Khaled Osman

A hybrid mobile and web app that automatically manages users' pension savings accounts along with a credit card that adds 1% cashback on every purchase to their savings accounts.

I was mainly responsible for web and mobile app development as the only person on the front-end team.

A web application for businesses to calculate and analyze their Scope 3 carbon emissions hidden in their supply chain. I acted as an engineering lead on the project, maintaining the architecture, technical specifications, and code reviews.

A web and mobile app that shows businesses the amount of air pollutants and air quality in each room of the building through IoT sensors, along with visualizations and historical data for the measurements over time.

I built both the back end and the front end for the app.

An application that shows the user geographical locations of ice cream vendors moving on a bike nearby his location, using Google Maps capabilities and showing the direction and routes to get there.

I served as a full-stack engineer building both the back end and the web app.

A mobile app that allows users to see information and schedules of ongoing games for multiple sports such as NFL and NBA across multiple leagues, as well as real-time data information regarding live games such as scores, ball position, game clock, game period, ball possession, bets, and odds.

The app also had an "excitometer" that ranked games by how exciting each game was and sent notifications about ongoing game scores to users in real time, both as app notifications and via SMS, depending on user preferences.

I served as a back-end engineer setting up the infrastructure and architecture to gather all the related information from different APIs as well as another back-end API that publishes real-time data to the mobile app.

A hardware and a mobile app that allows users to connect to the internet and take photos from anywhere over the world. I acted as a back-end and firmware engineer developing the back-end API that interacts with the firmware to connect or disconnect from the internet as well as take and save photos and upload them to Dropbox.

Sensor-based hardware that can smartly dispense the needed amount of liquid for each wash cycle, depending on the configuration. It also shows information about the ongoing wash cycle, the estimated time left, and when you need to replenish the liquid.

I served as a back-end engineer creating the APIs both for the firmware needing to send and store device-related events as well as the mobile application where the user needs to see all related information and an activity stream facilitating the communication between both the mobile app and the hardware device.

A web app that allows users to order coffee from a nearby coffee shop and see real-time information regarding their order readiness so that they can pick it up once ready.

I served as a full-stack engineer building both the back-end API and the front-end app.

An application for businesses that digitalizes innovation management by adding their content, data about ongoing trends, technologies, markets, and any data relevant to their business industry through a custom-built CMS. It also enables collaboration on the data through sharing, rating, commenting, real-time interactive data visualizations, and technology radars to determine the business needed course of action or areas of interest.