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Hamza Elhajjaji

@hamzaelhajjaji

Agentic AI engineer building a production platform of ~25 orchestrated agents and AI-driven pipelines for published products.

France

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I designed and operate a production multi-agent platform used daily to ship published products, including mobile apps and live websites. Its ~25 specialist agents work through MCP tooling, shared memory and semantic search, with an agent-driven publishing pipeline.

At MonEcho / MonEcho Report, I rebuilt the IHE XDM medical archive ingestion and validation module in Java 21 and Spring Boot. Before that, at La BRED, I developed regulatory reporting and market-abuse systems, including critical Spring Batch jobs, and migrated Java 8 to 17 to 21 without regression.

Experience

Work history, roles, and key accomplishments

Current

Java Backend Developer

Current

MonEcho

Apr 2026 - Present (7 months)

Rebuilt the IHE XDM medical archive ingestion/validation module using Java 21 and Spring Boot, ensuring ANS CI-SIS compliance and secure XML parsing.

Java 21+Spring Boot IHE XDM CI SIS XML REST APIs Memory Optimization

Full Stack Java/Angular Developer

La BRED

Jan 2023 - Mar 2026 (3 years 2 months)

Developed regulatory reporting solutions for MIFID/EMIR/FIRDS and market abuse detection, managing critical Spring Batch jobs and Java migrations.

Java SpringBatch Control M RabbitMQ OAuth Angular 17 Jira

Senior Cloud Developer

Groupe CRIT

Mar 2022 - Nov 2022 (8 months)

Built a full-cloud AWS recruitment platform using DDD, Golang microservices, and React, with infrastructure as code via CDK/CloudFormation.

AWS Go React CDK CloudFormation Lambda DynamoDB Amazon SQS Kendra

Java Full Stack Developer

Crédit Agricole Titres

Apr 2021 - Feb 2022 (10 months)

Worked on securities middle-office systems including position reconciliation, distributed caching with Hazelcast, and archive purging.

Java Angular 7 Hazelcast Jenkins Kubernetes

Java Full Stack Developer

Warner Music France

Aug 2019 - Mar 2021 (1 year 7 months)

Redesigned intranet and developed business applications using Java 8, Spring, and Angular 8, with Tomcat deployments in an Agile/Scrum environment.

Java 8 Spring Framework Angular 8 Tomcat Agile Scrum

AI Dermatology Platform Developer

DFKI

Jan 2018 - Dec 2019 (1 year 11 months)

Developed an AI dermatology platform using Java and Angular.

Java Angular

Fintech Developer

Peacock Financials

Jan 2018 - Dec 2018 (11 months)

Worked on fintech applications.

Freelance BTP ERP Developer

Self Employed

Jan 2016 - Dec 2017 (1 year 11 months)

Built a BTP ERP system from scratch.

Research Lab Developer

LASPI

Jan 2016 - Dec 2016 (11 months)

Developed a JADE multi-agent system for hospital surgery scheduling.

Jade Multi Agent Systems

Education

Degrees, certifications, and relevant coursework

CEGEFOS

Big Data: NoSQL certification, Big Data

2022 - 2022

Certification in Big Data and NoSQL technologies.

CEGEFOS

AWS integration in a Big Data ecosystem, Big Data

2021 - 2021

Certification covering AWS integration in a Big Data ecosystem.

CertiProf

Scrum Foundation Professional Certificate, Scrum

2020 - 2020

Scrum Foundation Professional Certificate (SFPC).

Université Sidi Mohamed Ben Abdellah

Master of Science, Computer Science

2014 - 2016

MSc in Computer Science with a focus on Imaging and Decision-Support Computing.

Availability

Looking for a job

Location

France

Salary expectations

140k+ EUR

Job categories

Agentic AI Engineer Java Developer Spring Developer Full Stack Developer Cloud Developer Technical Lead Scrum Master

Skills

Agentic AI Multi agent orchestration Context Engineering Prompt Engineering Model Context Protocol (MCP)Shared Memory RAG LLM routing Usage Governance DevSecOps AI Coding Assistants Java Spring Boot SpringBatch Spring Security

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Hamza Elhajjaji

Experience

Java Backend Developer

Full Stack Java/Angular Developer

Senior Cloud Developer

Java Full Stack Developer

Java Full Stack Developer

AI Dermatology Platform Developer

Fintech Developer

Freelance BTP ERP Developer

Research Lab Developer

Education

CEGEFOS

CEGEFOS

CertiProf

Université Sidi Mohamed Ben Abdellah

Tech stack

Availability

Location

Authorized to work in

Website

Portfolio

Salary expectations

Job categories

Skills

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