cover image
Twine

Frontend Developer – Freelance

Remote

United states

Freelance

14-01-2026

Share this job:

Skills

Communication TypeScript Encryption Problem-solving Attention to detail react blockchain

Job Specifications

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.

About the Company

Twine is home to a network of over 750k+ freelance experts and 50k+ clients across 195 countries. We connect talented people with flexible work and help businesses find the perfect expert for any project - big or small. For Businesses & Clients: Tired of endlessly searching for the right talent? We've got you covered. Twine makes it easy to find and hire freelance experts in tech, creative, AI and more. From software developers and graphic designers to animators and content creators. Our global network means you can hire the... Know more