sbdev0123

• Experienced blockchain engineer with a proven track record of contributing to over 20 projects in smart contract development and web3 product engineering. • Proficient in smart contract development using Solidity for EVM-compatible chains such as Ethereum, Binance Smart Chain (BSC), as well as other ecosystems including Solana, Terra, Near, and EOS. • Developed decentralized applications (DApps) and smart contracts on the Ethereum blockchain using programming languages such as Solidity. • Expertise in designing and developing NFT marketplaces using React and ExpressJs, demonstrating the ability to deliver end-to-end solutions in the Web3 space. • Designed and implemented various DeFi projects, including DEXs, trading platforms, and bonding mechanisms, contributing to the growth of the blockchain ecosystem. • Proficient in designing and implementing authentication and authorization systems using industry-standard protocols such as OAuth 2.0, OpenID Connect, JWT, and SAML • Developed applications on the Solana blockchain, leveraging its high throughput and low transaction fees to build scalable and efficient decentralized applications. • Implemented smart contracts using programming languages such as Rust for Solana's WebAssembly (Wasm) runtime.

• Used Next.js for creating a responsive e-commerce site, enhancing user experience. • Architected a seamless integration of a DevOps pipeline using Jenkins with AWS ECS and Docker to streamline deployments and reduce lead time by 70%. • Spearheaded a Node.js API performance initiative, integrating Redis caching and load testing, reducing latency by over 50%. • A key developer of an internationally acclaimed CMS platform used by over 1 million users leveraging React for SPA development synced with RESTful Node.js services. • Crafted custom PHP modules for content management systems, bringing flexibility and new features to bespoke web properties. • Expertise in backend development with Node.js and Express, leveraging TypeScript for improved code maintainability and type safety. • Implemented real-time features such as live updates and notifications using Supabase and Firebase real-time databases, enhancing user engagement and experience. • Integrated with Ethereum wallets, blockchain explorers, and other Ethereum ecosystem tools and services to enhance functionality and user experience. • Designed and implemented GraphQL APIs for 6+ projects, resulting in simplified data fetching and reduced network overhead for frontend applications. • Experienced in NoSQL databases such as MongoDB, Cassandra, and Redis, adept at designing schemaless data models and optimizing performance for high-throughput applications.

• Executed full development lifecycle for a real-time data visualization SaaS, boosting user engagement with customizable React+ Redux-driven dashboards. • Proficiency in UI/UX design principles, wireframing, prototyping, and user research to create intuitive and user-friendly interfaces. • Experience in designing and developing cross-platform and device-agnostic interfaces to ensure consistent user experiences across desktop, tablet, and mobile devices. • Skilled in front-end development technologies such as HTML, CSS, JavaScript, and modern frameworks/libraries like React and Vue.js to implement responsive and interactive UI designs. • Conducted SEO audits and implemented technical optimizations that resulted in significant improvements in website crawlability, indexability, and site speed. • Strong understanding of search engine algorithms, ranking factors, and best practices for optimizing websites to improve search engine visibility and user experience.