Hire the Best Artificial Intelligence Engineers
in Ukraine

I build NLP systems that work in production - RAG pipelines, agentic workflows, custom entity extraction for complex documents. A Data Scientist with a rare combination of deep industry experience and academic teaching, I'm fluent in both modern LLM-based approaches and classical NLP techniques. Core expertise: - Traditional NLP approaches and modern LLM-based solutions - Designing and implementation of RAG & Agentic systems - Developing custom GenAI multistep processing flows/pipelines for non-trivial NLP tasks Tech skills: - Programming - Python, Dart (Flutter) - Frameworks and libs: LangChain, LlamaIndex, PydenticAI, HuggingFace, Keras & TensorFlow, scikit-learn, SciPy, etc. Teaching: - Machine Learning and Deep Learning courses lecturer at Lviv Polytechnic National University - Curriculum development with emphasis on practical, modern and industry-relevant applications Projects: - RAG-based information extraction from documents - developed map-reduce LLM chain for multiple information extraction from PDF files, scaled solution for a multi-document processing - Custom entities extraction - construction and implementation of classification and extraction pipelines for long financial documents - Code-generation assistant - developed RAG based code generation assistant for internal libraries support Work approach: I prioritize transparent communication and am flexible to work either from simple working solutions with iterative improvements or comprehensive approaches from the start.

🚀 Hi, I'm Dmytro, I'm a Full Stack Developer AI with more than 8 years of experience building SaaS platforms, AI-powered applications, and scalable web products for startups, product companies, and growing businesses. As a Full Stack Developer AI, I've worked on MVPs, enterprise platforms, automation tools, and intelligent web applications used by thousands of users worldwide. 💡 My primary focus as a Full Stack Developer AI is designing complete software solutions that combine modern frontend technologies, scalable backend architecture, and artificial intelligence. As a Python Full Stack Developer, I enjoy transforming complex business requirements into reliable, maintainable, and high-performing products that deliver measurable business value. 🤝 Throughout my career as a Full Stack Developer AI, I've collaborated with designers, product managers, AI engineers, DevOps specialists, and business stakeholders. I believe every SaaS Developer should understand not only software architecture but also customer needs, product strategy, and long-term scalability. 🛠️ Technologies I work with As a Python Full Stack Developer, my primary stack includes: • Python • Django • Flask • FastAPI • React • Next.js • TypeScript • JavaScript • Node.js • PostgreSQL • MongoDB • Redis • Docker • AWS • OpenAI API • LangChain 📈 Over the years, I've helped companies hire a Full Stack Developer AI capable of building production-ready SaaS platforms, integrating AI into existing products, and modernizing legacy systems. As a SaaS Developer, I focus on creating software that remains scalable as businesses grow. ⚙️ What I can help with As a Full Stack Developer AI, I can help with: • Building AI-powered SaaS platforms from scratch • Developing scalable web applications • Backend architecture and API development • AI integration using OpenAI and LLMs • Workflow automation and intelligent assistants • SaaS architecture and multi-tenant systems • Database design and optimization • Authentication and authorization • Payment gateway integration • Cloud deployment and CI/CD • Performance optimization • Legacy system modernization • Bug fixing and long-term maintenance 🔧 Many companies choose me as a Python Full Stack Developer because I can take ownership of the complete product lifecycle—from architecture and backend development to frontend implementation and AI integration. As a SaaS Developer, I always balance technical quality with business objectives. 🌐 I've worked as a Full Stack Developer AI on startup MVPs, enterprise platforms, internal business systems, CRM solutions, marketplaces, analytics dashboards, and AI automation platforms. My experience as a Python Full Stack Developer allows me to quickly adapt to different domains, engineering processes, and development teams. 