NewQA Engineer MRtechnosoftQA EngineerSunnyvale, CA$60–$65 / hourContractorThe ideal candidate should have prior experience working at Apple and a proven track record of building scalable automation frameworks, validating complex web applications, and ensuring high software quality throughout the SDLC. We are seeking an experienced QA Engineer with strong expertise in Functional Testing, Playwright, and TypeScript to join our engineering team in the SF Bay Area.
Manufacturing Quality Engineer TrendtecManufacturing Quality EngineerSan Jose, CA$90,000–$110,000 / yearLead and document root cause analyses and develop RCCA (Root Cause and Corrective Action) reports in collaboration with customers and internal teams. Drive continuous improvement initiatives focused on reducing cost, improving process effectiveness, and enhancing product quality.
NewMechanical Design Engineer - Commercial HVAC JobotMechanical Design Engineer - Commercial HVACUnion City, CA$55–$75 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Field Integration: Provide support during construction with activities like submittal reviews, resolving RFIs, and participating in site assessments to ensure smooth project execution.
NewManufacturing Test Development Engineer JobotManufacturing Test Development EngineerSunnyvale, CA$95,000–$200,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking an experienced Manufacturing Test Development Engineer to design, develop, and deploy manufacturing test solutions for complex, high‑performance hardware systems, from PCB and PCBA through full system‑level test.
NewSr. SW Test Engineer Visa Technology and Operations LLCSr. SW Test EngineerFoster City, CA$109,700–$170,200 / yearMasters, MBA, JD, MD)Minimum 3 years hands-on development experience • Excellent verbal and written communication skills to work well across teams • Experience with Agile Methodologies, Tools (Jira, Confluence) • Experience with Unit, Acceptance, Performance, Non-functional test, Certification test lifecycle, BDD/TDD methodology • Experience testing software at API level using SOAP UI, Postman, REST Client etc. Open VisaNet leverages state of the art Open Software technologies to achieve these goals on commodity hardware, such as Go, Scala, Apache Kafka, Docker, Kubernetes, Aerospike, Elasticsearch etc. and involves collaboration with exceptional group of software engineers, systems performance engineers, security specialists, DevOps engineers, payment experts, infrastructure and solution architects.
NewFSOC Embedded Controls Engineer JobotFSOC Embedded Controls EngineerLivermore, CA$125,000–$165,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are an innovative technology company developing next-generation intelligent systems that combine advanced hardware, embedded software, and real-time controls.
NewSenior Controls Design Engineer (HVAC / Building Automation) JobotSenior Controls Design Engineer (HVAC / Building Automation)San Jose, CA$120,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role blends hands-on system design with mentorship, helping guide junior engineers while collaborating across project teams to deliver high-performance HVAC control solutions.
NewQuant Engineer JobotQuant EngineerSan Francisco, CA$300,000–$375,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our platform transforms complex and fragmented market information into actionable pricing and investment intelligence for leading asset managers, investment banks, venture funds, and other sophisticated financial institutions.
NewProject Engineer-HVAC JobotProject Engineer-HVACSan Jose, CA$100,000–$180,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be responsible for managing a variety of commercial plumbing projects from start to finish, ensuring they are completed on time and within budget.
NewSenior AI Engineer JobotSenior AI EngineerSan Francisco, CA$225,000–$280,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The product sits at the intersection of AI, automation, and real world impact, using LLMs and agentic systems to replace hours or weeks of manual work with intelligent, scalable software.
NewSoftware Development Engineer JobotSoftware Development EngineerHillsborough, CA$65–$80 / hourDevelopers at this level are building greater independence, taking ownership of small to medium-sized work items, and strengthening their core engineering skills across multiple application layers, including user interfaces, services, APIs, and data. Our teams include professionals across software engineering, product development, clinical informatics, research, and healthcare technology who share a commitment to reducing complexity and improving outcomes for patients and providers.
NewFounding Full Stack Engineer JobotFounding Full Stack EngineerMountain View, CA$160,000–$200,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Take end-to-end ownership of major platform components, including: Front End – Build modern interfaces using React/Next.js, JavaScript, TypeScript, and HTML5.
Production Specialist/Engineer II Pinnacle Technical ResourcesProduction Specialist/Engineer IICupertino,, California$50–$60 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Strong listening skills with the ability to interpret requests from creative and production teams, asking thoughtful clarifying questions when needed.
NewDesign verification engineer RD solutionsDesign verification engineerSan Jose, CAFull timemost critical and large-scale challenges across the aerospace & defense, automotive, energy, hi-tech, healthcare, medical devices, rail and semiconductor industries. meaningful work and be part of an organization that truly believes when you win, we all win, and when you fail, we all learn, then we’re eager to hear from you.
