About Wittify.ai

Wittify.ai is on a mission to build the most advanced Arabic-first conversational AI in the world, enabling businesses to deliver human-like, multilingual voice and text interactions across customer service, operations, and beyond. We are looking for a talented Full Stack Developer to help architect and build the infrastructure behind our AI agent platform.

Role Overview

As a Senior Frontend Developer, you’ll own the client-side of Wittify.ai’s core platform—crafting real-time web applications that are fast, accessible, secure, and reliable across browsers and devices. You’ll translate designs into production-grade UI, lead best practices in ReactJS and Vanilla JavaScript, and ensure our experiences perform flawlessly under real-world conditions.

What You’ll Do

• Build responsive, accessible (WCAG 2.1 AA) UIs that faithfully match Figma designs using React and TypeScript, plus plain CSS and semantic HTML.
• Develop frameworks and components in Vanilla JavaScript (DOM APIs, ES modules, Fetch, Web Components ..etc).
• Deliver cross-browser, cross-device, and cross-OS experiences (Chrome, Edge, Safari, Firefox; iOS/Android/desktop), including pixel-perfect responsive/adaptive layouts.
• Implement real-time UX with WebSockets and WebRTC; apply strong fundamentals in HTTP/HTTPS and TLS/SSL.
• Ensure frontend security: appling OWASP best practises (XSS, CSRF, clickjacking, injection..etc), set proper headers (CSP, HSTS), manage cookies , and handle auth flows safely.
• Optimize performance using Chrome/Firefox/Safari DevTools and Lighthouse; improve Core Web Vitals (LCP, CLS, INP) via code-splitting, caching, preloading, and rendering strategies (CSR/SSR/hydration).
• Write and maintain tests (Jest/React Testing Library/Playwright) and build robust CI checks for linting, type safety, accessibility, and visual regressions.
• Collaborate closely with Design and Product to scope, slice, and deliver features incrementally; lead code reviews and mentor teammates.
• Contribute to design-system/component architecture, documentation

Required Qualifications

• Bachelor’s degree in Computer Science or Engineering.
• Expert in React and modern TypeScript/JavaScript with deep knowledge of browser APIs.
• Mastery of plain CSS and semantic HTML with strong accessibility practices.
• Proven ability to deliver cross-browser and cross-device experiences with graceful degradation and progressive enhancement.
• Strong understanding of HTTP/HTTPS, WebSockets, WebRTC , and TLS/SSL.
• Demonstrated application of OWASP best practices in frontend development.
• Proficiency with browser DevTools (Performance, Network, Memory) and optimizing Core Web Vitals.
• Comfortable writing unit, integration, and end-to-end tests for UI and critical user journeys.

Why Join Us

• Work at the forefront of Arabic AI innovation
• Help build real-time, production-grade AI systems
• Join a fast-moving startup solving real-world problems in voice, language, and automation
• Collaborate with world-class AI engineers and a mission-driven team

Apply now to become a core part of the quality backbone behind Wittify.ai’s mission to lead the Arabic AI revolution.

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