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As a seasoned professional with 20 years of experience in back-end development and 7 years in machine learning, I have a proven track record of building high-quality, scalable web applications, APIs, and AI solutions. I am proficient in both front-end and back-end development, leveraging a wide array of technologies to deliver seamless user experiences, robust server-side solutions, and advanced machine learning models. WEB DEVELOPMENT Back-End: Building robust server-side logic with Django, FastAPI, and Flask. Full Stack: Seamlessly integrating front-end and back-end technologies for comprehensive solutions. API DEVELOPMENT RESTful APIs: Designing and implementing APIs with Django REST Framework. Microservices: Developing scalable microservices using Flask and FastAPI. Data Management: Utilizing SQLAlchemy and Alembic for efficient database interactions. Data Validation: Ensuring data integrity with Pydantic. DATABASE DEVELOPMENT Relational Databases: Designing and managing schemas in PostgreSQL. Analytical Databases: Implementing high-performance data storage solutions with Clickhouse. GUI DEVELOPMENT Desktop Applications: Creating user-friendly desktop applications using Qt/PyQt. AUTOMATION AND BOTS Telegram Bots: Developing bots for various purposes on the Telegram platform. Console Utilities: Automating text manipulation, email handling, image processing, and other routine tasks. MACHINE LEARNING & DEEP LEARNING Model Development: Design, train, and optimize machine learning and deep learning models. Frameworks: Proficient with TensorFlow, PyTorch, Keras, Scikit-learn. Hyperparameter Tuning: Expert in techniques to improve model performance. COMPUTER VISION Image Processing: Object detection, image classification, segmentation. Libraries: OpenCV, YOLO, SSD, Mask R-CNN. NATURAL LANGUAGE PROCESSING (NLP) Text Analysis: Sentiment analysis, text summarization, named entity recognition. Tools: NLTK, SpaCy, BERT, GPT, Transformers. RECOMMENDER SYSTEMS Personalization: Collaborative filtering, content-based filtering, hybrid methods. Implementation: Building recommendation engines to enhance user experience. DATA ENGINEERING Workflow Orchestration: Apache Airflow, dbt. Data Management: Clickhouse, Metabase, Apache Nifi. ETL Processes: Extract, transform, load workflows for data warehousing. Data Preparation and Exploratory Data Analysis (EDA) Data Cleaning: Handling missing values, outlier detection. Visualization: Creating insightful visualizations using Matplotlib, Seaborn, Plotly. Statistical Analysis: Descriptive statistics, hypothesis testing. MODEL DEPLOYMENT Deployment Platforms: AWS SageMaker, Google AI Platform, Azure ML. Frameworks: Flask, FastAPI, Starlite. Containerization: Docker, Kubernetes for scalable deployment solutions. ADDITIONAL SKILLS Programming Languages: Python, TypeScript, SQL, C++, Rust, JavaScript. Web Frameworks: Django, Flask, FastAPI, React. ORM: SQLAlchemy. Migrations: Alembic. Data Validation: Pydantic. Version Control: Git, GitHub, GitLab. DevOps: Docker for containerization and orchestration. PROFESSIONAL ATTRIBUTES Strong problem-solving skills with an analytical mindset and a passion for clean, efficient code. Excellent communication, teamwork, and collaboration abilities. Commitment to continuous learning and staying updated with the latest advancements in both web development and AI/ML technologies.

2001-2006, BSc of Engineering from Satbayev University. I’m software developer & researcher, former competitive programmer, author of the book titled "Computer Science Explained"

If you're looking to build AI agent systems, RAG-powered chatbots, or intelligent automation, and you also want a solid web app around it, you've found the right person. I focus on multi-agent orchestration with Claude, building production RAG systems, and running local LLMs via Ollama for cost-effective, privacy-focused solutions. A lot of my recent work has been integrating these into e-commerce platforms. Core Expertise ✔ AI Agent Orchestration: multi-agent architectures on Claude (Claude Code, sub-agents, message-bus coordination), autonomous workflows, agent-to-agent communication ✔ RAG Systems: Retrieval-Augmented Generation with vector databases (PgVector, embeddings), document ingestion pipelines, knowledge-base chatbots ✔ Chatbots & AI Consultants: assistants for e-commerce, including product catalog Q&A, customer support automation, and AI sales consultants ✔ Local LLM Deployment: self-hosted models via Ollama (Qwen 2.5 Coder, DeepSeek, Llama) on GPU hardware. Private, cost-efficient inference without per-token API costs ✔ Frontend: Angular (2 to 21), TypeScript, RxJS, Signals (zoneless), Ionic, TailwindCSS ✔ Backend: ASP.NET Core, .NET, Node.js, Python ✔ Databases: PostgreSQL with PgVector, MySQL, MS SQL Server, Redis ✔ APIs & Integration: RESTful APIs, OpenAI and Anthropic APIs, MCP connectors, workflow automation with n8n What I Deliver ✔ AI agents for business that automate complex workflows like research, data processing, content generation, and decision support ✔ E-commerce AI assistants: RAG-powered chatbots that answer product questions, guide purchases, and handle support using your own catalog data ✔ Local LLM solutions: on-premise AI deployments via Ollama for clients who need data privacy or want to avoid recurring API costs ✔ End-to-end Angular apps: modern SPAs (Angular 21, zoneless/signals) with ASP.NET Core backends ✔ RAG pipelines: from document ingestion and chunking to vector search and grounded responses Why Work With Me I build real multi-agent systems, not just wrappers around a single API call. I know when local models (Ollama) make more sense than cloud APIs, so I can help keep your costs down. And since I'm full-stack, I build the AI and the application around it: frontend, backend, and database. Communication stays clear and regular throughout the project. If you need AI agents, a RAG chatbot for your store, a local LLM deployment, or a modern Angular app, let's talk and turn your idea into something that actually ships.

