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I’m a Machine Learning Engineer and AI Systems Lead with a track record of architecting, deploying, and scaling complex AI systems across diverse industries (Healthcare, E-commerce/BeautyTech, and Deep Research). I don’t just build models in notebooks - I design end-to-end, production-grade systems. From orchestrating multi-stage LLM agents to building real-time Computer Vision pipelines and high-stakes medical predictive models, I focus on reliability, scalable architecture, and measurable business value. Whether you need a standalone ML expert to own a project from zero to one, or an AI Lead to define roadmaps and integrate with your existing engineering team, I bring both hands-on technical depth and high-level architectural vision. 🚀 What I help clients with • LLMs, Generative AI & Deep Research - Agentic Workflows: Architecting multi-stage reasoning workflows and LLM orchestration. - Advanced RAG: Retrieval-Augmented Generation over large, proprietary knowledge bases. - Semantic Search: Embedding-based similarity search and structured knowledge retrieval. • Computer Vision & Multimodal Systems - Real-time CV: Virtual Try-On (VTO) systems, AR filters, and image segmentation. - Facial Recognition: Facial landmark detection and precise spatial mapping pipelines. - Multimodal AI: Recommendation systems combining image embeddings with product metadata. - Embedding-space similarity search for personalized user experiences. • Predictive Modeling & Classical ML - High-Stakes ML: Predictive disease risk estimation and clinical classification. - Classical Pipelines: XGBoost, Random Forest, and statistical analysis on structured data. - Custom Evaluation: Frameworks prioritizing precision/recall tradeoffs for safety and compliance. - Model interpretability and alignment with strict domain/industry regulations. • Production, MLOps & High-Performance Engineering - End-to-End Architecture: Designing ML systems from data ingestion to API deployment. - High-Performance Languages: Python, C++, Rust, Java, and JS/TS for optimized inference. - MLOps Leadership: Implementing best practices for experimentation, tracking, and evaluation. - Team leadership, architectural roadmapping, and cross-functional technical alignment. 🧠 How I work • Architectural Rigor: I build for production. Strong focus on clean code, system architecture, and MLOps best practices. • Domain Adaptability: Proven experience delivering solutions in highly regulated (Healthcare B2B) and highly visual (BeautyTech/E-commerce) spaces. • Safety & Interpretability: I understand that ML isn't a black box. I build explainable, compliant models with strict evaluation guardrails. • Leadership & Ownership: Comfortable leading ML teams, making high-level architectural decisions, and navigating ambiguous business problems.

🎁 𝐆𝐄𝐓 𝐘𝐎𝐔𝐑 𝐅𝐑𝐄𝐄 𝐀𝐈 𝐑𝐄𝐀𝐃𝐈𝐍𝐄𝐒𝐒 𝐀𝐔𝐃𝐈𝐓 - send me a message and I'll analyze your stack, data pipelines, and AI use cases. I'm a Machine Learning Engineer & AI Python Developer with 10+ years of experience building Machine Learning systems, AI solutions, AI Agents, and production infrastructure for SaaS, fintech, manufacturing, healthcare, and enterprise companies across the US and Europe. ✅ I work with a team of 90+ engineers across Machine Learning, AI, DevOps, and Backend disciplines. Delivering end-to-end Machine Learning solutions from data pipelines and model development to deployment, monitoring, optimization, and scaling in production environments. 