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192 test software engineer jobs at 88 companies in Manteca, CA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Engineer, Test Software
San Jose, California, United States
$130k-$160k/yr OnsiteFull Time
Ayar Labs
Ayar Labs: Develops optical interconnect technology for high-speed data movement.
0+ YOEBS in EE/CS + 1+ yrs or MS in EE/CS + 0–2 yrs; proficient in Python, instrument control protocols, Git, unit testing/CI-CD, MongoDB/PostgreSQL; familiarity with C/C++ or Java and data structures.
Python, C/C++, Java, JavaScript, GPIB, RS232, USB, SPI, I2C, UART, Git, unit testing, CI/CD, MongoDB, PostgreSQL, Linux, Jira, Claude, Gemini
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1mo
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Staff Software Engineer, Test Infrastructure
San Jose, California, United States
$210k-$234k/yr OnsiteFull Time
Muon Space
Muon Space: Designs, builds, and operates low Earth orbit satellite constellations.
10+ YOE10+ years software engineering experience, expert in software test infrastructure, Hardware-in-the-Loop and simulation-driven testing; strong Python, Git, CI/CD, Linux, and Docker skills; B.S. in CS or equivalent; excellent communication.
Python, Git, GitHub Actions, Linux, Docker, Kubernetes, C/C++, Hardware-in-the-Loop, Software-in-the-Loop, oscilloscopes, multimeters, power supplies, logic analyzers
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2mo
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Software Engineer - Test Automation
Milpitas, California, United States
$118k-$200k/yr OnsiteFull Time
KLA
KLANASDAQ: KLAC: Provides process control and yield management for semiconductor manufacturing.
6+ YOE6+ years in hands-on software test automation across UI, API, and system-level testing.
C++, C#, Java, Python, R, TensorFlow, PyTorch, Keras, SQL, NoSQL, Redis, MongoDB, Kafka, Kubernetes, MySQL, Hadoop, BigQuery, Jenkins, Postman, RestSharp
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2mo
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Embedded Flight Software Test Engineer Staff
Littleton or Pleasanton or Sunnyvale
$114k-$227k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Requires active TS/SCI clearance and experience in embedded software test development using MBSE and Cameo System Modeler; Python, IBM DOORS, Git/GitLab, and Agile/Jira experience; test development, execution, and result analysis skills.
Model Based Systems Engineering (MBSE), Cameo System Modeler, Python, Jira, IBM DOORS, SysML, UML, Git, GitLab, STARS, EZ-Framework
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1mo
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Software Development Engineer in Test
San Jose, California, United States
$119k-$198k/yr HybridFull Time
Thales
ThalesEuronext Paris: HO: Develops electronics and digital systems for aerospace and defense.
2+ YOEIVVQ planning and execution experience with test automation (Pytest, Playwright), CI/CD (GitLab), AI/ML and LLM use for testing, cloud and virtualization familiarity, 2+ years SDET experience; Bachelor's or Master's in a related field.
Pytest, Playwright, Large Language Models (LLMs), GitLab, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), OpenStack, VMware, Xen, KVM, VirtualBox, Hyper-V, IIS, Active Directory, Apache, JBoss, DNS, DHCP, NFS, LDAP, CI/CD
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1mo
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Software Development Engineer in Test
San Jose, California, United States
$119k-$198k/yr HybridFull Time
Thales
ThalesEuronext Paris: HO: Designs and manufactures electronic systems for aerospace and defense.
2+ YOEPlan and execute IVVQ for encryption products, design ML-enhanced test automation, use LLMs for test generation, integrate CI/CD pipelines, and have 2+ years SDET experience; must be authorized to work in the U.S. (no visa sponsorship).
Pytest, Playwright, LLMs, GitLab, Amazon AWS, Microsoft Azure, GCP, Open Stack, SaaS, PaaS, VMWare, Xen, KVM, VirtualBox, Microsoft Hyper-V, IIS, Microsoft Active Directory, Apache, JBoss, DNS, DHCP, NFS, LDAP
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2mo
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Systems Software Engineer, Test & Automation Infrastructure
Fremont, California, United States
$81k-$132k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
0+ YOEBachelor's degree in computer engineering, electrical engineering, or computer science; 0-1+ years in software/test/embedded; Python, C/C++, or similar; automation/infrastructure experience; hardware/software interface knowledge.
Python, Git, C, C++, C#
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2mo
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Integration Test Engineer
Milpitas, California, United States
$90k-$120k/yr OnsiteFull Time
Tarana Wireless
Tarana Wireless: Develops next-generation fixed wireless access broadband technology.
2+ YOEBachelor’s degree in Electrical Engineering or Computer Engineering; 1-3+ years hardware testing, integration, or related experience; Python for test automation; familiarity with Ansible; knowledge of software versioning and hardware test deployment; strong analytical skills.
Python, Ansible
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2mo
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Principal Software Development Engineer in Test
San Francisco or Milpitas
$160k-$170k/yr OnsiteFull Time
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
9+ YOE3+ Mgmt9+ years in Software QE with 3+ years leading QE teams; strong leadership, API testing, and CI/CD experience; Bachelor's in CS or related field.
