Naved Ahmad

Senior Blockchain Developer

Astra Inovation • Fulltime

Oct 2025 - Present • 7 mos

Senior Blockchain Developer – Astra Protocol Limited 📍 Lahore, Pakistan | Sep 2025 – Present Currently working as a Senior Blockchain Developer, building the backend architecture for a secure multi-chain non-custodial wallet and advanced DeFi swap systems. My role focuses on wallet infrastructure, blockchain integrations, transaction security, and cross-chain functionality. Key Responsibilities 🔹 Multi-Chain Non-Custodial Wallet Development • Built the complete backend for a multi-chain crypto wallet supporting Ethereum Virtual Machine (EVM chains), TRON, Bitcoin, and Solana • Implemented wallet creation, seed phrase encryption/decryption, token import, and transaction management 🔹 Secure Transaction Infrastructure • Developed APIs for transaction creation, signing, broadcasting, and tracking • Integrated Fireblocks APIs for secure wallet management and institutional-grade transaction signing 🔹 DeFi Swap & Aggregation System • Built 1inch-style swap and quote functionality with route optimization • Implemented gas estimation, slippage control, and liquidity routing 🔹 Cross-Chain Swap Functionality • Developed backend services enabling cross-chain token swaps across multiple blockchain networks 🔹 Blockchain Event Monitoring • Implemented real-time event listeners and transaction monitoring systems for reliable on-chain tracking and retry mechanisms Technologies Used • Node.js / TypeScript • Web3.js / Ethers.js • Blockchain RPC APIs • Microservices Architecture • MongoDB / PostgreSQL • DeFi Swap Aggregators

Blockchain & Backend Developer

Silicon Nexus • Fulltime

Apr 2022 - Oct 2025 • 3 yrs 6 mos

Blockchain / Backend Developer – Silicon Nexus 📍 Lahore, Pakistan | Mar 2023 – Jul 2025 Worked as a Blockchain and Backend Developer where I developed scalable backend systems, blockchain integrations, and real-time applications across multiple industries including DeFi, NFT platforms, fintech, and SaaS products. Key Responsibilities & Projects 🔹 NFT Restaurant Platform • Integrated Stripe payments with ERC-721 smart contracts • Enabled both crypto and fiat transactions for NFT-based restaurant services • Improved transaction reliability by resolving major payment failure issues 🔹 Token Launchpad (Pedefi Launchpad) • Built a token launchpad system with whitelist functionality • Implemented liquidity management, burn/refund mechanisms, and factory contracts • Optimized smart contract performance for secure token sales 🔹 Ride Sharing Backend System • Developed real-time backend services using WebSockets • Implemented driver–rider communication and live trip tracking 🔹 HR Management System (HRM) • Developed APIs for salary management and payroll automation • Reduced payroll errors by 30% through automated calculations 🔹 KYC / AML Compliance Platform • Implemented Role-Based Access Control (RBAC) for multi-level access • Integrated secure media storage and compliance monitoring tools 🔹 Additional Applications Developed • Real-time news aggregation platform using external APIs • Fitness tracking app with secure authentication and real-time updates • Photographer booking platform with automated scheduling and payments • IoT dashboard for monitoring environmental sensor data in real time Technologies Used • Node.js, Express.js • Solidity Smart Contracts • MongoDB, PostgreSQL • WebSockets / Real-Time APIs • Stripe Payment Integration • Cloudinary & Secure File Storage