Ruby on Rails Developer
2022 - 2023Colorado State Government - Colorado General Assembly - Legislative Branch- Developed an app that allows the general public to book tours for the Colorado General Assembly using Ruby on Rails.
- Allowed Colorado General Assembly admins to manage allowed booking times and assign tour guides to visitors.
- Used Pundit to allow different users to access different parts of the application.
Technologies: Ruby on Rails (RoR), PostgreSQL, Devise, Turbo, Stimulus, Tailwind CSS, PunditSenior Full-stack Engineer
2021 - 2022Spikerbooking- Developed a cloud-based music artist and venue-matching platform for artists and bands to find a place to play music.
- Created a back-end Ruby on Rails API with a PostgreSQL database.
- Built a React front end from Zeplin designs and integrated it with the back-end RESTful API.
Technologies: Ruby on Rails (RoR), React, MUI (Material UI), Elasticsearch, Cloudinary, PostgreSQL, CircleCI, Git, GitHub, Trello, Agile, Zeplin, Heroku, SQL, Front-end, UI DesignSenior Full-stack Engineer
2020 - 2021Owens Corning- Created reusable React components and integrated them with the Ruby on Rails website.
- Tracked and fixed bugs using Jira as a reporting tool.
- Modified back-end Ruby on Rails APIs with the required database and data migrations.
Technologies: Ruby on Rails (RoR), React, SQL, Front-endSenior Full-stack Developer
2018 - 2021Max Plank- Developed and delivered a full-stack website for a game, supporting a research project.
- Worked on four other in-house projects that involved back- and front-end development.
- Implemented social-media authentication for sites like Facebook and Google.
- Deployed the Meteor full-stack application to Galaxy.
- Designed, deployed, and maintained a MongoDB cluster on Atlas.
Technologies: Node.js, Express.js, Amazon S3 (AWS S3), MongoDB, Atlas, React, CircleCI, Git, GitHub, Galaxy, Meteor, Front-endSenior Front-end Engineer
2020 - 2020Trendhim- Migrated the old website from Vanilla JS to React.
- Built a flexible, customizable UI library for the new website.
- Provided React training sessions to internal front-end and non-React engineers.
Technologies: JavaScript 6, React, CSS, SCSS, Next.js, Front-endSenior Full-stack Engineer
2018 - 2019Bosta- Built the customized front-end Angular components and deeply refactored the codebase.
- Connected Bosta's back-end service to external third-party APIs, such as Pipedrive, for the sales team.
- Created the CI/CD pipelines in CircleCI and incorporated continuous delivery practices in our team.
- Led a team of eight software engineers to design and develop back-end services that support our complex logistics and operations, using Meteor, Node.js, Express, MongoDB, and Mongoose with TypeScript and unit testing, using Jest.
- Oversaw the development of new refactored versions of our front-end React websites and the native Android mobile application.
Technologies: CircleCI, Docker, TypeScript, JavaScript, HTML, Angular, React, MongoDB, Node.js, Meteor, Mongoose, Agile, Agile Project Management, CI/CD Pipelines, Team Leadership, Express.js, Front-end, UI DesigniOS Developer
2017 - 2018Itihad Club (Inova, LLC)- Developed a portal for club members to access the club's different activities.
- Enabled members to view and reserve club trips, sports training sessions, and other activities; they receive push notifications for the activities they've joined.
- Implemented the ability for users to subscribe to different news feeds and receive live news for the club.
- Built a club gallery and a YouTube live stream channel.
- Created the back end in Ruby on Rails and used Firebase to send push notifications.
Technologies: Firebase, Ruby on Rails (RoR), Ruby, SwiftSoftware Projects Lead
2017 - 2018Inova- Led a team of software engineers to create the required client projects.
- Designed the back-end APIs using Ruby on Rails to support the mobile applications.
- Communicated with the company clients and delivered the required software on time.
Technologies: Ruby on Rails (RoR), Agile Project Management, Scrum, Team LeadershipSoftware Engineer
2016 - 2017ADC- Analyzed the original work of the office, which included a lot of paperwork and spreadsheets.
- Designed a system that substituted all the needed paperwork and significantly increased efficiency. Previously, a typical day's work would take more than 35 man-hours. Now, it takes about ten.
- Implemented the system gradually and trained the staff to use it while making it backward-compatible by automatically generating all the previous spreadsheets.
Technologies: Microsoft SQL Server, C#, UI DesignRuby on Rails Developer
2015 - 2016RRP- Designed and implemented a customer relationship management system that helped maintain and track the expanding customer base.
- Implemented a call management feature in the system that helped the staff keep track of calls for key customers and give comments on these calls.
- Developed data visualization features, such as maps showing customer concentrations and graphs of different customer segments.