🎯 What I bring to your product as a Machine Learning Engineer and AI Agent Developer: ✔️ Over 10 years of commercial experience as a Machine Learning Engineer, AI Developer, Python Developer, and Data Scientist, building scalable products for startups and enterprise organizations. ✔️ As a Machine Learning Engineer, I design and build production-grade Machine Learning systems using Python, delivering measurable business outcomes. My solutions have improved operational efficiency by up to 200% and reduced infrastructure costs by as much as 55%. ✔️ As an AI Agent Developer, I build AI Agent systems using LangGraph, CrewAI, OpenAI, Claude, Gemini, Llama, and Mistral. I develop multi-agent architectures for customer support, internal automation, and enterprise workflows. ✔️ My AI Agent experience includes AI sales agent systems, AI business development automation, AI agents for Etsy marketing workflows, and AI agents supporting Pinterest marketing operations. ✔️ As an AI Developer, I deliver AI copilots, Generative AI applications, and LLM-powered platforms using GPT-4, GPT-5, Claude, and open-source models integrated directly into business processes. ✔️ As a Machine Learning Engineer and Data Scientist, I specialize in NLP, semantic search, recommendation systems, anomaly detection, Named Entity Recognition, sentiment analysis, and intelligent automation. ✔️ As a Python Developer, I build Retrieval-Augmented Generation (RAG) systems using Pinecone, Weaviate, Chroma, and enterprise knowledge bases connected to SQL, PostgreSQL, MongoDB, and CRM platforms. ✔️ As a Machine Learning Engineer specializing in Computer Vision, I develop object detection, segmentation, OCR, and Document AI systems using YOLOv8, Detectron2, OpenCV, Amazon Textract, and Google Document AI. ✔️ As an AWS DevOps Engineer and Cloud Engineer, I design highly available infrastructure using AWS, Kubernetes, Docker, Terraform, Jenkins, Kafka, Prometheus, Grafana, and NGINX. ✔️ As an Azure DevOps Engineer, I deploy Machine Learning workloads using Azure DevOps, Azure Data Factory, Terraform, and cloud-native deployment strategies for enterprise environments. ✔️ I regularly collaborate with Data Scientists, Data Analysts, Web Developers, Product Managers, and engineering teams to transform prototypes into scalable production systems used by thousands of end users. 📊 My Achievements in Numbers: 🔶 Machine Learning Engineer for Enterprise Support Platform ▪️ Reduced support workload equivalent to 3 full-time employees. ▪️ Decreased response times from hours to seconds. ▪️ Improved customer satisfaction metrics by more than 40%. ▪️ Processed millions of support interactions annually. 🔶 AI Agent Developer for Fintech Company ▪️ Built and deployed multiple AI Agent workflows in production. ▪️ Automated more than 80% of repetitive operational tasks. ▪️ Reduced manual processing time by 70%. ▪️ Increased team productivity across multiple departments. 🔶 Machine Learning Engineer for Manufacturing Company ▪️ Reduced defect escape rates to near zero using Computer Vision. ▪️ Eliminated thousands of hours of manual inspection work annually. ▪️ Improved quality control efficiency by more than 150%. 🔶 AWS DevOps Engineer for SaaS Platform ▪️ Increased deployment frequency from 1 deployment per month to 120. ▪️ Reduced deployment times by 85%. ▪️ Lowered infrastructure costs by 55%. ▪️ Improved platform reliability and scalability across cloud environments. Why should you hire me as your Machine Learning Engineer? ▪️ 10+ years of experience in Machine Learning, AI Development, Python, and Data Science. ▪️ 50+ Machine Learning and AI projects successfully delivered. ▪️ 90+ engineers available for large-scale engagements. ▪️ Experience across SaaS, fintech, healthcare, manufacturing, and enterprise industries. ▪️ Expertise in Machine Learning, AI Agents, Computer Vision, NLP, RAG, and Generative AI. ▪️ Strong background in AWS, Azure DevOps, Kubernetes, and Terraform. ▪️ Hands-on experience taking Machine Learning and AI products from concept to production. If you're looking for a Machine Learning Engineer, AI Agent Developer, AI Developer, Python Developer, or Data Scientist who can design, build, deploy, and scale production-ready AI systems.

