Hire the Best Data Engineers
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💫 The Story Started as a broke philosophy student in Kyiv who taught himself Python to automate his part-time job at a logistics company. Accidentally built an ETL system that saved them $50K annually. Philosophy degree? Abandoned. Data engineering career? Born. 💭 Philosophy "Data engineering is like being a digital architect, plumber, and fortune teller all at once. We build the invisible infrastructure that powers tomorrow's innovations, fix the pipes when they break, and predict what will break next. It's the most beautifully chaotic job in tech." 📍 Currently: Building the future of financial data while chasing the perfect work-life-travel balance 🎪 Fun Fact: Once fixed a critical production bug while stuck in a Romanian cable car during a thunderstorm. The WiFi was surprisingly good.

🏆5+ years of daily experience in Google Tag Manager (GTM) with 200+ completed projects 🥇GA4 Certified ✅ Google Ads Tracking ✅ Shopify, WordPress✅ Facebook conversion API ✅ Server-side and Offline conversion tracking🥇TOP RATED ⭐5/5 Reviews 👋 Hi there! I'm a Google Tag Manager expert with 5+ years of experience and over 200 tracking setups delivered for clients across Shopify, WordPress, Magento, Webflow, and more. I've helped 200+ businesses fix broken tags, implement conversion tracking, and boost ROAS with clean, scalable setups across GA4, Google Ads, Meta (incl. CAPI), Bing, TikTok, Snapchat, and others. ✅ 5+ years in Google Tag Manager & web analytics ✅ 200+ tracking projects completed ✅ 12+ platforms covered (Shopify, Wordpress, HubSpot, BigCommerce, etc.) ✅ Deep expertise in 10+ consent management platforms, server-side tagging, and eCom events I'm excited to share the variety of services I offer, which include: 1️⃣ Google Tag Manager ✅ Setting up tracking (GA4 tracking, G-ads tracking, Meta tracking, TikTok tracking, Bing tracking, etc.) ✅ Offline conversion tracking ✅ Enhanced conversion tracking for Google Ads ✅ Advanced tracking for Meta conversions (via Google Tag Manager) ✅ Consent Management Configuration (any CMPs) ✅ Google Tag Manager Audit (I audited 100+ tracking setups) ✅ UTM parameters passing (via Google Tag Manager) ✅Proficient in writing custom JavaScript tags and variables ✅ Consent Management Platform implementation (via Google Tag Manager) ✅ Strong debugging skills using Tag Assistant, Chrome DevTools, and Meta Pixel Helper 2️⃣ Server-side tracking ✅ Strong background in server-side conversion tracking for Google Ads, TikTok, and LinkedIn ✅ Shopify server-side tracking via Elevar, Reaktion, and custom solutions. ✅ Server-side tracking via Google Cloud, Stape, Taggrs ✅ Facebook (Meta) conversion API implementation ✅ Ensure proper event deduplication for Facebook & Google Ads ✅ First-party cookies configuration (extended lifetime) ✅ Server-side conversion tracking for Google Ads, TikTok, and LinkedIn ✅ Optimize tracking to bypass ad blockers & cookie restrictions ✅ Validate setup using developer tools, debugging tools, and real-time analytics 3️⃣ Google Analytics 4 (GA4) ✅ GA4 setup and advanced configuration ✅ E-commerce Tracking ✅ Setting up GA4 conversion tracking, funnel reports, custom events and dimensions ✅ Any custom reports (explorations) ✅ GA4 certified 4️⃣Other ✅ Proficient in using TripleWhale, Tableau, Elevar ✅Strong background in consent solutions implementation 🔥 Why Choose Me? 🔥 ⭐ Expertise: I am deeply knowledgeable about Google Tag Manager, conversion tracking and have successfully completed over 200 projects, showcasing my reliability and expertise. I have a proven, extensive 5-year experience in tracking for Google Ads, GA4, and Facebook CAPI. ⭐ Attention to detail: I am meticulous in my work and will ensure that your tracking is set up correctly. ⭐ Communication: I believe in clear and transparent communication with my clients. You'll always know what I'm doing and why. ⭐ Passion: I truly enjoy what I do and am committed to delivering the best results possible for my clients. ⭐ Full-stack tracking: I can set up everything you need. 🚀 So, if you're ready to improve your conversion tracking, I'm here to help. 