Portfolio
Selected projects
Backend, AI/RAG, Python, CRM and API projects of different sizes, each with an architecture chosen for the actual workflow.
P2P Crypto Exchange: TON and JettonFintech backend covering deals, HMAC authentication, ledgers, reserves, deposit delivery and reconciliation with GRAM.
AI Assistant with Telegram and RAGProject memory in MySQL and Qdrant, search across operational data and source-backed answers.
Second Brain: Knowledge Base MVPA shared document-processing core, embeddings and semantic search.
Python Telegram BotVinted monitoring with aiogram, background checks, notifications and failure recovery.
CRM and E-commerce AutomationInternal workflows for a book retailer and integrations with online marketplaces.
T-Bank to amoCRMPayment processing, notification validation and protection against duplicate operations.
Telegram MVP: Channel AnalysisSelecting publications by early engagement. A completed FL.ru project with a public client review; the specification calls for Python.
AI and RAG development · All AI/RAG case studies · How I approach a project
All projects
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Polymer Service
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Alexander Arne
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Educational Platform
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Plumbing World
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Furniture Industry Meeting Place
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GoldLight
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sonberi.ru on MODX EVO
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MODX EVO Store with 500,000 Products
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Neo-Med Medical Equipment Supplier
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NAUTILUS Multilingual MODX Website
Projects and engineering work
This portfolio brings together websites, online stores and software systems I have worked on. The project pages cover development, integrations and automation, with the problem and implemented solution described for each case.
For similar work, see Laravel backend and API development, custom CRM development and business process automation. All areas are listed under services.