Full-stack application development with a strong backend focus: databases, integrations and production-ready web platforms. Experience also spans frontend development, accessibility, cloud infrastructure and deployment.
Python · Java · JavaScript · SQL / NoSQL · Angular · Next.js · Docker · AWS · Azure · Google Cloud
Smart contract development and blockchain architecture for complex applications, including RWA, tokenization, DApps and hybrid on-chain/off-chain systems.
Solidity · Go · EVM · Foundry · Hyperledger Fabric · Web3
Calyptus Solidity for Senior Engineers CertificateHands-on AI engineering across neural network design and training, transfer learning, model optimization, and production integration of AI models and services.
PyTorch · TensorFlow · CNNs · Transformers · LLMs
IBM AI Engineering Professional CertificateClear decisions, fast execution - comfortable with complexity.
25+ years of experience designing and building software for startups, SMEs and enterprise organizations, taking complex projects from zero to production independently or as a lead within a team. Hands-on, pragmatic and focused on solving problems and delivering working software.
ERC-3643 smart contract architecture for RWA tokenization of participation in a gold-mining company across 8 core smart contracts , with identity and compliance, treasury, reserve attestations, redemption and multisig/timelock governance .
Web and mobile news aggregation platform managing 100M+ articles , 280M+ indexed attribute records and 6 TB of data .
Client-side accessibility tracker for runtime DOM evolution , ordered full and incremental captures , bounded browser-side processing, data scrubbing and fail-safe isolation .
Database architecture and API layer for Twingenio, an AI engine integrating multiple AI services for business applications.
Hyperledger Fabric trading platform for digital fractions, featuring parcelization logic , chaincode development , REST APIs and database architecture.
Ethereum proof of concept combining fully on-chain generative data , evolvable smart-contract logic , decentralized governance , DApp and supporting APIs.
Core REST API module for an enterprise document management system, covering authentication, storage, search, versioning and labeling .
CV screening and candidate weighting tool across 20+ parameters , featuring filtering and charting capabilities.
Automation of administrative and logistics workflows including driver payroll , replacing hours of manual processing with automated batch execution .
Clinical CMS for clinical records and questionnaires , with dynamic forms, role-based permissions, a custom XML protocol and automated best-practice generation .
Utility-sector CRM managing customers, agents, appointments, commissions and offers, built on database design and REST APIs .
Python and Flask REST APIs for document hashing and metadata exchange between EVM blockchain components and client applications.
Blogging and publishing platform .
Ethereum oracle architecture for verifiable random-number generation and smart-contract integration .
REST APIs with Python and Flask on AWS Lambda for SAP Business ONE data ingestion and file search.
NFT marketplace built with Solidity smart contracts , IPFS decentralized storage , JavaScript DApp , Python backend services and AWS.
Technical analysis for blockchain integration into Cabolo, focused on document and transcription certification under strict privacy and compliance requirements .
Digital fitness platform for memberships, medical certificates , bookings, live-streaming and media services, with frontend, server-side services and AWS infrastructure .
Moodle platform extension for ECM healthcare distance learning, covering tracking, validation and credit reporting .
Interactive live-streaming system for art exhibitions using BigBlueButton and WebRTC , connecting visitors directly with artists' studios .
Construction recruitment platform reaching 30,000+ profiles in a few months, with profiling, geolocation and automated user engagement .
Raspberry Pi digital-signage system with JavaScript interface, Python REST APIs, remote device management and geo-targeted advertising .
Retail marketing solution combining QR-code physical assets , mobile experiences , subscriptions, newsletters and server-side services .
Multilingual tourism portal with 3,000+ registered properties , roughly one third on paid subscription plans .
B2B web agency delivering web development, hosting, marketing and client delivery, coordinating a five-person team before shifting focus to proprietary B2C products .
5,000+ hours of instructor-led technical training, from intensive workshops to multi-month courses in software development, databases and web technologies .