Afia Saeed

Senior Smart Contract Engineer with 4+ years of experience building and deploying secure, gas-efficient blockchain protocols across Ethereum and EVM-compatible networks. Specialized in Solidity, EVM, DeFi, cross-chain systems, MPC security, and smart contract security, with hands-on expertise in Foundry, Hardhat, OpenZeppelin, TypeScript, Node.js, ethers.js, and Web3 infrastructure. Experienced in delivering production-grade protocols in collaboration with engineering, security, product, and research teams.

Blockchain Developer at ARMUP (2025-01 – Present)

ARMDV- A crypto asset management platform allowing users to secure and manage digital assets.

• Built a secure crypto asset management platform enabling users and organizations to create and manage multiple blockchain wallets.
• Implemented transaction detection, vault-based asset storage, and controlled withdrawal mechanisms.
• Worked on Bitcoin and Litecoin wallets and transaction creation.
• Integrated Multi-Party Computation (MPC) for enhanced key security and transaction signing.
• Contributed to DApp architecture and smart contract development for secure on-chain asset management.

Blockchain Developer at ARMPG (2026-01 – Present)

ARMPG – A crypto payment gateway enabling secure digital-asset payments, transfers, and exchange, with integrations including Ledger and Changelly across crypto and bank transfers.

• Developed a crypto payment gateway for secure digital-asset payments, transfers, and settlements.
• Integrated Ledger for secure wallet operations and Changelly for crypto exchange.
• Built payment flows for Bitcoin, Litecoin, and EVM-compatible networks.
• Developed blockchain integrations using Node.js, TypeScript, ethers.js, and Web3 APIs.
• Implemented transaction monitoring, confirmations, event tracking, and payment status workflows.

Blockchain Developer at ARMswap (2022-01 – 2024-12)

ARMswap- A decentralized cryptocurrency exchange (DEX) offering token swaps, cross-chain bridging, and liquidity pool functionalities.

• Designed, implemented, and deployed production-grade smart contracts on Ethereum and 20+ EVM-compatible blockchains supporting real users and TVL.
• Developed cross-chain router contracts enabling token swaps, bridging, liquidity pools, and multi-chain interoperability.
• Implemented ERC-20 and ERC-721 compatible contracts with a focus on security, gas efficiency, and upgradeability.
• Integrated smart contracts with backend services and dApps using Node.js, ethers.js, and event-driven architectures.
• Applied smart contract security best practices including access control, reentrancy protection, and input validation.
• Optimized contract storage and execution paths to reduce gas costs across high-volume transactions.
• Collaborated closely with product, frontend, and infrastructure teams to translate protocol and economic designs into robust on-chain systems.

Bachelor in Computer Science – University of Agriculture, Faisalabad (2018-01 – 2022-12)