Explore 3 python test software developer jobs from 3 hiring companies in Carson, WA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Python Test Software Developer

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Python Test Software Developer Jobs

Network Optix

RadarFirst

Trimble

Hybrid

Onsite

<div class="content-intro">Network Optix (Nx) is a global powerhouse in video software development, driven by a mission to empower the creation of intelligent video-based solutions and products capable of converting video into actionable data. Over a decade in the making, the Network Optix Enterprise Video Operating System helps innovative organizations rapidly and affordably build world-class, custom-tailored, enterprise-scale video products and solutions.
Nx is headquartered in Walnut Creek, California, with additional locations in Burbank, California, Portland, Oregon, Belgrade, Serbia, Taipei, Taiwan, and regional teams distributed across the globe. Recognized on the Inc 5000 Fastest Growing Companies list for 9 years running, we are committed to expanding our teams cross-functionally and globally.
Network Optix aims to power the world’s most intelligent video solutions, with the ultimate goal of carving a path toward revolutionizing the landscape of video technology and transforming how we perceive the world around us.</div>Summary / Purpose of the Role
We are looking for a Senior Test Automation Engineer (SDET) to design, build, and evolve large-scale integration and end-to-end validation for complex Nx environments. This role sits within the Functional Test (FT) Automation team and focuses on expanding automated validation for desktop and mobile clients, as well as the APIs and services they interact with.
Our goal is to reduce reliance on manual validation while providing fast, reliable feedback to development teams through automated system-level testing. As a senior engineer, you will operate with a high degree of independence. You will improve test reliability, strengthen CI signal quality, identify gaps in coverage, and help move deterministic validation earlier in the development lifecycle.
You will work across virtual machines, physical devices, networking, cloud services, and rich client applications — including embedded servers, physical cameras, and desktop/mobile clients — to ensure the system behaves reliably in realistic environments and deployment topologies.
Our team values clean, robust code, curiosity, and continuous learning. We encourage experimentation, thoughtful problem solving, and collaborative improvement of our infrastructure. There is no untouchable legacy code, and every engineer has a voice in shaping our tools, frameworks, and engineering practices.
What you’ll be doing
Test Architecture &amp; Development
<ul>
<li>Design, develop, and maintain large-scale integration and end-to-end automated tests</li>
<li>Build scalable automation solutions validating desktop and mobile clients, APIs, and system interactions</li>
<li>Strengthen layer-appropriate automation (API/integration vs GUI)</li>
<li>Apply advanced test architecture and automation design patterns</li>
<li>Contribute to the evolution of the test framework and shared testing libraries</li>
<li>Identify gaps in automated coverage and areas of regression risk</li>
<li>Apply risk-based thinking to prioritize automation work</li>
<li>Reduce over-reliance on brittle GUI automation by strengthening lower-level validation</li>
<li>Proactively propose improvements that increase framework scalability, reliability, and maintainability</li>
</ul>
System &amp; Environment Automation
<ul>
<li>Create and manage virtual environments (Windows, Ubuntu)</li>
<li>Automate testing for desktop and mobile clients across virtualized environments</li>
<li>Configure Windows and Linux systems for automated testing</li>
<li>Automate desktop and mobile GUI using Qt-based tools</li>
<li>Continuously improve test infrastructure to make it robust, fast, and scalable</li>
</ul>
 CI Signal &amp; Test Reliability
<ul>
<li>Ensure automated tests provide fast, trustworthy CI feedback</li>
<li>Optimize test execution to improve feedback cycles and build reliability</li>
<li>Investigate and systematically reduce test flakiness</li>
<li>Improve pre-commit, smoke, and regression gating</li>
<li>Partner with developers to distinguish product defects from test instability</li>
<li>Contribute to reducing defect leakage into production</li>
<li>Improve infrastructure scalability to support faster test execution and larger coverage</li>
</ul>
Diagnostics &amp; Root Cause Analysis
<ul>
<li>Investigate failures using logs, dumps, and backtraces</li>
<li>Use tools like strace and procmon to dig into system-level issues</li>
<li>Analyze failures across different OS environments</li>
<li>Collaborate with developers and teammates to identify root causes</li>
<li>Communicate findings clearly, with actionable next steps</li>