🧩 Beyond application development, I have strong experience designing scalable backend systems, cloud infrastructure, and AI services. This enables me to work not only as a Full Stack Developer AI, but also as a technical partner capable of making architectural decisions that support long-term product growth. 💻 I've worked with: • PostgreSQL • MySQL • MongoDB • Redis • Supabase • Firebase • AWS • Docker • Kubernetes • Python • Node.js • React • OpenAI API • LangChain 🔗 This broad technical background allows me to deliver complete products as a Python Full Stack Developer, while my experience as a SaaS Developer helps businesses build reliable platforms that are secure, maintainable, and ready to scale. 🎯 How I work I believe a great Full Stack Developer AI should think beyond writing code. Understanding product strategy, user experience, software architecture, AI capabilities, scalability, and maintainability is equally important. 🤝 As a Python Full Stack Developer, I value ownership, transparency, and close communication with clients. Every SaaS Developer should build software that is easy to extend, simple to maintain, and capable of supporting future business growth. 📚 I've also contributed in areas such as: • Software architecture • AI solution design • Technical planning • Code reviews • Database optimization • CI/CD pipelines • Agile development • Team collaboration • Mentoring developers 🚀 Whether you need a Full Stack Developer AI for a new AI-powered product, a Python Full Stack Developer to strengthen your engineering team, or a SaaS Developer to build a scalable cloud platform, I'd be happy to help. My goal is to deliver software that combines modern engineering practices, artificial intelligence, and business value. 📊 Companies often hire a Full Stack Developer AI to build intelligent SaaS platforms, automate business workflows, or integrate generative AI into existing products. Others look for an experienced Python Full Stack Developer to modernise legacy systems. ✨ If you're looking for a Full Stack Developer AI, I'd be happy to discuss your project. Best regards, Dmytro

I represent an award-winning company called LITSLINK. We are a product-oriented development team (which consists of 250+ highly qualified software engineers, UI/UX designers, business analysts, project architects, project managers, and QA engineers) experienced in almost all popular areas: ✅ AI: Machine Learning, Computer Vision, Natural Language Processing, Big Data Analytics ✅No-code, Low-code: Bubble, WebFlow ✅ Blockchain: Solidity, Rust, Solana/Near blockchains, smart contracts ✅ Cross-Platform Mobile development React Native, Flutter ✅ Web development: Front-end (React.JS, Vue.JS, Angular.JS); Back-end (Node.JS, Java, Python) ✅ AR/VR: Untiy3D/C#, Hololens, Hololens 2, GearVR, MS Mixed Reality, Oculus, HTC Vive, iOS/Android (AIRKit, ARCore) We provide smart and fast solutions on time and on budget. By hiring us, you are getting the expertise of our software architect board and the whole team's knowledge. Whether you need a single developer or a whole team, we are here to help.

🚀 Building AI Products That Survive Beyond the Demo 🤖 AI-Native Product Development & Enterprise AI Engineering ⚡ 22+ Years of Software Engineering Excellence ⚡ 8+ Years of AI, Machine Learning & Automation Experience ⚡ 2,000+ Successfully Delivered Projects on Upwork ⚡ Top Rated Plus Talent ⚡ AI Agents, LLM Applications, Automation & Intelligent Workflows ⚡ Scalable Architectures Designed for Real Users and Real Growth ⚡ Trusted by Clients Across 20+ Countries ⚡ Helping Businesses Turn AI Hype into Measurable Business Results My goal is simple: build intelligent software that delivers measurable business results. I specialize in AI, Python, and Machine Learning while leading multidisciplinary teams capable of delivering full-cycle software solutions across a wide range of technologies—from MVPs to enterprise-scale platforms used by thousands of users worldwide. 