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Hi there! 👋 During last 7 years, I helped many researchers to conduct statistical analysis, find interesting insights and interpret them correctly, as well as carefully prepare their papers to the publication. Conducted analysis across various fields — medicine, psychology, economics, ecology, genetics. I can always clearly explain, what I am doing and why I think this is the way to do it. If you need actual results, accurate and useful — write me! 👉 Expert in statistics, research methodology, bioinformatics 👉 Skilled with R, Python, SQL, SPSS, Stata, Excel 👉 Deep understanding of regression, time-series, survival analysis 👉 Never missed a deadline

I help ecommerce and marketing teams build tracking and reporting systems they can actually trust — from GA4/GTM implementation and attribution QA to Meta CAPI, server-side tracking, BigQuery, Looker Studio dashboards, and AI-assisted reporting workflows. My strongest area is not basic tag installation, but complex tracking and attribution troubleshooting: when Shopify, GA4, Google Ads, Meta, server-side tracking, consent tools, and reporting dashboards do not agree with each other. I usually work on projects where the problem is not just “we need GA4 installed”, but “we don’t know which numbers to trust.” For ecommerce and lead generation businesses, I help investigate and fix issues such as missing or duplicated purchases, incorrect revenue, broken checkout attribution, unreliable Google Ads conversions, Meta Pixel / CAPI mismatch, consent banner side effects, inconsistent UTMs, referral pollution, and dashboards that do not match the source platforms. I can help you answer questions like: - Why does Shopify revenue not match GA4 or Google Ads? - Why are Google Ads conversions missing, duplicated, or attributed incorrectly? - Is Meta Pixel / CAPI deduplication working correctly? - Are GA4 ecommerce events firing with the correct transaction IDs, item data, revenue, currency, and source attribution? - Is Consent Mode or a cookie banner blocking GTM too aggressively? - Can your dashboards be trusted for marketing decisions? - How can your team get clearer weekly insights from GA4, BigQuery, ad platforms, and ecommerce data? I work with: - GA4 ecommerce tracking and audits - Google Tag Manager web and server-side - Shopify tracking and attribution issues - Meta Pixel and Conversions API - Google Ads conversion tracking and Enhanced Conversions - Consent Mode, CMPs, and cookie banner tracking behavior - BigQuery and GA4 raw data validation - Looker Studio dashboards - Marketing cost, ROAS, MER, CAC, and revenue reporting - AI-assisted reporting summaries, QA checklists, and insight workflows My work often sits between marketing, development, and business reporting. I can review the full data flow from the website or Shopify store to GTM, GA4, Google Ads, Meta, server-side tracking, BigQuery, Looker Studio, and executive dashboards. The goal is not only to make tags fire, but to make sure the data is accurate enough for reporting, optimization, and paid media decisions. I also build reporting systems for teams that need more than static dashboards. This can include BigQuery-based data models, blended marketing cost and revenue data, ecommerce funnel reports, ROAS / MER / CAC reporting, channel performance dashboards, and AI-assisted reporting workflows that summarize key changes, highlight anomalies, and explain performance trends in plain English. Typical projects I can help with: - Shopify tracking audit and attribution fix - GA4 + Google Ads discrepancy investigation - Meta Pixel / CAPI deduplication audit - Server-side GTM implementation or audit - Consent Mode / CMP / GTM blocking review - GA4 → BigQuery → Looker Studio dashboard validation - Ecommerce tracking cleanup after apps, pixels, or theme changes - AI-assisted marketing reporting setup Typical deliverables include: - tracking and attribution audit reports; - GA4 / GTM / Meta CAPI implementation plans; - server-side GTM and ecommerce tracking QA; - BigQuery validation queries; - Looker Studio dashboards; - weekly or monthly reporting templates; - AI-assisted report summaries and insight workflows; - clear documentation for marketing and development teams. My approach is practical and diagnostic. First, I check whether the data is reliable. Then I identify where the tracking or attribution flow breaks. After that, I provide either a clean implementation, a prioritized fix plan, or a reporting system your team can actually use. I also use AI-assisted workflows to make reporting and documentation clearer: automated report summaries, anomaly checks, plain-English explanations of performance changes, structured QA checklists, and decision-ready recommendations based on GA4, BigQuery, Shopify, Google Ads, Meta Ads, and other marketing data. This does not replace technical expertise — it helps turn complex marketing data into clearer, faster, more actionable reporting. If you are not sure whether the issue is in GA4, GTM, Shopify, Meta, Google Ads, Consent Mode, server-side tracking, BigQuery, or the dashboard layer, I can help trace the full path and identify where the data breaks. My goal is simple: clean tracking, trustworthy reporting, and clearer marketing decisions.

