Marouane Hallaoui - Principal Software Engineering at Oracle

Marouane Hallaoui

Principal Software Engineering at Oracle

Rabat, Morocco

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Summary

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Senior

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Top School

Marouane Hallaoui is a Principal Software Engineer with nine years of experience building high-performance, distributed Java systems and full-stack e-commerce platforms. Currently at Oracle Labs and a member of the GraalVM team, he contributes to native-image and JVMCI integration efforts that improve startup time and resource efficiency for real-world Java workloads. His background blends deep middleware knowledge (RMI, SOAP/REST, sockets), software engineering best practices (Gang of Four, SOLID, Clean Code) and hands-on network/system administration—enabling a pragmatic DevOps-aware approach to scalable architecture. He has led Hybris migrations and CI-driven stabilization for international e-commerce, and his open-source work on Graal shows a focus on keeping complex build and benchmark pipelines compatible and up to date. Colleagues rely on him for careful, adaptable delivery of durable solutions under technical constraints.

9 years of coding experience

8 years of employment as a software developer

Technical University Degree, Administration de / administrateur réseaux et systèmes, Très bien, Technical University Degree, Administration de / administrateur réseaux et systèmes, Très bien at Ecole Supérieure de Technologie à Salé (ESTS)

Baccalauréat Scientifique, Science physiques et chimiques, Mention très bien, Baccalauréat Scientifique, Science physiques et chimiques, Mention très bien at Lycée Abd Lakrim el Khattabi

State Engineer Diploma, Génie Logiciel et Systèmes d'Informations Distribués 3ème année, State Engineer Diploma, Génie Logiciel et Systèmes d'Informations Distribués 3ème année at ENSET Mohammedia

French, Arabic, English

Stackoverflow

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1answer

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Github Skills (13)

javas10

graalvm10

java10

dependency-management9

build-system8

arm7

caching6

benchmarking6

benchmark6

sap-commerce-cloud6

aot5

compiler-compiler5

compiler5

Programming languages (3)

JavaC++Python

Github contributions (5)

oracle/graal

May 2021 - Jan 2024

GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

Role in this project:

Back-end Developer

Contributions:8 comments, 1 issue in 2 years 8 months

Contributions summary:Marouane primarily worked on updating and maintaining the GraalVM project, specifically by incorporating the latest versions of JVMCI. They contributed to the build process, making changes to configurations and build scripts for various aspects of the project, including benchmarking. The commits show the user was also responsible for incorporating updates to code, which involved multiple files and related to incorporating new features and dependencies. The changes indicate a focus on keeping the project up-to-date with its dependencies and ensuring compatibility with different environments.

polyglotpythonjavascriptrubyanywhere

marwan-hallaoui/IoC_Indtroduction

Nov 2016 - Nov 2016

Contributions:3 pushes, 1 branch in 1 day

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