Number Group L.L.C. is seeking a Mid to Senior Front-End Developer to join our dynamic team. This role will involve working across multiple portfolio companies within the emerging technologies and blockchain space. The ideal candidate will have a deep understanding of modern web development practices, including extensive experience with JavaScript frameworks, progressive web applications, and responsive design. As part of our innovative team, you will play a crucial role in developing and enhancing user interfaces that are not only visually appealing but also highly functional and user-friendly. Your work will directly impact our mission to provide equal access to decentralized finance through cutting-edge digital solutions.
Willing to start on a part-time / full-time contract basis and move into full-time salaried position.
Key Responsibilities
- Develop and maintain web applications using HTML, CSS, JS + React
- Working with the UX/UI design team to ensure accurate experience for the final product
- Implement responsive designs for desktop and mobile platforms, ensuring a seamless user experience
- Use best practices for optimizing performance, SEO, and accessibility
- Deploy applications and manage DNS and cloud services for multiple domains
- Integrate Web3 technologies, such as wallet connection and contract interaction, to build secure identity and payment features and services
- Contribute to a collaborative team environment, moving fluidly between multiple active projects and interfacing with clients and external partners in a professional manner
Basic Requirements
- Proficiency in HTML, CSS, JavaScript, and React
- Familiarity with collaborative design apps (e.g. Figma) and experience converting wireframes to responsive React components for both mobile and desktop
- Experience with React frameworks, such as NextJS and Vite, as well as state management techniques and libraries (e.g. React Context, Zustand/Redux/Jotai/etc.)
- Familiarity with Web3 wallet management and interfacing with smart contracts (wagmi + viem + connectkit preferred)
- Understanding of Git workflows for navigating pull requests, code reviews, and deployment checks/actions
- Clear communication, both written (e.g. Slack, Telegram, pull requests, documentation, etc.) and verbal (e.g. video conferencing)
Preferred Qualifications
- Experience in the crypto/DeFi space is a significant plus
- Experience with styled-components
- Experience with unit/integration testing best practices and libraries (e.g. Jest, Vitest)
- Experience with creating Progressive Web Apps
- Experience with WebXR technologies (e.g. WebGL, ThreeJS and the @react-three suite)
- Familiarity with authentication integrations/services (e.g. Google Identity, OAuth, etc.)
- Familiarity with deployment and DNS management platforms like Vercel, Cloudflare, Godaddy, etc.
- Familiarity with cloud computing infrastructure (e.g. AWS, GCP, Digital Ocean, etc.)
- Skills in asset creation and editing tools (e.g. Photoshop, Illustrator, Inkscape, etc.)
- Interest in game design and mechanics
Number Group
Remote