Python Test Software Developer Jobs in Hayward, CA, US

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Software QA Engineer

Palo Alto, California, United States

$131k-$145k/yr HybridFull Time

Instrumental: AI platform for automated electronics inspection and process optimization.

3+ YOE3+ years QA experience with web/mobile apps; hardware testing; end-to-end UX focus; cross-functional collaboration; cloud/SaaS; SQL/scripting; test automation ownership.

SQL, Python, Shell, Test Automation, Cloud Platforms, SaaS, Data Analysis, Visualization Tools

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Software Engineering - ODSP

Santa Clara or Westlake Village

$155k-$232k/yr OnsiteFull Time

Marvell TechnologyNASDAQ: MRVL: Designs and manufactures semiconductor solutions for data infrastructure.

10+ YOE2+ Mgmt10+ years embedded C/C++ firmware development; SW Team Lead experience; architecture and testing leadership; DSP/embedded SoC knowledge; strong English communication; experience with revision control and defect tracking.

C, C++, Python, Git, Linux, Makefiles, GDB, IDEs, bash, Verilog

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Sr. SDET Automation Engineer

Santa Clara or Bellevue

$140k-$165k/yr HybridFull Time

YubicoNasdaq Stockholm: YUBICO: Sells hardware security keys for secure multi-factor authentication.

5+ YOE5+ years SDET experience; automated and manual testing; strong test automation for software/hardware; UI/API/CI/CD; programming in C#, C++, Python.

Appium, Selenium, Playwright, Postman, REST Assured, C#, C++, Python, CI/CD

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Intern, Software Engineering

Fremont, California, United States

$34-$41/hr OnsiteFull Time

CoherentNYSE: COHR: Manufacturer of engineered materials, networking components, and laser systems.

Pursuing a Bachelor's or master's degree in CS, electrical engineering, computer engineering, or embedded systems; Python for test automation; hardware interfacing knowledge; Git; C/C++/C# familiarity; strong documentation and communication.

Python, Git, C, C++, C#

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AI Engineer, Developer Ecosystem

San Francisco or United States

HybridFull Time

StackOne: Unified API gateway for SaaS and AI agent integrations.

Ship production-grade agents; deep MCP/tool-calling fluency; built plugins/skills; design evals and benchmarks; sandboxes for testing; context optimization; read/apply AI research; TypeScript and/or Python.

TypeScript, Python

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Product Application Engineer Intern

San Jose, California, United States

$35-$45/hr OnsiteInternship

SK hynix Memory Solutions AmericaKorea Exchange: 000660: Develops semiconductor controllers and firmware for enterprise data storage.

0+ YOEBachelor’s degree in Electrical/Computer Engineering or related field; strong programming (Python, C/C++); experience with software testing or automation; good analytical and communication skills.

Python, C/C++, Linux, Windows, PCIe NVMe

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Principal Software Quality Engineer – GPU & Machine Learning

San Jose, California, United States

$184k-$316k/yr OnsiteFull Time

AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.

Senior QA leader for GPU/ML software with ML/gpu testing, automation, and cross-team collaboration.

Python, C, C++, CUDA, TensorFlow, PyTorch, Keras, ONNX, Linux, Windows, CI/CD

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Senior Developer (Palo Alto, CA, US, 94304)

Palo Alto, California, United States

$146k-$222k/yr HybridFull Time

SAPFrankfurt Stock Exchange: SAP: Sells enterprise resource planning and business management software solutions.

4+ YOEBachelor's or foreign equiv in CS/Software Eng or related field; 4-6 years progressive experience. Java, Shell Script, Python; building microservices with Java/Spring Boot; collaboration with PM/UX/QA; design, implement, test features.

Java, Shell Script, Python, Spring Boot, J2EE

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Senior Fullstack Engineer, Care Delivery

San Francisco or Palo Alto

$170k-$220k/yr HybridFull Time

Midi Health: Healthcare focused on midlife women's care.

6+ YOE6+ years in full-stack development; expert in Django/Python and React; experience building operational/workflow systems; ownership mindset; automated testing, CI, code quality; mentoring experience.

Django, Python, React

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Senior Machine Learning Engineer, AI Platform

San Francisco or New York

$160k-$235k/yr HybridFull Time

Affinity: AI-powered CRM for private equity and venture capital firms.

5+ YOE5+ years in software engineering/ML; experience building ranking/recommendation systems at scale; Python; ML frameworks; model deployment/observability; vector/graph databases; observability and A/B testing.

