Hire the Best QA Engineers
in Ukraine

I am a detail-oriented QA Engineer with a strong focus on the functional testing of mobile applications and games. I specialize in identifying critical defects, documenting precise reproduction steps, and prioritizing issues based on their business impact. Beyond my core testing expertise, I am a highly organized professional capable of supporting your projects with content management, web research, and administrative tasks. What I bring to the table: QA & Testing: Functional testing, bug reporting, and issue prioritization. Content & Research: Writing, rewriting, and AI-assisted content creation. Operations: Efficient data entry, formatting, and administrative support. Design & Tools: Proficient in simple Canva designs and quick to master new software. I pride myself on clear communication, meeting deadlines, and delivering high-quality results. I am ready to start immediately and look forward to building a long-term professional relationship.

Hi everybody, I'm Oleh – your go-to Manual/Automation QA Engineer, I am here to minimize the number of bugs and improve the quality of your products. Why Choose Me? - 3+ years testing Web applications. - 2+ years testing Mobile applications. - 5+ years creating different test documentation such as Test Cases, Bug reports, Test Plan, Checklist, etc. - Over 10 Physical devices Android/iOS/Windows/MacOS. to date, I have been able to improve more than 30 websites/mobile applications that have received satisfied users. I have worked in various sectors, including: 💰 Financial Services 🏥 Healthcare / MedTech 🚚 E-commerce 📊 SaaS 📚 Education ❤️ Social and Dating Apps ...and the list goes on! 🚀 This journey has armed me with priceless insights into market trends, startup concepts, and thriving in highly competitive environments. Why Clients Choose Me as Their 5-star 🌟 QA Engenieers: ▪️ Create detailed test documentation. ▪️ Keen eye on details. ▪️ Excellent knowledge testing methodologies. ▪️ My communication skills are a symphony of strength. ▪️ I put client satisfaction at the heart of every project. ▪️ Honesty and transparency. ...and that's just the beginning! 🚀 Ready to improve your product so that the end user is satisfied? Let's chat! 🤝 ___________________________________________________ Related keywords: Web testing, Mobile testing, Postman, API testing, Swagger, Automation testing, Cypress, Selenium, Playwriter, Regression testing, Smoke testing, Test cases, Test Plan, Check List, Function testing, non-function testing, Stress testing, Test case Design, End-To-End testing, Bug reports, Software testing

I am a QA Engineer with 5 years of experience specializing in both manual and automated testing of web applications. My expertise includes UI automation, regression testing, and test design, allowing me to ensure the highest quality in every project. I thrive in collaborative environments, working closely with cross-functional teams to deliver reliable and efficient solutions. My analytical approach and attention to detail help me identify issues early, enhancing user experience while minimizing downtime. If you're in need of a professional who can elevate your project's quality assurance process, I would love to discuss how I can contribute to your success.

📩 Available to start 𝗔𝗦𝗔𝗣 I am a results-driven QA Tester and experienced QA Engineer specializing in structured QA Manual processes and end-to-end Software QA Testing for web and cloud platforms. As a dedicated Web Tester, I deliver stable releases, reduce defects, and improve SDLC standards. I have worked as a qa tester, manual tester, and Manual QA tester, combining strong qa engineering discipline with practical qa testing and scalable qa software quality control. Over 5+ years and 50+ projects, I have performed full-cycle software testing — from requirements analysis to release approval. As both qa engineer and tester, I design structured qa manual testing frameworks and expand software qa testing coverage while maintaining precision as a web tester and website tester. I collaborate with full stack developer, project manager, and cross-functional teams to ensure reliable qa testing delivery. My expertise includes SaaS, ERP, CRM, and healthcare systems, including compliance-related environments and region-specific regulations projects. I have contributed to platforms requiring salesforce qa, ux qa, and enterprise-grade website testing validation. 🏆 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 •Edchart Certified Usability Testing Subject Matter Expert: Enhanced usability-driven software qa testing, advanced qa manual validation, and structured test analysis. As a qa engineer and qa tester, I apply risk-based qa testing and improve release confidence as a web tester. •Edchart Certified Manual Testing Subject Matter Expert Advanced specialization in qa manual, qa manual tester practices, and structured regression planning. Strengthened my role as software qa engineer manual specialist and delivery-focused qa tester ensuring scalable software qa testing cycles. •PMI – Agile & Predictive Project Management Improved collaboration with project manager teams, aligning sprint-based software testing with structured qa manual testing and long-term qa engineering governance. 𝗧𝗢𝗢𝗟𝗦 & 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 📋 𝗧𝗲𝘀𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Jira, Confluence, ClickUp, Trello, TestRail, Qase Support structured qa manual, defect tracking, and transparent software qa testing processes led by a disciplined qa tester and qa engineer. 🌐 𝗪𝗲𝗯 & 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻: BrowserStack, LambdaTest Professional website testing performed as a web tester and website tester, ensuring cross-browser reliability. 📱 𝗠𝗼𝗯𝗶𝗹𝗲 & 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗧𝗲𝘀𝘁𝗶𝗻𝗴: Validation as a mobile app tester and an app tester to extend software qa testing coverage under structured qa manual testing standards. 🔌 𝗔𝗣𝗜 & 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻: Postman, SQL Backend logic verification, reporting checks, and data entry validation including manual data entry workflows. 🤝 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻: Work alongside qa automation engineer and automation tester teams to support scalable qa automation adoption while maintaining strong qa manual coverage and balanced software qa testing strategy. 𝗞𝗘𝗬 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗦 🌍 WHO COVID Monitoring Service Delivered structured software qa testing and enterprise-level website testing as qa tester and qa engineer, ensuring production stability as web tester. 🇩🇰 Danish Government Housing Platform Performed large-scale qa testing, cross-browser validation, and regression cycles as qa tester, qa engineer, and website tester. 🏢 Enterprise ERP System Validated financial logic, documentation, and operational flows including collaboration with data analyst roles and ensuring compliance-related structures similar to user manual.. ❤️ Healthcare Donation Platform Executed secure transaction software testing, including home health qa validation and structured qa manual testing oversight. ☁️ SaaS & CRM Systems Worked on cloud platforms requiring salesforce qa, deep ux qa, and scalable software qa testing processes. 💪 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • Full-cycle Software QA Testing • Structured QA Manual and qa manual testing • Functional, regression, and exploratory qa testing • Cross-browser website testing as a web tester • API & database validation • Collaboration with qa automation, qa automation engineer, and hybrid teams • Scalable qa engineering frameworks My work as a QA Tester, qa tester, and strategic QA Engineer reduces production defects through disciplined qa manual execution and reliable software qa testing governance. If you need a reliable QA Tester, experienced QA Engineer, detail-oriented Web Tester, and structured QA Manual specialist delivering enterprise-level Software QA Testing, I am ready to contribute immediately. Let’s build software that performs flawlessly in real-world conditions!

