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211 senior software testing engineer jobs at 101 companies in Santa Clarita, CA

3mo
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Senior Electrical Engineer - Software (Brooklyn, NY, US)
Brooklyn or Ambler or Los Angeles or Seattle
$150k-$170k/yr OnsiteFull Time
Hatch
Hatch: Global engineering, project management, and professional services firm.
10+ YOESenior rail vehicle electrical software engineer; 10+ years in software engineering and software QA; BS/MS in Electrical/Computer Engineering; strong communication skills; EIT/PE desirable.
IEEE standards, Software Quality Assurance, Software testing, Rail vehicle software, System integration
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1w
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Senior Software Engineer
Burbank, California, United States
$170k-$200k/yr HybridFull Time
Deluxe
Deluxe: Private American media-services providing cinema, distribution, localization, mastering, and streaming services to content creators and distributors.
5+ YOERequires 5+ years of software engineering experience, strong Python and backend/API development skills, AI/ML integration experience, testing and CI/CD proficiency, and knowledge of asynchronous programming and microservices.
Python, FastAPI, Flask, Django, REST APIs, OpenAI, LangChain, Hugging Face, AWS Bedrock, Vertex AI, NLP, OCR, RPA, CI/CD, Temporal, Step Functions, Airflow, AWS, GCP, Azure
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2mo
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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 Internet Group, Inc.
Circle Internet Group, Inc.NYSE: CRCL: Public financial technology providing stablecoin, digital-asset, payments, and blockchain infrastructure to businesses and developers.
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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Senior Embedded Software Engineer
Los Angeles, California, United States
$140k-$200k/yr HybridFull Time
Silvus Technologies
Silvus Technologies: U.S. tactical communications manufacturer developing MANET radios and mesh-network systems for military, public-safety, and enterprise users.
5+ YOEBachelor's in engineering/CS, 5+ years embedded software experience (3 with advanced degree), expertise in C and Linux kernel driver development, U.S. citizenship required, background check and drug test required.
C, Linux kernel, ARM, RISC-V, AMD UltraScale+, MPSoC, Microchip Polarfire SoC, BSP, NIST FIPS 140-3, NIAP Common Criteria, CNSA (Commercial National Security Algorithm), IPsec, Ethernet
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Senior Software Engineer - OMS
Fort Worth or Palmdale or Atlanta or Denver or Huntsville
$120k-$160k/yr OnsiteFull Time
Thompson Software Solutions
Thompson Software Solutions: Private aerospace and defense software engineering consultancy developing safety-critical avionics, mission, cybersecurity, and open-architecture systems.
5+ YOEBachelor's degree in STEM, 5+ years of C++ development, OMS architecture, Linux mission software, middleware and data distribution, service contracts, ICDs, data modeling, and integration testing.
C++, Open Mission Systems (OMS), Linux, Data Distribution Service (DDS), Confluence, JIRA, Bitbucket, Java, Modular Open Systems Approach (MOSA), FACE, CI/CD
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Senior Software Engineer - Telematics Control Unit
Torrance, California, United States
$70-$85/hr OnsiteFull Time
Goken
Goken: Private engineering services and product-development firm serving automotive, aerospace, mobility, energy, and medical clients.
8+ YOEDegree in computer science, software engineering, or related field, or equivalent experience; 8+ years in automotive firmware/software development; expertise in embedded systems, telematics, vehicle platforms, testing, and security.
CAN, CAN-FD, LIN, Ethernet, FlexRay, ISO 26262, ASIL, MISRA C/C++, AUTOSAR, ECUs, TCUs, microcontrollers, HAL, bootloaders, BSPs, RTOS, FreeRTOS, Linux, LTE/5G, GPS/GNSS, Bluetooth, Wi-Fi, MQTT, gRPC, Protobuf, HTTP/REST, OTA, HSM, Secure Boot, TLS, HIL, oscilloscopes, logic analyzer, Vector, CANoe, CANalyzer
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2w
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Senior Software Engineer - Android
United States or San Francisco or Los Angeles or Chicago or Dallas or New York City or London
$165k-$250k/yr RemoteFull Time
Nextdoor
NextdoorNYSE: NXDR: Public neighborhood social-networking connecting neighbors, businesses, publishers, and public agencies through local information and advertising.
5+ YOE5+ years of engineering experience or advanced domain expertise; strong Android development skills, testing experience, mentoring ability, and familiarity with Kotlin, networking, UI architecture, and modularization.
Kotlin, Jetpack Compose, GraphQL, Claude, Gemini, ChatGPT, Glean, JUnit, MockK, Roborazzi, OkHttp, Retrofit, Apollo GraphQL, MVI, Coroutines, Mavericks, Gradle, Metro, Android
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Senior Software Engineer
Glendale or Bristol
$149k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: A leading global entertainment and media conglomerate.
5+ YOE5+ years industry experience; proficiency in Java/Kotlin/Python/JavaScript; experience with microservices, REST APIs, AWS (S3, Lambda, EC2), SQL/MongoDB/OpenSearch, Apache Kafka, testing and code review.