Python, PyTorch, Scikit-learn, vector databases, graph databases, OCR

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Lead QA Engineer

San Francisco, California, United States

$160k-$185k/yr HybridFull Time

LendingClubNYSE: LC: Digital marketplace bank providing personal loans and banking services.

8+ YOE8+ years of test automation experience; Bachelor's degree in Computer Science or related field (or equivalent); experience with Java, JavaScript, Python; CI/CD; API testing; SQL; distributed systems; strong communication.

Java, JavaScript, Python, SQL, REST, CI/CD, Web services, Test frameworks

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QA Automation Engineer

San Francisco, California, United States

$130k-$150k/yr HybridFull Time

BackOps AI: AI-powered platform automating logistics and supply chain workflows

Senior QA Automation Engineer with UI, API testing, and CI/CD experience; Selenium/Playwright; Python/Java; AWS; TestRail/Zephyr familiarity.

Selenium, Playwright, Python, Java, Postman, REST Assured, Jenkins, GitHub Actions, GitLab CI, AWS, TestRail, Zephyr, JMeter, Gatling

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Senior Fullstack Engineer, Care Delivery

San Francisco or Palo Alto

$170k-$220k/yr HybridFull Time

Midi Health: Virtual medical care for women navigating midlife and menopause.

6+ YOE6+ years of experience; expert in Django/Python and React.js; experience with operational/workflow systems; proactive ownership; automation/testing; mentoring; collaborative mindset.

Django, Python, React

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Agent Engineer

San Francisco, California, United States

OnsiteFull Time

Arcade: Design and buy custom physical products using generative AI.

Software engineer with hands-on experience in AI-agent features, prompt/tool chains, or agentic systems; strong background in LLMs and agent frameworks; strong reliability and speed focus; experienced with evaluation, A/B testing, and end-to-end ownership.

Python, TypeScript, LLMs, Vector databases, Agent frameworks

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Technical lead - Staff Software Quality Engineer

Palo Alto, California, United States

$120k-$192k/yr OnsiteFull Time

BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.

8+ YOE6+ years in networking/security/cloud tech; 6 years Python/YAML/Bash; 4 years virtualization (vSphere); firewall/security experience; REST APIs; strong testing, CI/CD, distributed systems; Bachelor with 8+ yrs or Master with 6+ yrs.

Python, YAML, Bash, Pytest, vSphere, Ixia Cyperf, TRex, Iperf, Wireshark, tcpdump, REST APIs, VMware, AWS, Azure, GCP

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Embedded Validation & Tools Engineer - OTA

Palo Alto, California, United States

$140k-$170k/yr OnsiteFull Time

ALSO: Manufacturer of vertically integrated small electric vehicles and e-bikes.

5+ YOE5+ years validating embedded devices and firmware updates; strong Python; C/C++; embedded Linux/RTOS; CI/testing; hardware debugging; OTA, security, networking.

Python, C/C++, Linux, RTOS, CI tools, Jenkins, GitLab CI, CircleCI, Wireshark, JTAG, serial, UART, CAN, MQTT, HTTP(S), CoAP, Docker, QEMU

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Application Engineer

San Jose, California, United States

OnsiteFull Time

AdvantestTokyo Stock Exchange: 6857: Manufacturer of automated test systems for the semiconductor industry.

5+ YOEMaster or bachelor in engineering; 5+ years experience; Java/C++ and scripting; IC test/Applications experience; customer interaction; travel ~20%

Java, C, C++, Python, Perl, SmarTest

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Staff Engineer, DevOps (R4666)

San Diego or Dallas or Boston or Washington or San Francisco or United States

$150k-$220k/yr OnsiteFull Time

Shield AI: Develops autonomous AI-powered aircraft and pilot software for defense.

7+ YOELead DevOps across CI/CD, automation; 7+ years experience; strong CI/CD tools; containerization; scripting; test integration; reliability at scale.

Azure DevOps, Jenkins, GitHub Actions, Docker, Kubernetes, Python, Bash, PowerShell, Terraform, Ansible, Grafana, Prometheus

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QA Engineer

Santa Clara, California, United States

OnsiteFull Time

NICENASDAQ: NICE: Provides AI-powered software for customer engagement and financial compliance.

3+ YOE3+ years in software testing; proficient in Python, Selenium; experience with CI/CD; relational and NoSQL databases; API testing; strong SDLC knowledge.

Python, Selenium, CI/CD, Jenkins, Artifactory, MySQL, PostgreSQL, MongoDB, REST, API automation, JMeter

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Firmware Engineer

Redwood City, California, United States

OnsiteFull Time

Sunday: Developing autonomous robots to perform household chores.

