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Hi, I'm Santo Sunil, an experienced technologist specializing in Full Stack Development and Blockchain. I enjoy building robust and scalable web applications using modern frameworks like React, Angular, and Node.js. I'm passionate about integrating blockchain technology into various platforms to develop decentralized applications such as Defi, Dex, Dao, and NFT marketplaces. I thrive both in collaborative team settings and working independently to achieve project goals. I'm continuously learning to keep up with the latest technological trends and am excited to contribute innovative solutions in web, blockchain, and AI development projects.…Hi, I'm Santo Sunil, an experienced technologist specializing in Full Stack Development and Blockchain. I enjoy building robust and scalable web applications using modern frameworks like React, Angular, and Node.js. I'm passionate about integrating blockchain technology into various platforms to develop decentralized applications such as Defi, Dex, Dao, and NFT marketplaces. I thrive both in collaborative team settings and working independently to achieve project goals. I'm continuously learning to keep up with the latest technological trends and am excited to contribute innovative solutions in web, blockchain, and AI development projects.

Santo Sunil

Full Stack Developer, Blockchain Developer, Game Developer, +2

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Hi, I'm Santo Sunil, an experienced technologist specializing in Full Stack Development and Blockchain. I enjoy building robust and scalable web applications using modern frameworks like React, Angular, and Node.js. I'm passionate about integrating blockchain technology into various platforms to develop decentralized applications such as Defi, Dex, Dao, and NFT marketplaces. I thrive both in collaborative team settings and working independently to achieve project goals. I'm continuously learning to keep up with the latest technological trends and am excited to contribute innovative solutions in web, blockchain, and AI development projects.…Hi, I'm Santo Sunil, an experienced technologist specializing in Full Stack Development and Blockchain. I enjoy building robust and scalable web applications using modern frameworks like React, Angular, and Node.js. I'm passionate about integrating blockchain technology into various platforms to develop decentralized applications such as Defi, Dex, Dao, and NFT marketplaces. I thrive both in collaborative team settings and working independently to achieve project goals. I'm continuously learning to keep up with the latest technological trends and am excited to contribute innovative solutions in web, blockchain, and AI development projects.

Available to hire

Hi, I’m Santo Sunil, an experienced technologist specializing in Full Stack Development and Blockchain. I enjoy building robust and scalable web applications using modern frameworks like React, Angular, and Node.js. I’m passionate about integrating blockchain technology into various platforms to develop decentralized applications such as Defi, Dex, Dao, and NFT marketplaces.

I thrive both in collaborative team settings and working independently to achieve project goals. I’m continuously learning to keep up with the latest technological trends and am excited to contribute innovative solutions in web, blockchain, and AI development projects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Full Stack Blockchain Engineer / Game Engineer at InterfaceX, Self-Employed

April 1, 2023 - Present

Seamlessly integrated blockchain logic into full-stack game platforms (Nannda & Jaken), ensuring smooth UX while handling complex on-chain logic via Wagmi, Tatum SDK, and custom event listeners. Improved app scalability and performance by optimizing backend data flow with PostgreSQL, Prisma ORM, and efficient API structuring in NestJS and Node.js. Enabled real-time interactivity in dApps using WebSocket and event-based architecture, including real-time mint confirmations, transaction updates, and wallet syncs. Architected NFTFUN, an NFT-powered social ecosystem, with wallet-based authentication and on-chain user asset interaction, enhancing user retention and engagement. Contributed to AI livestreaming app, integrating TensorFlow.js, MediaPipe, and voice cloning APIs for personalized avatar streaming experiences. Built a multi-chain wallet system with support for custom RPCs, secure key handling, and seamless asset tracking across Ethereum and Solana. Integrated custodial wallets for u

Blockchain Lead at ColorTV

May 31, 2022 - July 11, 2025

Engineered real-time, on-chain gameplay for the Chronos Metaverse, blending 3D browser environments (Unity/WebGL) with low-latency smart contract interactions. Solved gas efficiency challenges in the NFT marketplace and exchange by deploying gas-optimized Solidity contracts using Hardhat and OpenZeppelin patterns. Designed NFT marketplace logic to dynamically tie listings and royalties with in-game events and user actions, bridging game state with blockchain state securely. Enabled cross-chain interactions, building services to sync avatars, land ownership, and collectibles using ERC-721/1155, IPFS, and metadata persistence layers. Led cross-functional collaboration, translating metaverse logic to blockchain structure, ensuring design, UI, and backend were blockchain-aware and future-proof.

Blockchain Developer at Sandwich Trading

February 28, 2022 - July 11, 2025

Designed high-performance smart contracts for MEV strategies (sniping, sandwiching) that minimized gas while maximizing precision, audited and optimized in Hardhat and Foundry. Automated real-time trading strategies, using WebSocket, mempool tracking, and Flashbots bundles for priority execution with minimal slippage. Implemented multi-chain support, balancing RPC loads and transaction confirmation speed across Ethereum, Arbitrum, and BSC, improving system reliability under market stress. Built intelligent trading bots capable of sniping liquidity, monitoring token launches, and executing trades instantly based on event-driven signals. Ensured robustness by writing integration tests for all bot logic and contract pipelines, allowing safe deployment even in volatile trading environments.

Full Stack Developer at Ubitus Inc

March 31, 2019 - July 11, 2025

Delivered modular web solutions across client industries by adapting reusable components in React, Vue, and NestJS, reducing development time by 30%. Built a custom communication suite with WebSocket-based messaging, file-sharing, and access control for internal enterprise usage. Launched a real estate platform with intelligent filtering, geolocation-based search, and optimized media uploads to improve listing discoverability and engagement. Acted as technical liaison, translating client needs into actionable development tasks, helping avoid scope creep and ensuring smooth client-developer alignment. Quickly adapted to legacy systems, refactoring and extending them with modern tech stacks while minimizing downtime or business disruption.

Web Developer at Jetruby

September 30, 2017 - July 11, 2025

Built and deployed full-stack food delivery platform handling complex delivery logic, real-time status updates, and secure payment integrations. Converted static designs into dynamic UIs, implementing responsive layouts using HTML, SCSS, and jQuery, ensuring cross-device compatibility. Implemented real-time geolocation tracking via Google Maps API and Google Cloud Functions, improving delivery accuracy and customer transparency. Modernized tech stack by refactoring legacy PHP/jQuery codebase to React, Redux, and Node.js, increasing maintainability and performance. Introduced frontend testing with Jest, improving overall code reliability and reducing critical UI bugs in production. Enhanced user experience with smoother data interactions by integrating backend APIs using Ajax/JSON for faster UI feedback.