Aleksandr Ivannikov

Independent consultancy delivering blockchain and full-stack engineering solutions for startups and emerging tech ventures. Projects include tokenized systems, NFT collections, DeFi protocols, mobile wallets, and cross-chain infrastructure. Partner with early-stage companies as a Senior Full Stack & Blockchain Engineer, often acting as the first or core engineer. Deliver end-to-end solutions including smart contracts, backend APIs, frontend dApps, and DevOps infrastructure. Experience spans Ethereum, EVM-compatible chains, DeFi protocols, NFT platforms, and scalable system design. Notable outcomes include raising over $15M in presales and NFT sales, building audit-ready smart contracts, and launching production-ready mobile applications.

- Developed and deployed a modular token sale and staking system with flexible reward distribution - Designed and implemented core on-chain mining logic - Authored technical documentation for smart contracts to support integration and knowledge transfer - Led delivery from architecture through deployment, audits, and integration with back-end and front-end teams - Delivered MVP in under three months as first/core engineer, creating a scalable and upgradeable architecture that supported fundraising and investor onboarding

- Built token presale platforms with multi-stage pricing, multi-currency support, and Chainlink oracle integration. - Designed and implemented a configurable vesting system for diverse token allocations. - Authored technical specs and coordinated UI/UX with front-end and design teams to align product direction. - Supported fundraising outcomes by raising $4.182 million for CryptoIndex and $9.241 million for Antix, establishing a scalable presale architecture that reduced risk and simplified tokenomics.

- Architected and developed cross-chain token contracts on Ethereum and Arbitrum - Implemented a dynamic staking system with a Golden Ratio-based halving mechanism for supply regulation - Led full development cycle, covering smart contracts, back-end services, and front-end dApp integration - Delivered innovative cross-chain DeFi token with scalable architecture adopted across L2 networks

- Designed a rarity matrix and metadata generation engine for large-scale NFT collections. - Built and deployed a generative engine to produce image sets and metadata, publishing assets to IPFS for decentralized storage.

- Forked Ethereum 2.0 and Polygon PoS, deploying validator and RPC nodes with custom genesis blocks and integrated explorer. - Published branded iOS and Android wallets by customizing AlphaWallet to support native token management and presale participation. - Developed BEP-20 token with presale and vesting platform, investor dApp, and web-based dashboard. - Delivered full DevOps lifecycle, ensuring uptime and scalability for blockchain nodes, APIs, and infrastructure.

- Built ERC-721 smart contracts with advanced features, including NFT naming and anti-bot security. - Developed an NFT presale platform with real-time dashboards and transaction visualization. - Migrated site from Vue.js to React, integrated Web3 wallet solutions, and optimized API usage for performance. - Delivered $4M in NFT sales with 100% uptime and zero unauthorized actions, managing the entire technical scope independently.

- Development of smart contracts, NFT sales website, uploading images to IPFS. - Fork of Nominex Farming.

- Developed and supported secure government information systems with a focus on cryptographic protocols, network security, and system reliability. - Performed system administration, deploying internal systems in VirtualBox and VMware. - Organized secure networks, videoconferencing communication, and satellite communications. - Conducted analytical work and contributed to the development and maintenance of information systems.

Engineer specializing in Radio communications, radio broadcasting and television.