3+ YOE3+ years real-time embedded software development; BS or MS in Computer or Electrical Engineering; proficient in C/C++ and Python; motor control concepts; hardware interaction and testing; experience with embedded tooling and protocols.

C/C++, Python, I2C, SPI, UART, RS-485, CAN, CAN-FD, EtherCAT, RTOS, CI/CD, HIL, FOC, PWM, Sensor interfacing

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Design Verification Engineer, Principal

Santa Clara, California, United States

$159k-$238k/yr OnsiteFull Time

MarvellNASDAQ: MRVL: Designs semiconductor solutions for data infrastructure and AI connectivity.

10+ YOE10+ years of verification and firmware/software development; SystemVerilog/UVM; test planning; scripting in Python/Perl; C/C++/ARM; Linux; networking knowledge preferred.

SystemVerilog, UVM, Python, Perl, Linux, C++, ARM assembly, EDA Verification tools

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Hardware Diagnostics Senior Infrastructure Engineer

San Jose, California, United States

$120k-$195k/yr OnsiteFull Time

Astera LabsNASDAQ: ALAB: Designs semiconductor connectivity solutions for AI and cloud infrastructure.

2+ YOE2+ years in diagnostics, hardware bring-up, test or manufacturing automation; strong debugging across hardware, firmware, and system layers; proficient in Python and C; Bachelor's in CS/CE.

Python, C, Linux

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Sr Robotic Algorithm & Controls Engineer

Santa Clara, California, United States

$125k-$201k/yr HybridFull Time

Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.

Develop, test robotic control algorithms; strong C/C++, Python; robotics fundamentals; regulated medical devices experience; travel up to 5%.

C++, Python, Matlab, ROS, Software Development

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Firmware Engineer

San Carlos, California, United States

OnsiteFull Time

Aetherflux: Beaming solar energy from space to Earth via lasers.

3+ YOE3+ years in firmware/embedded development; C/C++ for embedded; experience with microcontrollers/FPGAs; BS in Electrical/Computer Engineering or related field; hardware/software integration and testing.

C, C++, JTAG, oscilloscopes, logic analyzers, RTOS, Python, FPGAs

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Staff Product Development Engineer - ATE Content Developer

Austin or Santa Clara

$100k-$500k/yr HybridFull Time

Tenstorrent: Designs high-performance AI processors and RISC-V CPU solutions.

7+ YOE7+ years semiconductor test experience; BS/MS in EE/ECE/CE; proficient with ATE platforms and DFT/ATPG; strong coding in C/C++, Java, Python, scripting; able to debug across hardware, software, and silicon.

Advantest V93K, Teradyne UltraFlex+, SmarTest 8, SSN, STIL, WGL, Python, Perl, TCL, C++, Java

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Senior Staff Quality Engineer - S3

San Francisco, California, United States

RemoteFull Time

DataDirect Networks: Provides high-performance data storage and management solutions for AI.

12+ YOE12+ years in systems software quality engineering; strong C/C++, Python/shell scripting; Linux file system testing; test strategy ownership and leadership.

C/C++, Python, Shell, gcc, gdb, g++, git, Linux

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Senior Systems Engineer

Sunnyvale, California, United States

OnsiteFull Time

Pacific Defense: Designs and manufactures modular electronic warfare and C5ISR systems.

Experience with RF systems, waveforms, embedded software/HDL; DoD processes; programming in C/C++, Python; networking and lab testing knowledge; BS in EE/CS, MS preferred.

C, C++, Python, VHDL, Verilog, Embedded Linux, ARM, Xilinx MPSoC, IPMI, Redfish, BMC

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Robotics Engineer, Deployment & Testing - San Mateo

San Mateo, California, United States

OnsiteFull Time

Skild AI: A robotics and AI technology developing advanced robotic intelligence and software.

BS/MS in Computer Science, Robotics, Engineering or related field; proficiency in C/C++/Rust/Go and Python; real-time embedded systems; ROS/ROS2; Test Management tools; experience deploying software on real robots.

C, C++, Rust, Go, Python, ROS/ROS2, Embedded Systems, Test Management

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Senior Systems Verification & Validation Engineer

San Francisco, California, United States

$165k-$195k/yr OnsiteFull Time

Serve RoboticsNasdaq: SERV: Autonomous sidewalk robots for sustainable last-mile urban delivery.

8+ YOE8+ years in design and test of complex electromechanical/robotic systems; BS in Mechanical/Electrical/Software; hands-on test infrastructure; Python/SQL; data analysis; V&V methods; cross-functional collaboration.