🔥 WHAT YOU GET ✔ AI Development that automates processes, reduces operational costs, and accelerates business growth. ✔ Production-ready Python backends designed for scalability and long-term maintainability. ✔ Full-stack delivery—from UI/UX to cloud deployment and ongoing support. ✔ A single technology partner capable of building complete products end-to-end. 🏆 ACHIEVEMENTS ✔ 2,000+ successfully completed projects as a Top Rated Plus professional. ✔ Delivered products used by 20,000+ active users across SaaS, Healthcare, FinTech, and Marketplace platforms. ✔ Improved operational efficiency by 30–40% through AI-powered automation. ✔ Reduced repetitive manual workloads by up to 65% using AI Agents and intelligent workflows. ✔ Built scalable ML pipelines processing terabytes of data daily. ✔ Accelerated MVP launches by 30–40%, helping startups reduce technical risk and reach the market faster. ✔ Led teams of AI Engineers, Python Developers, Full-Stack Developers, Data Scientists, QA Engineers, and MLOps Specialists. 🚚 SOLUTIONS WE DELIVER As an AI Developer and AI Agent Developer, I build Generative AI applications, AI platforms, AI chatbots, AI copilots, AI Builders, AI Trading Bots, OpenAI-powered products, Azure AI solutions, Retrieval-Augmented Generation (RAG) systems, semantic search engines, knowledge assistants, and AI Model Integration workflows using OpenAI API, ChatGPT API Integration, OpenAI Codex Prompt, Claude integrations, and modern LLM architectures. As a Python Developer, I design scalable applications using Python, FastAPI, Django, Flask, REST API Development, GraphQL, API Integration, Microservices, Database Development, Software Debugging, and Website Optimization practices. As a Full-Stack Development partner, our team delivers Web Applications, AI App Development, Ecommerce Websites, Website Redesign, Browser Extensions, Google Chrome Extensions, Platform Plugins, Payment Gateway Integration, CRM Integrations, and Odoo Development solutions tailored to business goals. ⚒️ TECHNOLOGY ECOSYSTEM Backend expertise includes Python, Node.js, PHP, Java, Kotlin, Scala, Ruby, C#, .NET Framework, ASP.NET, ASP.NET MVC, Micronaut, Jakarta Server Faces (JSF), Jakarta Server Pages (JSP), and SQL. Frontend development capabilities cover JavaScript, TypeScript, HTML, HTML5, CSS, CSS3, Sass, Bootstrap, React, Angular, AngularJS, Vue.js, jQuery, CreateJS, Adobe Photoshop, and Google Analytics to create engaging, conversion-focused user experiences. Our data expertise spans PostgreSQL, MySQL, MongoDB, Microsoft SQL Server, SQLite, MariaDB, Oracle Database, Oracle NoSQL, Neo4j, Azure Cosmos DB, Amazon DynamoDB, Amazon Aurora, Apache Cassandra, LevelDB, Realm Database, and other enterprise-grade database technologies. Cloud, DevOps, and infrastructure capabilities include Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Docker, Kubernetes, CI/CD pipelines, Cloudflare, Apache HTTP Server, NGINX, Apache Tomcat, Microsoft IIS, Oracle WebLogic, Eclipse Jetty, LiteSpeed, WildFly, GlassFish, IBM WebSphere, and Odoo environments. We also leverage Git, HTTP protocols, Scrapy, JUnit, Database Architecture best practices, and modern engineering workflows to ensure secure, scalable, and maintainable software delivery. 🤝 LET'S BUILD TOGETHER Whether you need AI Development, AI Agent Development, RAG implementation, OpenAI API Integration, ChatGPT-powered products, Full-Stack Development, API Development, Ecommerce Solutions, Enterprise Platforms, Website Optimization, or end-to-end software delivery, I'm ready to help transform your ideas into scalable products that deliver real business value. Let's discuss your project and build something exceptional together.

Everyone says AI will replace developers. So far, it has mostly replaced my Google searches.😉 💡 High-quality results. Zero headaches. Always on time. 