I have 10+ years experience at Apple, Google, Meta testing App, devices, Automation in may areas. I have worked as a Software QA engineer for many years in numerous esteemed and multinational companies across Europe and America. During this period, I have undertaken significant projects, delivering each one flawlessly, on time, and with high quality. I have also managed many valuable projects, providing high confidence to companies during decision-making processes as Project Lead. Beyond the realm of professional work, as Software Engineer, I have continuously developed myself through Bachelor, master's, PhD in engineering fields and online courses like Full-stack Developer and React Native Apps, staying abreast of technological advancements over time. Additionally, I have enriched my life by exploring over 50 countries across Europe, Asia, and America, discovering new places, and immersing myself in diverse cultures. All these life experiences have enabled me to successfully overcome every challenging and complex project I have undertaken. They have allowed me to make crucial and swift decisions in a short amount of time, instantly apply what I have learned, and achieve success in difficult tasks throughout my career.

We Can help you: ★ Product Design & Development 🔸 Create the architecture of your next mobile app using React Native and Flutter 🔸 A to Z app design and development 🔸 Set up a development team and delivery processes 🔸 Review the quality of the code 🔸 Help to find bottlenecks on the technologies side for the rapid growth of your product 🔸 Consultancy to make app GDPR, HIPAA, and MDR compliant ★ Software testing 🔸 QA Audits and Assessments 🔸 QA Staffing 🔸 Dedicated QA team 🔸 Managed testing 🔸 Mobile app testing 🔸 Web app testing 🔸 DevOps Hi 👋 my name is Liudmyla Dziubynska, and I am a professional software engineer with more than 8+ years of experience creating custom high-load platforms and applications. Since 2017, I have been leading a team of software development engineers with deep expertise and focusing on developing custom cross-platform and web applications using: 🔹 Javascript & TypeScript 🔹 ReactJS 🔹 React Native 🔹 Flutter 🔹 NodeJS (NestJS, Express) Our developers not only pay attention to technical aspects, but we also have experiences in business domains, such as: 🔸 HealthCare 🔸 FinTech 🔸 Logistics 🔸 SaaS solutions 📌 What value we can bring: • Technical risk management. We care about the technical edge cases of the product to avoid any data breaches or fines in the future • Direct communication with the whole team and transparent cooperation • Solid processes in development, testing, and product delivery • Flexible working with the various time zones 📌 Key information about ZenBit Tech: • Delivery software development services since 2017 • ISO13486 certified • Headquarters and R&D in Eastern Europe with the sales office in the UK • Participating in and committed to the IT community (IT hubs, organizing local events, meetings, etc.) 🤔 Interesting in building a scalable and successful product? I would be happy to share my experience and provide you with a solution!

Self-starter QA Tester and Analyst with over 7 years of experience in the IT healthcare and banking industries, specializing in manual and API testing, functional end-to-end testing, healthcare compliance (CMS, HIPAA), and financial software QA. Extensive experience working with high-quality software in Agile environments in large organizations like Bank of America and Conifer Health Solutions, with a proven track record of leading QA teams, creating test strategies, and delivering high-quality software solutions.

