Hire the best Integration Testing Specialists in California

Check out Integration Testing Specialists in California with the skills you need for your next job.
  • $40 hourly
    Hello! I'm an experienced QA Lead and Project Manager. With 8+ years of dedicated industry experience in Quality Assurance, I provide extensive on-demand QA services customized to suit your requirements. I strive to establish long-term partnerships and I excel at seeing the bigger business picture in projects and am proactive in offering structured and efficient enhancement ideas. With a proven track record of executing thousands of test cases for a diverse clientele, I bring a wealth of expertise to the table. I specialize in various testing domains including: - Web Apps - Mobile Apps - AI-Based Apps - Automated - Manual - UI/UX - Functionality - Performance - Compatibility - Accessibility - Performance and Load - Web Scraping - My services include a spectrum of offerings: # Staff Augmentation: Seamlessly integrating with your existing team. # Assessment and Design: Conducting a thorough assessment of your current QA strategy, identifying areas ripe for improvement and streamlining. # Automation Plan and Coverage: Designing and implementing automation strategies # Manual QA Documentation: Offering comprehensive manual testing services including the execution of test cases, user flows, API testing, and documentation. # Startup Special: Tailoring solutions for startups lacking a dedicated QA team or individual. # Test Strategy and Planning: Crafting detailed test plans that align with your project objectives to ensure comprehensive coverage and efficient QA resource utilization. ______________ Skills and Tools: Selenium, Katalon Studio and recorder, Cypress, Appium, TestComplete, Cucumber, TestRail, Xray, Postman, Postman, Swagger, JMeter, TestComplete, Browserstack automation and more Environments: Android, iOS, Web, Linux, Mac, and PC env. Test Management : Jira, Azure, Trello, Asana, Monday etc ______________ Don’t hesitate to contact me with any question you have!
    Featured Skill Integration Testing
    Web Testing
    Bug Tracking & Reports
    Project Management
    Software Testing
    Test Plan
    Test Case Design
    Regression Testing
    API Testing
    Manual Testing
    Functional Testing
    Report Writing
    End-to-End Testing
    Graphic Design
    Web Design
  • $40 hourly
    Summary 10+ years of QA testing experience with a successful track record of launching multiple products on time Excellent knowledge and hands on experience with test case development, test execution and test results analysis Hands on experience with debugging and defect tracking tools Deep understanding of software development life cycle (early concept to commercial delivery) and testing methodologies waterfall, iterative and agile Expertise in project management skills by handling all meetings, data analysis, documentation, and reports Experience in functional, regression and Integration testing Hands on experience with Test management and Bug tracking tools [JIRA , QC, Confluence, Test Rail]
    Featured Skill Integration Testing
    Beta Testing
    Software Testing
    Testing
    Regression Test Script
    Agile Software Development
    Test Results & Analysis
    Software Debugging
    Regression Testing
    Alpha Testing
    Jira
    Agile Project Management
  • $80 hourly
    As a Senior Software Engineer, I bring a wealth of expertise in crafting exceptional user interfaces and web applications using modern technologies. With a passion for creating elegant and user-centric solutions, I have a proven track record of delivering high-quality, performant, and scalable code. I'm currently focused on building user-first, mobile-friendly and pixel-perfect single page applications using React / NextJS.
    Featured Skill Integration Testing
    Unit Testing
    PostgreSQL
    ExpressJS
    Node.js
    GraphQL
    Sass
    Angular
    Next.js
    TypeScript
    React
  • $60 hourly
    I have ten years experience working in the software development industry. I have held a range of positions representing different phases of the software development lifecycle. These positions range from customer support to my current position of QA Engineer. As a QA Engineer I have worked with many industry standard tooling and processes to deliver high quality products to end users.
    Featured Skill Integration Testing
    Test Case Design
    Jest
    CI/CD
    React
    Automated Testing
    Apache JMeter
    Load Testing
    Cypress
    Component Testing
    Functional Testing
    Performance Testing
    API Testing
    Test Management
    Selenium WebDriver
  • $20 hourly
    Strong QA Analyst with a sound technical background. Focused, detail-oriented and dedicated to continuous improvement and helping team produce top results. Excellent troubleshooting skills and experience in working collaboratively with agile delivery teams. Experience with both manual and automation testing including multiple screen factors. Skilled in analyzing data using SQL and Excel. Tech Stack Familiarity: (1) Issue and Reporting : Jira, Bugzilla (2) TestCase Management : TestRail (3) Frontend Automation testing : Selenium, Cypress (4) Programming Languages: Java, Python (5) API : Postman (6) Strong SQL skills: Oracle, MySQL (7) Version Control: Git, Github
    Featured Skill Integration Testing
    Data Entry
    Cross-Browser Testing
    Manual Testing
    Exploratory Testing
    Functional Testing
    API Testing
    Regression Testing
    Python
    Bug Tracking & Reports
    End-to-End Testing
    SQL
    Java
    Microsoft Excel
    User Acceptance Testing
  • $40 hourly
    I am a Salesforce–NetSuite Integration Specialist dedicated to transforming how finance teams manage their order-to-cash (O2C) processes. My core expertise is synchronizing Salesforce opportunities into NetSuite as sales orders — quickly, efficiently, and with unmatched visibility for non-technical stakeholders. Syncing Salesforce opportunities to NetSuite shouldn’t be a headache—but for most finance teams, it is. Custom integrations are expensive, slow, and hard to maintain (especially when consultants are involved). If you’re ready to elevate your finance operations with a robust, transparent, and cost-effective Salesforce–NetSuite integration, let’s connect. I’m committed to delivering more visibility and efficiency than any other consultant on this platform.
