
Fullstack-utvikler
Khalifa skiller seg ut med sin ekspertise innen mikrotjenester, hendelsesstyrte arkitekturer og domenedrevet design. Han er kjent for sitt lederskap og sin innovative problemløsning, og har jobbet med logistikk, fintech, analyse, ledelsesverktøy, e-læring og e-handel.
Hos Swftbox ledet Khalifa et team som oppgraderte plattformen og reduserte tiden det tok å opprette en ordre fra 6 minutter til 2 sekunder per 100 ordrer, økte inntektene med 4 % og forbedret effektiviteten.

– Konstruerte en plattformoppgradering, ledet et team av 7 utviklere for å levere Versjon 2, og etablerte nye standarder for skalerbarhet, pålitelighet og observabilitet. – Revolusjonerte bestillingsprosessen, reduserte tiden fra 6 minutter per 100 bestillinger til 2 sekunder, og økte inntekten med 4%. – Forvandlet bestillingsspørringssystemet, forbedret operasjonell hastighet og kundeserviceffektivitet. – Omstrukturerte et live prosjekt fra en monolitisk arkitektur til mikrotjenester, noe som forbedret systemmodularitet og ytelse. – Ledet analysefaser for hver sprint, og sikret klare mål og effektiv prosjektplanlegging.

– Ledet oppstartprosessen for Versjon 2, og la grunnlaget for den neste generasjons plattformen. – Forvandlet kodegjennomgangskulturen, og fremmet et samarbeidende og kvalitetsdrevet utviklingsmiljø. – Implementerte en sømløs pipeline for publisering av flere npm-pakker, som strømlinjeformet utvikling og distribusjon. – Arkitekturerte frontend, utviklet innovative og skalerbare løsninger for å møte utviklende brukerbehov. – Identifiserte og optimaliserte ustabile tester i kritiske backend-tjenester, som forbedret systemstabilitet og ytelse.

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.


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.

– Ledet utviklingen av et varselsystem med dynamisk rapportgenerering, som forbedret informasjonsleveransen. – Identifiserte og løste et subtilt problem i komponentbiblioteket, noe som forbedret påliteligheten til frontend-testing. – Fornyet frontend-testing ved å bytte fra Cypress til React-Testing-Library, reduserte CI-testtiden per sammenslåingsforespørsel med 10 minutter og økte daglig produktivitet.

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.

– Analyserte kundekrav og ledet backend-utviklingen for å bygge robuste systemer. – Rekrutterte og veiledet teammedlemmer, og ledet utviklingen for å sikre sammenhengende prosjektleveranser. – Arkitekturerte skalerbare løsninger og administrerte hele utviklingssyklusen. – Utviklet en Instagram-lignende Android-app med Java backend, implementert nøkkelfunksjoner og smidig UX. – Bygde en IoT-enhet for annonsering og utviklet ende-til-ende plattformer på tvers av mobil, web og desktop. – Vedlikeholdt og forbedret klient- og server-side funksjoner, utførte testing og feilsøking for å sikre pålitelighet.

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.

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.

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.

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.
Ingenieurskunst der Spitzenklasse
Khalifa totale ytelse i en 90-minutters live teknisk vurdering rangerer i de top 5% av vurderte Fullstack-utvikler hos Proxify.
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