I'm an experienced data scientist specializing in data analysis, preprocessing, and AI-based solutions. I help clients identify when their real problem is in the data rather than needing complex ML algorithms. I excel in solving complex business challenges through tailored solutions and expert consultation. I'm skilled in advanced math (academic level), AI agents, and data visualization (Looker Studio), which can be a stand-alone consultation or a nice bonus to your project! I deliver comprehensive end-to-end solutions - from data provider negotiation to preprocessing, modeling, implementation and documentation. I'm also available for consultation. "Greg knows LLM tools like langchain *really* well. He understood a genuinely tough problem and helped me solve it super fast. Highly recommended!" "Grzegorz Wiktorowicz, is a great financial developer...he understands the problem very quick and and dig that problem in minute manner and sloves it...hoping to catch with him in future projects .thanku" "Thank you very much sir for the super fast and extremely professional algorithm and program creation. I am super happy that we have met and I definetely would like to work together in many many more projects together." "Very professional and quick! Extremally detailed response and provided with ways to improve our business as an extra! We will for sure hire again! Thanks again" With over a decade of experience, I've successfully addressed a wide range of business issues, including internet casinos, sports betting, logistic optimization, and stock trading, among others. Employing detailed analysis and strategic resource planning, I've consistently delivered results that meet or exceed client expectations. Proficient in Python, C, and SQL, I hold cloud-native certifications as a Google Cloud ML Engineer and Data Engineer. Beyond task execution, I possess a deep understanding of methodologies, their strengths, and limitations. My background as a former scientist uniquely positions me to ensure your projects align with best practices and achieve your objectives. My adaptability and extensive knowledge make me an ideal partner for your data science needs. Whether you require data-driven solutions, want to discuss your project's unique demands, or need guidance on best practices, please don't hesitate to reach out. Initial consultations are free, and I'm eager to collaborate with you to achieve your goals. EXPERTISE: - data science and analytics - data engineering and management - Machine learning and AI - Quant trading - Data visualization and storytelling - Cloud engineering - consultation SKILLS: Python (full data stack, incl. Pandas, SciPy, Scikit-Learn, jupyter, plotly) Time Series Analysis/Forecasting (financial, trading, observations, predictions) Data visualisation - Looker Studio Masterclass certification GCP (BigQuery, Storage strategies, ETL, ML, migration, efficiency and cost reduction) - Google Cloud Professional Data Engineer certification - Google Cloud Machine Learning Engineer certification LLM (langchain, pinecone, llama.cpp, transformers, OpenAI, chatGPT) Git, docker, MATLAB, slurm, bash, linux, SQL (GoogleSQL, Postgres, MySQL) Statistics (academic level, incl. data analysis and modelling, Monte Carlo, bootstrapping, hypothesis testing) >> Drop me a massage so we can analyze your needs together (it's free!)

🏆 Experienced AI Engineer, Data Scientist and Founder @Stratify, An AI consultation agency 🤖 Extensive work with industrial, academic, R&D and start-up scale projects focusing on all aspects of AI Engineering, Data Science and Full Stack Development, such as: 🏢I studied Artificial intelligence in bachelors in a top rated University and published a lot of articles and publications about machine learning. My thesis was about the implementation of hybrid quantum classical ML in clouds env such as IBM cloud, AWS, and AZURE. 😇 I have worked for Microsoft for 1.5years as Azure Machine Learning Engineer. This gave me a headstart due to high achiever environment, high demand work culture and I worked on different windows and cloud technologies such DNS, DHCP, VPN, ExpressRoutes, and many others for L3&L4 support. 🗣️ I am Currently working on my Agency primary focusing on AI solutions for SMEs. I deliver high quality AI solutions that actually contribute the global positioning of companies around Europe. I have worked with Admind Branding and communication and LTIMindtree ltd to bring AI solutions to live. 🆙 Upwork ➝ My Focus has been Linkedin and Twitter. I gained clients there and established relationship with more that 11k followers. I was introduced to upwork recently by a Top rated designer a The impact that I deliver for clients and where my skillset is most valuable is at the intersection of AI, development, and your business objectives. I'm a highly creative technologist who understands the technicalities and complexity of AI, whilst also empathising with the need to deliver value. Whether it's rapidly developing an MVP, optimising an existing AI pipeline or building and deploying a production-ready AI system within your existing stack, I would love to help you on that journey using a tried and tested, proven framework that I've used for over 5+ years. I'm happiest when I'm working with innovative clients on inspiring projects, building something to make our society a better place! What can we build together? The sky is the limit... ❓WHAT MAKES ME DIFFERENT? 