    Featured Skill Integration Testing
    Salesforce App Development
    NetSuite Development
  • $75 hourly
    I’m a seasoned software engineer with 5 years of experience in the autonomous/aerospace industry. Before freelancing, I contributed to large projects such as Blue Origin’s BE-3 propulsion engine and Sierra Space’s Dream Chaser, an autonomous spaceplane. Outside of professional employment, I have developed numerous projects in the DSP/Audio space, and I'm fascinated by the intersection between engineering and art.
    Featured Skill Integration Testing
    Sound Synthesis
    Synthesizer
    Digital Signal Processing
    Selenium
    Unit Testing
    Test Automation
    Audio & Music Software
    React
    JavaScript
    Python
    Rust
    C++
    C
  • $40 hourly
    I’m a U.S.-based biomedical engineer and technical writer with 10+ years of experience in medical device development, test engineering, and documentation. I help companies create clear, compliant, and professional materials—whether you’re preparing for FDA submission, documenting product tests, or translating complex systems into readable reports. Recently I started serving as a U.S. Army Reserve Officer, which reinforces my strengths in leadership, attention to detail, and following structured, mission-critical procedures. I bring the same discipline and focus to my freelance work. What I Can Help You With (Remotely): - Writing or editing test procedures, validation reports, SOPs, and user manuals - Creating FDA/ISO-compliant engineering documents - Documenting workflows, product requirements, or verification data - Building polished technical presentations or slide decks - Supporting R&D teams with organized, professional documentation Key Capabilities: - Biomedical & diagnostic imaging systems (PET/MRI/Ultrasound/CT/SPECT) - Test procedure development & execution - Engineering documentation & validation - Cross-functional coordination (electrical, mechanical, software) - Tools: MS Word, Power Point, Excel, Google Docs, Python, C/C++, Matlab, LabView, SolidWorks/CAD, Git, Jira, PDM, Notions/Atlassian, Mac/Linux/Windows OS I've helped launch cutting-edge products like the first 3D FLECT scanner and PET/MRI dual imaging system, and I collaborate effectively with cross-functional teams. If you need someone who can dive into systems, figure things out fast, and deliver accurate, polished work — I’m your guy. Let’s build something great — feel free to message me with your project.
    Featured Skill Integration Testing
    Systems Engineering
    CAD & CAM Software
    Hardware Testing
    Inventory Management
    Test Development
    Product Testing
    Technical Writing
    Contract Drafting
    Engineering & Architecture
    Mechanical Engineering
    Contract
    Legal Agreement
    Electrical Engineering
    Manufacturing
  • $44 hourly
    Hi! I'm new to Upwork but not new to the Quality Assurance industry. I'm a seasoned QA expert with 15 years of hands-on testing of various applications, new features, and champion of continuous product improvement. I specialize in both manual and automated testing, building strong relationships with teams to deliver reliable, high-performing products. Let’s work together to elevate your project to the highest quality standards! Here are some reasons you should hire an Upwork newbie: ✅ I bring a deep understanding of testing, ensuring your software meets the highest standards. ✅ I specialize in defect detection and root cause analysis, preventing issues from slipping through the cracks. ✅ I bring a versatile skill set of QA capabilities to every project. ✅ I provide comprehensive reports and transparent updates, keeping you informed throughout the testing process. ✅ When you work with me, you gain a partner committed to your success, not just a contractor. I’ll recommend QA best practices tailored to your mission and goals. ✅ I'm responsive, professional, and committed to delivering top notch testing results, reports, and projects.
