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Frontend Developer – FreelanceTwine • London, England, United Kingdom
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Frontend Developer – Freelance

Twine
  • GB
    London, England, United Kingdom
  • GB
    London, England, United Kingdom
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About

Join a dynamic project focused on building a privacy‑centric, blockchain‑based number guessing game. As a Frontend Developer, you will play a key role in delivering a seamless and engaging user experience for FHEGuess, a platform leveraging advanced encryption and Ethereum smart contracts. The current stack includes a React frontend, a backend ready for integration, and smart contracts deployed on the Sepolia testnet. You will be responsible for enhancing wallet connectivity, integrating real‑time updates, and optimizing the platform for both desktop and mobile users. This is an opportunity to work at the intersection of gaming and blockchain technology, contributing to a unique product that prioritizes user privacy and security.
Deliverables
Integrate and optimize wallet connection features for seamless user onboarding and gameplay.
Implement real‑time updates for game state, user actions, and notifications.
Enhance user and wallet management systems, including authentication and session handling.
Expand social features to improve user engagement and retention.
Ensure full integration between frontend, backend, and smart contract components.
Optimize the platform for performance, responsiveness, and cross‑device compatibility.
Collaborate with backend and smart contract developers to deliver a cohesive product.
Requirements
Proven experience with React and TypeScript in production environments.
Strong understanding of Ethereum smart contract interaction and Web3 integration.
Experience integrating frontend applications with conventional backends.
Familiarity with wallet connection libraries (e.g., MetaMask, WalletConnect).
Knowledge of real‑time data handling (e.g., WebSockets, polling).
Ability to optimize applications for both desktop and mobile platforms.
Experience with blockchain‑based gaming or similar projects is highly desirable.
Strong problem‑solving skills and attention to detail.
Excellent communication and collaboration abilities.
Availability for a full‑time contract position.
About Twine Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.
Our Mission Twine's mission is to empower creators and businesses to thrive in an AI‑driven, freelance‑first world.
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  • London, England, United Kingdom

Languages

  • English
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