Senior Frontend Developer

Job Description

Job Title: Frontend Engineer - Web3 (React / Next.js / Blockchain) Experience Required: 3+ years (Blockchain / NFT / RWA experience preferred) About The Role We're looking for a Frontend Engineer who can take ownership of the Tiamonds NFT Marketplace ? a blockchain-based platform built at the intersection of Web3 and Real World Assets (RWA) . You'll be responsible for maintaining, scaling, and improving a production-grade React/Next.js architecture , integrating it with blockchain and backend systems , ensuring top-tier performance, SEO, and user experience. This role demands a developer who not only writes great code but also thinks architecturally, leverages modern AI tools for faster delivery , and takes full ownership from ideation to deployment. Key Responsibilities Maintain and enhance the Tiamonds NFT Marketplace frontend using React.js and Next.js Collaborate with Product Managers and Designers to implement new features, estimate timelines, and deliver quality releases via Agile and JIRA workflows Integrate blockchain and backend systems (Node.js, MongoDB) using Ethers.js, Web3.js, wagmi, and web3modal Work with Figma to convert designs into pixel-perfect, responsive, and accessible interfaces Implement and optimize SEO best practices for better ranking and performance (SSR/SSG/ISR, meta tags, schema, sitemap) Use AI-assisted development tools (ChatGPT, Claude, Cursor, GitHub Copilot, etc.) for faster debugging, documentation, and refactoring Maintain CI/CD pipelines and enforce code standards using Husky, lint-staged, and ESLint Manage application state efficiently using Redux Toolkit, Zustand, Context API, and middleware like Thunk/Saga Follow a modular, scalable architecture with code splitting, lazy loading, and memoization for performance optimization Conduct frontend testing using Jest, Mocha, and React Testing Library Collaborate with backend and blockchain teams for seamless API and smart contract integrations Participate in architectural planning, refactoring, and knowledge transfer sessions Ensure adherence to best practices, clean architecture, and consistent documentation Requirements Frontend Frameworks: React.js (Hooks, Context, lifecycle, optimization) Next.js (Routing, SSR, SSG, ISR, API routes, SEO) UI / Styling: Tailwind CSS, SCSS, Bootstrap, Styled Components Strong understanding of design systems and Figma collaboration State Management: Redux Toolkit, Zustand, Context API, Thunk/Saga Blockchain / Web3: Ethers.js, Web3.js, wagmi, web3modal Understanding of NFTs, smart contracts, and token standards (ERC-20, ERC-721, ERC-1155) Hands-on integration of blockchain data and wallet functionality Backend Integration: RESTful APIs, Node.js, Express, MongoDB (integration-level understanding) Testing Frameworks: Jest, Mocha, React Testing Library Unit testing, integration testing, and snapshot testing experience Architecture & Performance: Component-driven architecture Memoization, code splitting, lazy loading, caching strategies Understanding of frontend system design principles DevOps & Tooling: Git, GitHub, GitLab, CI/CD pipelines Husky, lint-staged, ESLint, Prettier Axios, React Router, authentication, cookies/session handling AI & Productivity Tools: Proficiency in using AI coding assistants like ChatGPT, Claude, Cursor, GitHub Copilot, etc Ability to leverage AI for faster debugging, code reviews, testing, documentation, and architecture suggestions SEO: Meta tags, Open Graph, schema markup, sitemap, canonical tags Core Web Vitals optimization and accessibility improvements Familiarity with Google Search Console, Lighthouse, and analytics Nice to Have Experience deploying or interacting with smart contracts Familiarity with analytics tools (GA4, Mixpanel) Exposure to internationalization (i18n) and Docker environments Strong interest in AI-driven frontend development workflows Soft Skills Strong sense of ownership and accountability Excellent communication and teamwork Ability to work independently and make key technical decisions Passion for Web3, NFTs, AI, and cutting-edge technologies Ideal Candidate You are someone who: Writes clean, maintainable, testable code Has deep expertise in React, Next.js, and frontend architecture Understands the bridge between frontend, backend, and blockchain Uses AI tools to deliver faster and smarter solutions Can take full ownership of a production-grade Web3 product