Freelancer profile translated to English.

Description

Specialist in distributed and scalable architectures. I have designed and delivered systems with 100k+ req/sec, managed monolith→microservices migrations, and implemented advanced patterns (CQRS, Event Sourcing, Circuit Breakers).

I don't work in isolation: I support teams, document decisions (ADRs), and leave a strong technical foundation after my departure.

Specialties: Spring Boot 4.x, Sql, Kafka/Redpanda, OpenAPI Contract-First, Kubernetes, CI/CD automation.

Languages

English
Native or bilingual
Arabic
Native or bilingual
French
Fluent

Workplace preferences

Remote only

Primarily works remotely

Maroc telecom
Senior Tech Lead – Maroc Telecom Digital Factory
May 2026 - Today (3 months)
Casablanca, Morocco
Architectural direction and technical governance for the enterprise microservices ecosystem.

Designed and implemented company-wide backend standards (Java 25 / Spring Boot 4.1): OpenAPI contract-first, serialization (Avro, Schema Registry), async event-driven patterns
Defined pagination strategies (cursor vs offset), inter-service lazy-loading, and synchronous/asynchronous communication for 50+ backend teams
Evaluated and validated partner architectural proposals for strategic projects; identified DevSecOps and data sovereignty compliance risks
Mentored 5+ engineers; led technical candidate evaluations
Stack: Java 25, Spring Boot 4.1, Redpanda, REST/OpenAPI, ReactJs, React Native, Kubernetes
React.js Spring boot Solution Architecture Microservices Architecture Microfrontend
Freelance OCPS
Techlead/Devops Java & ReactJs
RAW MATERIALS INDUSTRY
October 2025 - Today (10 months)
Casablanca, Morocco
Creation from scratch of a TQM quality tracking application.
Tools: Java 21, Spring boot, ReactJs, Next.js, RabbitMQ, Airflow, Docker...
Docker React.js Java SQL RabbitMQ
Freelance CNSS
Techlead/Devops Java & ReactJs
PUBLIC SECTOR
December 2024 - September 2025 (9 months)
Casablanca, Morocco
Evolution and maintenance of MACNSS and DAMANCOM applications.
Participate in securing all CNSS platforms.

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State Engineer's Degree in Software Engineering and Systems Integration.
Faculty of Science and Technology Mohammedia (FSTM).
2014
Diplôme d'ingénieur d'état Ingénierie Logicielle et Intégration des Systèmes.
Science and Technology Bachelor's degree
(FSTM).
2011
Licence Science et technique en

Check out El Aroui's education

El Aroui Othmane

Java | Spring Boot | TechLead | Microservices

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