I am a highly motivated and easily adaptive individual with a passion for Blockchain development. I have extensive experience in full stack development and several years of self-learning. Currently, I am seeking a Blockchain Engineer position where I can learn and grow professionally. Throughout my career, I have worked on various projects including developing blockchain-enabled security for federated learning systems, smart contract deployment and interaction on Ethereum, integrating decentralized storage solutions like IPFS, and designing architectures for secure model training with backup mechanisms. My experience spans multiple blockchain platforms including Ethereum, Hyperledger Fabric, Solana, Sui, Tron, Ton, and Polkadot/Substrate.

Sanjaya Weerasinghe

I am a highly motivated and easily adaptive individual with a passion for Blockchain development. I have extensive experience in full stack development and several years of self-learning. Currently, I am seeking a Blockchain Engineer position where I can learn and grow professionally. Throughout my career, I have worked on various projects including developing blockchain-enabled security for federated learning systems, smart contract deployment and interaction on Ethereum, integrating decentralized storage solutions like IPFS, and designing architectures for secure model training with backup mechanisms. My experience spans multiple blockchain platforms including Ethereum, Hyperledger Fabric, Solana, Sui, Tron, Ton, and Polkadot/Substrate.

Available to hire

I am a highly motivated and easily adaptive individual with a passion for Blockchain development. I have extensive experience in full stack development and several years of self-learning. Currently, I am seeking a Blockchain Engineer position where I can learn and grow professionally.

Throughout my career, I have worked on various projects including developing blockchain-enabled security for federated learning systems, smart contract deployment and interaction on Ethereum, integrating decentralized storage solutions like IPFS, and designing architectures for secure model training with backup mechanisms. My experience spans multiple blockchain platforms including Ethereum, Hyperledger Fabric, Solana, Sui, Tron, Ton, and Polkadot/Substrate.

See more

Experience Level

Expert
Expert
Expert
Intermediate
Intermediate

Work Experience

Research Assistant at Network Softwarization and Security Labs (Nets Lab) - Dublin
November 30, 2023 - August 6, 2025
Conducted research on blockchain-enabled security for poisoning attacks on federated learning systems. Worked on Solidity smart contract deployment and interaction on Ethereum, Chainlink oracle integration for communication between federated learning model aggregator and blockchain, and integration of IPFS for securing data and model storage. Developed new architectures for federated learning systems with blockchain and IPFS for secure model training including backup mechanisms.
Software / Blockchain Engineer at Ranga Technologies
September 30, 2024 - August 6, 2025
Developed trading applications on Solana, Sui, Tron, and Ton blockchains for international clients. Performed smart contract auditing on Ethereum and Solidity for international clients. Developed crypto-based payment gateway for Ranga Technologies website using Phantom and MetaMask.
Blockchain Researcher | Engineer at NuGenesis (Australia - Remote)
June 1, 2025 - Present
Designed and developed a digital notarized contract platform using Polkadot/Substrate parachain with Layer 1 and Layer 2 substrate developments including custom pallets and runtime configurations.
Sole Developer at SolVolumeBoost.com
April 1, 2025 - Present
Created a platform for Solana-based meme coin volume boosting across decentralized exchanges.
Developer at Prologic IT Solutions
November 30, 2023 - August 6, 2025
Designed and developed Hyperledger Fabric permissioned blockchain-based inventory management system with Go chain code. Migrated Laravel based production management and logistic ERP systems to MERN stack systems.

Education

BSc. in Electrical and Information Engineering at Faculty of Engineering, University of Ruhuna
January 11, 2030 - August 6, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Financial Services, Education

Experience Level

Expert
Expert
Expert
Intermediate
Intermediate

Hire a Blockchain Developer

We have the best blockchain developer experts on Twine. Hire a blockchain developer in Kandy today.