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249 software system engineer jobs at 98 companies in Temecula, CA

1mo
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Software Engineer
Carlsbad or Germantown
$117k-$185k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
4+ YOE4+ years software engineering experience in C/C++ with Linux systems, multithreading, networking, scripting (Bash/Ansible/Python), and CI/CD tools; bachelor's in CS required.
C, C++, Linux, Bash, Ansible, Python, TCP/IP, OSPF, BGP, Jenkins, JIRA, Git, Perforce, Kubernetes, Containers, CI/CD, AWS, GCP, Claude, Copilot
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1mo
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Software Developer
Poway, California, United States
$106k-$190k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOERequires advanced software engineering experience for complex integrated systems, ability to lead/mentor, support integration and releases, and obtain DoD security clearance.
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3mo
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Software Engineer (Range Systems)
Corona, California, United States
$115k-$150k/yr HybridFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
7+ YOE7+ years in systems/software engineering; experience with hardware/software integration; proficiency in C++, Java, Python, or C#; DoD or defense program exposure is a plus.
C++, Java, Python, C#, TCP/IP
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Software Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years software engineering experience, Bachelor's in CS/IS/EE or related, proficiency with JavaScript, React, TypeScript, Next.js; experience with enterprise/high-availability systems; U.S. Person required; Top Secret eligibility preferred.
Lattice OS, ArsenalOS, Forge, JavaScript, React, TypeScript, Next.js, ERP, MES, WMS, CRM
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Sr. Software Engineer
Irvine, California, United States
$112k-$191k/yr RemoteFull Time
Ingram Micro
Ingram MicroNYSE: INGM: Distributes information technology products and provides supply chain solutions.
5+ YOE5+ years enterprise software engineering with C#, .NET, SQL Server, Angular, and Azure; experience stabilizing production systems, building microservices/APIs, and mentoring teams.
C#, .NET, SQL Server, Angular, Azure, App Services, Functions, SQL Database, Kubernetes, Docker, DevOps pipelines
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Sr. Software Engineer
Irvine, California, United States
$160k-$180k/yr RemoteFull Time
Viant Technology
Viant TechnologyNASDAQ: DSP: Provides an AI-powered demand-side platform for digital advertising.
2+ YOEMaster's degree in CS/IT/Applied Data Science, 2+ years software engineering experience, proficiency in GoLang and Java, MySQL/Oracle, AWS (EC2, S3, Lambda, RDS), and building scalable, low-latency distributed systems.
GoLang, Java, MySQL, Oracle, AWS, EC2, S3, Lambda, RDS
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Software Developer
Poway, California, United States
$106k-$190k/yr HybridFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
8+ YOEBachelor's level education or equivalent experience, 6+ years (bachelors) / 4+ (masters) / 2+ (PhD) software development; ability to obtain DoD security clearance; experience with system architecture, integration, and Agile development.
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4d
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Senior Software Engineer
Santa Ana, California, United States
$129k-$172k/yr RemoteFull Time
First American
First AmericanNYSE: FAF: Provides title insurance and settlement services for real estate.
5+ YOERequires 5+ years building production software, LLM feature deployment, agentic systems, backend services and APIs, cloud-native infrastructure, distributed systems, evaluation frameworks, and mentoring experience.
Cursor, Claude Code, GitHub Copilot
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1mo
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Software Development Engineer, Devices Software & Services
Irvine or Los Angeles County
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEBachelor's degree or equivalent, 3+ years professional software development, 2+ years contributing to systems architecture/design, experience programming in at least one language, familiarity with software engineering best practices and agentic tools.
Kiro, Claude, Cursor
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2w
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Senior Software Engineer
Carlsbad, California, United States
$130k-$180k/yr OnsiteFull Time
Nordson
NordsonNasdaq: NDSN: Manufactures precision dispensing and fluid management equipment for industry.
7+ YOEBS in Computer Science,7+ years software experience,expert C#/.NET for Windows,WPF desirable,motion systems and hardware interface experience,EM/vision knowledge and Python/C++ are a plus.
C#, .NET, WPF, C++, Python, MS Windows
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1w
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Software Engineer Manager
Irvine, California, United States
$237k-$300k/yr HybridFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
6+ YOE6+ MgmtBachelor's in CS or related plus 8 years experience (or Master's plus 6 years). Requires 6 years of technical and people leadership, system design, and engineering delivery experience.
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Senior Software Engineer
Carlsbad, California, United States
$140k-$160k/yr OnsiteFull Time
Alphatec Spine
Alphatec SpineNASDAQ: ATEC: Designs and manufactures surgical implants and instruments for spine surgery.