💡 Creativity ➝ A skill that is commonly overlooked in the technical space. Despite my technical education & experience, my passion lies in creativity. I have a keen eye for design and I love creating tangible solutions, services & products. Anything we create together will be bespoke to your exact needs. 🗣 Communication ➝ 90% of AI projects never make it to production, I've seen this first hand. A large contributor to this is ineffective communication and alignment with business value & objectives. I have over 5 years of experience with stakeholders at all levels communicating complex AI projects and selling these concepts into businesses. Hence, communication plays a huge part in my value proposition. I'm a clear & confident communicator with vast experience in public speaking, enablement & onboarding. 🤝 Trust ➝ From running my own businesses I know how hard it is to find people to trust. I'm a friendly, open & approachable person that strives to build rapport with you straight from the start. I value long lasting relationships where we can build incredible technology together! I would love to hear about your business & what you're working on, please reach out! You can rely on me to respond in an honest, timely & advisory manner always 👍🏽

🔥 Are you searching for a Machine Learning Engineer who can turn your data into actionable insights? Look no further! With my expertise in advanced machine learning techniques and a passion for solving complex problems, I am here to help you achieve remarkable results. Let's collaborate and unleash the true potential of your data-driven projects. 🚀 🌟 What sets me apart from other freelancers? 🌟 ✅ Extensive Experience: I have worked on a diverse range of machine learning projects, spanning various industries such as finance, R&D companies, and e-commerce. My expertise covers the entire machine learning pipeline, from data preprocessing to model development and deployment. ✅ Strong Technical Background: I hold a degree in Mechatronics Engineering with a specialization in Machine Learning. I am well-versed in a wide array of machine learning algorithms, including deep learning, reinforcement learning, and natural language processing. I am proficient in programming languages such as Python and have hands-on experience with popular frameworks and libraries like TensorFlow and PyTorch. ✅ AWS Knowledge and Experience: I have a strong understanding of Amazon Web Services (AWS) and its machine learning services. I can leverage AWS tools such as Amazon SageMaker, EC2, AWS Lambda, and AWS Glue to build scalable and efficient machine learning workflows and automated deployment and maintenance processes. I have hands-on experience deploying machine learning models on AWS and optimizing them for high performance and cost efficiency. ✅ Results-Driven Approach: I am committed to delivering exceptional results that exceed expectations. I am passionate about understanding your specific project requirements and tailoring machine-learning solutions that address your unique challenges. My goal is to provide you with actionable insights, accurate predictions, and robust models that drive tangible business outcomes. ✅ Collaborative Mindset: I believe in open and effective communication as the key to successful collaborations. I strive to maintain constant communication throughout the project lifecycle, ensuring that you are always aware of the progress and have opportunities to provide feedback. Your satisfaction is my top priority. ✅ Continuous Learning: Machine learning is a rapidly evolving field, and I stay up-to-date with the latest research papers, techniques, and industry trends. I am dedicated to expanding my knowledge and incorporating cutting-edge practices into my work, enabling me to deliver state-of-the-art solutions that give you a competitive edge. 🌟 Services I Offer 🌟 ✓ Data Preprocessing and Feature Engineering: I have expertise in cleaning and transforming raw data into meaningful features, enabling accurate model training and improved performance. ✓ Model Development and Training: I design and develop custom machine-learning models tailored to your specific needs. I employ a variety of algorithms and techniques to achieve optimal performance, accuracy, and interpretability. ✓ Model Evaluation and Optimization: I rigorously evaluate the performance of machine learning models using appropriate metrics and employ optimization techniques to fine-tune them for better results. ✓ AWS Integration and Deployment: I can assist in deploying machine learning models on AWS infrastructure, ensuring seamless integration with your existing systems. I have experience with Amazon SageMaker for model training and hosting, as well as AWS Lambda for serverless model deployment. ✓ Ongoing Support and Maintenance: I provide continuous support to ensure the long-term success of your machine learning solutions. This includes monitoring, troubleshooting, and updating models as needed. 🌟 Let's Collaborate! 🌟 If you're looking for a dedicated and skilled Machine Learning Engineer with expertise in AWS, who can turn your data into actionable insights and drive your business forward, look no further. Contact me today to discuss your project requirements and explore how we can work together to achieve remarkable results.