📞 Contact me today to discuss your project and see how we can work together to achieve your goals. Best, Roman Your Google Tag Manager / GA4 / Conversion Tracking Expert ///////// Buzzwords: Google Tag Manager | Web Analytics | Google Analytics 4 | Conversion Tracking | Marketing Automation | GTM Expert | GA4 Engineer | GA4 dashboard | GA4 funnel |Lead Tracking | Facebook CAPI | Consent Management Platform | E-commerce Tracking | Shopify Pixel | Dynamic Retargeting | Event tracking | Data Llayer Management | Tag management | GTM Troubleshooting | GTM audit | Server-side Tracking | Enhanced Conversion Tracking | Google Ads conversion tracking | Facebook Pixel integration | Custom dimensions and metrics | Funnel analysis | Attribution modeling | Audience segmentation | A/B testing | Data-driven insights | GA4 Specialist | Shopify Extensibility Checkout | Pixel Implementation | Customer Journey Mapping | Privacy-Compliant Tracking | CookieBot | CookieYes | Consent Banner | Google Consent Mode | Custom JavaScript | Tag architecture planning | Measurement planning | Compliance (GDPR, CCPA) | Google Ads Offline Conversions | Call tracking | Cross-channel measurement | Facebook Pixel optimization | Event matching | Cookie compliance | IAB | TCF | Consent preferences | Checkout tracking | Microsoft Ads Enhaced Conversion Tracking | HubSpot | Elevar | Google analytics | Google analytics expert | Google analytics certified

🟢 Looking for a developer who can boost your business processes using AI? 🟢 Hi, I’m Vitaliy, Top Rated Plus Python Developer and Automation Expert at DataOx with 10+ years of experience in Python and Java backend development, AI-powered automation platforms, LLM integrations, and large-scale data systems. For 8 years on Upwork I’ve completed numerous projects, maintaining a 97% Job Success score, delivering production-ready systems, AI agents, workflow automation solutions, data pipelines, and intelligent backend architectures that help companies reduce manual work, process high volumes of data, and scale operations efficiently. ⭐️⭐️⭐️⭐️⭐️ "The team is extremely efficient, creative, communicative, and flexible. They are excellent at bringing ideas and concepts to life. Our team has worked with other developers in the past, and no one compares to these guys. Do yourself a favor and hire them for your project." What I can help you with: • Web scraping & data extraction (complex, dynamic websites, anti-bot bypass) • API development & integrations (REST APIs, third-party services) • Workflow automation, RPA & backend systems • AI solutions: AI Chatbots, AI Agents & AI Automation for business workflows, LLMs, NLP, bots, intelligent processing • ETL pipelines & data engineering • System integration & custom tools • Python and Java backend, Web Applications & SaaS platforms My Technical Stack AI & LLM Systems: OpenAI API, LangChain, PyTorch, TensorFlow, LLM integration, RAG pipelines, multi-agent workflows, prompt engineering & optimization, AI chatbot backends Backend & Automation: Python, Java, FastAPI, Flask, Django, Spring Boot, REST APIs, Playwright, Selenium, Scrapy, BeautifulSoup Frontend: JavaScript, TypeScript, ReactJS, Next.js, Tailwind CSS Data & Infrastructure: Pandas, SQLAlchemy, PostgreSQL, MongoDB, BigQuery, Airflow, Docker, Kubernetes, AWS, GCP, Azure My Results in Numbers: 🔶 AI Recruitment Platform: Built AI hiring platform with 900K+ candidates, 20K jobs, 2.5K companies, 120K assessments/year, 20K video interviews, 680K candidates via integrations. 🔶 Global Certification Data Platform: Automated aggregation of 500K+ records/month, reducing search time from days to 15–30 minutes and accelerating deal cycles by 3-5x. 🔶 AI Document Intelligence System: Processed 1M+ documents/year with LLM, achieving 90%+ extraction accuracy, reducing manual work by 80%, handling 50+ document types, and scaling to 10K+ documents/day with automated validation Why Clients Choose Me Experience: 10+ years in backend engineering, Python development, Java Development and scalable AI systems Proven Quality: 97% Job Success Score and Top Rated Plus on Upwork Expertise: AI automation, LLM integrations, workflow automation, and production-ready backend architectures 📩 Send me your project requirements, and I’ll provide a clear, high-impact strategy to turn your vision into reality.

