sebasaran

1. Tx-Ray: Scalable backend service that decodes EVM transactions on the fly and presents them in a user-friendly way through email — built end-to-end across BE and FE. 2. EMT Strategy: Development of the EMT Token together with two strategy contracts: a recurring user pool and an investor cliff vesting contract. 3. Email-Airdrops: Development of FE, BE & EVM Smart Contracts to send ERC20 and ERC721 tokens via email — full integration into the platform's product surface. 4. Token Staking Contract: Strategized and owned a multi-tenant staking system from scratch — Solidity contracts built on top of OpenZeppelin with deposit/withdrawal flows, min/max constraints, multi-tenant isolation and Foundry invariant tests for formal verification. 5. EtherMail Wallet Provider: Built and maintained a published Wagmi + viem connector library with EIP-1559 support, MetaMask-style UX, chain switching and provider error recovery — used by every partner integrating EtherMail wallets. 6. Login & Subscribe Widgets: Built iframe-embeddable login (mobile autologin, visibility controls) and subscribe widgets (Web3 ID conditional logic) — drop-in components partners install in minutes.

1. Smart Contract Monitoring: Designed and implemented from scratch a backend system to ingest and monitor on-chain Smart Contract events in real time, with DB schema design and sustainable-code focus.