NewGeotechnical Engineer JobotGeotechnical EngineerFremont, CA$125,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. With over 40 years of being in business, we are a full-service geotechnical firm that is owned and staffed by professional engineers, geologists, field technicians, and special inspectors!
NewHVAC Mechanical Engineer/Designer JobotHVAC Mechanical Engineer/DesignerMilpitas, CA$100,000–$140,000 / yearKnown for consistently delivering projects on time and within budget, the firm fosters a supportive environment where engineers have the opportunity to contribute meaningfully, expand their technical expertise, and work alongside industry veterans on challenging and rewarding projects. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewProject Engineer - Commercial HVAC JobotProject Engineer - Commercial HVACAlameda, CA$95,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. actual performance, preparing and tracking submittals, coordinating pre‑construction handoffs with field and estimating teams, and contributing to business development, estimating, bidding, and project negotiations as required.
NewEmbedded Android Software Engineer JobotEmbedded Android Software EngineerSan Francisco, CA$120,000–$250,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. A global technology design and engineering company that develops connected products and embedded systems for leading international brands.
NewLead Software Engineer Visa Technology and Operations LLCLead Software EngineerFoster City, CA$192,300–$307,600 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Essential Functions Provide deep technical leadership within Shared Services Product Development, with a strong understanding of how shared platforms enable downstream product innovation.
Test Engineer III Pinnacle Technical ResourcesTest Engineer IIICupertino,, California$65–$70 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
Mechanical Engineer III Pinnacle Technical ResourcesMechanical Engineer IIICupertino,, California$60–$65 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Provide design and tradeoff guidance to Product Design teams through early-stage simulations, particularly for fast charging and high-power functions.
Data Engineer - Sr. Consultant level Visa Technology and Operations LLCData Engineer - Sr. Consultant levelFoster City, CA$169,100–$270,800 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Masters, MBA, JD, MD) or 2 years of work experience with a PhD Preferred Qualifications • 9 or more years of relevant work experience with a Bachelor Degree or 7 or more relevant years of experience with an Advanced Degree (e.g.
Software Engineer V Pinnacle Technical ResourcesSoftware Engineer VCupertino,, California$120–$130 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Client is seeking an enthusiastic software engineer to help design, implement, and optimize new animations for our custom animation rendering engine.
Staff Software Engineer Visa Technology and Operations LLCStaff Software EngineerFoster City, CA$146,200–$233,700 / yearMasters, MBA, JD, MD) or 0 years of work experience with a PhD Preferred Qualifications • Experience with AI frameworks, LLMs, or generative AI (Claude, GPT, LangChain, etc.) • Knowledge of AI-powered development tools or building AI-enabled applications • Experience applying AI to engineering challenges or customer-facing features • Understanding of commercial payments, money movement, B2B payables, or payment processing • Experience with cloud platforms, microservices, and containerization (Docker, Kubernetes) • Knowledge of API design, integration patterns, and distributed systems • Familiarity with observability, monitoring, or DevOps practices. As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base.
Photonics/ AR Process Integration Engineer APPLIED MATERIALSPhotonics/ AR Process Integration EngineerSanta Clara, CA$147,000–$202,500 / yearAs a Process Integration Engineer, you will be responsible for developing and optimizing nanotechnology process flows on various substrates, ensuring the performance, yield, and reliability of novel photonics devices including Augmented Reality displays. If you would like to contact us regarding accessibility of our website or need assistance completing the application process, please contact us via e-mail at Accommodations_Program@amat.com, or by calling our HR Direct Help Line at 877-612-7547, option 1, and following the prompts to speak to an HR Advisor.
NewSenior Principal Engineer- End-to-End AI Training Framework Bosch Group IncSenior Principal Engineer- End-to-End AI Training FrameworkSunnyvale, CA$240,000–$320,000 / yearAs the Senior Principal Engineer, E2E AI Training Framework for Autonomous Driving Systems, you will spearhead the development and optimization of the machinery that efficiently trains, optimizes, tests, and releases various E2E AI-based products (e.g. The ideal candidate must have prior industry experience in releasing AI-based L2+ systems, with a proven track record of translating innovative research into production-grade solutions.
NewSystems Engineer II Pinnacle Technical ResourcesSystems Engineer IISunnyvale,, CaliforniaContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Key Responsibilitie s • 2-3 years of hardware and software experience • Provide remote and in-person technical support to data collection sites — debugging capture rigs, network issues, and pipeline failures.
Staff Software Engineer, Crypto Program Visa Technology and Operations LLCStaff Software Engineer, Crypto ProgramFoster City, CA$146,200–$233,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base.
NewSoftware Engineer - Sr Consultant level Visa Technology and Operations LLCSoftware Engineer - Sr Consultant levelFoster City, CA$169,100–$270,800 / yearYou will work on innovative solutions that combine deep technical expertise with AI/ML capabilities to enhance developer productivity, improve customer experiences, and drive next-generation commercial payment and money movement technology for B2B, B2C, P2P, and G2C flows. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
NewStaff Data Engineer Visa Technology and Operations LLCStaff Data EngineerFoster City, CA$146,200–$233,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.