Jenkins, Docker, Kubernetes, Git, Sonar, Automation frameworks
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3mo
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Senior Test Engineer
Colorado Springs or San Jose
$108k-$155k/yr OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
8+ YOEBS in engineering or computer science; 8+ years in test engineering; strong OS knowledge (Linux/Windows/Unix); scripting (Python, Bash); hardware/software interop; BMC/BIOS/SES firmware experience preferred; GPU testing a plus.
Python, Linux, Bash, Git, Jira, Bugzilla, Windows, Unix, BMC, BIOS, SES, GPU testing
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2mo
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Principal Test Framework Software Engineer
Austin or Milpitas
OnsiteFull Time
Graphcore
Graphcore: Produces specialized processors for artificial intelligence workloads.
Bachelor’s or Master’s in CS/EE or related field; proven automation/test framework experience; Python, Bash; Linux; strong problem solving and collaboration; experience with scalable automation; CI/CD experience preferred.
Python, Bash, Linux/Unix, Test frameworks, CI/CD, Git
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1w
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Software Development Engineer in Test (Multiple Positions)
San Jose, California, United States
$137k-$240k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
1+ YOEMaster's with 1 year or Bachelor's with 3 years in CS/engineering/IT/math/statistics/physics; experience building REST API automation with Python, mobile or large-scale client-server QA, test plans, unit/integration/load testing, and bug tracking.
Python
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1mo
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Senior Software Development Engineer in Test (Python Automation)
San Jose, California, United States
$148k-$296k/yr HybridFull Time
Nutanix
NutanixNASDAQ: NTNX: Sells cloud software and hyperconverged infrastructure for enterprises.
8+ YOE8+ years experience in test engineering; strong Python automation, Kubernetes/Docker, test automation, cloud/infrastructure testing.
Python, Kubernetes, Docker, Postman, JMeter
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Software Engineer (Memory Test, San Jose)
San Jose, California, United States
$143k-$228k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
3+ YOEComputer Science degree, 3+ years software engineering experience, strong C++ and Windows development, hardware-interfacing experience with FPGAs/ASICs, Visual Studio, GIT, KMDF and embedded systems knowledge.
C++, Visual Studio, Microsoft Visual Studio, STL, GIT, Windows, FPGA, ASIC, Raspberry Pi, BeagleBone, Arduino, KMDF, Electronic Medical Records (EMR)
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2mo
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Manufacturing Test Engineer
Foster City, California, United States
$158k-$196k/yr OnsiteFull Time
Zoox
ZooxNASDAQ: AMZN: Developing autonomous robotaxis for urban ride-hailing services.
5+ YOEBS in electrical/computer engineering or physics; 5+ years in manufacturing test; Python/Bash; Linux automated tests; contract manufacturers; SMT testing.
Python, Bash, Linux, pytest, unittest
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1w
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Test Software Engineer Intern (Intelligent Creation) - 2026 Summer (BS/MS)
San Jose, California, United States
OnsiteInternship
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Pursuing undergraduate or master degree in CS/CE, available for a 12-week 2026 internship; experience testing server/client systems; proficient in Python/Java/Go; strong QA, troubleshooting, and quality management skills.
Python, Java, Go
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Software Engineer, Calibration and System Test
San Jose, California, United States
$147k-$211k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
1+ YOEBachelor's degree or equivalent and 1–2 years software development experience; experience with large-scale infrastructure, distributed systems or compute/storage/hardware; strong communication and algorithm skills.
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3mo
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Sr. Software Engineer in Test
San Jose, California, United States
$143k-$186k/yr OnsiteFull Time
NIO
NIONYSE: NIO: Designs and manufactures premium smart electric vehicles and technology
5+ YOE5+ years in embedded test design/automation; bachelor’s or master’s in ECE, CE, CS; Python, C/C++, Bash; Jenkins CI/CD; hardware test experience.
Python, C/C++, Bash, Jenkins, Git, Linux, GitLab CI, QEMU, Docker
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2w
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Senior Software Development Engineer in Test, Confidential Computing - SDET
Santa Clara, California, United States
$168k-$270k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
8+ YOE8+ years testing SW development cycle; BS/MS in Engineering or equivalent; strong knowledge of embedded systems, Linux, Python, C/C++, QA methodology, orchestration/automation, cluster management, cloud and AI tools for automation.
Linux, Python, C, C++, AI tools, CUDA, OpenACC, Ansible, Docker, Xen, KVM, Hyper-V, automake, autoconf, cmake, meson
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2w
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Senior Software Engineer
San Ramon, California, United States
$214k-$257k/yr HybridFull Time
Anaplan
Anaplan: Provider of cloud-native enterprise business planning and modeling software.
5+ YOEBachelor's degree in Software Engineering or Computer Science and 60 months of related experience; experience in software design, security services, test-driven development, CI/CD, mentoring, and scrum practices.
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