If you're building AI-powered SaaS or fintech systems and need real Automated Testing — not fragile scripts — I build automation that scales with your product. I’m a Senior QA Engineer with 10+ years of experience in Software QA, Automated Testing, and QA Engineering, with strong focus on Playwright, AI application testing, and modern Web Application testing. 🔍 Core Expertise ✔ Software QA & Software Testing ✔ Automated Testing & QA Automation ✔ Playwright Test Automation Framework ✔ Functional Testing & Manual Testing ✔ Web Testing & Mobile App Testing ✔ End-to-End Testing ✔ Regression Testing ✔ API Testing (REST API, Postman) ✔ Test Case Design & Test Execution ✔ Bug Reports & Bug Tracking (Jira) ✔ CI/CD Integration 🧠 AI & LLM Application Testing AI systems require structured validation beyond traditional Functional Testing. I provide: ✔ LLM Testing & Prompt Engineering validation ✔ AI Chatbot & AI Application Testing ✔ Machine Learning feature validation ✔ Model Testing & Optimisation support ✔ Structured output validation & edge-case testing ✔ Regression Testing for AI prompt updates ✔ End-to-End Testing of AI-powered workflows I test AI features the same way I test fintech logic — with precision, edge-case depth, and production-risk awareness. 🌐 Web & 📱 Mobile Application Testing ✔ SaaS Web Application Testing ✔ Cross-Browser Testing ✔ Mobile App Testing (Android & iOS) ✔ API Testing & Integration Testing ✔ Performance Testing support ✔ User Flow & End-to-End Testing ✔ Quality Assurance embedded in Agile teams ⚙️ Tools & Technologies 🧪 Playwright | Cypress 🐍 Python | JavaScript | TypeScript 🔁 Selenium 🔌 Postman | REST API 📊 Jira | TestRail 🚀 Git | CI/CD Pipelines 🎯 What You Get • Clean, scalable Test Automation Frameworks • Stable Regression Testing for fast releases • Strong Bug Reports with clear reproduction steps • Automation aligned with business risk • QA Engineering mindset — not task-based testing If you're looking for Software QA, Automated Testing, Playwright automation, AI Testing, Web Testing, or Mobile App Testing — I’m ready to step in. 👉 Send a message and let’s build quality that scales. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀 QA Engineer, Senior QA Engineer, Manual Testing, Automation Testing, Selenium, Cypress, Playwright, Web Testing, API Testing, Regression Testing, Functional Testing, Test Automation, Quality Assurance, CI/CD Testing, Jenkins, GitHub Actions, Jira, TestRail, BrowserStack, SaaS Testing, FinTech Testing, Healthcare Testing, QA Lead, QA Manager

Am a graduate in Software Engineering and a ISTQB certified Software QA Tester having experience of 3+ year in testing Mobile and Web Applications. I am available for long-term engagement and can work for 40+ hours a week. Moreover, I can start immediately.I have strong command over the following skills: - UI/UX & Usability Testing Cross-browser & Cross-device Testing Responsive Design Validation Regression & Smoke Testing Test Case Design & Execution Bug Reporting (Jira, Trello, ClickUp, Notion, etc.) Compatibility Testing User Acceptance Testing (UAT) Exploratory Testing E2E (End-to-End) Testing Analyzing users' stories and/or use cases/requirements for validity and feasibility Collaborate closely with other team members and departments Detect and track software defects and inconsistencies Apply quality engineering principles throughout the Agile product lifecycle Ability to document and troubleshoot errors Excellent communication skills Attention to detail Analytical mind and problem-solving aptitude Great interpersonal and communication skills 📌 Tools I work with: Jira, TestRail, Trello, Asana, Chrome DevTools, BrowserStack,lambda etc. 🔍 What I Test: ✅ Mobile Applications (iOS & Android) ✅ Web-Based Applications & Portals ✅ Shopify & WordPress Websites ✅ SaaS Products & Custom-Built Software Solutions