</ul>
Engineering Quality
<ul>
<li>Write clean, readable, and maintainable Python code (3.10+)</li>
<li>Maintain professional Git history</li>
<li>Participate in strict code reviews and design discussions</li>
<li>Contribute to long-term framework evolution and infrastructure improvements</li>
<li>Develop reusable testing utilities and shared automation libraries</li>
<li>Mentor junior engineers and promote automation best practices across the team</li>
<li>Support continuous improvement of engineering standards and testing practices</li>
</ul>
 What we’re looking for
Core Experience
<ul>
<li>5+ years of commercial experience in software development or test automation</li>
<li>Expert-level Python proficiency</li>
<li>Strong computer science fundamentals</li>
<li>Extensive experience automating tests in virtualized environments</li>
<li>Experience testing desktop and mobile client applications</li>
<li>Deep knowledge of test architecture and scalable automation frameworks</li>
<li>Experience integrating automated tests into CI/CD pipelines</li>
<li>Strong troubleshooting skills using logs, dumps, and system diagnostics</li>
<li>Cross-platform experience (Windows and Linux)</li>
<li>Experience optimizing test execution for fast feedback cycles</li>
<li>Strong Git and version control workflows</li>
</ul>
Systems &amp; Environment
<ul>
<li>Experience with VM environments and system automation</li>
<li>Understanding of networking fundamentals</li>
<li>Experience validating rich client applications</li>
<li>Familiarity with containerization or virtualization tools (e.g., Docker)</li>
<li>Experience with cloud services, embedded devices, or hardware-integrated systems is a plus</li>
</ul>
Nice to Have
<ul>
<li>Experience improving test flakiness at scale</li>
<li>Experience with modern web automation tools</li>
<li>Familiarity with performance testing for desktop or mobile applications</li>
<li>Experience developing shared testing libraries or frameworks</li>
<li>Software design and architecture, Windows/Linux administration, network or system programming</li>
<li>Familiarity with AI-assisted testing tools</li>
</ul>
Behavioral Expectations &amp; Culture We value engineers who are curious, collaborative, and proactive. As part of our team, you will:
<ul>
<li>Take ownership of complex technical problems from investigation to resolution</li>
<li>Operate independently while sharing knowledge and helping teammates</li>
<li>Approach difficult issues methodically, digging into logs, dumps, and system traces</li>
<li>Make pragmatic, risk-based decisions that balance stability, coverage, and speed</li>
<li>Communicate root causes, impact, and next steps clearly</li>
<li>Contribute to team culture by mentoring colleagues, reviewing code, and improving processes</li>
<li>Value robust solutions over quick fixes and understand that reliability is a shared responsibility</li>
</ul>
 What Success Looks Like
<ul>
<li>Significantly increasing automated test coverage for desktop and mobile applications</li>
<li>Improving test stability and reducing flaky tests</li>
<li>Providing faster, more reliable feedback through CI</li>
<li>Increasing build reliability and reducing defect leakage into production</li>
<li>Scaling the automation framework to support growing product complexity</li>
<li>Helping development teams ship high-quality releases faster</li>
</ul>
 What we offer
<ul>
<li>Competitive compensation &nbsp;</li>
<li>Paid time off</li>
<li>Flexible working hours</li>
<li>Employer-sponsored health coverage</li>
<li>Working with top industry experts in our international team</li>
</ul>
Hybrid or Remote The position is ideally a hybrid role and the office is located in Burbank, CA. We will also consider candidates in Walnut Creek, CA and Portland, OR. We will also consider fully remote format.
Please note:&nbsp;We do not accept unsolicited resumes from third-party recruiters or staffing agencies. Any unsolicited resumes sent to our employees or submitted to our careers page or job postings without a formal agreement in place will be considered property of Network Optix, and no fees will be paid in the event that candidate is hired by the company.<div class="content-pay-transparency"><div class="pay-input"><div class="title">Base pay range</div><div class="pay-range">$150,000&mdash;$180,000 USD</div></div></div><div class="content-conclusion">Network Optix is an equal opportunity employer committed to diversity and inclusion in the workplace. We celebrate the diversity of our workforce, which includes people of all cultural, national, racial, gender identities, and those who have served in the military. We strive for an environment where creativity and collaborative growth thrive. If you have a disability or special need that requires accommodation, please let us know.&nbsp;
<a href="https://www.networkoptix.com/ccpa-disclosure-notice">CCPA disclosure notice</a></div>

