Mohamed Dewidar

Mohamed Dewidar

Frontend Engineer at Robusta Technology Group (RTG)

Egypt • 0 connections
About
Frontend engineer with 3 years building React and Next.js applications in production monorepos and standalone codebases across customer-facing platforms serving 50K+ users. Proficient in TypeScript, React Hooks, Redux/Redux Toolkit, REST/GraphQL APIs, responsive UI, accessibility, and frontend performance.
Experience
Frontend Engineer

Robusta Technology Group (RTG)

October 2023 - Present

Current

- Architected and shipped a production React/Next.js app in 2 weeks by defining the SOLID-based structure, writing implementation specs, using Cursor and MCP for development support, reviewing generated code, and validating critical flows with tests. - Integrated Sentry for performance monitoring and error tracking before Black Friday traffic, helping the team identify runtime issues before they impacted 50K+ active users. - Increased conversion rate by 15% and reduced checkout time by 17% by optimizing interactive checkout flows in React apps; lowered cart abandonment by 10% through store pickup, e-vouchers, gamification, and gift card redemption on Egypt's leading luxury fragrance e-commerce platform. - Designed shared feature-flag infrastructure for React/Next-style multi-app frontend monorepos, using typed rollout patterns, GraphQL-backed toggles, SSR-safe hydration, client revalidation, and fail-open defaults for checkout flows. - Reduced duplicated logic by 90% by refactoring critical flows in a multi-app monorepo, improving code layering and maintainability; improved GraphQL query response time by 40% with server-side LRU caching and strengthened REST/GraphQL integration patterns. - Improved authentication, accessibility, and discoverability by adopting the Credential Management API, applying WCAG 2.1 practices across React components, and improving semantic HTML for SEO. - Accelerated CI/CD deployment times by 30% by optimizing Docker images for AWS (1.23 GB → 597 MB, ~50% smaller), enabling faster releases in production Linux environments. - Built and shipped a shared installable package consumed across 10+ React and web projects, standardizing analytics integration across the user journey. - Mentored and trained 4 interns through hands-on sessions, code reviews, and structured performance feedback.

Education
Postgraduate Diploma

Information Technology Institute (ITI)

July 2023 - July 2023

Field: Information Technology

5-month intensive full-stack program (Django, React)

Bachelor's Degree

German University in Cairo (GUC)

August 2022 - August 2022

Field: Computer Science

Skills
Intermediate
CI/CD CSS3 Docker Git GitLab GraphQL HTML5 JavaScript (ES6+) Jest Linux Next.js React Hooks React.js Redux Redux Toolkit Responsive UI REST APIs Tailwind CSS TypeScript Vitest
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