Hire the Best Data Scientists
in Ukraine

Clients rate our Data Scientists
Rating is 4.9 out of 5.
4.9/5
Based on 186 client reviews
Oleg B.

Zaporizhzhia, Ukraine

$50/hr
5.0
15 jobs

👋 Hi, I’m a 🏆 ⭐️⭐️⭐️⭐️⭐️Top Rated Python Data Engineer & Data Visualization Expert at GroupBWT - a 100+ person data engineering company and official AWS, Snowflake & Databricks partner, building enterprise data systems since 2009. As a Python Big Data Engineer, I specialize in designing scalable data systems. My role as a Big Data Engineer is focused on building reliable pipelines, automation, and analytics infrastructure. Every Python Data Engineer decision I make is oriented toward scalability, performance, and data reliability. I work as a Big Data Engineer and Python Data Engineer on enterprise-grade systems where architecture matters for both ingestion and transformation layers. As a Data Engineer, I ensure that raw data becomes structured, usable, and ready for business intelligence. Here’s how I support our clients as a Python Big Data Engineer: ✅ Our ETL pipelines process over 100 million records monthly across major cloud data warehouses
 ✅ My solutions reduce manual reporting effort by up to 80% through end-to-end automation
 ✅ We build Python Data Engineer workflows for integrating and transforming complex datasets ✅ Every pipeline is tested and quality-checked to meet enterprise data standards 🔁 What I Do as a Python Azure Data Engineer and azure data engineer ⚙️ Data Engineering (Python AWS Data Engineer Core Work) 🔹 API & event-based ingestion using Python Data Engineer best practices 🔹 Python + SQL transformations 🔹 Data modeling, schema design, enrichment 🔹 ETL/ELT into Snowflake, Databricks, BigQuery with Python Data architecture 🔹 Monitoring, retries, observability & data quality testing for Python Data pipelines 🔹 CI/CD for pipelines & cloud cost optimization as a Python Data Engineer Platforms I’ve delivered as a Python Data Engineer process 100M+ records/month, integrate 30–80+ APIs, and power real-time BI environments. 📊 Data Visualization & BI (Python gcp Data Engineer Perspective) 🔹 I bridge raw data with business decisions as a Python gcp Data Engineer 🔹 Power BI, Looker Studio & Tableau dashboards connected by Python GCP Data Engineer pipelines 🔹 Executive KPI reporting built by a Python AWS Data Engineer 🔹 Semantic layer & metric standardization in Python Data Engineer systems 🔹 Real-time reporting (<5 min latency) enabled by Python Data Engineer architecture 🔹 BI performance optimization from a Python Data Engineer point of view 🔹 Data storytelling for leadership & operations powered by Python Data Engineer workflows My solutions as a Python Data Engineer reduce manual reporting effort by up to 70-80% and significantly improve forecasting accuracy. 🧩 Recent Experience (Python Data Engineer and Machine Learning Projects) 🔹 Retail & eCommerce Data Warehousing (Python Data Engineer) Built ingestion + normalization pipelines for 120+ eCommerce sources, syncing ~500K SKUs/day into Snowflake / BigQuery using Python Data Engineer architecture. 🔹 FinTech Ingestion & Reporting Layer (Python Data Engineer ) Delivered automated pipeline pulling from 30+ sources (APIs, DBs, files), built with Python Data Engineer logic for validation, transformation, and reporting. 🔹 Government ETL & Document Processing (Python Azure Data Engineer | Data Analyst) Automated processing of 10K+ documents/day using Python Azure Data Engineer workflows and Machine Learning: extraction, classification, mapping, and database loading. 🔹 Healthcare Data Normalization & Compliance (Python AWS Data Engineer | Data Analyst) Cleaned millions of records using Python AWS Data Engineer pipelines with Machine Learning, schema mapping, PII-aware handling, and reproducible transformations. 🔹 Large-scale Cloud Migrations (Python Data Engineer | Data Analyst) Migrated legacy systems into BigQuery/Snowflake using Python Data Engineer architecture with Machine Learning, incremental loads and automated pipelines. 💻 Tech Stack (Python Data Engineer | Data Analyst Toolkit) ⚙️Languages: Python, SQL, DAX, Power Query, PySpark, Scala, Bash/Shell, JavaScript, etc.
 ⚙️Data Engineering & Processing: PySpark, dbt, Airflow, Prefect, CDC, REST & GraphQL, etc.
 ⚙️Data Warehouses & Databases: Snowflake, Databricks, BigQuery, AWS, PostgreSQL, MSSQL
 ⚙️Cloud Platforms: AWS: S3, Glue, Lambda, CloudWatch, Athena, Redshift, BigQuery, Dataflow
 ⚙️Data Modeling & Architecture: Star schema, Snowflake schema, Lakehouse architecture, etc.
 ⚙️Monitoring & Data Quality: dbt, Prometheus, Grafana, AWS CloudWatch, GCP Monitoring, etc.
 ⚙️BI & Visualization: Power BI (Desktop, Service), Tableau, Looker Studio, Metabase, etc.
 ⚙️DevOps & CI/CD: Git, GitHub, GitLab CI, Docker, Terraform, etc. 🚀 If you need automated pipelines, clean data models, and executive-level dashboards - as a Python Data Engineer and Data Analyst I can help you build a robust system from end to end. ➡️ Invite me to your job and let’s design a scalable data strategy with a Python Data Engineer leading the way. Last updated June 15, 2025

