Ahmed Khaled, Developer in Cairo, Cairo Governorate, Egypt
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Ahmed Khaled

Bio

Ahmed is a lead software engineer with over nine years of experience specializing in web development. With an extensive background in design, coding, and testing, he has led technical teams through complete software development cycles. Ahmed has delivered full-stack, front-end, and back-end projects for startups, eCommerce sites, CRMs, SaaS, and web applications.

Portfolio

VidIQ
A/B Testing, React, Node.js, Sanity Studio, Unit Testing, Jest, Next.js, Redux...
Bilt Technologies Inc
TypeScript, React, JavaScript, Next.js, Git, Vercel, A/B Testing, Material UI...
Moss
React, Front-end, Amazon Web Services (AWS), Azure...

Experience

  • JavaScript - 10 years
  • Node.js - 9 years
  • TypeScript - 8 years
  • React - 7 years
  • Next.js - 5 years
  • Technical Leadership - 3 years
  • Team Leadership - 3 years
  • AI Agents - 1 year

Preferred Environment

React, Angular, Node.js, JavaScript, TypeScript, Next.js, Team Leadership, Technical Leadership, OpenAI, A/B Testing

The most amazing...

...moment was sharing years of experience to lead teams and advise stakeholders—turning complex challenges into real growth and success.

Work Experience

Front-end Tech Lead

2021 - PRESENT
VidIQ
  • Developed and implemented a timeline to achieve targets.
  • Estimated the project scope and took part in design discussions and code reviews.
  • Conducted technical interviews to help hire the right talent for the team.
  • Implemented A/B experiments that contributed to the company's growth by increasing the conversion rate and the company's value.
  • Led multiple projects and served as a technical reference for other engineers in the team.
Technologies: A/B Testing, React, Node.js, Sanity Studio, Unit Testing, Jest, Next.js, Redux, HTML, CSS, Styled-components, Responsive UI, Tailwind CSS, Web Extensions, Extensions, Figma, API Hooking, React Hooks, Management, Team Leadership, Architecture, DOM, APIs, REST, Technical Leadership, Project Leadership, Leadership, Front-end Development, OpenAI GPT-3 API, OpenAI GPT-4 API, ChatGPT, Scala, Amazon Web Services (AWS), Analytics, Solution Architecture, API Integration, Amazon EC2, Project Management, Webpack, Google Analytics, FastAPI, React Native, React Query, React Router, OpenAI, Vercel, Caching, Front-end Architecture, Search Engine Optimization (SEO), Core Web Vitals, Static Site Generators, Web Performance Optimization (WPO), Lazy Loading, SSG, Server-side Rendering (SSR), ECMAScript (ES6), Application State Management, Cloudflare, AWS Lambda, Amazon S3 (AWS S3), Technical Architecture, Framer, Git, Claude, Claude Code, AI Agents, Codex, Cursor AI, AI Architecture, Artificial Intelligence (AI), Agentic AI, AI Tools, JSON Web Tokens (JWT), OpenAI Assistants API, Zustand, OpenAI API, Swagger, Streaming, Serverless

Senior Software Engineer (React/TypeScript/Next.js)

2025 - 2025
Bilt Technologies Inc
  • Worked on implementing new marketing placements that helped in improving the conversion rate by over +65%.
  • Implemented and architected features that helped the growth in certain areas by up to +150%.
  • Improved the page loading speed and core web vitals, and provided guidance to embrace better SEO practices.
Technologies: TypeScript, React, JavaScript, Next.js, Git, Vercel, A/B Testing, Material UI, SSG, Server-side Rendering (SSR), Core Web Vitals, Web Performance Optimization (WPO), Mapbox, Google APIs, Google Maps API, Claude, Claude Code, AI Agents, Cursor AI, AI Architecture, Artificial Intelligence (AI), Agentic AI, AI Tools, JSON Web Tokens (JWT), OpenAI Assistants API, Serverless

Full-stack Lead Engineer

2024 - 2024
Moss
  • Led the development of a full-stack application similar to ChatGPT, integrating multiple knowledge bases to enhance response accuracy and user experience.
  • Designed and implemented the front-end architecture using Next.js, ensuring seamless user interaction and improved load times.
  • Developed a scalable back-end infrastructure using Node.js and Express, optimizing API response times by 20% through caching strategies and asynchronous processing.
  • Integrated 3rd-party knowledge base APIs and in-house databases, enabling dynamic and context-aware conversations by cross-referencing external sources with internal knowledge.
  • Enhanced application security by implementing SSO authentication and role-based access control, ensuring data integrity and compliance with industry security standards.
Technologies: React, Front-end, Amazon Web Services (AWS), Azure, Generative Pre-trained Transformers (GPT), Node.js, Azure CLI, Back-end, TypeScript, Zustand, OpenAI GPT-4 API, OpenAI GPT-3 API, OpenAI, OpenAI Assistants API, OpenAI API, Express.js, Swagger, Streaming, Server-side Rendering (SSR), SSG, Next.js, Serverless, Caching, Front-end Architecture, Search Engine Optimization (SEO), Core Web Vitals, Static Site Generators, Web Performance Optimization (WPO), Lazy Loading, ECMAScript (ES6), Application State Management, Git, AI Agents, AI Architecture, Artificial Intelligence (AI), Agentic AI, AI Tools, JSON Web Tokens (JWT)