Senior Test Automation Engineer, Python

Senior Test Automation Engineer

5+ years in software development or test automation; expert Python; experience automating tests in virtualized environments; cross-platform desktop/mobile testing; CI/CD integration; strong troubleshooting.

We are seeking a Lead Software Development Engineer in Test (Lead SDET) to architect and evolve our quality engineering strategy in today’s AI-driven development landscape. This role is ideal for engineers who thrive at the intersection of test automation, modern tooling, and applied AI — delivering reliable, scalable, and maintainable quality systems that keep product velocity high while reducing risk.
As a Lead SDET, you’ll own and advance our automated testing frameworks, introduce responsible AI-assisted QA practices, mentor engineers across the organization, and raise overall testing maturity across functional, performance, security, accessibility, and AI-enabled product capabilities.
This position can be based out of our HQ in Portland, OR, or remote from anywhere in the U.S.
Essential Responsibilities &amp; Duties:
AI-Driven QA Strategy &amp; Framework Ownership
<ul>
<ul>
<li>Own and evolve the organization’s automated testing framework and QA tooling ecosystem.</li>
<li>Define and standardize best practices for AI-assisted test case generation, test data generation, and coverage discovery.</li>
<li>Establish responsible AI guardrails for QA (validation, hallucination mitigation, structured outputs, and review standards).</li>
<li>Implement intelligent test selection and regression analysis to reduce cycle time without increasing risk.</li>
<li>Ensure AI-augmented tests remain deterministic, maintainable, and production-ready.</li>
</ul>
</ul>
Test Architecture &amp; Automation Excellence
<ul>
<ul>
<li>Architect scalable automation across unit, integration, API, UI, contract, performance, and security testing.</li>
<li>Champion modern testing principles (test pyramid / risk-based testing) and ensure each layer of the stack is appropriately tested.</li>
<li>Integrate automation into CI/CD with enforceable quality gates and release readiness criteria.</li>
<li>Lead root-cause analysis for systemic quality issues and recurring defects.</li>
</ul>
</ul>
AI System Testing &amp; Evaluation
<ul>
<ul>
<li>Design evaluation frameworks for AI-assisted features (ground-truth testing, deterministic validation, and prompt robustness).</li>
<li>Implement measurable quality metrics (regression consistency, precision/recall where applicable, drift detection).</li>
<li>Introduce traceability mechanisms for AI outputs including logging and version-aware regression suites.</li>
<li>Ensure human-in-the-loop validation is implemented where appropriate.</li>
</ul>
</ul>
Mentorship &amp; Engineering Enablement
<ul>
<ul>
<li>Mentor engineers in modern automation practices and AI-augmented workflows.</li>
<li>Train teams on effective prompt engineering for QA use cases and validation of AI-generated test assets.</li>
<li>Establish review standards for AI-assisted code contributions.</li>
</ul>
</ul>
Quality Governance &amp; Continuous Improvement
<ul>
<ul>
<li>Define and track KPIs such as defect escape rate, automation coverage by risk, and test stability index.</li>
<li>Provide data-backed release readiness recommendations including Go/No-Go guidance.</li>
<li>Continuously audit automation ROI and retire low-value tests.</li>
</ul>
</ul>
Cross-Functional Partnership
<ul>
<ul>
<li>Partner with Engineering, Product, Security, and DevOps to embed quality early and drive shift-left testing.</li>
<li>Represent quality in architectural discussions and influence roadmaps.</li>
<li>Ensure accessibility, security, and privacy testing practices are integrated into the SDLC.</li>
</ul>
</ul>
Qualifications:
<ul>