  • Data Analysis
  • Machine Learning
  • Python
  • ETL
  • Data Engineering
  • BigQuery
  • Data Visualization
  • Dashboard
  • Tableau
  • SQL
  • Data Warehousing
  • API
  • PostgreSQL
  • Looker
  • Microsoft Power BI
  • Business Analysis
  • Data Management
  • Big Data
  • Apache Spark
  • Data Warehousing & ETL Software
Sergii K.

Kharkiv, Ukraine

$46/hr
5.0
14 jobs

I am a Top-Rated Data Scientist and Researcher with a PhD in Remote Sensing and over 15 years of experience delivering high-performance R&D solutions for industrial, academic, and enterprise sectors. I specialize in bridging the gap between raw, noisy data and actionable business objectives, transforming complex signals into deployable machine learning pipelines. Whether it's developing novel diagnostic algorithms, predicting physical parameters from multi-channel data, or building advanced event-detection models, I design end-to-end architectures that solve complex, non-standard problems. My Recent R&D Successes Include: - Time-Series & High-Frequency Data: Engineered robust detection models for electric and water appliances using high-frequency data, providing highly accurate recognition pipelines. - Computer Vision & Remote Sensing: Developed predictive models for physical and nutritional parameters using hyperspectral imaging. - SOTA AI Implementation: Investigated and deployed ready-to-production State-of-the-Art (SOTA) AI/ML solutions based on advanced Kaggle competition methodologies. - Biomedical Data: Deep sleep data visualization and advanced processing for physiological monitoring. How I Help Businesses: - End-to-End Problem Solving: I handle the entire pipeline—from raw data evaluation, advanced feature engineering (using communication theory), to hyperparameter optimization and rigorous out-of-fold validation. - Advanced Digital Signal Processing (DSP): Extracting critical insights from 1D/2D signals, including noise assessment, filtering, and compression. - Deployable ML Architectures: Building predictive models with PyTorch, XGBoost, and OpenCV, optimized for real-world integration. Recognized Expertise: - Upwork Skill Certified in Data Science & Data Analytics - AWS Certified Machine Learning & Cloud Foundations - Author of 100+ Scopus-indexed publications (h-index: 14) - Tech Stack: Python (PyTorch, SciPy, Scikit-Learn, OpenCV), MATLAB, Signal Filtering, Multivariate Statistics, SQL, Cloud Computing (AWS).

  • Data Science
  • Data Analysis
  • Python
  • Python Scikit-Learn
  • Machine Learning Model
  • Multivariate Statistics
  • Digital Signal Processing
  • Statistical Analysis
  • Research Papers
  • Mathematics
  • Artificial Intelligence
  • Architectural Design
  • Amazon Web Services
  • Cloud Computing
Fedir O.

