
Harrathi Souhail
Python Backend Engineer | FastAPI · AppSec · AI
3 recommendations
Salary / Daily rate
3 people recommend
Brussels, Belgium
Mobility: Paris, Lille, ...
Freelance
Can come onsite
Skills
Languages
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About me
Intro
Backend & Full-Stack Engineer with a security-by-design background. 4+ years of experience building production Python systems (FastAPI, Django, Flask) and AI-integrated platforms. Hands-on with LLM integration (Claude, Mistral), Celery, Redpanda, Redis, distributed systems, and microservices, and comfortable on the frontend with React, Next.js, TypeScript, and Vue.js. Solid DevOps and observability background (Datadog APM, App & API Protection, CI/CD, Docker).
Work experience
Cybersecurity Trainer & Security Auditor
HSBO ConsultingFreelance
Jul 2026 - Aug 2026
2 months
Remote
• Designed and delivered a cybersecurity training program for the client's team: AppSec & OWASP, secure API design, CI/CD DevSecOps, and AI & governance. • Conducted a full security and GDPR compliance audit of the client's web platform, delivering prioritized remediation recommendations.
Backend Engineer
iMapperFreelance
Jan 2026 - Jun 2026
6 months
Remote
• Full Stack developer on a 3D-scanning SaaS platform for kitchen fitters, architects, and interior designers, working in a small distributed engineering team • Designed and implemented RESTful APIs and optimized existing ones (query profiling, N+1 fixes, versioned caching), reducing latency on critical endpoints. • Raised engineering standards on the Python codebase: introduced unit tests, applied best practices, and the Zen of Python. • Proposed a DevOps plan and contributed to its rollout (zero-downtime blue/green deployments for high availability, CI SAST/DAST security scans). • Enhanced the platform's Datadog observability end-to-end, dashboards, monitors, log parsing, and automated Slack alerting used daily to catch regressions, and diagnosed and resolved production incidents. • Bridged the mobile and web platform teams, designing API contracts to unblock the new mobile app, and contributed to the React/TypeScript frontend to help ship features faster.
AI Model Reviewer
outlier.ai
Mar 2025 - Aug 2025
6 months
Remote
● Conducted prompt-based qualitative reviews of web-focused AI models, assessing model output quality,usability, and correctness for Python, React, Next.js, HTML, JS, and CSS projects. ● Provided actionable feedback to improve AI-powered code solutions targeting real-world development scenarios.
Python Backend Developer (Internship)
ELZEI CONSULTING
Feb 2024 - Aug 2024
7 months
Remote
Responsibilities: - Developed automated, data-driven solutions for agricultural challenges. - Participated in the software development lifecycle (SDLC), including requirement analysis, design, and development. - Utilized GitLab and Jira to follow Agile Scrum methodologies for efficient project management. - Implemented a clean architecture using FastAPI, SQLAlchemy, Alembic, and PostgreSQL for enhanced scalability. - Managed the development and deployment of solutions using Docker containers across multiple environments.
Python Backend Developer (Freelance)
SpotimistFreelance
Jan 2022 - Jan 2023
1 year 1 month
Remote, OR 97458, USA
Responsibilities: - Migrated an existing Django application to a REST API using Django Rest Framework. - Analyzed Django models, designed scalable REST API architecture, and transitioned models into API endpoints. - Implemented robust authentication and authorization mechanisms to enhance security. - Used GitLab for version control, managing code pushes and pulls for team collaboration.
Web Application Developer
Elajmi Trade Company & Tarek Elajmi Jewelry StoresFreelance
Jan 2021 - Jan 2022
1 year 1 month
Tunisia
Responsibilities: - Designed and developed a custom web application using Django for the backend. - Built responsive, user-friendly interfaces with HTML, CSS, and jQuery. - Created key pages for services, contact, home, and product listings. - Integrated a database for efficient product data management (details, images, descriptions). - Deployed the application on PythonAnywhere and configured the client’s domain for reliable access.
Education
Thomas More University of Applied Sciences
Bachelor's degree
2022 - 2025
3 years
Licenses & certifications
Certified in Cybersecurity (CC)
Issued: Aug 2026
Claude Code in Action
Issued: Jul 2026
Introduction to Model Context Protocol
Issued: Jun 2026
Application Security Engineer Learning Path
Issued: Apr 2026
Backend Engineer Learning Path
Issued: Apr 2026
Configuration Learning Path
Issued: Apr 2026
OWASP SAMM Fundamentals
Issued: Mar 2025
Introduction to IoT
Issued: Mar 2024