Top Rated WordPress & WooCommerce Expert (100k+ earned) I help businesses fix, optimize, and scale WordPress websites — fast and reliably. ✔ Fix critical bugs and errors (24–48h) ✔ WooCommerce checkout & payment issues (prevent lost sales) ✔ Figma to WordPress (pixel-perfect, fast, responsive) ✔ Speed optimization (Google PageSpeed 85–95+) ✔ Custom development (ACF Pro, plugins, themes) ✔ REST API and AI integrations (OpenAI / ChatGPT) With 10+ years of experience and 1000+ projects completed, I focus on results — not just code. Many of my clients come back because I solve problems quickly and keep their websites running smoothly. Recent work: ✔ WooCommerce fixes – ongoing $200–$300 tasks ✔ HubSpot + WordPress integrations (UTM tracking, forms) ✔ UI improvements and performance optimization Selected projects: ✔ Long-term WordPress development – $11,000+ ✔ Custom WooCommerce solutions – $3,000+ ✔ Ongoing support & improvements – $1,500+ Main expertise: - WordPress (ACF Pro, custom themes, custom plugins) - WooCommerce - Any builder (Elementor/WP Backery/Divi...) - Plugin setup, customization, and conflict resolution - REST API and AI integrations (OpenAI / ChatGPT) - Any famous plugins (WPRocket/CaheCleaner, WMPL/Polylang..., GravityForms/WpForms) If your website is slow, broken, or losing customers — I can fix it quickly. ⚙ Deeper ⚙️ ⚙️ Backend Stack: Have extensive experience with: - PHP 7.x/8.x | OOP | MVC | SOLID | Design Patterns - REST API | GraphQL | SOAP | XML | JSON | cURL | Webhooks - Apache | Nginx | Linux | cPanel | Plesk - MySQL | MariaDB | PostgreSQL | MongoDB | NoSQL | SQLite - Redis | Memcached | RabbitMQ | Queue Systems - Composer | WP-CLI | Cron Jobs - Git | GitHub | GitLab | Bitbucket | SVN - Docker | CI/CD | Agile | Scrum - JWT | OAuth | OAuth2 | API Integrations 💻 Frontend Stack: - HTML5 | CSS3 | SCSS | SASS | JavaScript (ES6+) | TypeScript - jQuery | AJAX | JSON | Fetch API | Axios - Vue.js | Vuex | Nuxt.js | Vuetify | Quasar | Vuely - Angular | Backbone.js - Bootstrap | Tailwind CSS | Foundation | BEM - Pixel Perfect | Responsive Design | Mobile First - Cross-Browser Compatibility | Retina Ready - WCAG 2.1 Accessibility Standards | W3C Standards - Figma | Adobe XD | Photoshop | Sketch to HTML/WordPress - CSS Animations | SVG | Canvas 🌐 WordPress Stack: Custom Theme Development | Custom Plugin Development | WooCommerce Development | WordPress REST API | Gutenberg Block Development | WordPress Multisite | WP-CLI | Custom Post Types (CPT) | Custom Taxonomies | ACF Pro | Pods Framework | Carbon Fields | Meta Box | Shortcodes | Widgets | Hooks (Actions & Filters) | Child Themes | Theme Customizer | Template Overrides | Multilingual Websites | Headless WordPress 🎨 Themes: Astra | GeneratePress | Kadence | Divi | Avada | Flatsome (UX Builder) | WoodMart | Porto | OceanWP | Hello Elementor | Betheme | Enfold | Bridge | Salient | Newspaper | The7 | X Theme | Jupiter | Impreza | Uncode | Custom Themes 🧱 Page Builders: Elementor | Elementor Pro | Beaver Builder | Divi Builder | WPBakery | Gutenberg | Bricks Builder | Thrive Architect | Visual Composer | UX Builder (Flatsome) 📝 Forms: Gravity Forms | WPForms | Contact Form 7 | Ninja Forms | Fluent Forms | Formidable Forms | Everest Forms | Caldera Forms | Quform 🛒 WooCommerce: Custom Checkout | Custom Payment Gateways | Shipping Methods | Subscriptions | Bookings | Memberships | Product Add-ons | Dynamic Pricing | Composite Products | Variable Products | Store API | HPOS Compatibility 🔍 SEO: Yoast SEO | Rank Math | All in One SEO | Schema Markup | Rich Snippets | XML Sitemap | Open Graph | Core Web Vitals ⚡ Performance: WP Rocket | LiteSpeed Cache | W3 Total Cache | FlyingPress | Perfmatters | Asset Cleanup | Redis Cache | CDN Integration | Cloudflare | Image Optimization | Lazy Loading 🛡️ Security: Wordfence | Sucuri | iThemes Security | Patchstack | Malware Removal | Hardening | SSL | reCAPTCHA 📧 Email & Marketing: Mailchimp | Brevo (Sendinblue) | Klaviyo | ActiveCampaign | MailPoet | Constant Contact | Campaign Monitor | ConvertKit | MailerLite | Omnisend | HubSpot | Mailgun | SendGrid | Amazon SES | SMTP Configuration 🔌 Integrations & APIs: Stripe | PayPal | Authorize.Net | Square | Braintree | Mollie | Google Sheets | Google Maps API | Google Analytics | Google Tag Manager | Google Merchant Center | Facebook Pixel | Meta Conversions API | Zapier | Calendly | Twilio | OpenAI API 🔄 Migration & Maintenance: Website Migration | Database Migration | Backup & Restore | Staging Environments | Version Upgrades | PHP Compatibility | Plugin Conflict Resolution | Bug Fixing | Security Audits | Malware Cleanup 🤖 Data & Automation: CSV/XML Import & Export | Web Scraping | Data Parsers | Custom Parsers | Feed Generation | API Sync 🏗️ CMS & Frameworks: WordPress | Laravel | Symfony | Drupal | Bitrix | Yii | OpenCart | Shopify | Smarty