    Featured Skill Integration Testing
    Agile Project Management
    Manual Testing
    Regression Testing
    Bug Tracking & Reports
    Mobile App Testing
    Exploratory Testing
    Quality Assurance
    User Acceptance Testing
    QA Testing
    Smartsheet
    Atlassian Confluence
    Jira
    Scrum
    Project Prioritization
  • $25 hourly
    Are you struggling to convert visitors into clients? Let me take the stress off your shoulders and make you a beautiful website that also works.  👋🏻Hi there! I'm David. I specialize in crafting top-notch websites, seamless integrations, and unique designs aimed at boosting your business's visibility and conversion rates. The most common problem founders face is not having a website that not only looks good but also actually works and converts visitors into successful partnerships. I strongly believe that successful website design comes from a deep understanding of the business and its intricacies. That’s why I do my best to understand my clients' problems and who their audience is so I can craft powerful websites and landing pages that can capture the attention of visitors in 6 seconds or less.  Having navigated the ins and outs of design and development for years, I've witnessed the highs and lows of this industry. This has equipped me with insights into delivering services that prioritize purposeful websites, effective strategies, and standout brand presences!  I strive to perform and deliver work that you’ll be 100% satisfied with. Let’s work together!
    Featured Skill Integration Testing
    API
    Web Application
    API Integration
    Layout Design
    Squarespace
    WordPress
    Shopify
    Custom Web Design
    Web Development
    Landing Page
    CSS
    JavaScript
    Webflow
  • $70 hourly
    SUMMARY A seasoned Lead Member of Technical Staff in Test with substantial expertise in creating test automation framework development for both web app and web services applications, utilizing Selenium WebDriver ,Rest Assured using TestNG Framework (Design Pattern - Page Object Model with page Factory, MyBatis) and CI/CD tools like Jenkins and Maven. Expertise in Agentforce, Generative AI, and Prompt Builder testing. Involved in various testing activities like Automation Testing / Security Testing using Appscan / Web services Testing / Load Testing using JMeter and Accessibility Testing. Built applications using JavaScript, NodeJS, React and Express. Involved in Planning, Grooming, Retrospective meeting, Defect Fixes and Root cause analysis. Proven success in improving automation test frameworks and handling web performance and bug tracking efficiently, with extensive experience in agile processes and leading multiple scrum teams.
    Featured Skill Integration Testing
    Web Accessibility
    Awk
    Jenkins
    Apache Maven
    TestNG
    Test Automation
    Rest Assured
    Selenium WebDriver
    End-to-End Testing
    Black Box Testing
    White Box Testing
    Test Results & Analysis
    Software Testing
    Quality Assurance
  • $20 hourly
    I am a data-focused engineer with a Bachelor's degree in Physics from the University of California, Berkeley, and extensive experience in technical integrations and scalable data solutions. As a Solutions Architect at Uber, I spearheaded critical integration efforts for the delivery ecosystem, working closely with strategic partners to ensure seamless functionality through APIs, SDKs, and robust data pipelines. My expertise spans Python, Golang, Apache Airflow, and Kubernetes, where I have developed and optimized workflows to transform raw data into actionable insights, improving business outcomes. I am deeply passionate about data engineering and leveraging technologies like machine learning, computer vision, and data-driven architectures to enable innovation and enhance operational efficiency.
    Featured Skill Integration Testing
    Artificial Intelligence
    API Integration
    Database
    Golang
    Python
    Chatbot
    High Availability and Disaster Recovery
    Cloud Architecture
    Web Scraping
    Exploratory Data Analysis
    ETL Pipeline
    Machine Learning
    Data Analysis
  • $30 hourly
    * 10+ years of professional experience in testing Web, API, Desktop, and mobile applications. * Experienced with all phases of SDLC & STLC. * Worked extensively in both Agile and waterfall methodology for software development. * Participated in software testing life cycle like Test Planning, Test Design, Test Execution, Defect Reporting & Tracking. Created artifacts such as Test Scenarios, Test Cases, Defect Reports and Test Summary Report. * Proficient in Java programming and objectoriented design principles (OOPS). Skilled in designing, executing, and maintaining comprehensive test suites and scripts using tools like Selenium WebDriver , TestNG, Maven, Junit, nUnit, Cucumber. * Familiarity with different test automation frameworks like Page object model (POM) framework, Key word driven, data driven, hybrid & Behavior Deiven (BDD) frameworks. * Quick learner, team player, good communication,
    Featured Skill Integration Testing
    SQL
    Database Testing
    API Testing
    Functional Testing
    Postman
    JUnit
    TestNG
    Python
    Java
    Selenium WebDriver
    Scrum
    Quality Assurance
    Software QA
  • $25 hourly
    Raekwon Adams Computer Science Student | Aspiring IT Professional | Creative Technologist I’m a Computer Science major at the University of San Francisco, driven by a passion for innovation, equity, and tech that makes a difference. I bring hands-on experience in IT support, system administration, and event tech—from internships with the Golden State Warriors to real-world projects like mobile app development and website design! Whether I’m coding a game from scratch, supporting network operations, or managing logistics as a DoorDash Top Gold Dasher, I lead with resilience, creativity, and a solution-focused mindset. I'm committed to building tools and spaces that uplift communities—especially Black voices in tech—and I'm always looking to grow, build, and inspire. Let’s connect and create something impactful!
