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418 software testing jobs at 190 companies in Laguna Niguel, CA

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Mechanical Testing Lead Technician
Huntington Beach, California, United States
$36-$45/hr OnsiteFull Time
Element Materials Technology
Element Materials Technology: Global provider of testing, inspection, and certification services.
3+ YOE3+ years hands-on static and dynamic mechanical testing experience; associate's or bachelor's in engineering/materials preferred; knowledge of servo-hydraulic systems, ASTM test methods, drawing interpretation, and test software.
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4h
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Testing Engineer Graduate (TikTok-Testing-Social-User and Relation) - 2027 Start
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$128k-$256k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
Bachelor's or master's degree in computer-related field; programming in Java, Python, Objective-C, or Golang; testing fundamentals; software engineering, algorithms, and system architecture knowledge.
Java, Python, Objective-C, Golang, Django, Flask, Docker, K8s, Kafka, Redis, AI, LLM
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Software Engineer (Special Projects) - Top Secret Clearance
Hawthorne, California, United States
$125k-$150k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in CS/engineering or 2+ years in software development; 1+ years in C/C++; active Top Secret/SCI or DOE Level Q clearance; able to design and test avionics software.
C++, C, Linux, Bash, Microcontrollers, Firmware, Software Testing, Computer Architecture, Networks
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2d
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Design, develop, test, and deploy scalable software; proficiency in one or more languages (Java, Python, C#, JavaScript); bachelor's degree or equivalent experience.
Java, Python, C#, JavaScript, Amazon Web Services (AWS), Microsoft Azure, Google Cloud, Docker, Kubernetes
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Sr Engineer, Software Test
Irvine, California, United States
$100k-$120k/yr OnsiteFull Time
Masimo
MasimoNasdaq: MASI: Develops noninvasive patient monitoring technologies and consumer audio products.
5+ YOESenior Software Test Engineer for medical devices; lead test strategies, V&V, and automation; cross-functional collaboration; 5+ years in medical device testing; degree in related field.
Python, C/C++, Linux, CI/CD, Test Automation
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3w
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Software Test Engineer
Los Angeles, California, United States
$36-$43/hr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
Bachelor's in CS/CE/EE or related, strong Python/C/C++ skills, experience on Windows/Linux/MacOS/Android/bare metal, understanding of software testing and networking, U.S. citizenship required, background check and drug test.
Python, C, C++, Windows, Linux, MacOS, Android, Wireshark, TCPDump, PuTTY, Minicom, web browser development tools
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4w
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Software Engineer I
Los Angeles, California, United States
$91k-$111k/yr HybridFull Time
Los Angeles Capital Management
Los Angeles Capital Management: Quantitative equity management for global institutional investors.
1+ YOEBachelor's in a quantitative field, 1+ year production software experience, strong Python and SQL skills, familiarity with testing and Git, and effective communication.
Python, FastAPI, Pydantic, GitHub Actions, Snowflake, Prefect, Git, SQL, Azure, Docker, Dagster, Airflow
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2w
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Sr. Software Engineer
Lake Forest, California, United States
OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
5+ YOE5+ years software engineering experience; strong JavaScript/TypeScript and React; experience with micro-frontends, frontend SDKs, REST API integrations, and automated testing (Jest, Cypress, Playwright).
JavaScript, TypeScript, React, Jest, Cypress, Playwright, REST APIs
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Mission Software Engineer, Vehicle Software, Communications
Boston or Costa Mesa
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOEEligible for U.S. Top Secret clearance; BS/MS/PhD in CS, Software Engineering, Math, Physics or related; 3+ years production C++ and/or Rust on Linux; experience with radio integrations (Link 16), data processing, and testing; travel up to 30%.
C++, Rust, Linux, Link 16, Lattice OS, GenAI
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Senior AI QA/Testing Lead
El Segundo, California, United States
$34-$51/hr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
2+ YOEAssociate degree and 5 years of experience, or bachelor's degree in computer science or a related field. Requires software testing, REST API, automation frameworks, Agile, SQL, and ability to obtain a DoD SECRET clearance.
Chrome, Internet Explorer, Firefox, Safari, iOS, Playwright, Selenium, Cucumber, Protractor JS, Nightwatch JS, REST, SQL, Claude Code, AWS, Microsoft Azure, MySQL, MSSQL, SOAP, JIRA, Bitbucket, Microsoft Confluence
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2d
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Software Programmer II
Orange, California, United States
$43-$47/hr OnsiteFull Time
MSI
MSI: Leading distributor of flooring, countertops, and hardscaping surfaces.
3+ YOE3+ years software development experience; proficiency in C#, Angular (v10+), .NET, RESTful APIs, SQL Server, unit testing, version control and DevOps tools; CS degree preferred.
