Mohammad O.

Backend Developer

Mohammad has five years of experience as a Backend Developer, known for his high motivation and excellent programming skills.

He has worked with major companies like Microsoft, demonstrating outstanding communication and problem-solving abilities. Mohammad holds a degree in Computer Engineering and has been focused on backend development since 2018.

He is confident in his ability to excel in competitive environments and contribute to transforming small engagements into significant projects. Additionally, he mentors interns daily, is well-versed in Agile methodologies such as Scrum, and possesses a startup mindset. His experience includes maintaining legacy code and designing architecture.

Main expertise

  • Flask
    Flask 3 years
  • GraphQL
    GraphQL 2 years
  • JavaScript
    JavaScript 5 years

Other skills

    Mohammad

    Mohammad O.

    Egypt

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    Selected experience

    Employment

    • Senior Backend Engineer

      Pixelcut - 10 months

      • Worked on developing the backend for the project used by over 18 million users
      • Scaled the project to millions of users without issues
      • Improved performances for different parts of the system
      • Integrated Open AI API to the system
      • Generated prompts for better results from the models.
      • Used AI models for different parts of the photo editor system
      • Helped in developing another services system using Go

      Technologies:

      • Technologies:
      • OAuth2 OAuth2
      • gRPC gRPC
      • Jest Jest
      • Gorm Gorm
      • Prompt Engineering

    • Senior Backend Developer

      Tresl - 4 months

      • Added complex SQL queries to show statistics for stores with dynamic filters.
      • Developed microservices using Node.js, Express, Python, Flask, and FastAPI.
      • Developed a web app showing statistics for different stores.
      • Fixed bugs with old code and improved performances for a system used by over 100K users.
      • Refactored parts of the code to use best practices and address security concerns.

      Technologies:

      • Technologies:
      • Flask Flask
      • Microservices
      • BigQuery BigQuery
      • Jest Jest

    • Software Engineer

      Microsoft - 8 months

      • Worked on Clarity SDK for mobile apps.
      • Improved the performance of previous methods used by utilizing protocol buffers instead of JSON
      • Updated Azure CI/CD pipeline for more robust deployments.
      • Worked on Clarity Web to add new features to improve the user experience.

      Technologies:

      • Technologies:
      • React Native React Native
      • gRPC gRPC

    • Software Engineer (Backend+Team Lead)

      Jabu - 1 year 1 month

      • Worked on the backend of an analytics engagement used by big companies to analyze their product's performance.
      • Handled tons of data, improved performance of queries to handle the vast amount of data in an efficient way
      • Worked on the backend of an Uber-like app with multiple modes to deliver shipments from warehouses over 50K users use.
      • Maintained legacy code
      • Implemented CI/CD pipelines relying on AWS infrastructure

    • Backend Engineer

      Fruitful - 7 months

      • Developed and maintained a mobile banking app's back end using Node.js and MongoDB.
      • Developed microservices using Node.js, Express, Python, Flask and FastAPI
      • Added unit tests with over 95% test coverage and ensured it was stable enough.
      • Revamped the whole back end initially using JavaScript and transformed it to TypeScript.
      • Changed the authentication used in the app and integrated with Auth0 for better authentication.
      • Worked on the back end developed in Python and Flask used to analyze the financial transactions, refactored and removed legacy code, and added features required by the system.
      • Integrated with a Salesforce API to provide services for interaction between agents and end users.

      Technologies:

      • Technologies:
      • Flask Flask
      • Jest Jest
      • Stripe Stripe

    • Software Engineer

      BlockGemini - 10 months

      • Maintained and improved an internal tool used by the company
      • Developed a backend for an app with over 1K installs
      • Fixed bugs in multiple backends using NodeJS and Typescript
      • Designed (DB and API) and implemented a backend for selling images with blogs functionality
      • Deployed backend systems to AWS
      • Designed the infrastructure and architecture of an Uber-like app

      Technologies:

      • Technologies:
      • Jest Jest

    • Backend Developer

      MTMs - 2 years 8 months

      • Developed and maintained backends for over eight applications using Node.js
      • Managed a team of developers (~ 3 developers per project on average)
      • Developed and maintained an app used by top tutors
      • Built automation and webscraping scripts to assist with tasks

      Technologies:

      • Technologies:
      • Microservices
      • gRPC gRPC

    Education

    • BSc.Computer Engineering

      Cairo University · 2016 - 2021

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