Khalifa G.

Khalifa G.

Fullstack Developer

Egypt
Trusted member since 2024
8 years of experience

Khalifa stands out for his microservices, event-driven architectures, and domain-driven design expertise. Known for his leadership and innovative problem-solving, he has worked in logistics, fintech, analytics, management tools, e-learning, and eCommerce.

At Swftbox, Khalifa led a team to upgrade the platform, reducing order creation time from 6 minutes to 2 seconds per 100 orders, boosting revenue by 4%, and enhancing efficiency.

Main expertise

AWS EC2AWS EC23 years
NGINXNGINX5 years
Team Leading2 years
MongoDBMongoDB6 years
18+

Experience12

CobbleWeb

Senior Full-Stack Engineer

CobbleWeb
Information Technology (IT) and Services
Feb 2024 · 2y 1m
  • Engineered a platform upgrade, leading a team of 7 developers to deliver Version 2, establishing new standards for scalability, reliability, and observability.
  • Revolutionized order creation, cutting time from 6 minutes per 100 orders to 2 seconds, increasing revenue by 4%.
  • Transformed the orders querying system, improving operational speed and customer service efficiency.
  • Refactored a live project from a monolithic architecture to microservices, enhancing system modularity and performance.
  • Led analysis phases for each sprint, ensuring clear objectives and effective project planning.
Microservices
Indicina

Fullstack Developer

Indicina
Mar 2022 - Sep 2022 · 6m
  • Spearheaded the bootstrapping process for Version 2, laying the foundation for the next-gen platform.
  • Transformed the code review culture, fostering a collaborative and quality-driven development environment.
  • Implemented a seamless pipeline for publishing multiple npm packages, streamlining development and distribution.
  • Architected the frontend, developing innovative and scalable solutions to meet evolving user needs.
  • Identified and optimized flaky tests in critical backend services, improving system stability and performance.
Indicina

Senior Full Stack Engineer

Indicina
Financial Technology (FinTech)
Mar 2022 - Sep 2022 · 6m
  • Instrumental in spearheading the bootstrapping process for Version 2, laying the foundation for the next-gen platform;

  • Transformed the code review culture, fostering a collaborative and quality-driven development environment;

  • Pioneered a seamless pipeline for publishing multiple npm packages, streamlining development and distribution processes;

  • Played a key role in architecting the frontend, crafting innovative and scalable solutions to meet evolving user needs;

  • Skillfully identified and optimized flaky tests in critical backend services, bolstering system stability and performance.

Microservices
gRPCgRPC
Swftbox

Fullstack Developer

Swftbox
Feb 2022 - Feb 2024 · 2y
  • Engineered a platform upgrade, leading a team of 7 developers to deliver Version 2, establishing new standards for scalability, reliability, and observability.
  • Revolutionized order creation, cutting processing time from 6 minutes per 100 orders to 2 seconds, boosting revenue by 4%.
  • Transformed the orders querying system, greatly improving operational speed and customer service efficiency.
Swftbox

Senior Full-Stack Engineer

Swftbox
E-commerce
Feb 2022 - Feb 2024 · 2y
  • Engineered a cutting-edge platform upgrade, leading a team of 7 developers to deliver Version 2, setting new scalability, reliability, and observability standards;

  • Revolutionized order creation, reducing time from 6 minutes per 100 orders to just 2 seconds, resulting in a 4% revenue increase;

  • Transformed the orders querying system, significantly enhancing operational speed and customer service efficiency.

DataDogDataDog
Opinov8

Fullstack Developer

Opinov8
Mar 2021 - Feb 2022 · 11m
  • Spearheaded the development of a notification system with dynamic report generation, improving information delivery.
  • Identified and resolved a subtle issue in the component library, enhancing frontend testing reliability.
  • Revamped frontend testing by switching from Cypress to React-Testing-Library, reducing CI test time per merge request by 10 minutes and boosting daily productivity.
Opinov8

Senior Full Stack Engineer

Opinov8
Information Technology (IT) and Services
Mar 2021 - Feb 2022 · 11m
  • Spearheaded the development of a cutting-edge notification system powered by dynamic report generation, revolutionizing information delivery;

  • Unearthed and resolved a subtle issue in the component library, significantly enhancing frontend testing;

  • Revitalized frontend testing by transitioning from Cypress to React-Testing-Library, reducing CI testing time per merge request by 10 minutes, greatly boosting daily productivity.