Kyiv, Ukraine

$27/hr
5.0
7 jobs

Need a web scraping expert who can also build the backend around your data? I have 5 years of experience solving difficult extraction tasks, browser automation (Selenium, Playwright), session/cookies. I’ve built scrapers and data pipelines for different websites, where scraping is allowed. I always keep terms of service and do ethical scraping. I can deliver results in CSV, Excel, Google Sheets, send to your API, or ship the scraper itself. Just write me! Recent projects: • Scraped 200k car listings for an ML price prediction model using multiprocessing. • Built a content-harvesting backend (pipelines + Google Drive/Sheets) used in production. • Led a Django project that scrapes 100k+ content items (videos, articles, etc.) per week. • Developed an internal Python library for PostgreSQL via asynchronous SQLAlchemy. • Reviewed and fixed a client’s FastAPI project to improve reliability and speed. • Built automation tools for various websites. • Scraped transcripts for YouTube via an official YouTube API. Tech stack: • Python 3.12+, SQL; asyncio and multiprocessing for fast crawling • Scraping: Beautiful Soup, Scrapy, aiohttp, requests; Selenium, Playwright; HTML, CSS, XPath, JSON, • Backend: FastAPI, Django; JWT, OAuth2; PostgreSQL, SQLAlchemy (sync/async), SQLite, Alembic; Redis • Data & automation: Pandas, NumPy; Google Sheets/Drive; Telegram API (Telethon, python-telegram-bot); OpenAI GPT API • Dev & ops: Docker, CI/CD, GitLab, GitHub; pytest If you need parsing, scraping, crawling, data extraction, data mining, or an automation script, just send 1-2 target URLs and a sample of the desired output columns. I’ll propose the best approach, the anti-bot plan, and a quick prototype. I always keep the terms of service. I also handle data cleaning and enrichment with Pandas, plus ETL pipelines, so you get ready to use datasets. As a Python developer who cares about code quality, I write clean, readable code that follows PEP8 and OOP principles, and I cover key parts with tests for long-term stability. Send me a brief description and technical requirements of your project, and I’ll solve your problem!

  • Data Analysis
  • Python
  • API
  • Redis
  • PostgreSQL
  • Web Scraping
  • Data Scraping
  • Database
  • ETL
  • AI Development
  • Microsoft Excel
  • Artificial Intelligence
  • SQLAlchemy
  • FastAPI
  • OpenAI API
Volodymyr K.

Lviv, Ukraine

$50/hr
5.0
122 jobs

AI Developer Top-rated Plus (Upwork Top 1%) AI Agents, Generative AI & Full Stack Development I help companies as AI Developer design, validate, and ship AI products fast, with a strong focus on AI Agents, Generative AI, and proAI Developer (Upwork Top 1%) AI Agents, Generative AI & Full Stack Development 8+ Years in AI & Machine Learning — production systems, not prototypes 50+ AI Products Delivered — from MVP to enterprise scale Top 1% AI Developer on Upwork AI MVPs shipped in 4–8 weeks — structured delivery, no overengineering HIPAA / SOC2 / GDPR-ready AI systems Full-cycle delivery — architecture, development, deployment, and optimization Trusted by teams in Healthcare, FinTech, Logistics, Real Estate, and E-commerce As a Senior AI Developer and Full Stack Software Engineer, I build production-ready Generative AI applications, custom AI Agents, and scalable machine learning systems. With 8+ years in Machine Learning and software architecture, I work as an AI Developer, AI Engineer, and Full Stack Developer. Together with Indeema, a full-cycle AI and custom software company, I lead teams that turn AI strategy into deployed systems, from data pipelines and LLM orchestration to scalable backend architecture and enterprise integrations. Proven track record with a 100% Job Success Score Consistently earning 5★ client feedback 8+ years building production-ready AI systems Clean, scalable, and enterprise-grade architecture From idea to deployed MVP in 4–8 weeks My structured delivery approach takes products from idea to working MVP in 4–8 weeks. AI Agent Consulting & Delivery I consult and implement agentic AI systems that observe, reason, and act across business workflows: AI Agents & Autonomous Workflows LLM-powered Products and Copilots RAG Systems and Knowledge AI AI Orchestration Architectures AI Integration into existing platforms AI MVP validation and architecture design My approach combines strategy, architecture, and delivery helping companies avoid costly overengineering and ship production-ready AI faster. What I Deliver AI Agent for Document Management AI Agent for Real Estate AI Agent for Inventory Management AI Agent for Fintech and Financial Management AI Agent for Medical Clinics and Image Analysis AI System for Advanced Analytics Agentic AI System Design Generative AI Development Machine Learning and Predictive Analytics AI App Development and Automation NLP, Computer Vision, and Data Science Enterprise AI Integration and Modernization I work across Healthcare, FinTech, Logistics, Real Estate, and E-commerce, building systems that improve operations, reduce manual work, and unlock new revenue streams. AI MVPs in 4–8 weeks using a structured delivery methodology HIPAA / SOC2 / GDPR-ready solutions AI integration with ERP, CRM, and legacy systems Dedicated AI teams and fractional CTO leadership ⚙️ Technologies Python, TensorFlow, PyTorch, LangChain, LLM APIs (OpenAI, Claude, Gemini), AWS SageMaker, Vertex AI, Docker, Kubernetes, MLOps pipelines, vector databases, real-time AI systems. If you’re looking for a partner who can design the right AI solution and actually ship it, let’s talk.