    Featured Skill Integration Testing
    Quality Assurance
    Software QA
    Beta Testing
    Alpha Testing
    Specifications
    OpenAI API
    Event Management
    Help Desk Software
    IT Service Management
    Wireframe & Prototyping Software
    API Development
    Desktop Application
    UX & UI Design
    Web Application
  • $60 hourly
    Languages: MySQL, Python, Perl, Core JAVA, C/C++, HTML5, Bash Scripting Tools: Chef client, Wireshark, Metasploit, Nessus, Rally, JIRA, Technology Development (TD) Platform, Firebug, Web SCME Bug Tracker, 3dcart e-commerce Platform, VNC Viewer, Firebug, Photoshop, dnststat, idns_perf Testing Methodologies: Creating Test Plan and Test Cases, Unit Testing, Integration Testing, System Testing, Regression Testing, Stress Testing, Load Testing, Feature Testing, HTTP and DNS Query Testing, Validation Operating Systems: Windows, Mac OS, Sun Solaris, RedHat Linux, Ubuntu, UNIX Other: Good understanding of OSI Model, TCP/IP protocol suite, Switches and Routers, Scrum Agile Process, DNS technology, BGP, OSPF, Analyzing business requirements, Data Management, Website Management, Defect Management, Microsoft Office (Word, PowerPoint, Excel), Open Office
    Featured Skill Integration Testing
    Microsoft PowerPoint
    Data Entry
    Unit Testing
    System Testing
    Web Testing
    Regression Testing
    Performance Testing
    Microsoft Excel
  • $20 hourly
    Knowledge of Software testing methodologies. • Designing test plans, writing test cases/scripts • Functional, Integration, Regression, User acceptance, Performance, Load testing. • Automate Web application using Selenium with Java • TestNG framework
    Featured Skill Integration Testing
    Data Analysis
    Selenium WebDriver
    Apache Maven
    SQL
    Selenium
    TestNG
    Cross-Browser Testing
    Jenkins
    Jira
    Functional Testing
    Manual Testing
  • $80 hourly
    As the most recent Live Services Producer at Activision Blizzard, my focus was on orchestrating the testing and release of LiveOps deliverables, ensuring that our games provide continuous engagement. Our team collaborated to maintain production timelines and enhance game-play through meticulous reviews and stakeholder feedback. In my role, I also played a pivotal part in creating robust documentation and optimizing communication between production and quality assurance teams. Previously, as a Senior Studio Test Lead, I honed my expertise in quality assurance processes, designing validation protocols that are now integral to our seasonal content releases. The skills acquired through these experiences, including using tools like Jira and Unfuddle, have been critical in navigating the dynamic demands of live services in gaming. My commitment remains to fostering a seamless integration of cross-functional efforts that elevate our player experience.
    Featured Skill Integration Testing
    Software Testing
    Software QA
    Mobile App
    Atlassian Confluence
    QA Management
    Zoom Video Conferencing
    Regression Test Script
    XMind
    TestRail
    Functional Testing
    API Testing
    Regression Testing
    Beta Testing
    Jira
  • $20 hourly
    Interested in leveraging over 9 years of experience in Quality Assurance Software Engineer and Technical Support Specialist in the FinTech space. Skills:- ● Project Management: WorkFront, MS Excel, PowerPoint, Google Work Suit, Mailflow,Zendesk,Outlook, Microsoft Visio, SDLC, TFS, Jira. ● Test Methodologies: Payment Terminal Testing, Manual & Automated QA, POS testing, API testing, SOAP UI, Mobile testing, Unit testing, Integration testing, System testing, Acceptance testing, Performance testing, Compatibility testing, UI testing, Black Box testing, White Box Testing, Grey Box Testing, Cross browser testing, smoke testing and database testing .● Testing Tools: Selenium, Postman, JMeter. ● Product: Digital Account opening, Credit Card Origination System (CCOS), Credit Unions, Lending Applications, Warehouse Management System (WMS),Pier Bridge, Cognos, Harness. ● Database: Rackspace server, AWS RDS, MS SQL Server, Jason. ● Programming Language: SQL , PHP, JavaScript, UML, XML, C#,python ● Version Control: Git. ● BI: Tableau. ● Automation: Selenium
    Featured Skill Integration Testing
    SQL
    Regression Testing
    Microsoft SQL Server
    Environment
    Software Testing
    Testing
    Software QA
    Test Results & Analysis
    Jira
    Agile Project Management
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