Microservices
GymLeads

Software Engineer

GymLeads
Fitness and Wellness
Mar 2020 - Feb 2021 · 11m
  • Analyzed client requirements and led backend development to build robust systems.
  • Recruited and mentored team members, guiding development and ensuring cohesive project delivery.
  • Architected scalable solutions and managed the full development lifecycle.
  • Developed an Instagram-like Android app with Java backend, implementing key features and smooth UX.
  • Built an IoT device for advertising and developed end-to-end platforms across mobile, web, and desktop.
  • Maintained and enhanced client-side and server-side features, performing testing and debugging to ensure reliability.
RubyRuby
Ruby on RailsRuby on Rails
React NativeReact Native
CircleCICircleCI
Alef Software

Senior Full Stack Engineer

Alef Software
Information Technology (IT) and Services
Feb 2019 - Mar 2020 · 1y 1m
  • Analyzed clients' requirements to ensure applications met their specific needs and expectations;

  • Led backend development efforts, ensuring robust and efficient backend systems;

  • Interviewed new candidates to recruit and build a skilled development team, contributing to overall project success;

  • Mentored frontend engineers, providing guidance and support to enhance their skills and ensure cohesive project development;

  • Architected solutions, designing comprehensive and scalable system architectures;

  • Led a small team through the entire development lifecycle, from initial design to final deployment, ensuring timely and efficient project delivery;

  • Developed an Instagram-like Android application using Android Native, focusing on features such as photo sharing, user authentication, and social interactions;

  • Built the backend infrastructure for the application using Java, ensuring seamless integration with the frontend;

  • Implemented key features and functionalities, ensuring a smooth user experience and robust application performance;

  • Designed and built an IoT device for running advertisements, enhancing the application's capabilities;

  • Developed platforms from A to Z, including mobile, desktop, and web applications, ensuring comprehensive solutions for various client needs;

  • Conducted thorough testing and debugging to identify and resolve issues, improving the application's stability and reliability.

Microservices
Freelance

Full Stack Engineer

Freelance
Remote Work and Collaboration
Feb 2018 - Jan 2019 · 11m
  • Analyzed clients' requirements to ensure the applications met their specific needs and expectations;

  • Led a small team through the entire development lifecycle, from initial design to final deployment, ensuring timely and efficient delivery of projects;

  • Conducted interviews to recruit and build a skilled development team, contributing to the overall project success;

  • Developed an Instagram-like Android application using Android Native, focusing on features such as photo sharing, user authentication, and social interactions;

  • Built the backend infrastructure for the application using Java, ensuring seamless integration with the frontend and optimal performance;

  • Implemented key features and functionalities, ensuring a smooth user experience and robust application performance;

  • Designed and built an IoT device for running advertisements, enhancing the application's capabilities and providing additional value to clients;

  • Developed platforms from A to Z, including mobile, desktop, and web applications, ensuring comprehensive solutions for various client needs;

  • Conducted thorough testing and debugging to identify and resolve issues, improving the application's stability and reliability.

NativeScriptNativeScript
MavenMaven
Codesta

Co-Founder, Backend and Android Developer

Codesta
Information Technology (IT) and Services
Apr 2016 - Dec 2017 · 1y 8m
  • Analyzed client requirements to ensure the application met their needs and expectations;

  • Led a small team through the entire development lifecycle, from initial design to final deployment, ensuring timely and efficient delivery of the application;

  • Conducted interviews to recruit and build a skilled development team, contributing to the overall project success;

  • Developed an Instagram-like Android application using Android Native, focusing on features such as photo sharing, user authentication, and social interactions;

  • Built the backend infrastructure for the application using Java, ensuring seamless integration with the frontend and optimal performance;

  • Implemented key features and functionalities, ensuring a smooth user experience and robust application performance;

  • Designed and built an IoT device for running advertisements, enhancing the application's capabilities and providing additional value to clients;

  • Conducted thorough testing and debugging to identify and resolve issues, improving the application's stability and reliability.

ArduinoArduino
Marsroof

Backend and Android Developer

Marsroof
Apr 2015 - Apr 2016 · 1y
  • Developed an Instagram-like Android application using Android Native;

  • Built the backend for the application using Java;

  • lmplemented key features such as photo sharing, user authentication, and social interactions;

  • Ensured seamless integration between the frontend and backend systems;

  • Conducted thorough testing and debugging to enhance app performance and user experience.

React NativeReact Native

Assessments

Engineering excellence

Khalifa’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Fullstack Developers at Proxify.

Education

AU
Alexandria Universty
Computer science2012 - 2016

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