YASINDU NETHMINA
Senior Full Stack
Engineer
Transforming complex challenges into high-performance, intuitive web products.
A FEW WORDS ABOUT ME
Senior Full Stack Engineer specializing in scalable, data-driven web applications and innovative solutions across AI, Web3, and modern architectures.
With over 4 years of hands-on experience, I architect and deliver robust full stack solutions, leading both frontend and backend development for high-growth startups and global teams. Currently, I drive engineering at ProtoKOLs, an AI-powered analytics platform that transforms complex social and blockchain data into actionable insights for brands, agencies, and Web3 teams to optimize their marketing and influencer strategies.
EXPERIENCED IN
Full Stack Engineering
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Frontend Architecture
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Backend Systems
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AI
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Web3 Integrations
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Cloud & DevOps
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System Design
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API Development
TECH STACK
TypeScript
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JavaScript
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Solidity
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React
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Next.js
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HTML
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CSS
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Tailwind CSS
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Shadcn
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Tanstack Query
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Zustand
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Redux
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Three.js
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Node.js
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Express
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Nest.js
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tRPC
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GraphQL
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PostgreSQL
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MongoDB
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Redis
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Prisma
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Drizzle
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BullMQ
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Docker
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GitHub Actions
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AWS
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Supabase
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Wagmi
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Viem
INNOVATIVE SOLUTIONS
FEATURED PROJECTS
2025
ProtoKOLs
View Case Study
ProtoKOLs is an AI-powered analytics platform that transforms complex social and blockchain data into actionable insights for brands, agencies, and Web3 teams to optimize their marketing and influencer strategies. The platform specializes in tracking influencers and projects across social media platforms and on-chain activities, providing comprehensive analytics through features like the KOL Checker for influencer analysis, Project Checker for project performance tracking, and advanced reporting tools. Users can monitor activity trends, create watchlists for real-time alerts, and access narrative mindshare heatmaps to understand market sentiment. The platform processes millions of social and on-chain events to deliver meaningful insights that help Web3 organizations make data-driven decisions for their marketing campaigns and partnership strategies.
Tech Stack: Next.js, TypeScript, Tailwind CSS, PostgreSQL, Docker, Redis, Nest.js, Prisma, TanStack Query, Supabase, tRPC, Zustand, BullMQ
2024
Block Central
View Case Study
Block Central is an advanced web3 platform offering a full suite of decentralized finance (DeFi) features. Users can easily monitor their assets and performance through a comprehensive dashboard. The platform includes a token swapper for trading BLOC tokens on the Polygon network, as well as Squid Router Swap for seamless cross-chain transactions. Additionally, the platform provides passive income opportunities through staking and farming, where users can stake tokens, provide liquidity in the BLOC-WETH liquidity pool, or farm tokens in the BLOC-WETH farming pool, earning rewards while supporting liquidity in the ecosystem. These features allow users to earn competitive returns. I was part of the team at Dappd that built this innovative blockchain application.
Tech Stack: Next.js, TypeScript, Solidity, Tailwind CSS, PostgreSQL, GraphQL, Docker, TanStack Query, Ethers.js, Wagmi, Viem, Tenderly, Squid Router
2024
xSurge - XTrader
View Case Study
xSurge - XTrader is a decentralized platform that enables users to view their holdings, swap, provide liquidity, and earn rewards through farming and liquidity pools. The platform features stable swaps and a gamified section, offering passive income opportunities. XTrader primarily utilizes xUSD, the world’s first appreciating stablecoin. By employing an innovative wrapping protocol and profit-generating mechanisms, xUSD provides both stability and growth potential for the xUSD community. This platform was developed by the team at Dappd, during my time working there.
Tech Stack: Next.js, TypeScript, Solidity, Tailwind CSS, Hardhat, Wagmi, Viem, tRPC, Chainlink Oracles, Tenderly
2024
Liquid NFTs
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Liquid NFTs is a pioneering NFT marketplace introducing liquidity-backed NFTs with advanced DeFi mechanics. The platform features bulk nft collection creation, automated metadata generation via CSV uploads, and smart contract-enabled whitelist minting. Users can leverage liquidity pools for NFT trading, participate in burn-to-redeem mechanisms, and access comprehensive collection stats. The ecosystem includes an XP-based reward system, real-time NFT portfolio tracking with profile page, and advanced trading functionalities including listing, bidding, and burning mechanisms.