<li>8+ years of experience in software quality engineering, test automation, or SDET roles.</li>
<li>3+ years leading automation strategy or serving as a senior technical QA authority.</li>
<li>Hands-on experience using AI tools for test generation, refactoring, and automation maintenance.</li>
<li>Experience evaluating LLM-based systems (prompt robustness, structured outputs, drift detection, and versioned regression suites).</li>
<li>Strong proficiency in at least one programming language (TypeScript, Java, Python, etc.) and modern test frameworks (e.g., Playwright, Cypress, Selenium).</li>
<li>Demonstrated experience designing, maintaining, and scaling test automation frameworks and CI/CD quality gates.</li>
<li>Strong understanding of distributed systems, HTTP lifecycle, and database querying (SQL/NoSQL).</li>
<li>Experience mentoring engineers and leading quality initiatives with measurable outcomes.</li>
<li>Working knowledge of secure testing practices (OWASP Top 10) and performance testing strategy.</li>
</ul>
Research shows that people who identify as being from underrepresented groups are more likely to doubt the strength of their qualifications, so we encourage you to submit an application if you're interested in this role despite any reservations you may have about your background or skill set.
What is Nice to Have:
<ul>
<li>Familiarity with compliance, privacy, or regulated industry SaaS environments.</li>
<li>Experience implementing performance/load testing strategies.</li>
<li>Experience with accessibility testing strategy and tooling.</li>
</ul>
Who We Are
At RadarFirst, our mission is to make regulatory risk and data privacy simple, actionable, and sustainable.
We’re transforming how organizations handle incidents and compliance with automated, purpose-built SaaS solutions. Recognized as pioneers in privacy, we’ve earned patents, industry awards, and the confidence of some of the world’s most highly regulated industries, from healthcare and insurance to finance and beyond.
Our Values
Respect &amp; Candor
Inclusion &amp; Innovation
Integrity &amp; Empathy
Why Join RadarFirst?
At RadarFirst, our team is filled with smart, thoughtful, and forward-thinking contributors who are experts at what they do.&nbsp; Our culture of innovation and trust is paramount to our success. We work hard, but we also encourage and support a healthy work/life balance. We offer a generous package of benefits and perks that make RadarFirst a great place to work, including:
<ul>
<li>Comprehensive benefits that include medical and dental, 401k, Life and Disability insurance, generous flexible time off policy, paid holiday time, and 12 weeks paid parental leave. Plus flexible spending accounts for medical, dependent care, and commuter expenses</li>
</ul>
<ul>
<li>Community outreach programs to encourage giving back to our community both as a group and individually</li>
</ul>
<ul>
<li>Commitment to anti-racism work and accountability to our short-term and long-term equity &amp; inclusion action plan</li>
</ul>
RadarFirst is a community-first organization, operating on a hybrid model. We actively support all employees working in the way they need. For those who wish to work from the office, these are some features of our downtown Portland office:
<ul>
<li>On-site amenities such as indoor bike racks, showers, lockers, and gym facilities</li>
<li>Casual work environment in an ideal central location, close to great food, shopping, and transportation options</li>
</ul>
This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.
&nbsp;
The salary range for this role is $130,000 – $145,000 annually.
&nbsp;#LI-REMOTE

Lead Software Development Engineer in Test

8+ years in software quality engineering or SDET roles; 3+ years leading automation strategy; experience with AI tools for test generation; strong coding in TypeScript/Java/Python; CI/CD and QA governance.