Lead Front-end Engineer

2021 - 2022
RTIC
  • Delivered a positive and hassle-free user experience.
  • Developed and implemented a timeline to achieve targets.
  • Estimated the project scope and took part in design discussions and code reviews.
  • Produced high-quality, clean code following the best practices.
  • Implemented pixel-perfect designs created with Adobe XD.
Technologies: React, JavaScript, Less, CSS, HTML5, Scala, TypeScript, Redux, A/B Testing, REST APIs, Responsive UI, Tailwind CSS, Styled-components, Management, Team Leadership, Architecture, DOM, APIs, REST, Technical Leadership, Project Leadership, Leadership, Front-end Development, Jest, React Hooks, Amazon Web Services (AWS), Analytics, Full-stack Development, Solution Architecture, API Integration, Project Management, Webpack, Google Analytics, React Query, React Router, Vercel, Caching, Front-end Architecture, Search Engine Optimization (SEO), Core Web Vitals, Web Performance Optimization (WPO), Lazy Loading, SSG, Server-side Rendering (SSR), ECMAScript (ES6), Application State Management, Cloudflare, MySQL, Git

Senior Front-end Engineer

2021 - 2021
Marketing Agency
  • Implemented pixel-perfect A/B tests based on a provided design.
  • Tracked, fixed, and reported bugs provided by the reviewers.
  • Tested the implemented designs on multiple screen variants and mobile and desktop devices.
  • Played a pivotal role in achieving a huge boost in the company's conversion rate.
Technologies: HTML, HTML5, XD to HTML, PDF to HTML, PSD to HTML, CSS, CSS3, JavaScript, jQuery, jQuery UI, A/B Testing, Front-end, React, Content Management Systems (CMS), Responsive UI, eCommerce, Figma, API Hooking, DOM, APIs, REST, Front-end Development, Jest, React Hooks, Analytics, Solution Architecture, API Integration, Amazon EC2, Webpack, Google Analytics, React Native, React Query, React Router, Caching, Front-end Architecture, Search Engine Optimization (SEO), ECMAScript (ES6), Application State Management, MySQL, Amazon S3 (AWS S3), Git

Senior Full-stack Developer

2019 - 2020
Eagle Car Rental
  • Developed an app with various modules to simplify and handle company-wide managerial tasks.
  • Oversaw security measures to ensure that all user data was completely safe and invulnerable.
  • Created unit tests to ensure that every part of the app could be maintained easily in the future.
  • Verified performance of the front-end app components we created and avoided lagging in the user experience.
  • Implemented designs created by the designer on Figma and verified pixel-perfect matching and testing on all browsers and operating systems.
  • Verified back-end app performance of database data retrieval and that the endpoints were sending only the required information.
Technologies: JavaScript, TypeScript, Node.js, React, Redux, Redux Thunk, HTML, SCSS, CSS, Bootstrap, MongoDB, REST APIs, Express.js, Ajax, jQuery, Slack, NoSQL, Front-end, Back-end, Full-stack, Responsive UI, API Hooking, Architecture, DOM, APIs, REST, Material UI, Front-end Development, Jest, React Hooks, Full-stack Development, Solution Architecture, API Integration, Amazon EC2, Webpack, FastAPI, React Router, Front-end Architecture, MySQL, Git

Senior Front-end Developer

2019 - 2020
Spiralyze LLC
  • Implemented designs created by the company's designer on Figma, Adobe XD, or Sketch and verified pixel-perfect matching and testing on all browsers and operating systems.
  • Tracked and fixed bugs detected in the QA process using Asana.
  • Applied designs without touching the source code to ensure we didn't break anything.
  • Reported the status of tasks on a daily basis to the team lead and project manager.
  • Oversaw A/B testing and the implementation of the winning tests, which boosted leads by up to 150%.
Technologies: CSS, JavaScript, Optimizely, VWO, Google Optimize, REST APIs, React, Redux, TypeScript, Ajax, jQuery, Slack, HTML, A/B Testing, Front-end, Content Management Systems (CMS), Responsive UI, eCommerce, Figma, API Hooking, DOM, APIs, REST, Material UI, Front-end Development, Jest, React Hooks, Analytics, Solution Architecture, API Integration, Webpack, Google Analytics, Front-end Architecture, MySQL, AWS Lambda, Amazon S3 (AWS S3), Git

