Hire the Best A/B Testing Specialists
in Ukraine

🔬 Conversion-focused audits for eCommerce & service websites 📈 I help eCommerce and service websites increase conversion rates and revenue by identifying exactly where they lose customers — and how to fix it 🧠 12 years specializing in CRO, UX & SEO audits 🥇 Top Rated | 100% Job Success | + 3000 projects |+ 600 reviews (on various freelance sites)) 📝 The following types of audit are available for order: ✅ UX & CRO Checklist (Fast audit using 150+ conversion and usability checks) ✔ Website analysis using a predefined checklist (without analyzing behavioral factors, heat maps, or user visits) 🕙︎ Delivery: 2 days 🎯 Result: PDF document with detected errors ✅ Revenue Growth Audit (CRO & UX) 🔬 Conversion-focused audit for eCommerce & service websites 👉 I show exactly where you’re losing customers — and how to fix it What I analyze: ✔ Responsive (mobile) & cross-browser performance ✔ Bugs & UX issues affecting conversions ✔ User behavior (GA4, Hotjar, Clarity, etc.) ✔ Heatmaps, clickmaps, scrollmaps, session recordings ✔ Landing pages & conversion funnels ✔ UX/UI & usability (including heuristic analysis) ✔ Conversion elements (CTA, forms, structure, trust elements) ✔ Conversion leaks & growth opportunities 🕙︎ Delivery: 4-5 days 🎯 Result: Clear, prioritized action plan focused on increasing conversions and revenue ⚡ Portfolio sample available on request ✅ Revenue Growth Audit (CRO + UX + SEO) 📈 Full analysis to improve both conversions and organic traffic Everything from CRO/UX audit PLUS:** ✔ Technical SEO audit ✔ On-page SEO (content, structure, internal optimization) ✔ Off-page analysis (backlinks & external signals) ✔ Keyword & search intent analysis (if available) 🕙︎ Delivery: 5-7 days 🎯 Result: Сlear, prioritized action plan to increase conversion, traffic, and revenue. ⚡ Portfolio sample available on request

Senior Digital Analytics/Implementation Engineer ⚡️Top %1 on Upwork (Expert-Vetted) ⚡️ 100% Job Success Score ⚡️ Helped +100 companies I'm passionate, energetic, data-driven, innovative, experienced and technically savvy digital analytics expert that will lead and architect the technical vision for web analytics implementation and reporting in your projects How can I help you?: • Lead, execute and support your Web Analytics-related projects • Data collection through design and implementation of tracking codes (GTM, Google Analytics 360, Salesforce, Adobe, custom scripts) • Analytics setup, reporting and custom database feeds (GA360, Adobe Analytics, Salesforce, Data Studio, Tableau, BigQ) • Data collection through design and implementation of tracking code (Google Tag Manager, GA360, Salesforce, Adobe, custom scripts) • Web Analytics reporting and dashboard building • Help on business pitches that are Web analytics-related (estimate time/effort) • Stay involved in the majority of technical client communications • Collaborate, support, and work closely with the Data Systems business units • Adwords Account Setup and Management: Google Adwords Management, Training, Optimization, Account Setup, PPC Management, Display Ads, Remarketing Ads, Dynamic Retargeting Google Tag Manager, Analytics Data Services: Goals, Events, Conversion Optimization, Data and Reporting Solutions - Google Tag Manager, Advanced Google Analytics Setup & Optimization, eCommerce Integrations • Analytics • Funnel Visualization • Events • Goals • E-commerce tracking • Account setup • Conversion tracking Facebook • Pixel Events management • Custom audiences • Retargeting • Dynamic retargeting • Server Events (CAPI)

