Oussama Meziani

Software Engineer

Salary / Daily rate

Liège, Belgium

Freelance

Can come onsite

Skills

C++C

Languages

English

About me

Intro

Software Engineer with 6+ years of full-stack development expertise in cloud infrastructure and blockchain technologies. Led Azure migrations for major retailers, implemented payment gateways for 800+ stores, and specialized in modern tech stack including AWS, GraphQL, and smart contracts. Ready to deliver scalable solutions with cutting-edge Rust and quantum computing knowledge.

Links

Work experience

Software engineer

Myself

Mar 2026 - Present

8 months

Liège, Belgium

I'm trying to build a Post Quantum Resistant kernel and OS called FalQon-OS wirtten in Zig

Rust Software Engineer

OleOle

Aug 2025 - Oct 2025

3 months

California, United States · Remote

Skills: Rust · Amazon Web Services (AWS) · GraphQL · Amazon Cognito · Python (Programming Language) · PostgreSQL · DynamoDB

Software Engineer

KPMG Malta

Mar 2024 - Oct 2024

8 months

Malta · Hybrid

Project ACCA is a learning platform where you can pass certifications. Goal of the project was to have a new way of registering and login into the platform. Key achievements Start implementing an Azure AD B2C gateway Managed Azure Devops side and maintaining applications written in typescript Analyzing and reverse engineering applications made in react and .NET to provide documentation Data analyze an existing Cosmos DB instance to identify back roles and administrators of the learning platform Creation of 2 topics using Azure service bus to fill an existing database with new users. Project TalkTalk is an internet and mobile provider. Goal of the project was to deliver a list of filtered clients to be able to delete them from a temporary database stored on the cloud. Key achievements Added the whole feature covering the delete of the selected users based on 4 criterias stored on a json file Interacted with 3 apis to be able to delete the datas

Software Engineer

Capgemini

Sep 2019 - Jul 2023

3 years 11 months

Diegem · Hybrid

Project Implementation of a REST api gateway between an existing STIB mobile application and the payment entity called worldline Key achievements Receiving and sending the client’s payment informations and send them to worldline using the worldline api Job scheduling to keep an historical track of the payments and delete old payments using hangfire Collecting metadatas from the api and visualize them with Grafana using metrics Write unit and integration tests. Project Development of an office presence tool to know when and who are at the office Key achievements Development of a website build in React. Creation of teams tab app that redirect to the website Project Delhaize wanted a new fidelity system called SuperPlus with a system where you can have promotion on different healthy product based on the nutriscore Key achievements Modification of multiple PL/SQL scripts to take into account nutriscore products Adding features to internal web services Migration of multiple applications to Azure, enhancing security, cache management, secret key management and clean code. Exposed a rest api to deploy the promotions on the 800 Delhaize stores Project Creation of website components using Adobe CRM platform Key achievements Creation and design of reusable software components for website integration Created new unit tests cases including integration tests, acceptance tests and unit tests Project Implementation of GDPR amongst 600K clients from the bank Key achievements Written unit tests and collecting data from mainframe screen using LeanFT Created new unit tests cases including integration tests, acceptance tests and unit tests Maintained detailed documentation on testing methodologies, making it easier for other team members to follow established guidelines. Enhanced test coverage with the development of comprehensive test plans and cases. Reduced manual testing efforts for faster product delivery by incorporating test automation frameworks.

Software Engineer

Barco

Jan 2018 - Jul 2018

7 months

Liège, Belgium

Barco is a Belgian technology company that specializes in digital projection and imaging technology. The goal of the project was to create a master slaves architecture for testing multiple settings on their cinema projectors. Key achievements : Developed scalable and maintainable code, ensuring long-term stability of the software. Integrated new technologies into existing systems, increasing capabilities and improving overall performance. Implementing a master slave architecture built in .NET Created new unit tests cases including integration tests, acceptance tests and unit tests


Education

RareSkills

2025 - 2025

2 months

Alyra, l'école blockchain & IA

Associate's degree

2025 - 2025

5 months

HEPL - Haute Ecole de la Province de Liège

Bachelor's degree

2014 - 2019

4 years 5 months

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