Python, SQL, Unix/Linux

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Product Security Engineer

Canada or New York or San Francisco or United States

$94k-$125k/yr RemoteFull Time

Lattice: Software platform for employee performance, engagement, and talent management.

1+ YOE1–3+ years in product security or software engineering; JavaScript/TypeScript (or Python/Ruby); OWASP Top 10 familiarity; security testing tools (SAST/DAST); cloud experience (AWS).

SAST, DAST, Dependency Scanning, AWS

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Application Security Engineer

San Francisco, California, United States

$145k-$180k/yr HybridFull Time

HeartFlowNASDAQ: HTFL: Provides AI-driven non-invasive cardiac diagnostic software and analysis.

5+ YOE5+ years in software security with SDLC, hands-on testing, secure coding, SAST/DAST/CI/CD, and AI security tooling.

SAST, DAST, SCA, CI/CD, Python, C++, Claude Code, GitHub Copilot

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Senior Quality Assurance Engineer

San Francisco, California, United States

$115k-$188k/yr OnsiteFull Time

HPNYSE: HPQ: Manufactures personal computers, printers, and 3D printing hardware.

5+ YOE5+ years in software quality engineering; experience with manual and automated testing; QA methodologies; CI/CD; strong communication.

Selenium, Playwright, Python

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Senior Quality Assurance Engineer

San Francisco, California, United States

$115k-$188k/yr OnsiteFull Time

HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.

5+ YOE5+ years software quality engineering; manual and automated testing; test automation tools; QA methodologies; CI pipelines; Bachelor's in Computer Science or related field.

Selenium, Playwright, Python, GitHub Actions, Jenkins, CircleCI

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Reliability Engineer (All Levels)

San Jose, California, United States

$120k-$250k/yr OnsiteFull Time

Figure: Developing general-purpose humanoid robots for commercial and home use.

2+ YOEMinimum 2 years in reliability engineering; Bachelor's in mechanical, electrical, or materials engineering; strong hardware failure knowledge; experience with accelerated life testing and data analysis software.

Weibull++, JMP, CATIA, Altium, Ansys Sherlock, Monte Carlo simulation, Python, MATLAB, C, optical microscopy, CT/Xray, SEM/EDS, PCBA cross-sectioning

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QA Automation - Kubernetes Platform [ 8 - 14 years ]

Bangalore or San Jose or Durham or Mexico City or Bangalore or Pune or Hoofddorp or Belgrade or Barcelona or Singapore or Sydney or Tokyo

HybridFull Time

NutanixNASDAQ: NTNX: Sells cloud software and hyperconverged infrastructure for enterprises.

8+ YOESeeking a Staff QA or senior engineer with Kubernetes, Python automation, test strategy, and mentorship experience; able to design scalable test plans and collaborate across teams.

Python, Kubernetes, Test automation frameworks

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Sr. AI Engineer (24 months fixed-term)

Mountain View or United States or Canada

$138k-$172k/yr HybridFull Time

Khan Academy: Provides free online education resources and personalized learning tools.

5+ YOE5+ years in software/ML engineering; 2+ years applying AI/ML/NLP; 1+ year in education-related context; strong collaboration, testing, data analysis, and ethical AI bias mitigation.

Python, Go, Machine Learning

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Embedded SDET CO-Op

San Francisco, California, United States

$35/hr OnsiteFull Time

iRhythm TechnologiesNASDAQ: IRTC: Provides wearable heart monitors and AI-driven cardiac data analytics.

0+ YOEPursuing a Computer Science/Computer Engineering/Electrical Engineering degree or equivalent; proficient in Python; familiar with OOP; git; test automation; strong debugging and collaboration skills; 6-month duration; SF location.

Python, Git, Test Automation

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Member of Technical Staff - Full Stack

San Francisco, California, United States

OnsiteFull Time

Hyperbolic: Provides a decentralized cloud platform for GPU computing and inference.

8+ YOE8+ years full-stack experience; expert in TypeScript with Python for backend; experience with Drizzle ORM, Postgres, Vercel; CI/CD via GitHub; strong product sense; excellent communication; proven end-to-end feature shipping; experience with A/B/multivariate testing; large-scale app design and API/frontend architecture.

TypeScript, Python, Drizzle ORM, PostgreSQL, Vercel, GitHub CI/CD, Supabase, Figma, PostHog, OpenAI API, Anthropic API

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SDET - Lab Technician

Sunnyvale, California, United States

$78k-$117k/yr OnsiteFull Time

FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.

QA mindset with Android devices, Linux, scripting, lab ops, device management, and test automation.

Android, Linux, Shell, Unix, Java, Python, Jenkins, ADB, Ansible