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I'm a Senior Java Software Engineer with 5+ years of experience delivering mission-critical enterprise applications in regulated industries such as healthcare, e-health, and archiving. I bring strong skills in Java EE / Spring Boot, REST microservices, Docker & Kubernetes, relational databases, and full CI/CD lifecycle management. I work well autonomously or in cross-functional Agile teams and am passionate about improving real-world workflows through robust software.…I'm a Senior Java Software Engineer with 5+ years of experience delivering mission-critical enterprise applications in regulated industries such as healthcare, e-health, and archiving. I bring strong skills in Java EE / Spring Boot, REST microservices, Docker & Kubernetes, relational databases, and full CI/CD lifecycle management. I work well autonomously or in cross-functional Agile teams and am passionate about improving real-world workflows through robust software.

BILLEL HAFSAOUI

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm a Senior Java Software Engineer with 5+ years of experience delivering mission-critical enterprise applications in regulated industries such as healthcare, e-health, and archiving. I bring strong skills in Java EE / Spring Boot, REST microservices, Docker & Kubernetes, relational databases, and full CI/CD lifecycle management. I work well autonomously or in cross-functional Agile teams and am passionate about improving real-world workflows through robust software.…I'm a Senior Java Software Engineer with 5+ years of experience delivering mission-critical enterprise applications in regulated industries such as healthcare, e-health, and archiving. I bring strong skills in Java EE / Spring Boot, REST microservices, Docker & Kubernetes, relational databases, and full CI/CD lifecycle management. I work well autonomously or in cross-functional Agile teams and am passionate about improving real-world workflows through robust software.

Available to hire

I’m a Senior Java Software Engineer with 5+ years of experience delivering mission-critical enterprise applications in regulated industries such as healthcare, e-health, and archiving.

I bring strong skills in Java EE / Spring Boot, REST microservices, Docker & Kubernetes, relational databases, and full CI/CD lifecycle management. I work well autonomously or in cross-functional Agile teams and am passionate about improving real-world workflows through robust software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

French

Fluent

English

Fluent

Arabic

Fluent

Work Experience

R&D Software Engineer – Java JEE / JSF at Spark Archives

April 1, 2023 - March 31, 2026

Developed and maintained a high-criticality document archiving platform processing large data volumes. Built RESTful and SOAP web services using Java EE, Spring, Elasticsearch, and RabbitMQ; designed and optimized data access layers with PostgreSQL, Oracle, and PL/SQL. Led release management, QA deliveries, and technical documentation; provided Tier-3 support and contributed internal tooling.

Software Engineer – Java JEE / GWT / Angular at MIPIH

November 1, 2021 - April 1, 2023

Built features for an HR management ERP in the healthcare sector (hospital staffing and scheduling). Containerized services with Docker and orchestrated deployments with Kubernetes. Designed database models (PL/SQL / PostgreSQL) and ORM layers with Hibernate. Developed a BPM engine for document validation and e-signatures. Exposed SOAP and REST endpoints; front-end work in GWT and Angular. Coordinated patch releases and produced technical specifications; performed cross-team code reviews and supported clients.

Software Engineer – Java JEE / C (R&D) at Birdz

April 1, 2020 - December 1, 2020

Developed real-time data collection software in C and Java RTSJ for IoT data ingestion. Designed test architecture and validated performance; conducted code reviews and contributed to release management.

Software Engineer – Java JEE TESTING at INPI (Administrative Platform)

May 1, 2021 - November 1, 2021

Developed persistent entities, data access layers (Hibernate / PostgreSQL), and REST services for a national administrative platform. Performed performance and load testing; participated in Scrum ceremonies and produced technical documentation.