  • Data Science
  • Machine Learning
  • Natural Language Processing
  • Python
  • Artificial Intelligence
  • Deep Learning
  • Amazon Web Services
  • React
  • Node.js
  • Artificial Neural Network
  • SQL
  • JavaScript
  • Git
  • CSS 3
  • PHP
  • Computer Vision
  • TensorFlow
  • Neural Network
  • Supervised Learning
  • Unsupervised Learning
Igor Z.

Novoborysivka, Ukraine

$20/hr
5.0
67 jobs

I specialize in professional web scraping and data extraction for businesses that need reliable, up-to-date, and structured information from complex and protected platforms. As a Python Automation specialist with 10+ years of experience in reverse engineering, bot development, Scraping, Web Scraping, Data Scraping, and Python automation, as well as advanced web scraping automation, data scraping, python data scraping, and data scrape systems. I solve challenging automation problems that others can't from advanced web scraping data extraction, data mining data scraping, and API analysis to scalable data scraping bot, web scraper, and data scraping tool development. My daily work focuses on building stable Scraping, Web Scraping, Data Scraping, and Python automation systems for lead generation, social media data extraction, professional network data collection, web scraping real estate, and enterprise data extraction. 🔧 CORE EXPERTISE Web Automation & Browser Automation I build robust automation solutions using industry-leading tools and frameworks focused on web scraping, web scraping automation, data scraping, scraping, and Python automation. Whether you need headless browser automation, workflow automation, or complex data scrape and data extraction pipelines, I deliver scalable systems based on selenium, selenium automation, python selenium, Playwright, Playwright automation, playwright python and Scrapy. My projects regularly include web scraping data extraction, data mining, data analyst workflows, data scientist pipelines, and machine learning data pipelines built through advanced automation engineering. My solutions integrate intelligent proxy rotation, selenium automation engineer practices, and stealth browser automation to keep scraping pipelines stable. 💻 TECHNOLOGY STACK I work daily with Python automation, web scraping, data scraping, and scraping automation using Python, Python Selenium, Selenium, Selenium automation, Playwright, Playwright automation, Playwright Python, Scrapy, BeautifulSoup, Zyte, and custom data extraction frameworks. My stack supports high-volume data scrape, data mining, data extraction, and lead generation pipelines, including data scraping bots, web scraper systems, and enterprise scraping tools. I develop scalable automation platforms using Python, TypeScript, and distributed automation engineering architectures. These systems power bot developer frameworks, operations specialist workflows, and machine learning data processing environments built on structured web scraping and Python automation systems. 🎯 SPECIALIZED SOLUTIONS BY INDUSTRY I build web scraping and data scraping systems for price monitoring, competitor analysis, and product intelligence using Selenium automation, Playwright automation, and Python automation pipelines. I develop social media and professional networking data extraction tools for automated lead generation, data extraction, and CRM integration based on scalable scraping automation frameworks. I design data extraction, data mining, and data scrape systems for data scientists, data analysts, and machine learning teams using Scrapy, BeautifulSoup, Zyte, and enterprise Python automation infrastructure. I create financial data scraping systems, and automation pipelines for paid advertising analytics optimization and campaign performance tracking powered by web scraping and data scraping technologies. I implement web scraping real estate and data scraping lead generation systems for property platforms, real estate listing aggregators, and operations specialist workflows using Selenium, Playwright, and Python automation. 🚀 WHY WORK WITH ME - I specialize in complex scraping, web scraping automation, and data scraping challenges that require deep technical analysis. - Successfully delivered 50+ projects in web scraping, data scraping, scraping automation, and Python automation, ranging from simple data entry systems to enterprise scraping infrastructures. 📬 LET'S TALK Need professional Scraping, Web Scraping, Data Scraping, and Python automation services? Looking for a reliable automation engineer, bot developer, or data extraction specialist? Send me your project details. I typically respond within 2 hours and can start within 24–48 hours.