I help companies collect, structure, and scale data from the web — reliably and at volume. With 13+ years in data engineering, I specialize in building robust web scraping systems that handle everything from simple extraction to large-scale, high-frequency pipelines. What I do: - High-load web scraping (eCommerce, marketplaces, directories, social media) - Large-scale data extraction (millions to billions of pages) - CAPTCHA bypass, anti-bot handling, proxy rotation - API reverse engineering & dynamic content scraping (JS-heavy sites) - Data cleaning, structuring, and delivery (CSV, DB, APIs) - Ongoing scraping systems with monitoring & auto-recovery Proven results: - 500M+ pages processed daily - Top Rated Plus (Top 3%), 100% Job Success - 92% client return rate I don’t just scrape data — I build reliable data pipelines your business can depend on. Let’s discuss your use case and get your data flowing.

I build Enterprise Data Platforms & Reporting Systems where every Power BI Dashboard is backed by a clean Database + reliable ETL Pipeline + strong Data Modeling & practical Data Analysis As a Data Analyst & Data Engineering specialist I help companies turn scattered data into trusted reporting systems using: Azure DevOps Snowflake Microsoft Power BI Microsoft Azure SQL Database Microsoft SQL Server Azure Data Factory Databricks Platform modern Data Warehousing architecture My core focus is simple: Azure DevOps for reliable delivery Power BI Dashboard systems for executive reporting Database architecture for real scale Snowflake for scalable Data Warehousing ETL Pipeline automation for stable data flow Data Analyst thinking behind every business metric I usually help when data is spread across: SQL Server Microsoft Azure SQL Database PostgreSQL MySQL NoSQL APIs ERP systems Excel files Google Sheets Snowflake Azure Data Factory Azure Data Platform Azure Databricks Databricks Platform dbt data build tool workflows I design the full path from raw data to business reporting: Data source to ETL Pipeline to Database to Data Warehousing to Data Modeling to Data Analysis to Power BI Dashboard to Data Visualization For Azure projects I use Azure DevOps + Azure Data Factory + Git + Terraform + CI/CD + DataOps + structured deployment workflows to make Data Engineering predictable. Azure DevOps is especially useful when your ETL Pipeline needs version control + automated releases + environment separation & stable deployment For Snowflake projects I design Snowflake Database architecture + Snowflake Data Warehousing + Snowflake cost optimization + dbt data build tool workflows + Database layers + Data Integration logic & reporting-ready Data Modeling. A Snowflake system should not just store data. It should make every Dashboard faster + cleaner & easier to trust For Power BI projects I work across the full lifecycle: requirements Database audit ETL Pipeline logic Data Modeling DAX KPI Scorecards KPI Dashboards Dashboard Design Microsoft Power BI reporting Microsoft Power BI Data Visualization Power BI Developer support Power BI Expert consulting Power Bi Report Builder performance tuning A recent Azure Data Architect project included ADF ingestion workflows + incremental & full-load pipelines + reusable templates + logging + scheduling + error handling + schema drift handling & bronze layer reliability. That is the type of practical Data Engineering foundation I build before dashboards are created I can help with: ▪ Azure DevOps workflows for CI/CD + Git + Terraform + DataOps & controlled data releases ▪ ETL Pipeline and ETL Pipelines architecture with Azure Data Factory + SQL + Python + APIs & dbt ▪ Snowflake Database architecture + Snowflake Developer tasks & Snowflake Data Warehousing ▪ Microsoft Azure