Senior Frontend Engineer

MiOffice; United States; Hybrid; USD 140,000 - 200,000; Full time

Job summary

MiOffice in the United States is seeking a Senior Frontend Engineer to build the next generation of browser-based office applications using React, TypeScript, and WebAssembly. You will architect and implement new features, and collaborate across teams to deliver high-quality software.

You will optimize client-side file processing with WebAssembly, ensure accessibility to WCAG 2.1 AA standards, and mentor junior engineers while reviewing pull requests.

Qualifications

• 5+ years of React/TypeScript experience.
• Experience with WebAssembly or browser-based processing.
• Strong web performance optimization skills.
• Familiarity with WCAG 2.1 AA accessibility standards.

Responsibilities

• Architect and implement new office suite applications.
• Optimize WebAssembly performance for client-side file processing.
• Build accessible, 508-compliant user interfaces.
• Collaborate on AI-powered features using ONNX Runtime.
• Mentor junior engineers and review pull requests.

Skills

React/TypeScript

WebAssembly

Web performance

Accessibility WCAG

Job description

# Senior Frontend EngineerEngineeringRemote (US)full-timeRemoteBuild the next generation of browser-based office applications using React, TypeScript, and WebAssembly.## Responsibilities* ●Architect and implement new office suite applications* ●Optimize WebAssembly performance for client-side file processing* ●Build accessible, 508-compliant user interfaces* ●Collaborate on AI-powered features using ONNX Runtime* ●Mentor junior engineers and review pull requests## Requirements* ●5+ years of React/TypeScript experience* ●Experience with WebAssembly or browser-based processing* ●Strong understanding of web performance optimization* ●Familiarity with accessibility standards (WCAG 2.1 AA)## Nice to Have* ●Experience with PDF.js, FFmpeg, or ONNX Runtime* ●Contributions to open-source projects* ●Experience with Next.js App Router### Apply for this roleAll fields marked \* are required.Click to upload PDF or Word (max 5MB)