Solidity Developer

• Developed and deployed 15+ Ethereum smart contracts (Breeding, Staking, DAO), improving application performance by 30% and enhancing user experience across multiple projects. • Created responsive and user-friendly front-end interfaces for web3 applications, leading to a 20% increase in user engagement and a 25% decrease in bounce rate. • Built efficient Ethereum bot leveraging Geth, Golang, and Go SDK, resulting in a 25% reduction in resource usage and a 20% improvement in transaction throughput. • Developed and deployed 15+ Cosmos SDK-based modules (Governance, Staking, IBC), enhancing application performance by 30% and improving user experience across multiple projects. • Developed and deployed secure smart contracts using Solidity on Ethereum blockchain, ensuring robustness and efficiency. • Optimized gas costs by refactoring smart contract logic and utilizing advanced techniques like inheritance and libraries. • Implemented and audited decentralized applications (dApps) with Solidity, integrating ERC-20 and ERC-721 token standards. • Created responsive and user-friendly front-end interfaces for Cosmos-based dApps, leading to a 20% increase in user engagement and a 25% decrease in bounce rate. • Developed and deployed secure, scalable smart contracts using DAML, and managed Canton Blockchain nodes to enable privacy-focused, interoperable ledger communication. • Built an efficient Cosmos SDK-based bot using Golang, resulting in a 25% reduction in resource usage and a 20% improvement in transaction throughput. • Resulting in a 35% increase in user engagement, collaborated with three developers to launch an innovative NFT Marketplace. • Developed the comprehensive data structure for the project, encompassing Blueprint, Product, ERC20, ERC721, and ERC1155 tokens to optimize the entire project workflow. • Defined the tokenomics model and established a robust economic system for the raffle game, including at least 3 token utility (Governance token, NFT, ERC20) features and a staking mechanism. • Engineered a secure Airdrop smart contract with robust security measures, leveraging the power of Merkle tree technology to ensure the utmost protection and integrity. • Executed an in-depth evaluation of the L2 blockchain protocol, Optimism, for launching "Base" L2 by diving deep into its foundational layers and operational mechanics including its overarching design, inherent security mechanisms, intricate smart contract implementations, and interaction patterns with primary chains • Architected a framework of runbooks for "Base" L2, tailored to address potential challenges and anomalies within the protocol. By delineating systematic response strategies, they ensured the teams remains equipped and agile, ready to deliver effective responses to unforeseen incidents swiftly. • Evaluated many protocols including their consensus and execution mechanisms to understand the risks posed by them to activities like staking, asset enablement and overall health of the system. • Investigated impactful changes to the space, asset upgrades, and novel innovations such as zero-knowledge proofs and bleeding-edge blockchain protocols. • Performed security assessments and threat modeling of assets, including various blockchain protocols, smart contracts, and other distributed ledger technologies. • Partnered with software engineering teams to advise on code and architecture for internal asset integrations, including node software, wallet systems, and key management frameworks. • Implemented application using MEAN stack technologies along with Mongoose Node Module for MongoDB data. • Involved in designing and developing the application using Angular, Express, NodeJS, Typescript and CSS3. • Utilized Command Line Interface (CLI) to generate components, routes, services via commands to make Single Page Application using Angular. • Used Observable data service with Angular to consume RESTful Web API to fetch data in JSON format. • Involved in developing RESTful Web Services using Node.js and Epxress.js frameworks. • Involved in user authentication by using JSON web tokens local strategy. • Created Responsive Web Design using CSS, Bootstrap and Media Queries and appropriate HTML tags. • Implemented SASS framework to minimize complexity and avoid duplication in CSS files. • Involved in creating and executing Unit test cases using Jasmin. • Involved in various phases of Software Development Life Cycle (SDLC) using Agile Methodology. • Implemented Mock API using Express framework in Node.js • Used Webpack as a build tool to bundle all our assets in a dependency graph. • Used Jira for bug tracking, issue tracking and project management functions. • Developed and optimized smart contracts for Dabba Token using Rust on the Solana blockchain, ensuring gas efficiency and security through rigorous testing. • Designed and fine-tuned market-making bots, leveraging Rust’s asynchronous capabilities (Tokio/Actix) to optimize liquidity provision and minimize slippage. • Developed on-chain/off-chain infrastructure, optimizing transaction batching, indexing blockchain data, and ensuring low-latency execution with Rust and PostgreSQL. • Developed secure and efficient blockchain applications using Rust for Substrate-based networks and smart contracts. • Built Python-based Web3 integrations, automated blockchain analytics tools, and backend services for DeFi platforms. • Experienced in asynchronous programming, cryptographic implementations, and cross-chain interoperability. • Contributed to protocol-level security enhancements and formal verification for decentralized systems. • Optimized performance and gas efficiency in smart contract development using Rust and Python.

