Publication
Benchmarking A Node.js Promise
https://www.toptal.com/developers/nodejs/benchmark-nodejs-promise
Omar is available for hire
Hire OmarOmar Waleed
Verified Expert in Engineering
Full-stack Developer
Cairo, Cairo Governorate, Egypt
Toptal member since September 30, 2018
Bio
Omar is a full-stack Node.js and Go developer and software architect with over seven years of experience. He has worked with many startups and medium-sized companies. Omar is experienced in converting business requirements into working products and has led multiple technical teams.
Portfolio
Al Rayhan Real Estate
System Architecture, CTO, SaaS Design, Leadership, Full-stack Development...
RemoteOS
Dart, Software Architecture, Electron, Firebase, Node.js, Flutter...
Rectangle Labs, Inc.
TypeScript, JavaScript, Go, APIs, API Integration, OpenAPI, Data Mapping...
Experience
- MongoDB - 11 years
- Node.js - 11 years
- JavaScript - 11 years
- React - 9 years
- Software Architecture - 8 years
- Docker - 8 years
- Go - 7 years
- Technical Leadership - 3 years
Preferred Environment
MERN Stack, Git, Visual Studio Code (VS Code), MacOS, Go, Gorm, Mongoose, PostgreSQL, TypeScript
The most amazing...
...project I've worked on was a service that allowed users to upload their code. It handles the deployment and provides per-millisecond billing.
Work Experience
CTO Talent
2025 - PRESENT
Al Rayhan Real Estate
- Designed and architected the complete technical solution.
- Enabled the company to align their vision with technical feasibility and added an established roadmap for system development.
- Engaged in competition analysis and business aspects.
Technologies: System Architecture, CTO, SaaS Design, Leadership, Full-stack Development, JavaScript, Solution Architecture, Mongoose, Large Language Models (LLMs)
Founder
2019 - PRESENT
RemoteOS
- Developed and maintained the Flutter app for mobile as well as the Electron desktop app.
- Handled Firebase integration with the web and mobile apps.
- Managed the launching and deployments on Android Play Store, iOS App Store, and desktop packaging and distributions.
Technologies: Dart, Software Architecture, Electron, Firebase, Node.js, Flutter, Google Cloud Platform (GCP)
Back-end Engineer
2026 - 2026
Rectangle Labs, Inc.
- Added new integrations with 3rd party providers and handled the data mapping with our internal system.
- Built test cases for the mapping between the 3rd part system and our platform.
- Consulted the team on possible enhancements for the deployment infrastructure and high-availability practices.
Technologies: TypeScript, JavaScript, Go, APIs, API Integration, OpenAPI, Data Mapping, Error Handling, Git
Senior Full-stack Developer
2025 - 2025
Bilt Technologies Inc
- Collaborated with the team on making technical decisions regarding back-end rewriting.
- Shipped web and mobile features related to UI and enhanced customer experience.
- Implemented user behavior analytics as well as shipping experimental features.
Technologies: Java, React, Node.js, React Native, Next.js
Full-stack NestJS and React Developer
2024 - 2025
Just Right Reader INC
- Documented the current system and architecture to introduce understandability and structure to the current system.
- Developed new automation criteria for newly introduced or updated data to assist the operations team.
- Developed and architected an MVP rewriting structure of the current tool with a simpler and more user-friendly flow.
Technologies: React, JavaScript, Node.js, TypeScript, NestJS, Prisma
Electron Developer
2024 - 2024
Nutaq Technologies Inc
- Developed an Electron app that handles direct communication with proprietary hardware.
- Consulted the management team on best practices related to the distribution and capabilities of the app.
- Developed a customized licensing system that enables online and offline registration.
Technologies: Electron, JavaScript, Chromium, Cross-platform, User Interface (UI), GUI Design, Graphical User Interface (GUI), UI Design, Windows, Linux, APIs, Solution Architecture
Full-stack Node.js and React Developer
2023 - 2024
Tixplorer
- Integrated ticket search across multiple vendors and providers.
- Migrated the codebase to TypeScript and the structure to a serverless one.
- Oversaw the initial release of the software and took care of bug fixes and corner cases.