<h2>Elevate AI-Driven Software Quality as our next Quality Assurance Engineer III!</h2>Ready to make a tangible impact on global industries using cutting-edge AI? Trimble is seeking a passionate problem-solver to join our high-growth environment. You will play a critical role in ensuring the excellence of our B2B SaaS web and mobile applications, working within a collaborative team that values intellectual humility and relentless innovation to transform how the world works. You will be building a culture where AI-powered tools are fundamental to our workflow, enabling us to innovate faster.About Us:Trimble is a global technology company that connects the physical and digital worlds, transforming the ways work gets done. With relentless innovation in precise positioning, modeling and data analytics, Trimble enables essential industries including construction, geospatial and transportation. Whether it&#39;s helping customers build and maintain infrastructure, design and construct buildings, optimize global supply chains or map the world, Trimble is at the forefront, driving productivity and progress.Corporate: Trimble empowers customers to drive productivity and progress with connected hardware and software solutions.  AECO: The Trimble AECO segment provides digital construction solutions that increase precision and productivity for Architecture, Engineering, Construction, and Operations.What Makes This Role Great:In this role, you will be at the forefront of the full software development life cycle, directly influencing the quality of products that connect the physical and digital worlds. You will have the unique opportunity to shape the future of industrial technology by mastering both manual and automated testing across web and mobile platforms in a truly distributed, agile environment and evangelize new automation techniques while leveraging AI-powered development tools to accelerate software release cycles.Key Exciting Responsibilities<ul><li>Accelerate with AI: Actively leverage AI-powered development tools like GitHub Copilot to enhance code quality and automate routine tasks.</li><li>Spearhead the full life cycle of software development activities, including new product releases, functional enhancements, and performance improvements.</li><li>Execute sophisticated exploratory tests using a blend of manual and automated techniques to ensure flawless feature delivery.</li><li>Proactively identify and track software defects while staying informed about the latest best practices in Software Engineering.</li><li>Collaborate with a distributed core team to provide transparent communication on project status, risks, and innovative solutions.</li><li>Own the quality of mobile and web applications by participating in technical reviews and driving continuous integration efforts.</li></ul>Essential Skills &amp; Experience<ul><li>Citizenship and Location Requirement: Must be a U.S. Citizen physically located and authorized to work within the United States. This role supports U.S. Government and DoD environments and may require work to be performed on U.S. soil in accordance with FedRAMP High and DoD Impact Level 5 requirements.</li><li>Bachelor’s degree in computer science, software engineering or related field - working experience as a Software QA Engineer will be considered in place of a degree</li><li>3&#43; years of experience working in enterprise software development environments</li><li>Intermediate knowledge using software test design techniques like equivalence class, boundary value, decision table and use case testing.</li><li>Possess intellectual humility - be able to make mistakes and learn from them</li><li>Experience working with agile testing practices like BDD, test automation, exploratory testing and continuous integration.</li><li>Experience testing B2B SaaS web-based apps</li><li>Experience testing mobile apps (iOS &amp; Android)</li><li>Experience working with HTM, CSS and/or DOM</li><li>Should have experience with testing Native and Hybrid applications</li><li>Good at backward compatibility testing between different mobile OS versions</li><li>Should have hands on experience in creating automation scripts for mobile using Appium/Maui </li><li>Experience with Selenium Web-driver API, C#, or .NET</li><li>Basic White Box testing knowledge (multiple condition coverage, basis path, loop).</li><li>Experience with one or more general purpose programming languages like C#, Java, JavaScript, Python, etc.</li><li>Ability to comprehend and communicate effectively with management, other engineers, and internal and external customers.</li><li>Must be self-motivated and able to work independently and effectively in a team environment</li><li>Ability to read, analyze, and interpret complex technical documents, diagrams, data models, and process documents.</li><li>Customer focused with excellent follow through on commitments.