🚀 Top AI Engineering & Enterprise RAG Development Team ✅ 25+ years | 1,100+ Projects | 260+ Experts | Enterprise AI • Agentic RAG • LLMs • Data Intelligence 🧠 Retrieval-Augmented Generation • LangGraph • LlamaIndex • Multi-Tenant RAG • Vector Search • LLM Guardrails • Document Intelligence ⚙️ Python • Node.js • TypeScript • Next.js • PostgreSQL • Qdrant • pgvector • Docker • Kubernetes • AWS • Azure 💼 WHAT YOU GET ✔ 25+ years delivering Custom Software Development, Web Applications, Enterprise Software, AI Solutions, and Data Platforms across 1,100+ successful projects. ✔ 350+ software experts including AI Architects, ML Engineers, Data Engineers, Full-Stack Developers, DevOps, UI/UX Designers, and QA Specialists. ✔ 6+ years building Production-Grade AI Applications, Agentic RAG Pipelines, Enterprise AI Assistants, and Complex Automation Systems. ✔ 5+ years developing highly secure, multi-tenant AI products with strict architectural data isolation and zero-hallucination guardrails. ✔ 5+ years engineering scalable data ingestion pipelines capable of parsing, processing, and indexing large-scale, unstructured document repositories. 🔥 ACHIEVEMENTS ✔ 1,100+ successful software projects delivered across 55+ countries for startups, SMBs, and enterprise organizations. ✔ 50+ AI and Machine Learning solutions successfully built and launched into production environments. ✔ 30+ Production-Grade RAG pipelines designed for document intelligence, semantic search, and corporate knowledge management. ✔ 100% deterministic data isolation achieved across all multi-tenant enterprise AI deployments, preventing cross-contamination at the database layer. ✔ 40% faster time-to-insight using custom agentic architectures, optimized chunking strategies, and automated data validation workflows. 🧠 AI & RAG EXPERTISE ✔ 6+ years implementing Agentic RAG Systems, Multi-Step Orchestration, LLM Routing Agents, and complex workflow graphs using LangGraph. ✔ 5+ years building Zero-Hallucination Architectures using strict grounding techniques, context validation guardrails, and deterministic, clickable source citations. ✔ 5+ years mastering Enterprise Ingestion & Chunking, including high-fidelity OCR for scans, structural layout parsing, and token-optimized semantic chunking by section or clause. ✔ 5+ years designing Advanced Retrieval Mechanisms combining Dense Semantic Search with BM25 Keyword Matching and Cross-Encoder Reranking. ✔ 4+ years deploying Continuous Evaluation Frameworks (such as Promptfoo or Ragas) to strictly audit hallucination rates, citation fidelity, relevance scores, and system latency. 🌍 AI SOLUTIONS WE DELIVER ✔ 30+ Corporate Knowledge Systems with natural language querying, intelligent multi-hop reasoning, micro-level permissioning, and comprehensive audit logging. ✔ 25+ Automated Metadata Extraction Tools to pull structured terms, critical parameters, SLAs, and target dates from thousands of unformatted files into clean dashboards. ✔ 20+ Risk & Anomaly Detection Systems that automatically audit incoming documents against baseline templates to flag missing clauses or compliance deviations. ✔ 15+ Portfolio-Wide Analytics Dashboards that execute cross-document comparison matrices, macro-level risk mapping, and executive decision-support engines. 🏆 CROSS-VERTICAL USE CASE EXPERIENCE ✔ Legal & Compliance: Extracting complex clauses, tracking critical renewal/termination dates, and isolating client data to eliminate conflict of interest. ✔ FinTech & Banking: Processing intensive credit files, automating KYC verification, extracting financial covenants, and parsing multi-carrier insurance policies. ✔ Accounting & Auditing: Running swift regulatory compliance checks, financial statement cross-referencing, tax filing lookups, and workflow automation. ✔ M&A and Venture Capital: Powering rapid deep-dive Q&A, risk flagging, and due diligence summarization across multi-thousand-document Virtual Data Rooms (VDR). ✔ PropTech & Vendor Management: Managing property leases, obligation tracking, automated SLA monitoring, coverage comparisons, and milestone alerts. ⚙️ HOW WE BUILD ✔ 25+ years delivering Full-Cycle Software Development including Product Discovery, UX/UI Design, Software Architecture, Development, QA, DevOps, Cloud Deployment, and Long-Term Support. ✔ 6+ years integrating leading frontier APIs and open-source models including OpenAI GPT, Anthropic Claude, Google Gemini, Llama, and Hugging Face ecosystems. ✔ 5+ years configuring production Vector Databases, relational databases, and graph stores including Qdrant, pgvector (PostgreSQL), Pinecone, Milvus, and Neo4j. ✔ 5+ years managing Enterprise Cloud Infrastructure utilizing Docker, Kubernetes, zero-downtime CI/CD pipelines, and secure on-premise or private cloud deployments.