  • Data Mining
  • Python
  • Data Scraping
  • Data Extraction
  • Automation
  • Selenium
  • Data Entry
  • Lead Generation
  • Web Crawling
  • Scrapy
  • List Building
  • Web Scraping
  • Data Collection
  • JavaScript
  • Microsoft Excel
  • Beautiful Soup
  • API Integration
  • Marketing Automation
  • Node.js
  • Python Script
Vadym S.

Kharkiv, Ukraine

$75/hr
5.0
28 jobs

🏅 Expert-Vetted Top 1% on Upwork 🏆 Top 10 Machine Learning Agency on Upwork 🎖 7+ Years Delivering Production AI Systems Struggling to turn video or image data into reliable production AI? With 7+ years as a Computer Vision Engineer, I’ve delivered 20+ production systems and helped cut manual inspection time by 35% for sports, industrial, satellite, and healthcare teams. Let’s build detection, tracking, segmentation, or edge AI that works in the real world. 🎯 HOW I CAN HELP YOU COMPUTER VISION SYSTEMS Turn visual data into accurate, production-ready outputs that improve decisions, automate manual review, and scale across real-world conditions. I build systems for detection, tracking, segmentation, pose estimation, and video analysis that stay robust under occlusion, low light, and multi-camera setups. SPORTS ANALYTICS AI Convert broadcast or field video into player tracking, ball trajectories, and performance metrics that help teams measure more and react faster. My sports systems have covered football, tennis, pickleball, and 3D ball tracking with calibration and real-time inference optimized for usable match insights. INDUSTRIAL INSPECTION AUTOMATION Reduce defects, speed up quality control, and catch issues before they hit production. I have delivered defect detection and segmentation systems for manufacturing use cases, including fabric defects, roof inspection, and image stitching pipelines for precision analysis. SATELLITE AND AERIAL IMAGE ANALYSIS Extract actionable intelligence from drone and satellite imagery to support infrastructure monitoring, mapping, and large-area inspection. I use YOLO-based detection and segmentation pipelines that handle sparse labels, variable resolution, and geospatial complexity. REAL-TIME EDGE AI DEPLOYMENT Get low-latency AI running on NVIDIA Jetson, cloud APIs, or embedded devices without sacrificing accuracy. I optimize models with TensorRT, ONNX, Docker, and C++ when needed, helping clients meet strict speed and hardware constraints in production. 🤝 𝗚𝗘𝗧 𝗜𝗡 𝗧𝗢𝗨𝗖𝗛 Message me on Upwork if you need a Computer Vision Engineer or Machine Learning Engineer to turn your idea into a production-ready AI system. I can help with a free consultation, scope the best approach, and move fast on your next build. I typically respond within 4 hours and can prioritize urgent projects. 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 I build computer vision systems with OpenCV and PyTorch, productionize machine learning models in TensorFlow, and deploy Python pipelines for real-time video analysis and image segmentation.

  • Data Science
  • Machine Learning
  • Natural Language Processing
  • Python
  • Computer Vision
  • Deep Learning
  • Artificial Intelligence
  • OpenCV
  • PyTorch
  • Image Processing
  • TensorFlow
  • Automation
  • Deep Neural Network
  • C++
  • Keras
  • Data Entry
  • Neural Network
  • Image Recognition
  • 3D Modeling
  • Photogrammetry

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