8 years’ experience | 60+ projects | 𝗠𝗮𝘀𝘁𝗲𝗿’𝘀 𝗶𝗻 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 & 𝗔𝗜 | Only 5-star reviews ⭐⭐⭐⭐⭐ Full Stack Developer & AI Developer / SaaS Developer & SaaS Architect — I'm a Python Developer & Web Developer focused on AI Solutions & SaaS, with strong skills as an AI Architect, Python Full Stack Developer / React Developer. You'll get an AI SaaS / Website prototype in 2 days and an AI SaaS solution shipped in 6-12 weeks. 🎯 WHAT I DO I ship production-grade AI SaaS / AI product end-to-end. You come to me when you need: 🔹 Full Stack development delivery — one senior point of contact, one accountable owner 🔹 AI development, AI Integration, LLM integration — RAG pipelines, AI agent, Voice Agent 🔹 SaaS MVP in weeks — built on architecture that scales beyond the prototype 🔹 A technical co-founder mindset — scoping the AI / SaaS development, making architecture decisions, owning the result 🎓 BACKGROUND I’m a Senior Full-Stack Developer / AI Developer & AI Solution Architect with 8+ years as an AI Python developer and 7+ years as a Full Stack Web developer, having delivered 60+ AI, SaaS, Web, Mobile, and Full-Stack projects. I hold a Master’s Degree in Data Science & AI and am preparing a PhD in AI. My focus spans Artificial Intelligence and Software Architecture & Design. 🛠 HOW I WORK As a Senior Full Stack Developer (React Python) and AWS Architect, I lead a small team — Backend Engineer (Python Node.js), Frontend (React Angular Next.js), Full Stack Developer AI (JavaScript Vue.js jQuery Bootstrap), AI Engineer (RAG NLP), Mobile App Developer (Flutter), UI UX designer / SaaS UX designer — all under my direct coordination. In my work as a Full Stack AI SaaS developer & Senior Python AI developer, I act as your delivery manager: one point of contact with the delivery capacity of a small agency. I work with Founders as a long-term Partner — calm execution, clear communication. 📌 AI-Powered SaaS Development As a Full Stack developer / SaaS AI Software Architect, I design a SaaS Startup MVP that scales beyond the first version — multi-tenant architecture, role-based access, billing, webhooks, pipelines. 🔹 SaaS architecture → Multi-tenant SaaS, RBAC, OAuth2, Stripe, AI API Integration 🔹 SaaS data layer → PostgreSQL, Redis, Supabase, multi-tenant isolation 🔹 SaaS infrastructure → Docker, AWS, Azure, Vercel, Cloudflare, CI/CD 🔹 SaaS delivery & AI MVP Development → As an MVP developer, I take SaaS design from MVP to production in 6 weeks 📌 AI Software Development As an Anthropic / OpenAI Developer, Data Scientist & Machine Learning Engineer, I integrate LLM & RAG into SaaS & Websites. As an Open AI developer / AI LLM developer, I also build Machine Learning Python workflows. 🔹 AI/LLM integrations → Claude, ChatGPT-5, LLaMA, Mistral — fine-tuning, prompt design 🔹 RAG & Vector DB → LangChain, FAISS, Qdrant, Pinecone, ChromaDB, pgvector — hybrid search, AI SEO 🔹 Generative AI → Stable Diffusion, SDXL, LoRA — custom image pipelines 🔹 AI ML Engineer → AI automation, deep voice agent, Computer Vision, MCP integrations, dashboards 📌 Full-Stack Development / Web Application Development As an AI Python Full Stack Developer & React developer / Senior Web Developer Python, I own the SaaS product end-to-end — ReactJS Next.js frontends, Python FastAPI Node.js backends with Supabase; MERN stack, PHP, Webflow, WordPress developer & website developer. 🔹 Front end developer → React, Next.js, TypeScript, Tailwind CSS, JavaScript, CSS 3, HTML, HTML5 🔹 Backend developer → Python FastAPI, Django, Node.js, Laravel, SQL, MySQL, REST API development, GraphQL API 🔹 Real-time → WebSockets, Server-Sent Events for streaming AI 🔹 Web Application architecture & Web Development → modular monorepos, microservices 🤖 SENIOR AI-AUGMENTED DEVELOPMENT As an AI Engineer / Python Backend Developer / AI backend developer, I use modern AI tools to speed delivery: Git, GitHub Copilot for coding, ChatGPT for reasoning, Cursor for refactoring, Claude Code with MCP for architecture in full stack developer SaaS projects, Replit for prototyping, Lovable for MVPs, Bolt.new for web experiments, v0 by Vercel for UI generation. 🏆 MY UPWORK TRACK RECORD ✅ Top Rated Plus Expert ✅ 100% Job Success Score ✅ $200K+ earned delivering Full-Stack / SaaS & AI Solutions ✅ 17 successfully completed Upwork jobs ✅ Only 5-star reviews ✅ Upwork Skill Certified — Python Developer; Back-End Development 💬 "Thanks to Ilya for developing my AI-powered SaaS. Ilya proved himself as an excellent AI software developer & full stack developer, proposed a clean ui ux SaaS web design, built a solid backend with Python FastAPI, a front end with React" — Dmitri Dalla-Riva, Aidtrade, Australia 🤝 LET'S WORK TOGETHER If you're building SaaS or AI solution — you need a technical partner who ships, owns, thinks like a co-founder — message me. You’re taken from idea to deployment — faster and smarter!