Technologies: JavaScript, React, Node.js, APIs, Requirements, Search Engines, Full-stack, TypeScript, Firebase, Serverless, Algolia, Solution Architecture, Mongoose
Senior Software Engineer
2023 - 2024
IBM
- Took responsibility for updating the UI in multiple locations, especially the checkout and product pages.
- Modified the back-end logic and integrations with 3rd-party providers.
- Managed analytics events for different analytics providers.
Technologies: Node.js, TypeScript, JavaScript, APIs, mParticle, React
Full-stack React and Node.js Developer
2023 - 2023
Kindred Veterinary Technologies LLC
- Architected the entire application from a business idea to a complete technical product and supervised the continuous improvements and business decisions taken along the way.
- Supervised the QA team's performance and improvements.
- Was involved in multiple client pitches to answer any technical questions and special requests.
Technologies: Node.js, React, JavaScript, HTML, CSS, APIs, Electronic Medical Records (EMR), PostgreSQL, Payment APIs, Online Payments, MongoDB, Amazon EC2, TypeScript, REST, CI/CD Pipelines, Material UI, Front-end, API Integration, Solution Architecture, Mongoose
Full-stack React Developer
2022 - 2023
Cuisin, Inc.
- Built the entire back end of the software and the connection to different social platforms.
- Provided the client with my expertise in payment and payout solutions.
- Set up and deploy multiple environments of the system.
Technologies: React, JavaScript, Next.js, Node.js, Firebase, CSS, React Native, Back-end, HTML5, REST, Material UI, Front-end, API Integration, Solution Architecture, Mongoose
Vue, React, and Node.js Developer
2021 - 2023
Equipment Simulations LLC
- Developed the reworked app for simulation creation using a 2D engine.
- Created new features and maintained core JavaScript applications.
- Monitored and maintained core app infrastructure with different environments.
- Wrote multiple automation scripts to help with the build process of core application components.
Technologies: React, Node.js, Vue, MongoDB, Amazon Web Services (AWS), Flutter, Team Leadership, DevOps, Back-end, HTML5, REST, Front-end, Mongoose
Full-stack Developer
2021 - 2022
Silver Logistics LLC
- Architected the platform to manage human resources in the trucking industry.
- Enabled administrators to migrate their current flow worksheets into the system for an easy transition.
- Created aggregation scripts to ensure the administration can easily view historical data regarding the workforce.
Technologies: React, Node.js, HTML, CSS, JavaScript, MongoDB, Twilio, Solution Architecture, Mongoose
Back-end Developer
2019 - 2020
Signs365
- Built the internal tool used in the company.
- Maintained different microservices and their connections.
- Reviewed and enhanced the structure of multiple data tables.
Technologies: Docker, MySQL, Node.js, Back-end, REST, API Integration
CTO
2019 - 2020
Untap Compete
- Handled team recruitement.
- Helped and supervised team work.
- Architected the solution rebuild process.
- Helped prioritize and organize company's technical goals.
Technologies: Software Architecture, PostgreSQL, Node.js, CTO, Technical Consulting, HTML5, Leadership
Team Lead
2019 - 2019
Mongez
- Acted as middleman between management and development team.
- Prioritized tasks and deliverables.
- Guided the team through application lifecycle.
- Architected system changes based on business requirements.
- Provided the team with learning sessions on helpful tools in development.
- Interviewed new candidates.
- Reported to senior management on progress.
- Handled deployment of application.
Technologies: Requirements Analysis, DigitalOcean, Software Architecture, Technical Leadership, Kubernetes, Docker, MySQL, Node.js, CTO, Technical Consulting, HTML5, CI/CD Pipelines, API Integration, Solution Architecture, Leadership
Technical Consultant
2019 - 2019
BSocial
- Guided team development lifecycles.
- Architected software solutions based on client needs.
- Handled deployment, replication, and uptime configuration.
- Handled securing applications.
- Guided team on best practices.
- Assisted project manager on deciding on time estimations.
- Handled interviews for new candidates.