</li><li>Experience using a variety of AI tools (Gemini, N8N, CoPilot, or similar)</li><li>Experience with AI generation of Test cases or Test Automation</li></ul>Bonus Points For<ul><li>Experience using automated tools (Cucumber, XUnit Code UI) to create new automated tests</li><li>Practical knowledge working with construction technology or experience solving complex operational challenges within the Engineering and Construction sectors.</li></ul>Why You&#39;ll Love Working With UsAt Trimble, we&#39;re not just a company that &#34;does good&#34;—we are a team dedicated to making a tangible, positive Real-World Impact. We build innovative solutions designed to solve the world&#39;s most critical challenges. From construction sites to transportation hubs, our work tangibly improves how people live, build, move, and grow.You&#39;ll work on projects that truly matter: Our purpose-driven culture means you&#39;ll be helping to build and deliver solutions that make work faster, safer, and more sustainable for millions of people worldwide. Our impact is tangible, from connected machines that save fuel to data-driven insights that reduce waste.Collaborate with like-minded people: Our strong internal culture is a &#34;hidden gem.&#34; You will work with a collaborative, supportive team that shares your purpose and fosters a genuine sense of belonging. We&#39;re a company of &#34;visionary pragmatists&#34; who think boldly and build things that work.Be an owner: Trimble thrives on individuals who take initiative and embrace ownership. You&#39;ll find an entrepreneurial spirit where success is often &#34;self-authored,&#34; empowering proactive &#34;doers.&#34;Quality Assurance Engineer, QA III, Software Testing, Automation Engineer, Appium, SaaS Testing, Mobile QA, BDD, Selenium, Agile Testing, Postman, InsomniaCompensation:  Trimble provides the following compensation range and general description of other compensation and benefits that it in good faith believes it might pay and/or offer for this position. This compensation range is based on a full time schedule. Trimble reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant’s sex or other status protected by local, state, or federal law.Hiring Range$91,100.00–$125,200.00Pay Rate TypeSalaryBonus Eligible?YesCommission Eligible?No Benefits:  Trimble offers comprehensive core benefits that include Medical, Dental, Vision, Life, Disability, Time off plans and retirement plans. Most of our businesses also offer tax savings plans for health, dependent care and commuter expenses as well as Paid Parental Leave and Employee Stock Purchase Plan. If this position is identified above as commission- or bonus-eligible, the terms of the commission plan or discretionary bonus plan for which you are eligible will be provided following the employee start date. How to Apply: Please submit an online application for this position by clicking on the ‘Apply Now’ button located in this posting. Application Deadline: Applications could be accepted until at least 30 days from the posting date.At Trimble, we are committed to fostering a diverse, inclusive, and equitable workplace where everyone can thrive. Guided by our core values—Belong, Innovate, and Grow—we embrace and celebrate differences, knowing they make us stronger and more innovative. We are proud to be an equal opportunity employer, welcoming individuals of all backgrounds and advancing opportunities while embracing race, color, gender identity, sexual orientation, religion, disability, veteran status, or any other protected and diverse characteristic. We are committed to offering our candidates and employees with disabilities or sincerely held religious beliefs the ability to seek reasonable accommodations in accordance with applicable law and/or where it would not constitute undue hardship for Trimble. For more, please see Trimble&#39;s Code of Business Conduct and Ethics at<a href="https://investor.trimble.com" target="_blank"> https://investor.trimble.com</a>, under “Corporate Governance.”Our mission to transform the way the world works starts with transforming how we work together. By actively listening, asking questions, and taking intentional actions, we cultivate a culture that provides equitable opportunities for everyone to contribute and grow.<a href="https://www.trimble.com/en/our-commitment/responsible-business/data-privacy-and-security/data-privacy-center" target="_blank">Trimble’s Privacy Policy</a>If you need assistance or would like to request an accommodation in connection with the application process, please contact AskPX&#64;px.trimble.com.

Software Development Engineer in Test

3+ years in enterprise software QA; U.S. citizen, located in the United States; Bachelor's in CS/Software Engineering or related; experience testing web/mobile B2B SaaS; automation testing; Appium/Selenium; programming in C#/Java/JavaScript/Python.

Python Test Software Developer Jobs in Carson, WA, US | HiringCafe: every job on earth

Python Test Software Developer Jobs in Carson, WA, US

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