SQL Database + Microsoft SQL Server + SQL Database + SQL Server + PostgreSQL + MySQL & NoSQL optimization ▪ Databricks Platform & Azure Databricks workflows for scalable processing ▪ Data Modeling with star schema + DAX + semantic models + KPI logic & Database reconciliation ▪ Microsoft Power BI Dashboard development for finance + healthcare + sales + SaaS + ecommerce & operations ▪ Data Visualization + Dashboard Design + Looker Studio + Tableau Dashboard migration & Excel Dashboard migration ▪ Business Intelligence + KPI Dashboard + KPI Scorecards + Automated Reporting & Reporting Tool setup ▪ Python automation + Python Data Analysis + Data Science + Machine Learning + Statistics Data Analysis + Data Analytics & MLOps-ready reporting If your Database is slow I optimize the structure If your ETL Pipeline is unstable I redesign the workflow If your Snowflake warehouse is expensive I review the architecture If your Power BI Dashboard is beautiful but unreliable I rebuild the Data Modeling layer If your reporting still lives in Excel Dashboard files I migrate it into a scalable Power BI Dashboard & Database setup If your team needs: Database Architect Azure Data Engineer Data Engineer Data Analyst Power BI Developer Snowflake Architect Business Intelligence specialist I can help define the right technical path before development starts I'm not just a Power BI developer. I work as a Data Analyst + Data Engineer & Data Architect who understands how raw data becomes business value I also help teams with: Data Quality Data Governance Data Cleaning SQL Reporting Power BI Reporting Database Documentation KPI logic stakeholder-ready dashboards for ongoing business decisions Send me your current reporting problem & I will show you how I would structure: Azure DevOps workflow Snowflake Database ETL Pipeline Data Modeling Microsoft Azure SQL Database layer Power BI Dashboard ⭐⭐⭐⭐⭐ 🏆 Wait, you’ve actually made it to the very end! I highly value your attention to detail and professional approach. As a reward for your genuine interest, I’ll grant you a discount. Just mention "1 in 100" in your first DM

Need an AI pipeline or data platform built for production - not just a prototype? I ship end-to-end AI and data systems that handle real scale: 1M+ documents, 100+ production pipelines, 10x costs optimization. 12+ years building for DraftKings, DataRobot, Sift, and Sentra. Now I help companies turn AI proof-of-concepts into production systems that actually work. Recent solutions & projects: - Built QA framework and developer tooling for AI-powered lease extraction platform - test infrastructure for validating LLM extractions across 19 lease term categories (with 92+ test cases), plus an internal web tool for debugging, prompt reconstruction, and one-click test case generation. - Built AI-powered search API with hybrid vector+semantic ranking (1M+ CV files across 6 brands) - Re-engineered 100+ ETL pipelines - 10x infrastructure cost reduction - Conversational analytics platform: natural language to business insights for logistics What I Build: 1. RAG & Knowledge Systems Production pipelines, vector database optimization (Azure AI Search), hybrid search with reranking, custom embeddings for domain-specific retrieval 2. LLM Integration OpenAI, Anthropic, Azure OpenAI - function calling, structured outputs, agent orchestration, prompt engineering for consistent results 3. Backends & Data Platforms FastAPI, async Python, cloud-native on AWS/Azure/GCP, data warehouses (Snowflake, BigQuery, Databricks), real-time and batch pipelines. Tech Stack: Python, FastAPI, Docker, Kubernetes, Terraform, AWS/Azure/GCP, Databricks, Snowflake Industries: Financial Services, Telecom, Data Security, Logistics, Legal, Recruitment