Technologies: Amazon Web Services (AWS), Requirements Analysis, DigitalOcean, Software Architecture, Technical Leadership, Docker, Kubernetes, CTO, Technical Consulting, HTML5, Leadership
Senior Full-stack Node.js Developer
2019 - 2019
ArcType (via Toptal)
- Created back-end functionality serving core application.
- Implemented front-end components and pages as needed.
Technologies: Next.js, MySQL, PostgreSQL, Git, Electron, React, Node.js, HTML5, Front-end
Full-stack Node.js Developer
2019 - 2019
Ace Match (via Toptal)
- Developed back end features.
- Integrated system with Twitch API.
- Integrated Stripe payment.
- Developed front end components.
- Handled DevOps and container orchestration.
Technologies: Vue, DigitalOcean, Stripe, Twitch API, Express.js, Vue Router, Docker, Kubernetes, MongoDB, Node.js, Back-end, HTML5, REST, Front-end, API Integration, Solution Architecture, Mongoose
Node.js Developer
2018 - 2019
Prontobot LLC (via Toptal)
- Handled development of chatbot response logic.
- Handled deployment of application.
- Created dashboards for the management team.
- Developed client-facing website.
Technologies: DigitalOcean, React, Kubernetes, Elasticsearch, Facebook Messenger API, MongoDB, Node.js, Back-end, REST, CI/CD Pipelines, Material UI, Front-end, API Integration, Mongoose
Senior Node.js Developer, DevOps Engineer, Software Architect
2018 - 2018
Foorera LLC
- Designed and implemented all of application's functions and database schema into a new back-end system.
- Designed and added new features to application.
- Created cron jobs to handle time functions.
- Created automation scripts with Node.js and GoLang.
- Created an admin panel using Ruby on Rails.
- Created in-app chat system with socket.io.
- Introduced data caching with Redis.
- Implemented multiple microservices to prevent coherence of application functions.
- Designed and implemented a password keeper with Electron.js.
- Created an app with React Native.
Technologies: Go, DigitalOcean, Software Architecture, Technical Leadership, Electron, React, React Native, Socket.IO, Sequelize, Ruby on Rails (RoR), Ruby, MySQL, MongoDB, Express.js, Node.js, Back-end, HTML5, REST, Front-end, API Integration, Solution Architecture
Senior Full-stack Node.js Developer
2018 - 2018
MoneyFellows
- Handled design of admin panel using Material UI design.
- Implemented front-end components using React.
- Implemented back-end microservice to handle admin actions.
- Handled deployment of development and staging versions of app and database.
- Handled file upload and retrieval of files with Amazon S3.
Technologies: MySQL, Google Material Design, React, Express.js, Node.js, HTML5, Front-end
Senior Ruby on Rails Developer and Team Lead
2017 - 2018
Nasnav
- Handled migration from old team.
- Developed new features using ruby on rails.
- Distributed tasks and handled communication between UX/UI designers, front-end developers, Unity developers, and back-end.
- Translated business requirements into tasks for the development teams.
- Handled testing of new features.
Technologies: DigitalOcean, Technical Leadership, Ruby on Rails (RoR), Ruby, HTML5, API Integration, Leadership
Back-end Node.js Developer and DevOps Engineer
2017 - 2017
Code Touch (Trufla Technologies)
- Developed product features using Node.js.
- Handled application containerization with Docker.
- Handled application deployment, orchestration, and replication.
- Wrote test cases for old and new features using Mocha.js.
- Handled intermediate communication between team leader and junior developers.
- Handled CI and CD for application.
Technologies: DigitalOcean, Mocha, Amazon EC2, MongoDB, Sails.js, Node.js, Back-end, HTML5, REST, Mongoose
Node.js Developer
2016 - 2016
Evexia Labs
- Handled migration of app from PHP to node.js.
- Distributed tasks among team members.
- Developed main product's features.
- Developed application database schema.
- Implemented main front-end reactive components.
- Handled form and database validations.
- Tested main application components.
Technologies: Handlebars, Meteor, Node.js, Back-end, HTML5, REST, Mongoose
Ruby on Rails Developer and DevOps Engineer
2015 - 2016
DRZ cloud services
- Developed the company's main product's backend using Ruby on Rails.
- Handled server side rendering of data.
- Handled product road-map planning.