I build systems that automate complex workflows, reduce manual work, and scale with YOUR BUSINESS! I have 10+ years of experience in Python backend development, building scalable systems using FastAPI, Flask, and Django. My expertise includes AI/LLM systems, machine learning, data engineering, and cloud infrastructure, as well as DevOps, MLOps, and automation workflows. I focus on delivering production-ready solutions that are reliable, scalable, and built for real-world usage. 🏆 RECENT PROJECT OUTCOMES 🏆 • Data Platform | SaaS: Re-architected a Big Data survey US platform, led legacy system migration ensuring 100% data integrity, built data pipelines with +170% performance improvement, 99.9% uptime, supported 50,000 daily users. • Real Estate PropTech | AI Agents: Built an AI-powered market price monitoring system with ML models and automated data extraction pipelines. Achieved 94% prediction accuracy, increased data value by 400% through data transformation, saved 500 hours/month, aggregated data from 25 sources. • E-commerce | Big Data Analytics: Developed ETL pipelines and analytical workflows for large-scale datasets. Achieved +50% pipeline performance, 300% faster processing, handled 10,000,000 records daily, orchestrated 500 automated data tasks/day. • LegalTech | AI Document processing: Designed an AI-powered document processing system for patent analysis with data extraction. As a result - 80% reduction in manual review, 91% extraction accuracy, saved 150 hours/month for legal teams, processed 20,000 documents/month, reduced processing time from 2 hours to 3 minutes. • Automotive | Backend & DevOps: Migrated backend infrastructure, implemented automated deployment. Achieved zero-downtime deployments, 70% faster release cycles, reduced deployment time from 30 minutes to 1 minute, integrated 27 external services, supported 3,000 daily active users. • Healthcare | AI Document processing: Built an AI product from zero for document intelligence. Created PoC in 2 months, MVP in 4 months, 67% faster document processing, supported 10,000 requests/month, reduced manual workload by 700 hours/month. • Computer Vision | Social Platform: Developed an image classification system with custom neural networks. Achieved 96% model accuracy, processed 100,000 images/day, reduced manual moderation time by 70%. 📌 SERVICES (WHAT I CAN BUILD FOR YOU) 📌 • Backend & API Development: Scalable SaaS backends, web platforms and high-performance APIs that support real users and business growth. • Data & Automation: Data Extraction, data pipelines, analytics systems, and workflow automation that reduce manual work and save time. • AI / LLM Systems: AI agents, chatbots, Prompt engineering, RAG pipelines, LLM-powered applications, document processing, and AI models that automate decision-making. • Architecture & Integrations: Microservices and system design with seamless third-party API integrations. • Cloud & DevOps: Scalable infrastructure, CI/CD pipelines, and high-load systems built for reliability and performance. ✏️ STACK ✏️ • Backend development: Python, FastAPI, Django, Flask, Django REST • Data: PostgreSQL, MySQL, MongoDB, SQLite, Snowflake, SQL, PySpark, Pandas • Cloud: AWS (Lambda, S3, EC2, RDS, API Gateway), GCP, Azure, Docker, Kubernetes • Streaming: Apache Kafka, Celery, Redis • AI / LLM: OpenAI, ChatGPT, Claude, Embeddings, LangChain, LangGraph, HuggingFace, RAG • ML: PyTorch, TensorFlow, Scikit-learn • Agents & Voice: CrewAI, AutoGen, Deepgram 🎯 WHAT CLIENTS SAY 🎯 ⭐️⭐️⭐️⭐️⭐️ "Thanks for exceptional execution and speed. He launched an AI system in record time. Direct impact on our revenue within the first months!" ⭐️⭐️⭐️⭐️⭐️ "Best AI/LLM implementation we've seen. One of those rare specialists who can both architect and execute. If your project is complex, this is the person you want on it." 🫡 ROLES I TAKE ON 🫡 • AI / LLM Engineer in Python - building production-ready AI systems, RAG pipelines, and LLM-powered apps • AI Agent Python Developer - designing multi-agent systems and workflow automation with Python • Python Backend Developer (FastAPI / Django) - building scalable APIs and SaaS backends • Machine Learning Engineer in Python - developing predictive models and NLP systems • Data Engineer (Python) - designing automated ETL pipelines and large-scale data systems • Cloud / DevOps Engineer (AWS, GCP) - delivering scalable infrastructure and CI/CD pipelines automation • RAG & Document AI Developer in Python - developing document processing systems, embeddings, and knowledge retrieval • Python System Architect Developer (Microservices / AI Systems developer) - designing high-load, distributed architectures 👉 Looking to build an AI or LLM-powered system? Click “INVITE TO JOB” to reach out, I’m happy to discuss your project and suggest the best approach! Choose the best AI engineer and Python developer to build data platforms, APIs, automation systems, and scalable web applications together!