Crissi Mariam Robert

Blockchain Professional with 10 years of experience in designing and delivering smart contracts, dApps, DeFi protocols, NFT platforms, token ecosystems, and enterprise blockchain solutions across Ethereum, Solana, Hyperledger Fabric, and Hyperledger Besu. Expertise in Smart Contract Development, Blockchain Architecture, Web3 Product Development, Cross-Chain Solutions, Tokenomics, NFT Standards (ERC721, ERC721A, ERC1155), Staking Protocols, LayerZero Integrations, Solidity, Rust, and Anchor Framework. Proven experience in building secure and scalable wallet solutions, stablecoin platforms, DeFi applications, copy trading platforms, DEX integrations, and enterprise blockchain applications across financial services, healthcare, and digital asset sectors.

Successfully delivered multi-chain wallets, token launchpads, staking ecosystems, NFT marketplaces, gaming solutions, cross-chain applications, and Hyperledger-based permissioned networks, ensuring security, interoperability, performance, and user adoption. Experienced in collaborating with globally distributed and remote teams, leading architecture discussions, code reviews, technical mentoring, stakeholder engagement, security audit coordination, and end-to-end product delivery while driving innovation and business value through blockchain technology.

Lead Blockchain Developer at RyukLabs (iAgent Protocol) (2024-06 – Present)

• Designing and deploying secure Presale, Vesting, and Token Generation Event (TGE) smart contracts, incorporating cliff periods, linear unlock mechanisms, beneficiary management, and token distribution frameworks to support efficient and compliant token launch processes.
• Developing NFT ecosystems using ERC721, ERC721A, and ERC1155 standards, along with Token Staking and Rewards Distribution smart contracts featuring whitelist minting, role-based access controls, configurable APRs, lock-up periods, automated reward calculations, claim functionality, and accurate on-chain accounting.
• Building Solana-based PvP gaming smart contracts using the Anchor Framework, enabling secure player interactions, reward mechanisms, game logic execution, and blockchain-based digital asset ownership within decentralized gaming environments.
• Implementing LayerZero omnichain architecture and cross-chain interoperability solutions, facilitating secure cross-chain messaging, asset transfers, blockchain communication, and seamless interaction across multiple decentralized ecosystems.
• Contributing to the development of a Copy Trading Platform while conducting smart contract security reviews, testing, debugging, architecture design, and technical documentation, collaborating with globally distributed cross-functional teams to enhance product functionality, security, performance, and user experience.
• Designed and executed a Presale smart contract supporting the distribution of tokens and developed NFT contracts that achieved a 100% whitelist minting success rate, strengthening platform adoption and market visibility.

Technical Team Lead: Blockchain at Accubits Technologies (2017-10 – 2024-04)

• Led the architecture, development, and delivery of multiple blockchain solutions, including permissioned networks, wallets, marketplaces, DeFi platforms, smart contract ecosystems, and enterprise blockchain applications across Hyperledger Besu, Hyperledger Fabric, Ethereum, and custom blockchain environments.
• Built a QBFT permissioned network on Hyperledger Besu, implementing reward collection systems, participant NFTs, staking and re-staking mechanisms, and on-chain reward distribution, while improving network performance, scalability, and operational efficiency.
• Developed and implemented Hyperledger Fabric-based enterprise blockchain solutions for regulated business environments, designing chaincode, network architecture, and governance models. Subsequently led the successful migration of Hyperledger Fabric from v1.4 to v2.2 by refactoring chaincode, updating governance configurations, and executing comprehensive regression testing, ensuring a seamless transition with zero downtime.
• Developed multiple blockchain-based financial products, including multi-chain wallets (EVM, Solana, NEAR), DEX-enabled self-custody wallets, realtime stablecoin platforms, algorithmic stablecoin solutions, and digital asset management systems, enhancing user adoption and expanding access to decentralized financial services.
• Implemented enterprise-grade blockchain platforms for banking, healthcare, and marketplace ecosystems, streamlining business processes, improving transaction efficiency, mentoring development teams, and establishing blockchain training programs to strengthen organizational blockchain capabilities.

Associate Consultant at Kottackal Business Solutions (2016-06 – 2017-10)

• Developed a Patient Document DApp POC using Truffle and IPFS, enabling healthcare providers to securely upload, manage, and retrieve patient records through unique patient IDs and controlled access mechanisms.
• Implemented a smart contract-based Flight Delay Insurance solution featuring premium calculation logic, claims processing workflow, and simulated Oracle-based claim verification.
• Collaborated with stakeholders to gather business requirements, conducted end-to-end testing, and successfully deployed blockchain proof-of-concept solutions aligned with user and regulatory requirements.
• Designed testing strategies and validation frameworks for blockchain applications, improving solution reliability, streamlining document retrieval processes, and enhancing claims processing efficiency.

Master of Technology (M.Tech.) in Computer Science Engineering – Mahatma Gandhi University, Kerala (2015)