💼 Proven QA Experience in Web, Mobile & eCommerce Testing 🕒 300+ Hours on Upwork | 10+ Jobs | Active & Available ⭐⭐⭐⭐⭐ 100% Job Success 🌐 Shopify, eCommerce, Web & App Testing 🛠 Manual QA | UI/UX | API | SQL | Analytics Validation 👉 Actively testing and helping teams catch issues before users do 👈 I regularly work with real projects, testing features daily, validating builds, and making sure everything works smoothly before release. 🛠 What I can do for you: • Manual testing (web, mobile, eCommerce platforms) • UI/UX testing (cross-browser & real devices) • Shopify & eCommerce testing (storefronts, checkout, payments, apps, themes) • API testing (Postman, REST, JSON validation, Swagger) • SQL queries for data validation (DB checks, consistency, integrity) • Analytics validation (events, tracking, data accuracy) • Daily testing of staging environments, builds & releases • Regression, smoke, exploratory & functional testing • Testing different builds and versions (Git workflows) • Debugging with Chrome DevTools (Network, Console, Storage) • Clear bug reports, test cases & QA documentation 💡 How I can help: • Review requirements, flows & edge cases • Validate data flow (UI → API → DB → analytics) • Catch bugs, inconsistencies & UX issues early • Keep product stable across releases and environments • Provide fast, clear and actionable feedback 🔍 What I bring: • Hands-on QA experience (web, apps, eCommerce) • Strong understanding of client-server architecture & HTTP • Practical experience with API, SQL & analytics validation • Attention to detail & structured thinking • Clear communication & fast response

🏆𝗖𝗥𝗢-𝗙𝗼𝗰𝘂𝘀𝗲𝗱 𝗨𝗜 𝗨𝗫 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗿 | 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 | 𝗙𝗶𝗴𝗺𝗮 𝗘𝘅𝗽𝗲𝗿𝘁 👤 𝐈𝐧𝐝𝐢𝐯𝐢𝐝𝐮𝐚𝐥 𝐅𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 | 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐃𝐢𝐫𝐞𝐜𝐭𝐥𝐲, 𝐍𝐨 𝐀𝐠𝐞𝐧𝐜𝐢𝐞𝐬 𝐨𝐫 𝐌𝐢𝐝𝐝𝐥𝐞𝐦𝐞𝐧 👋 I am a results-oriented Independent UI UX Designer and Conversion Rate Optimization (CRO) Specialist. When you hire me, you work 1-on-1 with a senior expert - no agencies, no middlemen, and no communication gaps. I take full ownership of your product’s visual and functional performance, ensuring every pixel is strategically placed to drive revenue. 📊 Proven Impact: 📈 +33% Conversion Rate (E-commerce Product Page Optimization) 💰 +15.5% Average Order Value (Comprehensive Store Redesign) 📉 -11pp Bounce Rate (Homepage UX & Messaging Refinement) 🏆 100+ Projects | 6 Years Experience | 45+ Web Services | 15+ Mobile Apps 💰 Design That Drives Revenue I don’t just create "pretty" layouts; I build high-performing sales machines. By combining deep UX research with user psychology and data analytics (GA4, Hotjar, Clarity), I identify friction points in your funnel and transform them into conversion opportunities. Whether it’s a Shopify store, a B2B SaaS dashboard, or a Fintech mobile app, my focus is on metrics that matter: CR, AOV, CTR, and Revenue. 🎯 Specialized CRO Services ✨ E-commerce & Shopify Excellence: 🛒 PDP Optimization: High-converting product pages with strategic trust signals and optimized CTAs. 💳 Cart & Checkout UX: Reducing abandonment through frictionless, mobile-first checkout flows. 📣 Landing Pages for Paid Traffic: Optimized funnels for Meta Ads and Google Ads that turn clicks into customers. ⚙️ SaaS & B2B Platforms: 🚀 Onboarding & Activation: Streamlining user journeys to improve first-day retention. 📊 Dashboard & Complex Data UX: Intuitive data visualization for admin panels and SaaS tools. 💎 Freemium to Paid Conversion: Designing upgrade prompts that convert trial users to subscribers. 📱 Mobile App Design (iOS/Android): 📲 Retention-Focused UI: Engagement loops and intuitive navigation. 💸 In-App Purchase Optimization: Seamless subscription and payment flows. 📈 My Data-Driven Process 1️⃣ Audit & Discovery: Analyzing GA4 funnels and Hotjar heatmaps to find "drop-off" zones. 2️⃣ UX Strategy: Mapping user psychology and competitive advantages. 3️⃣ High-Fidelity UI (Figma): Crafting modern, clean designs using Advanced Component Systems. 4️⃣ Interactive Prototyping: Validating usability before a single line of code is written. 5️⃣ Developer Handoff: Providing pixel-perfect Figma files with responsive specs. 🛠 Tools & Expertise 🎨 Design: Figma (Expert), Framer, Adobe Creative Suite. 🧪 Analytics & CRO: GA4, Hotjar, Microsoft Clarity, A/B Testing. 🌐 Platforms: Shopify, Webflow, WordPress, React-based SaaS. 🔥 Why Partner With Me? 🤝 Direct Access: Personal accountability and fast, 1-on-1 communication. 🧠 Conversion Mindset: Every design decision is backed by data, not just "gut feeling." 📐 Technical Precision: My Figma files are organized, scalable, and 100% developer-ready. 🌍 Industry Versatility: Deep experience in Fashion, Beauty, Fintech, Health & Tech. 📂 Featured Success Stories ⭐ John Barber & Sons: E-commerce PDP Redesign | CR +33% ⭐ Agile Office Furniture: Homepage & Navigation CRO | AOV +15.5% ⭐ Grant Bank: Fintech Mobile App | Complete iOS UI/UX Design ⭐ Document Management SaaS: B2B Workflow & Dashboard Architecture 🚀 Ready to scale your business and increase your conversion rate? Click "Invite to Job" or "Hire Now" - let’s turn your current traffic into measurable revenue! 💸

