Node.js Advanced Concept

End-to-End JavaScript Testing with Cypress.io

Go the complete developer's guide (Golang)

- Developed core complex components in Foundful.co using react.js - redux. - Maintained and refactored the main components to scale easily. - Reduced linting errors and warnings by 40% by applying code quality by introducing eslint, prettier, and flow for statically type checking. - Testing (unit testing - e2e testing) by react-testing-library and cypress

React Developer

Completed 3 freelancing jobs with (React, Redux, Firebase, Firestore, and Twilio) and 4 Side Projects.

Software Engineer

- Built full-stack product to enhance patient safety and prevent negative medical interactions by analyzing patient medical profiles. Automated clinical checks for pharmacists within giving insights into analyzing patient profiles. - Developed core backend modules using Node.js(koa) - SQLServer. - Built components for the front end using Pug.js, JavaScript, and CSS. - Solved compatibility issues between Windows OS, electron, and SQLServer. - Managed API integration with the third party. - Applied TDD (Test Driven Development) for new features using Jest (Puppeteer, JSdom). - Improved CI/CD pipelines by introducing Docker and building docker images. - Decreased the CI/CD pipeline's total time by 30% by restructuring the design of testing suits. - Developed a web application for the company’s website using Pug.js, GCP, Heroku, PostgreSQL, and Strapi.

Software Engineer( Full Stack - Remote)

●	Monitored the backend team by providing code reviews, planning to increase code quality, and adding tests. ●	Promoted a more connected, committed, and synchronous working culture among the team members. ●	Increased the technical team productivity by 1.5X by restructuring their roles and responsibilities. ●	Reported and analyzed the team's weaknesses and recommended missing positions to fill the gaps. ●	Introduced Datadog for monitoring with APM to increase observability by 100% and identify issues faster. ●	Accelerated the delivery time by 2X by setting up a continuous integration workflow.

Technical Consultant

- Built mobile-first React app with Express API to manage articles' lifecycle in warehouses. - Suggested improvements for communication, team collaboration, and software lifecycle. - Created event-driven serverless API to manage integration with an online shop, CRM, and fulfillment warehouse. - Redesign printing and uploading PDFs service within React, Node.js, and Cloudflare message queue, workers, R2, D1 (SQLite at Edge) - Designed and implemented a messages queue system, a customized retrying message processing mechanism with high observability by Cloudflare worker, Queue, Durable Objects, and D1 (SQLite at Edge) - Increased delivery time by 5x to the customers by introducing n8n and Tooljet to build complex workflows. - Deployed, and created custom docker images within deployment in Render with PostgreSQL. - Built internal tools to improve mentoring and logging(NewRelic) with Cloudflare workers, Key-Value store, and React with TypeScript. (350K requests/day) - Wrote documentations,

- Developed a robust back-end server (Express and Node.js V10). - Improved database design that achieves normalization and manages database migrations - Integration with Algolia for instant search. - Developed frontend scripts with Vanilla JavaScript - Integration with Nexmo for message verification API - Integration with AWS S3 as images storage - Integration Sentry for logging and error tracking Deploy and manage the whole app in production In the front end improve SEO and enhance the user experience by integrating with many API

Full Stack Developer, Mobadereen

• Founded Okflare, a startup in Dubai focused on innovative AI-driven products. • Developed beta hillm.ai, allowing users to effortlessly create stunning personal websites. • Launched glowupshot.com, enhancing user engagement through beautiful screenshot generation. • Managed gohostless.com, gaining valuable insights from its lifecycle challenges. • Managed Okflare proxy service, it is high availbity reverse proxy on the edge network

Founder

Product Design

Product Engineer

Entrepreneur

ReactJS

NodeJS

NextJS

TypeScript

Indie Hacker

Know about Omar Khairy's work experience, education, bootcamps, certifications, and much more. Omar Khairy