Available to hire
I’m Ahmed Elsaid, a Senior Frontend Engineer with 7+ years of experience designing and delivering scalable, maintainable web and mobile applications using React, Next.js, and TypeScript. I specialize in micro-frontend architecture, PWAs, and reusable UI libraries across enterprise projects. I am skilled at optimizing performance, enhancing accessibility, and leading Agile teams using TDD and CI/CD practices.
I thrive in collaboration with cross-functional, international teams to deliver pixel-perfect, production-ready solutions. Based in Cairo, Egypt, I am open to relocation and eligible for working visas.
Skills
Language
Arabic
Fluent
English
Fluent
German
Beginner
Work Experience
Senior Frontend Engineer at KION Group, Dematic
May 1, 2024 - PresentArchitected a high-performance React application for Dematic’s supply chain platform, reducing render time by 30% through memoization, code splitting, and Vite. Collaborated with UX and backend teams to develop 10+ reusable micro-frontend modules integrating RESTful APIs for warehouse automation, achieving 99.9% uptime. Reduced API response time by 40% using React-Query and caching strategies. Utilized a tech stack including React.js, Next.js, Redux, Typescript, React-Native, Tailwind, Vite, and TDD.
Senior Software Engineer – Frontend at Celfocus
May 1, 2024 - July 9, 2025Contributed to a 5-developer team delivering Ooredoo Qatar’s App FAQ and Help modules, which reduced customer support tickets by 25%. Orchestrated seamless integration of complex backend systems with the front-end UI. Implemented innovative telecom solutions customized to client needs. Technology stack included React.js, React-Native, Next.js, Zod, Redux, Monorepos, and Micro-Frontends (MFE).
Senior Software Engineer – Frontend at QiDZ
October 1, 2022 - July 9, 2025Led a team of five developers, managing frontend operations and mentoring junior developers. Transformed the main company app into a modern Single Page Application (SPA), enhancing UX with revamped UI features. Built a scalable Next.js application optimizing Time To First Byte (TTFB), boosting performance by 20%. Integrated Facebook Pixel and Google Analytics to identify a 30% checkout drop-off and addressed it through UI/UX improvements. Used React-Native, React.js, Next.js, Redux-Toolkit, and Typescript.
Software Engineer Level 2 – Frontend at Reach
January 1, 2020 - July 9, 2025Developed and launched new standalone apps for the Reach ecosystem using micro-frontend patterns and state-of-the-art tooling for seamless integration. Created 3 micro-frontend apps that increased user engagement by 15%, measured via Mixpanel. Collaborated with design and product teams on UI optimization and Agile planning using JIRA story points. Technologies included React.js, React-Native, Next.js, Redux, TypeScript, GraphQL, Apollo, and Auth0.
Senior Frontend Engineer at KION Group, Dematic
May 1, 2024 - PresentArchitected a high-performance React application for Dematic’s supply chain platform, reducing render time by 30%. Partnered with UX and backend teams to develop over 10 reusable micro-frontend modules integrating RESTful APIs for warehouse automation with 99.9% uptime. Optimized API response times by 40% using React-Query and caching strategies. Utilized technologies such as React.js, Next.js, Redux, Typescript, React-Native, Tailwind, Vite, and TDD.
Senior Software Engineer – Frontend at Celfocus
May 1, 2024 - July 9, 2025Contributed to a team of 5 developers delivering Ooredoo Qatar’s App FAQ and Help modules, reducing customer support tickets by 25%. Orchestrated the seamless integration of complex backend systems with frontend UI. Implemented innovative telecom solutions tailored to client requirements. Used React.js, React-Native, Next.js, Zod, Redux, Monorepos, and Micro-Frontend architectures.
Senior Software Engineer – Frontend at QiDZ
October 1, 2022 - July 9, 2025Supervised a team of five developers and mentored junior team members to foster growth. Led transformation of company’s main application into a modern Single Page Application (SPA) with revamped UI features to enhance user experience. Engineered a scalable Next.js application optimizing TTFB for a 20% performance increase. Integrated Facebook Pixel and Google Analytics to identify a 30% checkout drop-off and implemented targeted UI/UX optimizations to address the issue.
Software Engineer Level 2 – Frontend at Reach
January 1, 2020 - July 9, 2025Built and launched new standalone applications for Reach’s ecosystem leveraging micro-frontend patterns and state-of-the-art tooling for seamless integration. Developed 3 micro-frontend apps that increased user engagement by 15%. Assisted design team in creating performance-efficient designs and collaborated with design and product teams to optimize UI performance and agile planning using JIRA.
Senior Frontend Engineer at Dematic
October 1, 2024 - PresentArchitected offline-first React PWA with service workers and IndexedDB for 50k users (Live UNITE - App), enabling responsive usability and data synchronization. Built 5+ reusable micro-frontend modules and design primitives, reducing deployment time by 15% and increasing engagement by 10%. Collaborated with UI/UX teams to implement pixel-perfect designs. Optimized API layer with React Query caching and background updates, reducing load times by 20% and minimizing redundant network calls to improve overall performance.
Senior Frontend Engineer at Celfocus
November 1, 2022 - October 1, 2024Optimized UI workflows in collaboration with product and design teams, reducing user friction. Reduced support tickets by 14% by developing FAQ/Help modules for Ooredoo Qatar. Enhanced internal testing tools, streamlining developer workflows. Integrated RESTful APIs with React Query and Zod, ensuring type-safe data validation and reducing data-related errors by 25%.
Senior Frontend Engineer at QiDZ
December 1, 2020 - November 1, 2022Improved TTFB from 2.4s to 1.6s (18% faster) via multi-tenant app architecture. Modernized legacy codebases to scalable SPAs, improving UX for 600k+ users. Integrated analytics (Pixel, Google Analytics) resolving 12% checkout drop-offs. Led team of 5 developers, mentoring juniors on React, architecture design, best practices and building scalable, maintainable applications.
Frontend Engineer Level 2 at Reach
March 1, 2019 - December 1, 2020Increased user engagement by 28% through the development and integration of three micro-frontend applications, improving platform cohesion and scalability. Streamlined Agile delivery using JIRA and standardized documentation in Confluence, enhancing sprint visibility and cross-team coordination. Collaborated with design and product teams to optimize UI performance and UX flow. Developed Reach+, a standalone MFE-based app, improving ecosystem cohesion for seamless integration.
Education
Bachelor of Computer Science at Zagazig University, Egypt
January 1, 2015 - December 31, 2019Bachelor of Computer Science at Zagazig University, Egypt
January 1, 2015 - December 31, 2019B.A in Computer Science at Zagazig University, Egypt
January 1, 2015 - January 1, 2019Qualifications
HackerRank Frontend (React)
January 11, 2030 - February 3, 2026Next.js & React (Udemy)
January 11, 2030 - February 3, 2026HackerRank JavaScript Certificate
January 11, 2030 - February 3, 2026AWS Frontend Web & Mobile
January 11, 2030 - February 3, 2026AWS Certified Cloud Practitioner
January 11, 2030 - February 3, 2026Industry Experience
Software & Internet, Telecommunications, Transportation & Logistics, Manufacturing, Media & Entertainment, Professional Services
Skills
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