Led 5 developers in implementing decentralized exchanges (DEX) using Hyperledger Fabric, resulting in a 300% increase in daily trading volume and a 20% improvement in user satisfaction. • Optimized gas usage for smart contracts and developed Hyperledger Composer-based chain code, reducing average transaction cost by 35% and enhancing user experience. • developed Cosmos SDK module using the Ruby-on-Rails of blockchain development. It comes the basic functionalities every blockchain application needs, like a boilerplate implementation of the ABCI to communicate with the underlying consensus engine, a multistore to persist state, a server to form a full-node and interfaces to handle queries. • Integrated Layer 2 scaling solutions and Hyperledger Quilt for improved interoperability, resulting in a 200% increase in transaction throughput and a 40% reduction in latency. • Leveraged progressive web application (PWA) techniques and implemented Hyperledger Explorer for seamless blockchain data visualization, increasing user retention by 20%. • Deployed WalletConnect using the Rainbowkit to furnish a secure and user-friendly wallet connection, inclusive of WalletConnect v2, ensuring a seamless and protected user experience. • Conducted rigorous testing of the developed smart contracts using Hardhat and executed on-chain tests on the Sepolia testnet, adeptly resolving issues to guarantee the security and efficiency of the smart contracts. • Built a Layer-1 Public Blockchain Network utilising the Tendermint BFT Consensus engine which enables users to securely store, manage, and assert ownership over their digital identities. • Collaborated with the Application team to develop code in the CosmJS Framework, enabling seamless integration between applications and the Blockchain Network. • Proactively engaged with clients, gathering valuable feedback and incorporating it into the Blockchain system to effectively address their needs and enhance overall satisfaction. • Collaborated with Network validators to ensure a seamless testnet operation. • Develop high performance customer facing web application using ReactJS, Redux-saga, React Hooks, React-Router, JavaScript, HTML5, CSS3 and SASS. • Maintained high-level expertise in React state management strategies, including Redux, Redux Persist and redux-saga. • Built custom components for UX-Library consisting Accordion, Filters, Dropdown, Carousel, Button, Checkbox, Input, Icons. • Developed custom API layer to handle all CRUD transactions, JWT token management and implemented interceptors to embed custom headers. • Developed dynamic web pages using HTML5, CSS3, JavaScript, React.JS, ES Modules, and Custom Routers. • Project is implemented by following TDD using Jest framework for React along with Enzyme test utilities. • Used Middleware, Redux-Saga with ImmutableJS in application to retrieve and store data from Back-End and to also perform RESTFUL services. • Worked on Fortify for finding security flaws in the code we build and fixed the security issues. • Exclusively used React-Hooks to handle application life-cycle processes. • Have worked on AWS to integrate the server-side and client-side code. • Experienced with Docker container service and applications by creating Docker images from Docker. • Implemented CSS Box Model and styled web pages using CSS preprocessor SASS and effectively used mixins, functions, custom grid systems, grid-area concepts and flexbox for fluid-responsive application • Developed Rust-based smart contracts for Substrate and optimized blockchain consensus mechanisms. • Built Python-driven automation scripts, blockchain data pipelines, and DeFi analytics tools. • Integrated cross-chain interoperability solutions using Rust and Web3 frameworks.