C#, Angular, .NET Framework, .NET Core, RESTful Web APIs, SQL Server, JIRA, TFS, GitHub, GitLab
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Software Engineer, Diagnostics
Garden Grove, California, United States
$140k-$180k/yr OnsiteFull Time
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Automotive software engineering with UDS/CAN/ODX, strong Python and C++ skills, diagnostics and unit testing experience, ECU/vehicle hardware validation, and familiarity with ISO 26262; Android development preferred.
UDS, CAN, ODX, Python, C++, Ethernet, LIN, CANdela Studio, Android, ISO 26262
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Software Engineer II – Test/Internal Tooling
Los Angeles, California, United States
$140k-$164k/yr OnsiteFull Time
Parallel Systems
Parallel Systems: Building autonomous battery-electric rail vehicles for freight transportation.
3+ YOE3+ years software development experience with scripting (Python, JS) and systems (C++, Rust); experience building test infrastructure (HITL/SITL), Linux, CI, test frameworks, mentoring, and cross-functional collaboration.
Python, JS, C++, Rust, Linux, CI
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2d
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Software Programmer II
Orange, California, United States
$43-$47/hr OnsiteFull Time
MSI
MSI: Leading supplier of flooring, countertops, and hardscaping surface products.
3+ YOE3+ years software development experience with C#, Angular, .NET, REST APIs, and SQL Server; degree in Computer Science or related field; familiarity with SDLC, unit testing, version control, and DevOps tools.
C#, Angular, .NET Framework, .NET Core, RESTful Web APIs, Microsoft SQL Server, Unit Testing, JIRA, TFS, GitHub, GitLab
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2mo
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Software Engineer, Engineering Tools
Long Beach, California, United States
OnsiteFull Time
SpinLaunch
SpinLaunch: Develops kinetic launch systems and broadband satellite constellations.
B.S. in CS or software engineering; strong Python; YAML/JSON validation; Git/CI-CD; Linux; test automation; autonomous work; strong communication.
Python, Git, Linux, YAML, JSON, CI/CD, Pydantic, NumPy, SciPy, pandas, matplotlib, Plotly, Dash, Streamlit, Dagster, Airflow, InfluxDB, TimescaleDB, MLflow, Docker, SCPI, VISA, PyVISA, IVI, GPIB, LXI
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2d
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Senior Software Engineer - ATS (Onsite)
Fullerton, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOESTEM degree and 5+ years of software engineering experience, or advanced degree and 3+ years. Requires UNIX/Linux, C, software lifecycle, testing, debugging, configuration management, and U.S. citizenship.
UNIX, Linux, C, ClearCase, ClearQuest, Jira, BitBucket, Git, C99, Python, SQL, Matlab, bash, ksh, Perl, Red Hat Enterprise Linux (RHEL), HTML, CSS, JQuery, C#, PHP, Json, VBScript, JavaScript, Angular, DO-178B
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Senior Software Engineer
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington D.C. or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$153k-$205k/yr RemoteFull Time
Circle
CircleNYSE: CRCL: Digital currency issuer and blockchain financial infrastructure provider.
6+ YOE6+ years professional software development with Java and Go; bachelor’s in CS or equivalent; led small technical teams; experience with payment systems, RESTful APIs, cloud services, and SQL; strong system design, testing, and communication skills.
Java, Go, AWS, Google Cloud, Microsoft Azure, SQL, NoSQL, RESTful API
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Software Engineer, R&D Platforms
Los Angeles, California, United States
$112k-$200k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
4+ YOEBachelor's in a related technical field, 4+ years developing engineering/test/R&D software, strong Python and C++, experience with hardware integration, DAQ, test automation, and data workflows.
Python, C++, NumPy, pandas, SciPy, matplotlib, Plotly, Dash, Jupyter, LabVIEW, NI-DAQmx, cDAQ, NI hardware, DAQ, CAN, Modbus, TCP/IP, OPC UA, MQTT, SCPI, VISA
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Flight Software Engineer
El Segundo, California, United States
OnsiteFull Time
Matter Intelligence
Matter Intelligence: Develops hyperspectral sensors and AI-powered Earth observation systems.
2+ YOE2–6+ years in flight or embedded software; strong Python and C++ or Rust; experience with embedded Linux, concurrency, testing, hardware interfaces, and data handling.
Python, C++, Rust, CMake, Make, Embedded Linux
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Sr. Engineer, Software Development
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles
$121k-$173k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years software engineering experience; proficiency in C#; automation testing and end-to-end test automation; cloud experience (AWS/Azure/AKS), Terraform; CI/CD and DevOps tools; container orchestration and observability; must be authorized to work in the U.S. and meet location requirement.
C#, Postman, Bruno, SpecFlow, Cucumber, AWS, Azure, AKS, Azure Cosmos DB, Terraform, Jenkins, TeamCity, GitHub Actions, ArgoCD, Datadog, Prometheus, GitHub Copilot
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