⭐ I am a QA Engineer with 5 years of commercial experience. I'm skilled in testing Web & Mobile & Desktop applications ⭐ Skills: 📌 Knowledge of HTML, CSS, SQL; 📌 Good understanding SDLC, STLC; 📌 Good understanding of Agile methodologies (Scrum, Kanban, Waterfall, V-model); 📌 Knowledge of the QA-approaches, understanding of test design techniques; 📌 Experience in writing test documentation (test cases, checklists, test plans, bug reports); 📌 Experience in testing Web, Mobile, and Desktop Apps; 📌 Automation testing with Cypress; 📌 Network protocol (HTTP, HTTPS); 📌 Management tools (TestRail, GitHub); 📌 Practice with bug tracking systems: Jira, YouTrack, Confluence; 📌 API testing. 🛠 I had many projects such as large and small projects. It was medicine, education, and entertainment projects. 🛠

I’m an eWPTX-certified Cybersecurity Consultant with a Bachelor’s degree in Cybersecurity and over 10 years of hands-on experience in application security, helping organisations identify vulnerabilities across web applications, mobile apps, APIs, cloud environments, and IoT/embedded systems. I help companies identify real vulnerabilities in their systems and understand how they can be exploited, not just theoretically, but in practice. My focus is on manual, attacker-driven testing aligned with OWASP Top 10 and beyond, with clear, actionable outcomes for your team. I’ve worked with SaaS platforms, multi-tenant systems, and applications handling sensitive data, including projects aligned with HIPAA and FDA requirements. What I can help you with: * Web and API penetration testing * Mobile application testing (iOS, Android) * Network penetration testing * Cloud and backend security assessments * IoT and embedded device penetration testing * Embedded systems security audits My approach: * Manual testing, not just automated scans * Focus on real attack paths and impact * Clear communication throughout the process What you get: * Professional report with severity (CVSS), evidence, and reproduction steps * Practical remediation guidance your developers can use * Executive summary for non-technical stakeholders Technologies and platforms I have experience with (including, but not limited to): * Frontend: React, Next.js, TypeScript, Tailwind CSS * Backend: Node.js, Express, FastAPI, Laravel (PHP) * Databases: PostgreSQL, Supabase, Firebase, MongoDB * Cloud & BaaS: AWS, Supabase, Firebase, Vercel, Cloudflare * APIs: REST, GraphQL, PostgREST * Auth & Security: JWT, OAuth, RBAC, Row Level Security (RLS) * Payments: Stripe (Checkout, webhooks, subscriptions) * Mobile: Android, iOS (dynamic analysis with Frida, Objection) * Embedded & IoT: Microcontrollers, device logic analysis, firmware interaction * DevOps & Infra: Docker, CI/CD pipelines, GitHub Actions * AI integrations: RAG-based systems, prompt injection testing, data leakage analysis I’m easy to work with, responsive, and focused on delivering results that actually improve your security.