Ousmane Coulbaly

Java Technical Expert • Solution Architect • MBA Digital Transformation • Intelligence Artificiel

+6 years of experience

Specialized in designing scalable microservices architectures and digital transformation of enterprises. Java/Spring expert with strategic MBA approach to support organizations in their technological evolution and Intelligence Artificiel.

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About Me

Java technical expert with over 6 years of experience, I specialize in designing and developing robust and scalable microservices architectures. Currently pursuing an MBA in Digital Transformation, I combine deep technical expertise with strategic vision to support companies in their digital evolution.

My passion for technological innovation and mastery of Agile methodologies enable me to deliver high-performance solutions that address today's complex business challenges.

Technical Expertise

Java, Spring Boot, Microservices, Distributed Architecture, IA

MBA Education

MBA Digital Transformation in progress (ESLSCA France)

Project Management

Agile/Scrum, Tech Lead, Team Coordination

International

Projects in Morocco, Senegal, United Arab Emirates

Technical Skills

Backend & Architecture

Java 8/11/17 Spring Boot Spring Security Spring Cloud Gateway Microservices Spring Batch Apache Camel Hibernate REST API OpenAPI

Databases

MySQL PostgreSQL MongoDB SQL Server DynamoDB Redis Elasticsearch Solr

DevOps & Cloud

Docker Kubernetes Azure DevOps Azure AKS Jenkins GitLab CI/CD GitHub Actions SonarQube JMeter

Messaging & Frontend

Kafka Kafka Streams Event-Driven Architecture Angular IONIC Android iOS

Design Patterns & Methodologies

DDD TDD Circuit Breaker CQRS Event Sourcing Hexagonal Architecture Agile/Scrum DevOps

Management & Transformation

Tech Lead Digital Transformation Project Management Technical Specifications Solution Architecture Team Coordination Training Mentoring

Education

MBA/PMP Digital Transformation

ESLSCA FRANCE (Rabat Campus)

2024 - 2025

Strategic training in digital transformation, change management, leadership and complex project management.

Master II TDSI

Faculty of Science & Technology UCAD

2015 - 2017

Specialization in Mathematics and Cryptology, solid foundation in computer security and algorithms.

Bachelor's Mathematics Computer Science

Faculty of Science & Technology UCAD

2012 - 2014

Fundamental training in applied mathematics and computer science, Cryptology sector.

Professional Experience

Java Technical Expert

SQLI - Chanel Service Catalog

July 2023 - Present

Development and optimization of a complex microservices architecture for Chanel's service catalog.

Specification and integration of critical new features
Performance issue resolution across 10+ services
Implementation of POCs for performance optimization
Load testing and behavioral monitoring of APIs
Delivery via Azure DevOps & Azure Kubernetes Service (AKS)

Java 8 Spring Boot Spring Cloud Gateway Docker Kubernetes Azure DevOps SQL Server JMeter

Senior Backend Development Engineer

SQLI - Chanel PEPS (Refactoring)

January 2023 - June 2023

Complete refactoring of PEPS application with migration to modern microservices architecture.

Design of scalable and distributed architectures
Implementation of hexagonal architecture
Microservices containerization
Real-time data processing pipelines setup
Comprehensive unit and integration testing

Java 17 Docker Azure Kubernetes MongoDB Kafka Stream CDI OpenAPI

Java Tech Lead / Project Manager

Nativys - Beauty Institutes CRM (UAE)

January 2020 - December 2022

Technical leadership of an international integrated CRM project for beauty institutes in the United Arab Emirates.

Technical leadership of a development team
Event-Driven & DDD architecture design
Complete project lifecycle management
Coordination with international teams
Implementation of DevOps best practices

Java 8 Microservices Event-Driven DDD Docker Kubernetes MySQL Kafka

Fullstack Java/Angular Developer

URMA - Criminal Search System

February 2019 - July 2019

Development of an intelligent criminal search system with biometric data management.

Design of performant and resilient microservices
Web and Mobile interface development
Integration of specialized biometric SDKs
Optimization for field use by security forces

Java 8 Angular 4 Android MongoDB Kafka Biometric SDK

Fullstack Java/Angular Developer

TBC - Mobile Banking (Phase II)

May 2018 - January 2019

Development of phase II of a Mobile Banking application with microservices architecture.

Microservices architecture with DDD
Cross-platform development (Android, iOS)
Financial transaction security
Integration with existing banking systems

Java 8 IONIC Android iOS Docker MySQL Kafka