Khalifa G.

Fullstack-udvikler

Khalifa er Fullstack-udvikler med over 8 års erfaring, specialiseret i backend- og frontend-teknologier, især Node.js. Han udmærker sig inden for OOP, FP, designmønstre, SOLID-principper, hændelsesdrevne arkitekturer og mikrotjenester og skaber skalerbare softwareløsninger.

Khalifa skiller sig ud med sin ekspertise inden for mikrotjenester, hændelsesdrevne arkitekturer og domænedrevet design. Han er kendt for sit lederskab og sin innovative problemløsning og har arbejdet med logistik, fintech, analyse, ledelsesværktøjer, e-læring og e-handel.

Hos Swftbox stod Khalifa i spidsen for et team, der opgraderede platformen og reducerede ordreoprettelsestiden fra 6 minutter til 2 sekunder pr. 100 ordrer, øgede omsætningen med 4 % og forbedrede effektiviteten.

Hovedekspertise

  • AWS EC2
    AWS EC2 3 år
  • NGINX
    NGINX 5 år
  • Team Leading 2 år

Andre færdigheder

  • PostgreSQL
    PostgreSQL 7 år
  • Digital Ocean
    Digital Ocean 3 år
  • RabbitMQ
    RabbitMQ 3 år
Khalifa

Khalifa G.

Egypt

Match med udvikler her

Udvalgt oplevelse

Beskæftigelse

  • Fullstack-udvikler

    CobbleWeb - 1 år 9 måneder

    • Ingeniør et platformopgradering, ledede et team af 7 udviklere til at levere Version 2, og etablerede nye standarder for skalerbarhed, pålidelighed og observabilitet.
    • Revolutionerede ordredannelsen, reducerede tiden fra 6 minutter pr. 100 ordrer til 2 sekunder og øgede indtægterne med 4%.
    • Transformerede forespørgselssystemet for ordrer og forbedrede operationel hastighed og kundeserviceeffektivitet.
    • Refaktorerede et live projekt fra en monolitisk arkitektur til mikroservices, hvilket forbedrede systemets modularitet og ydeevne.
    • Ledede analysefaser for hver sprint, hvilket sikrede klare mål og effektiv projektplanlægning.

    Teknologier:

    • Teknologier:
    • Microservices
  • Fullstack-udviklerFullstack-ontwikkelaar

    Indicina - 6 måneder

    • Drev bootstrapping-processen for Version 2, der lagde grundlaget for den næste generations platform.
    • Transformerede kodeanmeldelseskulturen, fremmede et samarbejdsvilligt og kvalitetsdrevet udviklingsmiljø.
    • Implementerede en problemfri pipeline til offentliggørelse af flere npm-pakker, hvilket strømlinede udvikling og distribution.
    • Arkitekterede frontenden ved at udvikle innovative og skalerbare løsninger for at imødekomme udviklende brugerbehov.
    • Identificerede og optimerede flaky tests i kritiske backend-tjenester, hvilket forbedrede systemets stabilitet og ydeevne.
  • Senior Full Stack Engineer

    Indicina - 6 måneder

    • 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.

    Teknologier:

    • Teknologier:
    • Microservices
    • gRPC gRPC
  • Fullstack-udvikler

    Swftbox - 2 flere år

    • Ingeniør et platformopgradering, ledede et team af 7 udviklere for at levere Version 2, og etablerede nye standarder for skalerbarhed, pålidelighed og observabilitet.
    • Revolutionerede ordreoprettelse, hvorved behandlingstiden blev reduceret fra 6 minutter pr. 100 ordrer til 2 sekunder, hvilket øgede indtægterne med 4%.
    • Transformerede bestillingsforespørgssystemet, hvilket betydeligt forbedrede operationel hastighed og kundeserviceeffektivitet.
  • Senior Full-Stack Engineer

    Swftbox - 2 flere år

    • 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.

    Teknologier:

    • Teknologier:
    • DataDog DataDog
  • Fullstack-udvikler

    Opinov8 - 11 måneder

    • Drev udviklingen af et notifikationssystem med dynamisk rapportgenerering, hvilket forbedrede informationens levering.
    • Identificerede og løste et subtilt problem i komponentbiblioteket, hvilket forbedrede frontend-testenes pålidelighed.
    • Forbedrede frontend-testning ved at skifte fra Cypress til React-Testing-Library, hvilket reducerede CI-testtid pr. merge-anmodning med 10 minutter og øgede daglig produktivitet.
  • Senior Full Stack Engineer

    Opinov8 - 11 måneder

    • 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.

    Teknologier:

    • Teknologier:
    • Microservices
  • Software Engineer

    GymLeads - 11 måneder

    • Analyserede klientkrav og ledede backend-udvikling for at bygge robuste systemer.
    • Rekrutterede og vejledte teammedlemmer, guidede udviklingen og sikrede sammenhængende projektlevering.
    • Arkitekterede skalerbare løsninger og styrede hele udviklingslivscyklussen.
    • Udviklede en Instagram-lignende Android-app med Java-backend, implementerede centrale funktioner og glidende UX.
    • Byggede en IoT-enhed til reklame og udviklede end-to-end-platforme på tværs af mobil, web og desktop.
    • Vedligeholdte og forbedrede klient- og server-side funktioner, udførte test og fejlfinding for at sikre pålidelighed.

    Teknologier:

    • Teknologier:
    • Ruby Ruby
    • Ruby on Rails Ruby on Rails
    • React Native React Native
    • CircleCI CircleCI
  • Senior Full Stack Engineer

    Alef Software - 1 år 1 måned

    • 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.

    Teknologier:

    • Teknologier:
    • Microservices
  • Full Stack Engineer

    Freelance - 11 måneder

    • 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.

    Teknologier:

    • Teknologier:
    • NativeScript NativeScript
    • Maven Maven
  • Co-Founder, Backend and Android Developer

    Codesta - 1 år 8 måneder

    • 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.

    Teknologier:

    • Teknologier:
    • Arduino Arduino
  • Backend and Android Developer

    Marsroof - 1 år

    • 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.

    Teknologier:

    • Teknologier:
    • React Native React Native

Uddannelse

  • BSc.Computer science

    Alexandria Universty · 2012 - 2016

Find din næste udvikler inden for få dage, ikke måneder

Book en 25-minutters samtale, hvor vi:

  • udfører behovsafdækning med fokus på udviklingsopgaver
  • Forklar vores proces, hvor vi matcher dig med kvalificerede, godkendte udviklere fra vores netværk
  • beskriver de næste trin for at finde det perfekte match på få dage

Lad os snakke om det