📩 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!

Top-rated CRO strategist backed by a comprehensive, full-service CRO team that can operate as your fully outsourced conversion optimization function. We cover the full experimentation lifecycle, from data tracking, funnel analytics, and UX research to the development and validation of data-driven CRO hypotheses through controlled A/B testing. In the past, I have led CRO projects with my team for market-leading brands such as Microsoft, SamCart, CleanMyMac, CARiD, Reckitt (Durex, Nurofen, and Finish), Riverside, Papaya Global, and MacPaw. My team at ConversionRate.Store is consistently ranked among the world’s top CRO agencies (clutch dot co/agencies/conversion-optimization#leaders-matrix). In 2026, we were named finalists for CRO Agency of the Year 2026 by the Global Agency Awards (globalagencyawards dot net/2026/04/01/conversion-rate-store-is-cro-agency-of-the-year-2026-award-finalist/). What I Offer I help eCommerce stores, SaaS/apps, and lead-generation businesses achieve tangible, sustainable improvements in conversion rate (CvR), average order value (AOV), average revenue per user (ARPU), and customer acquisition cost (CAC) through a full-service outsourced CRO team. My Expertise The most common requests I handle include: 1. eCommerce: Increase funnel performance by improving conversion rate and average order value while reducing customer acquisition cost. 2. SaaS and apps: Improve conversion from free account or free trial to paid subscription. 3. Customer Lifetime Value: Increase repeat purchases for eCommerce and improve retention and average revenue per paying user (ARPPU) for SaaS and apps. 4. Lead generation: Increase funnel conversion by improving UX, UI, and copy. See What My Clients Say About the Impact I Generate for Their Business Conversionrate.store/#testimonials My Market Presence I speak at CRO and marketing conferences, podcasts, and panels, including: * theagentsofchange dot com/ihor-sokolov * youtube dot com/watch?v=oH-AZK78tuo * Riga Comm Conference 2024 * Conversion Hotel Conference 2025 My CRO Services I offer a comprehensive CRO service that includes: 1. Full data-engineering setup to track every user touchpoint across the conversion funnel. 2. Deep user-behavior and funnel-performance analysis to identify underperforming stages, prioritize CRO effort, and identify and scale behaviors correlated with high conversion. 3. Comprehensive UX research, including the design, setup, and execution of user sentiment and perception studies to identify user drivers, frictions, concerns, and uncertainties through user interviews, on-site and email surveys, usability tests, support-ticket analysis, and internet-wide review analysis. 4. Ideation and formulation of CRO hypotheses based on quantitative and qualitative data. 5. Creation of data-driven optimized funnel experiences, including UX/UI and copywriting. 6. Development and QA of A/B tests to validate CRO hypotheses. 7. Post-A/B-test statistical and causal analysis to confirm statistical significance and ensure that observed results are directly attributable to the UX/UI and copy improvements introduced in the optimized variation. To Book Your Complimentary CRO Strategy Session with Me, Send the Following Data: 1. Total number of site visitors 2. Number of users who reached the product page (for eCommerce) or sales page (for SaaS/apps or lead-gen funnels) 3. Number of users who reached checkout (for eCommerce) or the conversion form (for SaaS/apps or lead-gen funnels) 4. Number of users who successfully converted