If you need someone you can fully rely on to handle important tasks without constant supervision — I’m here to make your work easier. • Internet research & market insights • Structured and organized Excel data • Financial planning & monthly/yearly reporting • Virtual & administrative support • Business coordination & operations support • Accounting & B2B tasks • Or simply taking care of work you don’t have time for 7+ years of experience and $20,000+ earned on Upwork working with clients who value quality and reliability. I work independently, stay highly organized, and focus on delivering accurate, structured results on time. If something is new, I learn fast — but I only take on work when I’m confident I can deliver it at a high level. I take my work seriously and always give my full effort. If you’re looking for someone who makes things easier, not more complicated — let’s work together. Best Wishes, Tamta

Ambitious, results-driven, and highly adaptive professional with 5+ years of freelancing experience and 8,000+ hours logged on Upwork. My focus is on helping businesses streamline operations, build high-converting lead pipelines, and manage complex data environments—with specialized expertise in the Web3/Crypto space and AI data training. Over the years, I have developed a deep understanding of the cryptocurrency ecosystem, allowing me to handle crypto-specific market research, data entry, lead generation, and community or administrative support with absolute accuracy. I respect deadlines, communicate transparently, and act as a reliable partner for your long-term projects. How I Can Support Your Team: Crypto & Web3 Operations: Market research, cross-checking blockchain data entries, lead sourcing within the crypto/NFT space, and specialized administrative support. LinkedIn Lead Generation & Extraction: Building highly targeted B2B prospect lists and handling large-scale data extractions (50k+ records) with clean, actionable data formatting. AI Data Training & Validation: Correcting AI audio, validating and tagging AI images, and handling human-in-the-loop data quality assurance. General Administrative Mastery: Managing databases (Airtable, Excel), document handling, and virtual assistant tasks to keep your business running smoothly. Let’s connect and discuss how I can help optimize your workflows and scale your operations.

Need clearer financial reports, a reliable Excel model, or a dashboard that turns raw data into actionable business decisions? I’m a Financial & Data Analyst with over 5 years of experience in financial planning and analysis, budgeting, forecasting, management reporting, accounting, and audit. My professional background includes Deloitte and I recently completed a Master’s in Business Analytics. I combine strong financial knowledge with Excel, Power BI, SQL, Python and Tableau to help businesses organize their data, improve reporting, and make better decisions. I can help you with: ✔ Budgeting, forecasting and variance analysis ✔ Financial modeling and cash flow forecasting ✔ Excel dashboards, PivotTables and Power Query ✔ Power BI dashboards and KPI reporting ✔ SQL data extraction and analysis ✔ Python data cleaning, analysis and reporting ✔ Financial statement analysis and journal entry review ✔ Management accounting and monthly reporting ✔ Cost-benefit, profitability and spend analysis ✔ Bookkeeping review and data reconciliation Why work with me? • Top Rated freelancer with 100% Job Success • Over 5 years of finance and accounting experience • Previous audit experience at Deloitte • Master’s degree in Business Analytics • 8 out of 13 ACCA exams completed • Detail-oriented, reliable, and deadline-focused • Clear and professional communication I am available to start immediately and can support short-term projects, one-time assignments, or ongoing financial and analytical work. Let’s turn your financial and operational data into clear reports, useful dashboards, and better business decisions.

In my 14 years as a web analyst, I've turned my love for numbers into a business tool. I offer support in web analytics, whether it's setting up Google Analytics 4 (GA4), Google Consent Mode v2, Facebook (Meta) Conversion API (CAPI), Google Ads Conversion tracking or integrating custom conversion tracking systems. My aim is to help you maximize your data's potential and make your business more successful. 𝗪𝗵𝗮𝘁 𝗺𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝗮𝘆 ⭐ ------------------------------ "Ivan went above and beyond. Very thorough and helpful. Expert in his field and comes highly recommended from me as an Australian business owner." "Absolutely brilliant work by Ivan. He will be my go to person when it comes to anything in relation to tag installation and troubleshooting on websites. I can't recommend him enough!" "Can't get any better than this. Ivan is a true master craftsman and one of the most knowledgable in his field. It takes a genius to make complex things simple - that's Ivan for you!" 𝐖𝐡𝐚𝐭 𝐝𝐨 𝐢 𝐝𝐨: ------------------------------ ★ all types of tracking setup (goals, funnels, events, forms tracking, user behavior tracking and much more) ★ server-side tracking via Stape, Taggrs, Google Cloud (GA4, Meta, Google Ads, Tiktok Ads, Linkedin Ads etc) ★ standard eCommerce, Enhanced eCommerce, GA4 Ecommerce tracking setup ★ Facebook Conversions API setup ★ offline conversion tracking (Google Ads, Meta Ads) ★ building dashboards using Google Data Studio or Tableau ★ a/b tests via Google Tag Manager/Google Optimize/Convert/Optimizely ★ training (Google Analytics and Google Tag Manager) 𝐖𝐡𝐚𝐭 𝐚𝐩𝐩𝐬 𝐢 𝐜𝐨𝐯𝐞𝐫: ---------------------------- ★ Google Tag Manager / Google Tag Manager Server-Side / Google Analytics (Universal Analytics) / Google Analytics 4 (GA4) ★ Javascript, Google App Scripts, Python, SQL and Google API, Google App Scripts ★ Stape, Taggrs, Google Cloud ★ Tableau / Google Data Studio ★ Google BigQuery 𝐂𝐌𝐒/𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐢 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡: ---------------------------- ★ Wordpress ★ Shopify ★ Custom Built ★ Click Funnels / Unbounce / Leadpages / Leadshook / Active Campaign / Go High Level ★ Facebook Ads / Meta Ads / Google Ags / Bing Ads / Linkedin Ads ★ Clarity / Hotjar / Lucky Orange ★ Volusion ★ Hubspot ★ Improvely ★ Salesforce ★ Airtables ★ Booking apps ★ Typeform ★ Calendly ★ Squarespace ★ Wix ★ Thinkific ★ Tilda ★ TripleWhale