Java, Kotlin, Python, JavaScript, AWS, S3, Lambda, EC2, SQL, MongoDB, OpenSearch, Apache Kafka
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2mo
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Senior Software Engineer - Acquisition and Funnel
Michigan or Detroit or Los Angeles County or San Francisco
$112k-$239k/yr RemoteFull Time
Rocket Loans
Rocket LoansNYSE: RKT: Fintech platform for homeownership, mortgage, and financial services.
5+ YOE5+ years professional software engineering experience; hands-on with Node.js, React, and TypeScript; full-stack ownership, CI/CD, automated testing, production monitoring/observability, and experience handling regulated or sensitive data.
Node.js, React, TypeScript, Next.js, NestJS, PostgreSQL, TypeORM, Docker, AWS, GitHub, Nx Monorepo, Amplitude, Sentry, Splunk, Dynatrace
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3w
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Senior Autonomy Software Engineer
Long Beach, California, United States
$140k-$220k/yr OnsiteFull Time
Odin Dynamics
Odin Dynamics: Private U.S. defense technology building autonomous underwater vehicles for American and allied navies.
5+ YOEDeep autonomy, perception, robotics, or production software experience; systems and scripting language proficiency; machine learning, computer vision, planning, sensor fusion, simulation, testing, and real-world systems integration experience.
HOOTL, SIL, HIL, HITL, Monte Carlo
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1mo
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Senior Software Engineer, Growth (Payment Localization) (Copy)
Los Angeles or San Francisco
$190k-$215k/yr HybridFull Time
Linktree
Linktree: Australian link-in-bio platform helping creators, businesses, and artists connect audiences to their online content.
5+ YOE5+ years software engineering experience; strong full-stack skills with TypeScript, Node.js, React, SQL and cloud services; experience with growth experimentation, A/B testing, data analysis, and AI-assisted development.
TypeScript, Node.js, React, PostgreSQL, MySQL, GraphQL, AWS, SQL, Snowflake, BigQuery, Claude, Cursor, Codex, Devin
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2mo
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Senior Test Engineer
El Segundo, California, United States
$140k-$197k/yr OnsiteFull Time
Radiant
Radiant: Nuclear-energy startup developing portable, mass-produced microreactors for defense, remote industry, and critical infrastructure.
2+ YOEUndergraduate engineering degree; 2+ years in engineering problem-solving, design, analysis, or testing; strong hardware-software integration experience.
Python, UNIX, Procedures testing environments
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4d
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P3 - Senior Software Engineer
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Aerospace and defense providing advanced technology solutions.
5+ YOESTEM degree and 5+ years of relevant experience required. Requires C, C++, or Java development, testing, or integration experience and experience with Docker and Kubernetes.
C, C++, Java, Docker, Kubernetes, Jenkins, Git, Bitbucket, Scrum
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2mo
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Senior Software Engineer, Infrastructure, Google Ads
Irvine or Los Angeles
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
5+ YOEBachelor's degree or equivalent experience; 5 years programming in C++; 3 years testing/maintaining/launching software and 1 year software design/architecture; 3 years developing large-scale infrastructure or distributed systems; EMR not mentioned.
C++
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1mo
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Senior Product Software Engineer (Swift)
Glendale or Seattle or New York City
$142k-$190k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: A leading global entertainment and media conglomerate.
5+ YOE5+ years iOS development experience (3+ with Swift), strong UI framework experience, agile experience, full software lifecycle, strong communication and testing/CI familiarity.
Swift, Objective-C, UIKit, SwiftUI, AVKit, StoreKit, AVFoundation, HLS, MPEG-DASH, CMAF, iOS, tvOS
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3mo
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Sr. Software Engineer, Components Test (Starshield)
Hawthorne, California, United States
$165k-$230k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
5+ YOEBachelor's in CS/Engineering with 5+ years in software development; proficient in C/C++/Python; test automation; Linux/Windows; hardware/software integration.
C, C++, Python, Linux, Windows, TCP/IP, GPIB, I2C, CAN bus, Modbus, VISA, Git, CI/CD, Automation
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2mo
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Senior Spacecraft Software Test Engineer
Redondo Beach, California, United States
$150k-$200k/yr OnsiteFull Time
Impulse Space
Impulse Space: Develops in-space transportation infrastructure and orbital transfer vehicles.
5+ YOEBachelor's in engineering or CS, 3+ years developing embedded test plans/scripts, 5+ years with Python and C++, experience with hardware-in-the-loop and CI/CD preferred.
Python, C++, Docker, CI/CD
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Senior Flight Software Engineer II - Secret Clearance
Long Beach, California, United States
$143k-$214k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: End-to-end space delivering launch services and spacecraft.
8+ YOEBachelor's in engineering or CS, active Secret clearance, 8+ years embedded software experience, proficiency in C/C++, RTOS or Embedded Linux, driver development, CI-based unit testing, and U.S. eligibility for higher clearance.
C, C++, RTOS, Embedded Linux, CAN, CAN-FD, UDP, TCP, Continuous Integration
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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 Corporation
Green Dot CorporationNYSE: GDOT: Public U.S. fintech bank holding providing banking and payment services 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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Senior Software Engineer, Core Platform
Los Angeles or United States
$191k-$267k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social news aggregation, web content rating, and discussion platform.
5+ YOE5+ years building large-scale distributed systems; proficiency in Golang or Python; experience with API platform architectures, media delivery, strong communication, mentoring, and producing well-tested code.
Golang, Python
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