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Emna Othmen

@emnaothmen

Full-Stack & AI Engineer at Neoxion Technologies who built a SIEM/XDR platform with real-time threat detection across 1,500+ Sigma rules.

Tunisia

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At Neoxion Technologies, I built a React and NestJS application for host and agent management, real-time alerts, dashboards, and automated PDF reporting. I also architected a modular SIEM/XDR platform secured with internal PKI and mutual TLS.

I configured Kafka Connect to stream security events into OpenSearch and implemented 17 anomaly detectors mapped to MITRE ATT&CK techniques. I also developed a self-healing Go agent for automated or manual deployment.

As a freelance Full-Stack Engineer on Upwork, I delivered production web applications and built secure backend APIs with authentication and third-party integrations. At Proged Solutions, I built a React and .NET Core application with AI-powered CV extraction and employee-project matching.

Experience

Work history, roles, and key accomplishments

Full-Stack and Cybersecurity Engineer Intern

Neoxion Technologies

Nov 2025 - May 2026 (6 months)

Built a React/Ant Design frontend and NestJS + PostgreSQL backend for host and agent management, real-time alert tracking, dashboarding, and automated PDF reporting. Architected a modular SIEM/XDR platform using microservices orchestrated with Docker Compose, secured with an internal PKI (RSA 4096) and mutual TLS.

Python NestJS React Sigma OpenSearch Kafka Docker PostgreSQL Ant Design Docker Compose PKI mTLS Kafka Connect API AWS ECS MITRE ATT&CK Random Cut Forest Go Sysmon Winlogbeat WinRM

Freelance Full-Stack Engineer

Upwork

Jan 2025 - Dec 2025 (11 months)

Delivered scalable full-stack web applications for production clients using React.js, Next.js, and TypeScript. Designed reusable frontend architectures with responsive, accessible UI components, improving page load performance and maintainability.

React Next.js TypeScript Tailwind REST APIs Authentication Session Management Third Party Integrations

Full-Stack and AI Engineer Intern

Proged Solutions

Feb 2024 - May 2024 (3 months)

Built a full-stack web application using React.js and .NET Core with Azure Cosmos DB for scalable, low-latency data storage. Implemented AI-powered features, including automated CV data extraction via Azure AI Document Intelligence and a skills-based employee-project matching system.

React .NET Core Azure Cosmos DB Azure Azure AI Document Intelligence Azure Active Directory Microsoft Graph API

Full-Stack Engineer Intern

King Digital YC

Jul 2023 - Aug 2023 (1 month)

Developed a medical management web application using Laravel (MVC) and MySQL to manage patient records and appointments. Implemented authentication, role-based access control, and secure data handling for patients and medical staff.