Shuja A.
Mid-Level Blockchain Engineer
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Shuja A. is a Blockchain Engineer with over three years of experience developing decentralized applications, smart contracts, and Web3 platforms within the Ethereum and Solana ecosystems. Based in Rawalpindi/Islamabad, Pakistan, Shuja has contributed to industries such as DeFi, NFT platforms, and AI-driven business automation, serving clients in the USA, UK, Pakistan, and India. His work spans building full-stack blockchain solutions using Solidity, Rust, React, and Node.js, as well as implementing secure smart contracts and integrating Web3 wallets. As a former Technical Co-Founder at Hashnetics and a Blockchain Consultant at Systems Limited, he led architecture, deployment, and auditing of blockchain infrastructures, improving transaction speed and reducing vulnerabilities. Shuja's portfolio includes a blockchain document signing platform, decentralized file storage, and AI chatbot projects. He holds a BS in Computer Science and multiple blockchain certifications.
Experience
Technical Co-Founder / Lead Blockchain Engineer
Hashnetics · 2025 — 2026Directed the architecture and development of blockchain solutions, which included smart contracts and decentralized applications. Utilized Ethereum, Solana, Solidity, Rust, and MERN stack technologies to deliver Web3 platforms. Designed scalable blockchain architectures for startups, focusing on DeFi systems and NFT platforms, while managing the product development lifecycle encompassing technical planning and UI/UX coordination.Junior Consultant Blockchain
Systems Limited · 2023 — 2025Worked with a team to design and implement blockchain solutions aimed at enhancing transaction efficiency, security, and scalability. Developed and deployed smart contracts on Ethereum and Solana, ensuring compliance with functional and security standards. Engaged in the entire development lifecycle, from requirements gathering to maintenance. Assisted in the integration of blockchain technologies with existing systems to improve business processes.Project-Based Contract
FusionwaveAI · 2024 — 2024Focused on Ethereum-based blockchains such as Shardium, Skale, and Hala. Developed blockchain solutions that enhanced transaction speed. Employed modern tools to optimize development processes, effectively reducing development time.Blockchain Developer
Kaizen Global · 2022 — 2023Managed blockchain initiatives utilizing React, Node.js, and Git, contributing to the creation of robust solutions. Spearheaded the processes of smart contract deployment and auditing, ensuring security and functionality. Implemented smart contract auditing methodologies resulting in a reduction of potential vulnerabilities and deployed solutions that enhanced operational efficiency.Freelance Blockchain Developer
Global Clients (USA, UK, Pakistan) · 2022 — PresentCreated decentralized applications and smart contracts for NFT and DeFi platforms on Ethereum and Solana. Developed full-stack blockchain solutions employing Solidity, Rust, React, Next.js, Node.js, Hardhat, and Foundry. Integrated blockchain wallets, token contracts, and Web3 APIs into contemporary frontend applications. Provided consulting services for smart contract auditing, bug resolution, and blockchain architecture to startups.
Skills & Expertise
Education
- BS Computer ScienceUniversity of Azad Jammu and Kashmir · 2018 — 2022
- DAE in Information and Communication TechnologyPunjab Board of Technical Education · 2015 — 2018
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