As a senior full-stack solution architect with over 30 years of experience, my focus is on building and modernizing the mission-critical SCADA and real-time data systems that keep cities warm and grids stable. My focus is on absolute reliability and creating systems that run 24/7 at a national scale, because I know that in the real world, failure is not an option. While I'm fluent across the full stack, my true value is in my architectural approach. I excel at diving into complex, chaotic legacy systems, finding the core failure points, and engineering robust, scalable solutions that last for a decade, not just a single sprint. Career Highlights & Results: Proven SCADA Reliability: * Architected and deployed multilingual SCADA systems for national-level utility providers (Kazakhtelecom, Vodokanal, TPP-3) that operated 24/7 for over 8 years without critical failures. *High-Throughput Architecture: Designed a multi-node Erlang “Faceplate” replica capable of processing 120,000+ data points/sec across a 6+1 node cluster, ensuring horizontal scalability. *AI-Powered Automation: Built a "Dispatcher Assistant" using Python + LLM (RAG) that transforms raw system alarms into clear, step-by-step actions, reducing operator response time by an estimated 5x. Full-Cycle Product Development: * Single-handedly designed, developed, and deployed a 50,000+ line document management system from scratch, which became a core business asset for the company. * Complex Algorithm & Integration: - Created a near-O(1) loop detection algorithm for 9,000+ node graphs - Developed a C#/OLE bridge to automate critical workflows, eliminating sources of human error. Core Skills & Expertise: * System Architecture & Modernization: - Proven experience in transforming legacy monoliths into modular, real-time architectures. * High-Performance Backends: Building and scaling systems that handle high-throughput data (100k+ points/sec) with a focus on fault tolerance. * AI & LLM Integration: Practical experience developing AI-powered assistants (RAG) to solve real-world operational problems. * Complex Algorithm Development: Designing and implementing custom logic for graph analysis, routing, and control logic. Core Technologies: Delphi, C#, .NET, Erlang/OTP, Python, Ruby, MQTT, OPC UA, IEC-104, MSSQL, PostgreSQL. If you’re building or modernizing a critical infrastructure system—especially with real-time data, complex integration, or AI-in-the-loop—let’s talk.

Russian software architect/developer. Developing software for 15+ years. Skilled in software design and architecture. Favorite programming languages: C, C++, C# Platforms: Win32 (API, MFC, COM(+)), POSIX (*nix/Linux), DOS (16/32), (Free)RTOS, Mongoose OS, bare metal (x86, AVR, ESP32/ESP8266, STM32, TI MSP432, ARM), .NET Framework/.NET (Core)/ASP.NET (Core)