Emna Belhaj
@emnabelhaj
Full Stack Engineer focused on scalable web apps, DevOps, and AI-driven conversational systems.
TunisiaWhat I'm looking for
I’m a Full Stack Engineer with strong experience in web development, DevOps practices, and cloud-based architecture. I design, develop, test, deploy, and maintain scalable applications, collaborating in agile environments to deliver reliable, production-ready features.
In my recent role, I engineered scalable features for an AI-driven chatbot platform using NestJS, Node.js, React, and MongoDB—integrating LLM-based AI services through OpenAI, Azure AI, and MCP-based architectures. I’ve also implemented real-time streaming with Server-Sent Events (SSE), optimized performance with Redis job queues, modeled relationships in Neo4j, and strengthened quality with Jest unit tests. Previously, I supported an open-source low-code platform and built CI/CD pipelines for microservices using Docker, Jenkins, Kubernetes, Helm, and Azure, while also delivering a modern corporate site and CMS using React, Node.js, Express.js, and MongoDB.
Experience
Work history, roles, and key accomplishments
Full Stack Engineer
Yellowsys
Jun 2024 - Present (2 years)
Engineered scalable features for an AI chatbot platform using NestJS, Node.js, React, and MongoDB, supporting real-time conversational interactions. Integrated LLM-based services (OpenAI, Azure AI, MCP), implemented SSE streaming, and optimized performance with Redis job queues and tested reliability with Jest.
Full Stack & DevOps Engineer
Harington
Feb 2023 - May 2024 (1 year 3 months)
Contributed to the open-source leto-modelizer low-code platform using JavaScript and Vue.js, improving extensibility and developer experience. Built DevOps automation (Jenkins, Docker Compose), developed an ANTLR-based parser-renderer system, and designed CI/CD for microservices with Docker, Kubernetes, Helm, and Azure.
Full Stack & DevOps Developer
Elitech
Jun 2022 - Dec 2022 (6 months)
Developed a modern responsive corporate website in ReactJS and built a content management application with Node.js, Express.js, and MongoDB. Deployed via GitLab CI, Heroku, and OVH Cloud, improving SEO and strengthening the company’s online visibility.
Education
Degrees, certifications, and relevant coursework
Higher Institute of Computer Science (ISI)
National Engineering Degree in Computer Engineering, Computer Engineering
Earned a National Engineering Degree in Computer Engineering from the Higher Institute of Computer Science (ISI).
Tech stack
Software and tools used professionally
Availability
Location
TunisiaAuthorized to work in
Job categories
Skills
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