Product Design Engineer (III) Pinnacle Technical ResourcesProduct Design Engineer (III)Mountain View, California$95–$105 / hourContractorDemonstrate deep technical knowledge in multiple areas to deliver high-quality and reliable mass-production user or consumer products (e.g., sheet metal, machining, anodization, injection molding, coatings, raw materials, packaging, thermals, FEA). As a Product Design Engineer, you are considered a go-to expert in one area within Product Design, demonstrating engineering expertise through user- or consumer-focused product influence in multiple cross-functional areas.
Senior DFx Mechanical Engineer APPLIED MATERIALSSenior DFx Mechanical EngineerSanta Clara, CA$133,500–$183,500 / yearPerforms virtual review of highly complex assembly/module 3D models and review of initial physical builds to identify and eliminate aesthetic issues (cable routing, color, consistency of mating features/surfaces, etc). If you would like to contact us regarding accessibility of our website or need assistance completing the application process, please contact us via e-mail at Accommodations_Program@amat.com, or by calling our HR Direct Help Line at 877-612-7547, option 1, and following the prompts to speak to an HR Advisor.
Global Product Support (GPS) Engineer III APPLIED MATERIALSGlobal Product Support (GPS) Engineer IIISanta Clara, CA$124,000–$171,000 / yearIf you would like to contact us regarding accessibility of our website or need assistance completing the application process, please contact us via e-mail at Accommodations_Program@amat.com, or by calling our HR Direct Help Line at 877-612-7547, option 1, and following the prompts to speak to an HR Advisor. YesThe salary offered to a selected candidate will be based on multiple factors including location, hire grade, job-related knowledge, skills, experience, and with consideration of internal equity of our current team members.
NewSoftware Engineer Visa Technology and Operations LLCSoftware EngineerFoster City, CA$97,800–$152,100 / yearBasic Qualifications • Bachelor's degree, OR 3+ years of relevant work experience Preferred Qualifications • Bachelor’s degree in Computer Science, Computer Information Systems, Computer Engineering, or closely related field and 2 years of experience in the job offered or in a software engineer-related occupation. Join our dynamic Visa Cybersecurity – Product Security Engineering team, a key component of Visa's Technology organization, where you will play a crucial role in securing and innovating Visa's products and services.
Data Engineer II Pinnacle Technical ResourcesData Engineer IISunnyvale,, CaliforniaContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The ideal candidate will be responsible for designing, building, and maintaining scalable data pipelines and systems to support our organization's data needs.
NewDFT Engineer (Design for Test) Plugins IncDFT Engineer (Design for Test)Santa Clara, CAContractorFull timeIn this role, you will be responsible for designing and implementing Design-for-Test (DFT) solutions that ensure high manufacturing quality, test coverage, and efficient production testing for complex semiconductor devices. We are seeking an experienced DFT Engineer to join a high-performing ASIC/SoC engineering team.
NewSystem Performance Engineer -Nor Cal Communication Technology Services IncSystem Performance Engineer -Nor CalLivermore, CA$80,000–$100,000 / yearCommunication Technology Services (CTS) is one of the largest integrators and managed service providers for enterprise cellular networks in the U.S. providing custom, carrier-grade in-building and campus connectivity solutions for Enterprises, Public Sector and Mobile Network Operators, solving and managing the most complex networking challenges. 35-year-old company and the leading Enterprise cellular connectivity solution in the U.S. Majority-owned by Astra Capital, a nationally certified Minority Business Entity (MBE).
NewCommercial Construction Project Engineer HITT ContractingCommercial Construction Project EngineerSanta Clara, CA$85,000–$90,000 / yearMaster required job-specific and technical skills in order to promote to an assistant superintendent or assistant project manager following the 12-month training program including, but not limited to, the ability to: Set up and maintain jobsite office and all jobsite records, including project directory, construction documents, subcontractor directory, daily reports, submittal logs, RFI logs, subcontractor correspondence, etc. Ability to learn sector- and project-specific software systems, including but not limited to: Microsoft Office 365 (Project, Excel, Word, Outlook, PowerPoint, etc.), ProCore, Adobe Suite, BlueBeam, and JD Edwards software suite.
