master\u0002s preferred), strong seismic and structural systems knowledge, Revit and structural software experience, valid driver\u0002s license.
Autodesk Revit, Microsoft Office, CSI, RISA, RAM
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Principal, Software Development Engineering in Test (SDET)
Pleasanton, California, United States
$189k-$284k/yr HybridFull Time
Workday
Workday: A provider of enterprise cloud applications for finance and human capital management.
2+ YOEMaster's in CS/Engineering plus 2+ years (or Bachelor's plus 5+ years) experience; expertise in testing/automation, TDD/BDD, CI/CD integration, Jenkins, Bamboo, Selenium, Java/Python/JavaScript/C#, AWS or GCP, and log monitoring tools.
Jenkins, Bamboo, Selenium, Java, Python, JavaScript, C#, AWS, GCP, Grafana, ELK, Splunk
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Staff/Principal Machine Learning Engineer
Alameda, California, United States
$200k-$315k/yr HybridFull Time
Epia Neuro
Epia Neuro: A neural technology developing implantable interfaces and algorithms to restore function and independence for people with neurological conditions.
4+ YOEPhD expected; 4+ years developing and deploying BCI algorithms; production Python and software engineering; deep neural signal processing and real-time closed-loop decoding expertise; strong communication and cross-functional leadership.
Python, C++
2mo
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Principal Hardware Engineer - Fluidics - Pleasanton, CA
Pleasanton or United States
$250k-$270k/yr OnsiteFull Time
Calyxo
Calyxo: Develops vacuum-assisted devices for minimally invasive kidney stone removal
15+ YOEBachelor's in engineering required, 15+ years developing fluidic/mechatronic/control systems for regulated products, expertise in fluid dynamics, closed-loop control, prototyping, embedded software (C/C++, Python), medical device standards (IEC 60601, ISO 13485).
C, C++, Python