CLICK On Invite If You Are Looking For A Software QA & Automation Testing Expert | Selenium, Playwright, Cypress API, CI/CD & Appium Automation. Certified Software QA Engineer With 13+ Years Of Experience | Delivered 30+ Enterprise Projects mostly for the US, Canada & UK ISTQB, AWS, Scaled Agile Certified High Quality & Budget-friendly Planning & Executing Comprehensive QA Test Cases For Complex Web/Mobile Apps With Cost Efficiency & UAT Efficiency That Drives Business Growth “Beyond Testing – I Build Intelligent Automation and Deliver AI-Driven Quality.” I am Haider, a QA Engineer with 10+ years of experience in test automation, manual testing, DevOps and AI integrations. Helping startups, enterprises and businesses launch high-quality software faster and smarter. 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝗬𝗼𝘂𝗿 𝗧𝗲𝗮𝗺? Strong Communication & Collaboration Efficient Testing Processes Improved User Experience Bug-free Software Clean and scalable automation frameworks Cost Saving Availability: Full-time or part-time Time zone: Available as per the needs Open to ongoing & fixed-price projects My QA skill set includes: - Automation Testing • Playwright (TypeScript/JavaScript) • Selenium WebDriver (Java/Python/C#) • Cypress • TestCafe • API testing with Postman, REST Assured • CI/CD: GitHub Actions, Jenkins, CircleCI • BDD: Cucumber, Specflow, Gherkin - Manual Testing & Test Strategy • Web and mobile application testing (iOS/Android) • Test case creation & execution • Regression, functional, smoke, UAT, End to End testing • Defect reporting (JIRA, Trello, ClickUp, AzureDevOps) • Exploratory & usability and user experience testing • Cross-browser & responsive testing • Performance, Load & Stress testing • ETL and Database testing - Tools & Tech • Git, GitHub, GitLab • Allure Reports, TestRail • VS Code, IntelliJ • Agile/Scrum experience • Basic scripting: JavaScript, Python • Jmeter, Apptim • SQL Server, MySQL, PostgreSQL, Azure Blobs, Cosmos, MongoDB - Workflow Automation through AI Integrations • N8N • Eleven Labs • Zapier • Firebase Studio • Google ADK Whether you are a 𝗦𝘁𝗮𝗿𝘁𝘂𝗽, 𝗘𝘀𝘁𝗮𝗯𝗹𝗶𝘀𝗵𝗲𝗱 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 or looking for 𝗠𝗩𝗣, you will get 𝗛𝗶𝗴𝗵-𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 at an 𝗔𝗳𝗳𝗼𝗿𝗱𝗮𝗯𝗹𝗲 𝗖𝗼𝘀𝘁, 𝗚𝘂𝗮𝗿𝗮𝗻𝘁𝗲𝗲𝗱. Interested? Just click on the '𝗜𝗻𝘃𝗶𝘁𝗲 𝘁𝗼 𝗝𝗼𝗯' button and let’s discuss your project and your vision.

Experienced QA Engineer with 12+ years in manual and automation testing. Proven track record in ensuring software quality and leading high-performing QA teams. ✔️ Website Testing ✔️ Mobile Testing ✔️ API Testing ✔️ Bug Fixing ✔️ Test Management ⭐ Exceptional in requirement gathering, writing QA artifacts, and test execution ⭐ Focused mindset on quality to meet client expectations ⭐ Expert in manual and automation testing ⭐ Leadership and test management experience Moreover, I have a good command of QA Processes and QA Artefacts. I have used several tools in SDLC using AGILE scrum and kanban which are mentioned below, ✅ Testrail ✅ JIRA ✅ Basecamp ✅ Github and Bitbucket Further, I have hands-on experience in automation. Following are my credentials in the test automation area, ✅ Web Automation Tools, Playwright, Cypress, Webdriver.io, Protractor ✅ API performance and Automation Tools, K6.io, Postman, Jmeter ✅ Mobile Automation Tool, Appium Please feel free to review my profile to get an overview of my comprehensive experience of testing. Cheers :)

Your digital Business's success hinges on the quality of your software, and I'm here to ensure it excels. As a skilled QA engineer, I specialize in comprehensive Software Quality Assurance across websites, web apps, mobile apps, and desktop platforms. My approach is thorough, methodical, and focused on delivering a flawless user experience. Key Strengths: ✅ Manual Testing: Rigorous testing across multiple platforms to ensure functionality, performance, and reliability. ✅ UI/UX & Usability Testing: Enhancing user satisfaction by identifying and resolving potential issues early in the development process. ✅ Cross-Browser & Platform Testing: Ensuring consistent and smooth performance across various devices, browsers, and environments. ✅ Regression & Smoke Testing: Continuously verifying that updates do not introduce new issues, maintaining the integrity of your software. ✅ Payment Gateway Testing: Ensuring secure and seamless transaction processes for your users. ✅ Test Case Development: Crafting detailed and effective test cases that pinpoint potential problems before they escalate. ✅ Effective Bug Reporting: Delivering detailed reports with screenshots and videos, facilitating quick and accurate bug resolutions. ✅ Proficiency in Bug Tracking & Project Management: Expert in tools like Jira, Asana, and Trello to ensure smooth project flow and communication. With extensive experience in handling all stages of the QA process, I am committed to ensuring that your software not only meets but exceeds the expectations of your users. Let’s Collaborate: I am dedicated to delivering high-quality Software performance and user satisfaction. Click the invite button to start discussing your project today.