Sr. Business Intelligence Engineer - Digital Experiences & Capabilities Visa Technology and Operations LLCSr. Business Intelligence Engineer - Digital Experiences & CapabilitiesSan Francisco, CA$180,600–$289,300 / year7+ years of experience in Database management, Big Data Engineering and Data Analytics • Proven track record in designing and implementing scalable, flexible data models that support evolving business and analytical needs. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Principal Software Engineer - CoreAI MicrosoftPrincipal Software Engineer - CoreAIMountain View, CA$139,900–$274,800 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
NewProject Engineer III JouléProject Engineer IIIFremont, CA$90–$100 / hourTechnical Analysis: including process system and technology plant fits, capacity and equipment utilization, value engineering, sustainable design, constructability and assessment of applicable new technologies to balance performance, cost and maintainability. The ideal candidate will bring strong technical expertise in GMP manufacturing environments, hands-on process equipment experience, and proven project leadership capabilities within biopharmaceutical operations.
Embedded Software Engineer CollaberaEmbedded Software EngineerPalo Alto$55–$60 / hourTemporaryContractorBuild and scale the company’s in-house telecom design capabilities by delivering high-quality infrastructure designs across telecom, network, security, and AV systems. 5+ years of professional software development experience using application layer languages in either Golang, C/C++ or Rust o Ideal is embedded Linux with strong Golang.
NewHardware Engineer BC ForwardHardware EngineerSunnyvale, CAFull timeThe ideal candidate will have strong experience in electronic hardware design, bring-up, and validation and a proven ability to execute structured test plans, document results, and partner cross-functionally to meet program milestones . With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
Electrical Engineer V BC ForwardElectrical Engineer VBurlingame, CA$61–$65 / yearFull timeThe ideal candidate will have strong experience in RF hardware design, RF simulation, and RF system validation and a proven ability to deliver robust RF designs, optimize performance, and resolve complex RF issues across component, board, and system levels. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
Senior iOS Engineer BC ForwardSenior iOS EngineerSan Francisco, CA$71–$71.59 / hourFull timeThe ideal candidate will have strong experience in native iOS development, iOS frameworks, and SDK integrations and a proven ability to design, build, optimize, and publish performant iOS applications. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
Full Stack Developer (Angular, C#) Kforce Inc.Full Stack Developer (Angular, C#)Palo Alto, CA$60–$70Kforce has a client in Palo Alto, CA is looking for a Senior Full Stack Software Engineer to help design, develop, and support enterprise software that drives critical business operations. Summary: In this role, you will work closely with Product Managers, business stakeholders, QA teams, and fellow engineers to deliver high-quality solutions across the full technology stack.
Senior QA Engineer ZipHQ IncSenior QA EngineerSan Francisco, CA$157,250–$194,250 / yearYou have a strong automation-first instinct and the technical depth to build it: you write Playwright tests in TypeScript the way an engineer writes production code - with care, structure, and an eye toward maintainability. Own product quality OKRs in partnership with the EPD team - staying ahead of customer-reported issues by analyzing failure patterns, improving test coverage, and surfacing regressions before they reach production.
Senior QA Engineer - Performance & Reliability Axiado CorpSenior QA Engineer - Performance & ReliabilitySan Jose, CA$80,000–$200,000 / yearAxiado has also won numerous industry awards for our ground-breaking products and technological innovations, including being named one of Fast Companys 2025 Top 10 Most Innovative Companies in Security, winning the 2025 Global InfoSec Award for Outstanding AI Security Solution, and being named a finalist for the Global Semiconductor Alliances 2025 Start-Up to Watch award. We are a fast-growing, well funded silicon, systems, and solutions company pioneering a new category of semiconductor called the Trusted Control/Compute Unit (TCU) that combines advanced hardware security, AI driven resilience and efficiency, and real-time platform management.
Senior QA Engineer, Safety RobloxSenior QA Engineer, SafetySan Mateo, CA$187,780–$223,660 / yearEvery day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. You will report to the QA Engineering Manager for Universal Apps and collaborate across the Safety organization to own end-to-end test strategies for high-stakes, 24/7 incident response systems and parent-facing safety features.
Senior Quality Assurance Engineer 9326321 Cargomatic, Inc.Senior Quality Assurance Engineer 9326321San Francisco, CA$125,000–$130,000 / yearWriting automated test scripts for UI and backend validation in React and Node.js applications using Selenium, Cypress, and Playwright; Automated testing of Android and iOS mobile applications using Appium, with scripting in Java or JavaScript; Mobile test execution using Android Studio and Xcode with real devices and emulators; Validating RESTful API functionality and integration using Postman and RestAssured; Performance and load testing using JMeter and k6 to assess system scalability under high traffic; Defect tracking and bug management using tools such as JIRA; collaborating with developers to ensure timely resolution; Integrating test automation into CI/CD workflows using Jenkins, GitHub Actions, and CircleCI; Working within Agile and Scrum frameworks to participate in sprints, reviews, and planning sessions; Creating test strategies, writing test plans, and conducting exploratory and regression testing; Writing and debugging test scripts using JavaScript and TypeScript. Conducting SQL-based data validation for backend testing; Performing cross-browser testing using tools such as BrowserStack or Sauce Labs; Documenting QA processes and supporting knowledge transfer to QA team members.