Saidi Souhaieb

About

Backend Engineer with over three years of experience designing and deploying scalable APIs and SaaS platforms. Expert in Python, Django REST Framework, FastAPI, multi-tenant architectures, real-time services, and AI integrations, including RAG and LLM-based features. Experienced building multi-step workflows, AI-assisted features, and production-ready microservices focused on performance, maintainability, and automation.

Experience

• Backend Engineer · SoftyLines2023 – 10-01-2025

  • Designed and deployed scalable backend systems for SaaS and client platforms using Django, DRF, and FastAPI. • Built multi-tenant architectures with isolated databases and global reporting for multi-fund platforms. • Integrated AI features including document summarization, founder assessment, and chatbots using RAG and LLMs. • Developed real-time features: chat, notifications, and Jetsi-based video meetings. • Implemented asynchronous workflows with Celery and Redis to optimize task processing. • Deployed Dockerized services with CI/CD pipelines and environment-based configurations.

• Freelance / AI Engineer (Independent) · Independent (Remote)2023

  • Developed multi-agent RAG assistants and workflow chatbots for PDF and knowledge-base ingestion. • Built CV parsing and vectorized job-matching engines with OCR and SpaCy, achieving 92% entity extraction accuracy. • Created CLIP-based image search pipelines for semantic product retrieval. • Delivered AI and backend workshops to junior developers on LLMs, RAG, and computer vision. • Integrated subscription, wallet, and multi-flow payment systems for SaaS applications.

• Backend Engineer · Dar Masarat10-01-2025

  • Architected and shipped multi-tenant SaaS backends with isolated databases, role-based access, and global reporting layers. • Built async task pipelines using Celery and Redis, reducing processing latency by around 40%. • Integrated AI features including document summarization, founder evaluation workflows, and RAG-based chatbots. • Developed real-time collaboration features including live chat, notifications, and video meetings. • Designed modular backend systems covering auth, RBAC, subscriptions, and payment workflows. • Deployed and maintained Dockerized services with CI/CD pipelines across multiple production environments.

Education

• Horizon School of Digital Technologies — Digital Engineering Program (Tunisia)

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