Software Engineer

2016 - 2019
Freelance Clients
  • Developed the front and back end of various projects, providing the highest quality based on the best practices in the field.
  • Managed vast amounts of data and millions of daily users.
  • Created A/B tests based on UX and user psychological practices, increasing conversions with up to 50% more leads.
  • Handled application security for various cases, ensuring all server information and user data remained safe.
  • Tracked and fixed bugs using tools such as Jira and Asana.
  • Mentored junior developers and ensured they were capable of performing complex tasks.
Technologies: Shopify, WordPress, Web API, Jira, Asana, Socket.IO, MongoDB, SQL, C#, ASP.NET MVC, React, Bootstrap, jQuery, SCSS, CSS, HTML, Hapi.js, Express.js, Node.js, Angular, TypeScript, JavaScript, REST APIs, Redux, Next.js, Ajax, Slack, NoSQL, PostgreSQL, Unit Testing, GraphQL, Apollo, React Apollo, Apollo Server, Sanity Studio, Sass, HTML5, A/B Testing, Front-end, Back-end, Full-stack, Content Management Systems (CMS), Responsive UI, eCommerce, Figma, API Hooking, DigitalOcean, Management, Team Leadership, Architecture, DOM, APIs, REST, Material UI, Technical Leadership, Project Leadership, Leadership, Python, Front-end Development, Less, React Hooks, Full-stack Development, Solution Architecture, API Integration, .NET, Amazon EC2, Project Management, Webpack, Google Analytics, FastAPI, React Native, Front-end Architecture, AWS Lambda, Amazon S3 (AWS S3), Git

Experience

Stock and Cryptocurrency Trading Platform

Co-developed the front end and back end of the platform, ensuring that all user data would be 100% secure in a high-performing application that would handle millions of users on a daily basis. I was a full-stack web developer for this project.

Eagle Car Rental (Internal Web App)

A web-based internal app for a leading car rental company in the Egyptian market. The app allows staff to manage and view car states, bookings, earnings, payments, employee information, car maintenance reminders, and customer profiles with scores to track how customers handle the rented cars to inform future booking decisions. The company plans to expand the app to the public in the near future.

2021 Toptal JavaScript Speed Coding Challenge

Participated in this JavaScript coding challenge designed to increase problem-solving skills by solving as many questions as possible in a specific duration. The challenge displays country and global rankings for competitors.

Education

2015 - 2019

Bachelor's Degree in Computer Science

University of Wales - Cardiff, Wales, UK

2015 - 2016

Certified Diploma in Web Development

Russian Cultural Center - Cairo, Egypt

Certifications

DECEMBER 2016 - PRESENT

Microsoft Certified Diploma - Web Development

Microsoft | via Computek Learning Center

JUNE 2016 - PRESENT

Web Development (Full Course)

Udemy

Skills

Libraries/APIs

jQuery, Node.js, React, Web API, REST APIs, jQuery UI, React Query, React Router, OpenAI Assistants API, OpenAI API, Socket.IO, Google APIs, Google Maps API

Tools

Slack, Jira, Asana, Optimizely, Google Optimize, Redux Thunk, Figma, ChatGPT, Webpack, Google Analytics, Git, Claude, Claude Code, Codex, React Apollo

Languages

SQL, HTML, CSS, JavaScript, TypeScript, SCSS, Sass, HTML5, CSS3, Less, C#, ECMAScript (ES6), GraphQL, Python, PHP, Scala

Frameworks

Bootstrap, Angular, Express.js, Redux, ASP.NET MVC, Next.js, Tailwind CSS, Jest, Material UI, .NET, JSON Web Tokens (JWT), Hapi.js, Swagger, Ionic, React Native

Paradigms

Management, REST, Search Engine Optimization (SEO), Web Performance Optimization (WPO), Unit Testing, API Architecture

Platforms

VWO, Amazon EC2, Vercel, AWS Lambda, WordPress, Sanity Studio, Amazon Web Services (AWS), DigitalOcean, Azure, Shopify, Mapbox

Storage

Microsoft SQL Server, MongoDB, NoSQL, PostgreSQL, MySQL, Amazon S3 (AWS S3)

Industry Expertise

Project Management

Other

Software Design, Ajax, Security, Front-end Design, Back-end, XD to HTML, PDF to HTML, PSD to HTML, A/B Testing, Front-end, Content Management Systems (CMS), Responsive UI, eCommerce, API Hooking, Styled-components, React Hooks, Team Leadership, Architecture, DOM, APIs, Technical Leadership, Project Leadership, Leadership, Front-end Development, OpenAI GPT-3 API, OpenAI GPT-4 API, Analytics, Full-stack Development, Solution Architecture, API Integration, FastAPI, OpenAI, Generative Pre-trained Transformers (GPT), Zustand, Streaming, Server-side Rendering (SSR), SSG, Serverless, Caching, Front-end Architecture, Core Web Vitals, Static Site Generators, Lazy Loading, Application State Management, Cloudflare, Technical Architecture, AI Agents, Cursor AI, AI Architecture, Artificial Intelligence (AI), Agentic AI, AI Tools, Apollo, Apollo Server, Full-stack, Web Extensions, Extensions, Framer, MERN Stack, Azure CLI

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