Technologies: Bootstrap, Ruby on Rails (RoR), RubySoftware Engineer
2015 - 2016Webalo- Implemented the data encryption between the back end server and the user admin panel.
- Developed the back-end functionality to infer the data model from a RESTful service such as JSON or XML.
- Created a mobile application from the provided data using our mobilization system.
Technologies: JavaSoftware Engineering Intern
2014 - 2014Lynks- Developed a system that queries and scrapes data from multiple shopping websites, processes them, then adds them to our back-end model to be viewed on our website.
- Installed Rspec, a testing framework in Rails, to test the currently implemented system.
- Implemented different Ruby on Rails features for the website.
Technologies: PostgreSQL, JavaScript, Ruby on Rails (RoR), Ruby
Khaled Yacout
Software Developer in Alexandria, Alexandria Governorate, Egypt
Member since December 10, 2017
Khaled is a software engineer who's passionate about solving complex problems by designing algorithms and computer software. He's able to learn and adapt to any technology and has a BS degree in computer engineering. He's experienced in creating back-end server apps using RoR, Node.js as well as front-end web apps using Angular and React. Moreover, he's worked as a project manager—leading teams in the development of client products.
Khaled is now available for hire
Portfolio
- Colorado State Government - Colorado General Assembly - Legislative BranchRuby on Rails (RoR), PostgreSQL, Devise, Turbo, Stimulus, Tailwind CSS, Pundit
- SpikerbookingRuby on Rails (RoR), React, MUI (Material UI), Elasticsearch, Cloudinary...
- Owens CorningRuby on Rails (RoR), React, SQL, Front-end
Experience
- JavaScript 5 years
- React 4 years
- Node.js 4 years
- Ruby on Rails (RoR) 4 years
- MongoDB 3 years
- Next.js 3 years
- Express.js 3 years
- Tailwind CSS 3 years
Availability
Full-time
Preferred Environment
Visual Studio, Git, Unix
The most amazing...
...thing I've created was an indoor localization system that analyzes WiFi signals from routers detecting your position from a preset of learned data.
Employment
Experience
- Indoor Localization System
Created an indoor localization system that analyzes WiFi signals from routers detecting your position from a preset of learned data.
- Arab's Collegiate Programming Contest
Won a medal in ACM's Arab Collegiate programming contest, and was ranked eighth among more than 100 teams from all over the Arab world.
- K-Means Parallel Algorithm
Configured and maintained a Hadoop cluster and implemented the K-Means algorithm on it.
- Distributed File System
Designed a distributed file system that works using master-slave architecture. The system keeps multiple replicas of the files for increased reliability and handles concurrency and consistency.
Skills
Languages
JavaScript, Ruby, HTML, CSS, TypeScript, TypeScript 3, XML, HTML5, SQL, C#, Java, Swift 4, Python, Swift, C, GraphQL, C++, JavaScript 6, SCSSFrameworks
Ruby on Rails 5, Ruby on Rails (RoR), JSON Web Tokens (JWT), OAuth 2, Express.js, Next.js, Tailwind CSS, AngularJS, Angular, Bootstrap, MUI (Material UI), StimulusLibraries/APIs
REST APIs, Socket.IO, React, Node.js, Java RMI, Devise, PunditTools
Slack, SourceTree, GitHub, Git, Bitbucket, Mongoose, Asana, Zeplin, Postman, Terminal, Microsoft Visual Studio, Pivotal Tracker, CircleCI, Jira, Xcode, Visual Studio, Trello, TurboParadigms
Database Design, Object-oriented Programming (OOP), RESTful Development, REST, App Development, Agile, UI Design, Design Patterns, Agile Software Development, Agile Project Management, Mobile Development, ScrumPlatforms
Windows, Ubuntu, Meteor, Amazon Web Services (AWS), Heroku, Amazon EC2, Firebase, Linux, Unix, iOS, Blockchain, Docker, GalaxyStorage
JSON, MongoDB, NoSQL, Databases, Amazon S3 (AWS S3), Microsoft SQL Server, SQLite, PostgreSQL, ElasticsearchOther
Algorithms, Data Structures, RESTful Web Services, Full-stack, Back-end, Web Development, Saetta Web Server, MERN Stack, Front-end, CI/CD Pipelines, HTTP, Team Leadership, Distributed Systems, OAuth, Atlas, Cloudinary, Software Engineering, Compilers, Computer Vision, Business Analysis, User Requirements, User Stories, Product Owner, Business Process Modeling
Education
- Bachelor's Degree in Computer and Systems Engineering2010 - 2015Alexandria University - Alexandria, Egypt
Certifications
- BCS Practitioner Certificate in Modelling Business Processes 2018JUNE 2021 - PRESENTBritish Computer Society
- Foundation Certificate in Business AnalysisMARCH 2021 - PRESENTBritish Computer Society