Tech Stack: Next.js, TypeScript, Tailwind CSS, TanStack Query, Shadcn, PostgreSQL, Docker, Prisma, Supabase, tRPC, Zustand, Wagmi, Viem, IPFS, Subgraphs, Moralis
2024
GPT Wars - 3D Landing Page
View Case Study
GPT Wars is the first upcoming AAA Shooter Survival Game that will be launched on the TON blockchain, developed by Thinker Friends Studio. The website features a clean and unique interactive design, highlighting the game's distinctive characters and theme. Users can also register and get whitelisted for the beta release of the game. I contributed to this project as a freelancer, where I was responsible for the entire development of the website.
Tech Stack: Next.js, TypeScript, Tailwind CSS, Three.js, WebGL
2023
Dappd Website
View Case Study
Dappd is a web3 development agency specializing in blockchain solutions, smart contracts, dApps, and automation. The website showcases their expertise in delivering secure and scalable decentralized applications for clients in the web3 space. I built this website while working at Dappd, effectively communicating the company's capabilities and services to potential clients.
Tech Stack: Next.js, Tailwind CSS, TypeScript, Shadcn
PROFESSIONAL JOURNEY
CAREER MILESTONES
11/2024 - Present
Full Stack Engineer - Full Time (Remote)
ProtoKOLs - Influencer Data Analytics Platform, British Virgin Islands
- Engineering an AI-powered analytics platform, transforming large-scale social and blockchain data into actionable insights for brands, agencies, and Web3 teams.
- Architected high-performance, interactive frontends with Next.js and TypeScript, delivering intuitive data visualizations.
- Optimized backend data pipelines to efficiently process millions of records, leveraging queue-based processing and Redis caching to minimize latency and third-party API costs.
- Developed advanced features including AI-powered classifications, bulk CSV processing, personalized watchlists, and robust API logging for performance monitoring.
- Drove end-to-end product delivery, overseeing technical architecture, feature development, and quality to ensure reliability, scalability, and a seamless user experience.
03/2023 - 10/2024
Full Stack Engineer - Full Time (Remote)
Dappd - Web3 Development Company, United States
- Led development of enterprise-grade web3 platforms using React and Next.js, delivering NFT marketplaces, DeFi protocols, and DAOs with scalability for thousands of daily active users.
- Built high-performance, type-safe APIs using Next.js, Express and React Query, implementing robust validation, error handling, and caching strategies to ensure low-latency responses across all endpoints.
- Designed hybrid database solutions combining MongoDB, PostgreSQL and IPFS decentralized storage, optimizing query handling to support over 10,000 daily transactions.
- Developed reusable, responsive UI components with TypeScript and Tailwind CSS, integrating unit tests and automated CI/CD pipelines to streamline containerized deployments.
- Implemented blockchain integration layers using Wagmi and Ethers.js, enabling secure transactions and protocol interactions across multiple networks.
07/2024 - 09/2024
Full Stack Engineer - Part Time (Remote)
Thinker Friends - Software Development Company, Panama
- Delivered an interactive 3D web experience using Three.js, WebGL, and Next.js that showcased in-production models and enabled real-time, browser-native interaction to support seed-round fundraising.
06/2021 - 02/2023
Full Stack Engineer | Game Developer - Full Time (Remote)
Monkey Empire - Game Development Company, France
- Developed gameplay systems and on-chain components, including airdrops, NFT minting, and reward distribution; scaled to support 10,000+ players and contributed to securing a $100K Arbitrum grant.
NEED A DEVELOPER?
Let's work together.
Interested in collaborating on your next big project? I'd love to hear from you—let's build something great.
I work remotely full-time and have flexibility working with US/UK time zones.