Backend
Java 21, Spring Boot, REST APIs, Spring Data JPA, Hibernate, Maven.
Backend & AI Engineer
Reliable systems, clean APIs, and AI modules that fit real products.
I am Saad Mosaif, a Backend & AI Engineer based in Casablanca. I specialize in Java 21, Spring Boot, PostgreSQL, Keycloak, and LLM/RAG integration, with a focus on secure, maintainable systems that can support serious product workflows.
Location
Casablanca, Morocco
Email
saadmosaif.pro@gmail.com
Phone
+212 607088006
Languages
Arabic, French, English
Core Stack
What I build with.
Data
PostgreSQL, MySQL, SQL, Flyway, Redis, Caffeine Cache.
Security
Keycloak, OAuth2/JWT, Spring Security, roles, and permissions.
AI & Quality
LLM/RAG, embeddings, Ollama, Gemini, Groq, Docker, Prometheus, Testcontainers, k6.
Journey
Recent work and education.
Nov 2025 - Present
Backend & AI Engineer - Koog
Building the backend foundation of a travel booking platform, including booking, payment, hotel, messaging, notification, Keycloak security, Redis caching, observability, and Koogy AI powered by LLM/RAG.
Mar 2025 - Sep 2025
Full-Stack Developer Intern - Marsa Maroc
Designed and optimized a port call management application with modules for ports, terminals, vessels, goods, arrival notices, analytics, chatbot features, and Keycloak authentication.
Jul 2024 - Sep 2024
Web Application Developer Intern - OFPPT
Built a Spring Boot and React web application, managed MySQL data, and collaborated with the technical team on features and interface improvements.
Sep 2025
Computer Engineering MIAGE & Applied AI
Completed master's-level education at EMSI Casablanca and Université Côte d'Azur, combining software engineering and applied artificial intelligence.
Working Style
Autonomous, rigorous, product-focused.
I like backend work where business rules matter: availability, payments, authentication, permissions, data integrity, performance, and AI features that solve a real user problem. My priority is to turn complex needs into simple, durable technical decisions.