siandreev

Leading the development of Tonkeeper Pro, a subscription-based multi-platform wallet. Actively contributing to the codebase (frontend features, integrations, developer tools). Designing technical solutions and making decisions on the technology stack. Managing a small cross-functional team (developers, QA, designer). Ensuring both strategic direction and hands-on execution in product delivery.

Co-authored TonConnect 2.0, a dApp-wallet communication protocol widely adopted in the TON ecosystem. Contributed to the Tonkeeper wallet on web and desktop. Built Ton Console, a platform for managing TON app integrations. Developed open-source developer tools for the TON ecosystem.

Contributed to the development of Blueshift DEX in the Cardano ecosystem. Built a portfolio management AMM system for DeFi users. Integrated blockchain bridges and connected smart contracts with the frontend.

Led frontend development and coordinated with backend engineers and product managers. Designed architecture and development processes for Rubic.exchange, a multi-chain DeFi aggregator. Delivered blockchain integrations (major DEXs, cross-chain bridges) and wallet connectivity to ensure a smooth user experience. Built developer tools such as an iframe widget and SDK, enabling third-party services to integrate with Rubic. Developed a zk-SNARK-based anonymizer (Circom, Solidity). Set up CI/CD workflows.

Built the frontend of an online education platform from scratch. Designed and implemented core user flows and application structure. Delivered a working MVP within a short timeframe.

Developed web services for cargotime.ru, a logistics and transportation platform. Built a tool to calculate and optimize fuel costs for car trips across Europe (Google Maps API). Created an admin panel for internal operations.

Contributed to the development of an open-source crypto payment gateway. Integrated new blockchains into the platform, including Ethereum and ERC-20 tokens. Built automated integration tests with Dockerized nodes, improving system reliability.