Senior Software Engineer building scalable, high - performance web applications for Binance.US, a regulated cryptocurrency exchange. Leading front - end architecture, performance optimization, testing, and secure user experiences with Next.js and React.
About the role
- Mid-level Front-End Developer Virtual Assistant for developing a proprietary permit automation platform. Focusing on React, Redux Toolkit, and Material UI for a comprehensive SaaS application.
Responsibilities
- Develop and maintain front-end features using React 18 (functional components, hooks)
- Build and improve UI components using Material UI v6 including MUI X (DataGrid, DatePickers)
- Implement new features from clearly defined Linear tickets with acceptance criteria
- Work within Redux Toolkit architecture (slices, async thunks, selectors)
- Maintain and extend WebSocket-based real-time features
- Manage complex routing with React Router v6 (guarded routes, multi-role layouts)
- Conduct regression testing on new features before staging deployment
- Work closely with the lead developer to understand API contracts and backend responses
- Debug and resolve UI performance issues (memoization, render optimization)
- Build and maintain permit form templates within the platform (building permits, electrical permits, NOCs, legal descriptions, and other municipal/legal documents)
- Support the forms digitalization pipeline (AI-assisted PDF form processing)
- Provide recommendations for improving usability and workflow efficiency
- Assist with incremental migration from JavaScript to TypeScript
- Assist with migration from Create React App (CRA) to Vite
Requirements
- Strong React 18 experience: hooks, functional components, context API
- Redux Toolkit (RTK): slices, async thunks, selectors, real-world state management
- Material UI v6: deep familiarity including theme customization, responsive design, and MUI X components
- React Router v6: complex route trees, guarded/protected routes, nested layouts
- Solid JavaScript (ES6+) knowledge: async/await, Promises, error handling (codebase is JS, not TypeScript)
- WebSocket experience: connection management, message dispatching, React integration
- Axios and REST API consumption
- Proficient with Git and version control: branching, PRs, merge conflict resolution
- Comfortable reading and working within a large existing codebase (not greenfield only)
- Strong communication and async remote collaboration skills.
Benefits
- Competitive rates
- Weekly payments
- Various open roles are available
- Free training and upskilling
- Constant support and guidance
- A vibrant community always ready to support you
- And more!
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Degree requirement
No Education Requirement
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