- Distributed tasks and handled management communication between front-end, back-end, and designers.
- Handled deployment of product on production servers.
Technologies: AWS Elastic Beanstalk, Amazon S3 (AWS S3), Ruby ERB, Ruby on Rails (RoR), Ruby, Back-end, HTML5
Android Developer Intern
2014 - 2014
Hero Middle East & Africa
- Designed UI and UX for the company's Android applications.
- Created an application that is used internally for communication between company and merchandisers.
- Created an application to retrieve the company's performance reports be senior management.
- Updated product list on the company's server to be handled by merchandisers' app.
- Handling securing uploads and downloads from the company's server.
Technologies: Android, Java
Experience
Express.js InfluxDB Logger Middleware
A middleware created for Express.js that logs requests' URLs and their corresponding response time into InfluxDB. This is meant to be a replacement for needing to use a service like Datadog when it comes to the aggregation part.
The project is open source and is available on npm.
The project is open source and is available on npm.
Node.js File/Folder Watcher
Executes commands when a change is detected in the target file/folder.
Ruby on Rails Video Converter API
https://github.com/omarwaleed/video-converterAn application that is only served as an API that allows users to upload a video and used FFMPEG to convert this video into other formats and resolutions.
Node.js Push Notifications Microservice
https://github.com/omarwaleed/push-notifications-msA microservice to be deployed easily and require only a few variables to change to be fully functional. This microservice has the ability to send push notifications to user devices using Firebase cloud messaging (FCM) or using its wrapper service OneSignal.
Find and Mark Nearest Gas Station
https://github.com/omarwaleed/Internsvalley-taskA simple react application that allows the user to click on any location and the app will find the nearest gas station from a list given.
Vue Admin Panel Prototype
Created a prototype admin panel for a Saudi entity showing off some proposed features. MEVN stack was used.
Education
2012 - 2017
Bachelor's Degree in Computer Science and Engineering
German University in Cairo - Cairo, Egypt
Skills
Libraries/APIs
React, Node.js, Socket.IO, Vue, Vue 2, REST APIs, Chai, Facebook Messenger API, Stripe, Ruby ERB, Handlebars, Twitch API, Stripe API, TensorFlow, OpenAPI
Tools
Git, Docker Swarm, Mocha, Mongoose, AWS ELB, Sequelize, Angular CLI, Vue CLI, RabbitMQ, Prisma
Languages
Go, JavaScript, HTML, TypeScript, HTML5, Ruby, SQL, CSS, Dart, Java, Python
Frameworks
Electron, Express.js, Jest, Flutter, Gorm, Material UI, Redux, Ruby on Rails 5, React Native, Ruby on Rails (RoR), Sails.js, Next.js, Angular, Angular Material, NestJS
Paradigms
Unit Testing, REST, Requirements Analysis, DevOps, Stress Testing, Cross-platform, UI Design
Platforms
Docker, Amazon EC2, DigitalOcean, Firebase, MacOS, Amazon Web Services (AWS), Kubernetes, Heroku, AWS Elastic Beanstalk, Google Cloud Platform (GCP), Algolia, Android, Meteor, Twilio, Visual Studio Code (VS Code), Windows, Linux
Storage
Redis, MongoDB, PouchDB, RethinkDB, PostgreSQL, MySQL, Amazon S3 (AWS S3), InfluxDB, Elasticsearch, NoSQL
Other
Technical Leadership, MERN Stack, Software Architecture, APIs, Architecture, SaaS, Cloud, Full-stack, Technical Architecture, Technical Consulting, Back-end, Front-end, API Integration, Full-stack Development, Solution Architecture, Google Material Design, Software Design, Solution Design, CTO, Fintech, Team Leadership, CI/CD Pipelines, OpenAI, Leadership, Large Language Models (LLMs), Vue Router, Electronic Medical Records (EMR), Payment APIs, Online Payments, mParticle, Game Development, Web App Development, System Architecture, Image Processing, Requirements, Search Engines, Serverless, Chromium, User Interface (UI), GUI Design, Graphical User Interface (GUI), Machine Learning, Artificial Intelligence (AI), SaaS Design, Data Mapping, Error Handling
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