5+ YOE5+ years commercial R&D software development; strong C#/.NET skills; experience with distributed systems (RabbitMQ), Windows apps, testing, CI/CD, requirements tools (DOORS/Jama/Ketryx), Confluence, and regulated (FDA/QSR, IEC 62304/ISO 13485) environments.
C#, .NET, WPF, RabbitMQ, GitHub, Microsoft Azure DevOps, DOORS, Jama, Ketryx, Confluence, AI agents, AI-powered code generation tools
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2mo
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Lead Software Engineer, Engine Systems
Irvine or Albany
$122k-$225k/yr HybridFull Time
Blizzard Entertainment
Blizzard EntertainmentNASDAQ: MSFT: Develops and publishes interactive video games and services.
8+ YOE8+ years game engineering experience, leadership and shipped title required. Strong C++ proficiency, multithreading, performance optimization, engine systems experience (asset streaming, loading, scheduling), and excellent communication.
C++, Unreal Engine
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1w
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Senior Perception Software Engineer
San Diego, California, United States
$180k-$250k/yr OnsiteFull Time
Seasats
Seasats: Builds autonomous surface vessels for persistent maritime intelligence.
7+ YOE7+ years software engineering experience with 4+ years on perception in fielded systems; expertise in camera/radar/LiDAR processing, classical perception, 3D geometry, Python and scientific stack; U.S. person required.
Python, NumPy, SciPy, OpenCV, CUDA, CuPy, Numba, C++, ROS
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2mo
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Senior Software Engineer - AI Platform
Irvine, California, United States
$150k-$187k/yr HybridFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture building software-defined vehicle platforms, cloud, and connectivity solutions.
8+ YOE8+ years software engineering experience building large-scale distributed systems and production agentic applications with LLMs. Strong Go and Python skills, cloud (AWS) and Kubernetes experience, advanced CS/ML degree preferred, leadership and mentoring experience.
Golang, Python, AWS, Kubernetes
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1w
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Sr. Software Engineer, Dataplane
Irvine or United States
$118k-$154k/yr RemoteFull Time
Alteryx
Alteryx: Provides an automated data analytics and data science platform.
5+ YOE5+ years software development experience; strong Go, REST API, distributed systems; AWS or GCP cloud experience; JavaScript/TypeScript and React; CI/CD and Git; troubleshooting and production operations skills.
Go, REST APIs, AWS, GCP, JavaScript, TypeScript, React, Kubernetes, Docker, Helm, Terraform, Kafka, Redis, Pub/Sub, Git
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2w
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Senior Software Developer, Automation
Temecula, California, United States
$150k-$170k/yr OnsiteFull Time
FFF Enterprises
FFF Enterprises: Distributes specialty biopharmaceuticals and manages critical healthcare inventory.
5+ YOEBachelor's in CS or related, or 7+ years experience; 5+ years software development and systems integration; experience with automation, SAP EWM/WMS integrations, CI/CD, and on-call support.
Go (Golang), Python, C#, Java, SQL Server, PostgreSQL, MySQL, HTML, CSS, Go Templates, Jenkins, GitLab CI, Azure DevOps, Linux, Ubuntu, Windows, Docker, Kubernetes, AWS, Azure, GCP, RabbitMQ, Kafka, MQTT, Prometheus, Grafana, ELK/EFK, JIRA, Confluence, Git, SAP EWM, SAP WMS, PLCs, Allen-Bradley, Siemens
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3w
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Principal Systems Engineer (Console System)
Carlsbad or Arden Hills or Maple Grove
$107k-$203k/yr OnsiteFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Developing and manufacturing innovative medical devices for less-invasive treatments.
7+ YOEBachelor's in engineering,7+ years engineering experience,5+ years technical leadership,systems engineering across hardware/software,experience with Class II/III medical devices,requirements and verification expertise.
Jama, DOORS, Requisite Pro, Jira, MATLAB, Python, LabVIEW, Minitab
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3w
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Principal Systems Engineer (Console System)
Carlsbad or Arden Hills or Maple Grove
$107k-$203k/yr OnsiteFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Manufacturer of interventional medical devices and technologies.
7+ YOEBachelor's in engineering,7+ years engineering experience,5+ years technical leadership,systems engineering for multidisciplinary hardware/software medical devices,requirements and verification expertise,experience with regulated Design Controls.
Jama, DOORS, Requisite Pro, Jira, MATLAB, Python, LabVIEW, Minitab, Ethernet, RS232, SPI, I2C, CAN
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Senior Software Engineer - Supply Platform
Aliso Viejo or San Francisco
$200k-$250k/yr HybridFull Time
StubHub
StubHubNYSE: STUB: Online marketplace for buying and selling live event tickets.
6+ YOE6+ years professional software development experience; proficiency with general-purpose languages (e.g., Java,C#); experience with distributed systems, databases or data processing; strong communication and mentoring skills.
Java, C#
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