QA Engineer | Manual & Automation Testing | Web, Mobile & API | Playwright | Cypress | Postman | Appium With 5+ years of hands-on QA experience, I help SaaS, eCommerce, Fintech, and Healthcare companies ship bug-free, high-performance software — on time and with full confidence. I specialize in building robust QA processes from scratch and integrating seamlessly into existing development workflows (Agile/Scrum, CI/CD pipelines with Jenkins, GitHub Actions). ───────────────────────────── 🔬 WHAT I TEST ───────────────────────────── ✔ Web Applications (cross-browser: Chrome, Firefox, Safari, Edge) ✔ Mobile Apps — iOS & Android (real devices) ✔ REST APIs & Backend Services (Postman, Swagger) ✔ SaaS Platforms | eCommerce | Fintech | Healthcare | EdTech | Real Estate ───────────────────────────── ⚙️ AUTOMATION EXPERTISE ───────────────────────────── ✔ Cypress (JavaScript) ✔ Playwright ✔ Appium (Mobile Automation) ✔ CI/CD Integration — Jenkins, GitHub Actions, GitLab CI ✔ Framework Design — POM (Page Object Model), BDD (Cucumber/Gherkin) ───────────────────────────── 📋 MANUAL TESTING ───────────────────────────── ✔ Functional, Regression, Smoke, Sanity, Exploratory Testing ✔ Test Plan & Test Case Design (Zephyr, TestRail, JIRA, Trello) ✔ UAT Support & Bug Reporting with Severity/Priority Classification ✔ End-to-End & System Testing ───────────────────────────── 🔌 API & BACKEND TESTING ───────────────────────────── ✔ REST & GraphQL API Testing — Postman, Newman ✔ Database Validation — SQL, MySQL, PostgreSQL ✔ Performance & Load Testing — Apache JMeter ✔ Cloud Environments — AWS, Azure, Google Cloud ───────────────────────────── 📁 TEST DOCUMENTATION ───────────────────────────── ✔ Test Strategy & Test Plans ✔ Detailed Bug Reports with reproduction steps ✔ Test Coverage Reports & QA Summary Reports ✔ RTM (Requirements Traceability Matrix) ───────────────────────────── 🏆 WHY CLIENTS CHOOSE ME ───────────────────────────── ✔ Top Rated on Upwork | 100% Job Success Score ✔ 5+ Years QA Experience across 10+ industries ✔ Fast turnaround with clear, daily communication ✔ Available for both short-term audits and long-term QA partnerships ✔ Agile/Scrum team experience — JIRA, Confluence, Slack Whether you need a one-time testing audit, a full automation framework built from scratch, or an ongoing QA partner — I'm here to make sure your product works perfectly before it reaches your users. 📩 Send me a message — let's discuss your project today.

✅ 7+ years in Manual QA testing skills on WEB and Mobile devices. Windows/macOS and IOS/Android Usually, most common errors are related to UI/UX, Functionality, Cross-browser, API - these types of testing are what I specialize best. ✅I have experience in Software Testing: 🔸 Functional 🔹 Cross-browser / UI/UX (Browserstack, Xcode, Android Studio) 🔸 Integration/Module testing 🔹 Smoke, Sanity 🔹 API (Postman/SoapUi/Swagger) 🔸 Regression (TestRail, Google Sheets) 🔹 Usability / End to End testing 🔸 Re-testing 🔹 Exploratory ✅I have experience in test documentation development and maintenance (test case, test suite, bug report, checklist, test plan) ✅Also, I have an understanding of the full cycle of software development and testing processes using Agile Scrum or Kanban. ✅To find, describe and reproduce defects in software I use Jira, Trello, Pivotal Tracker. ⚠️In case if your project supports cross-platform usage, I have these devices: ✔️MacBook Air ✔️iPhone 14 ✔️Samsung Galaxy S8 Do not hesitate to contact me, if you have any questions. Hope to help your project with my skills.