Houssem Ben Zid-Senior Backend Engineer
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Experience
Senior Backend Developer
Novobit Group
- Designed and developed scalable backend systems using Java, Spring Boot, and AWS services.
- Contributed to HWP (Human Work Planning), a modern, cloud-based planning and optimization system for assembly and manufacturing processes across the Volkswagen Group. The platform provides a standardized digital solution for planning, optimizing, and supporting the simulation of human work and production process flows.
- Helped modernize legacy applications by migrating them to modular, distributed architectures, improving scalability and maintainability.
- Collaborated with cross-functional teams across Germany, the Czech Republic, and Tunisia in a SAFe Agile environment.
- Utilized Bitbucket for version control, Bamboo for CI/CD pipelines, and JIRA for project and issue tracking.
- Integrated AWS services including EKS for container orchestration, Batch for job scheduling, and CloudWatch for monitoring.
Tech Stack: Java, Spring Boot, AWS (EKS, Batch, CloudWatch), React, SQL, Bitbucket, Bamboo, JIRA
Software Engineer
Novobit Group
- Developed robust RESTful APIs for an internal toolchain managing software updates across VW and Porsche vehicles.
- Enabled drag-and-drop UI features using Angular frontend to streamline update order configurations.
- Automated CI/CD pipelines using Bamboo CI across Dev, Test, QA, and Production environments.
Tech Stack: Java, Spring Boot, Angular, Bamboo CI, DevStack
Senior Java / JEE Developer
Sofrecom (Orange Group)
Upgraded PROMISE, the provisioning platform supporting Orange mobile, internet, TV, and convergent services, to align with modern infrastructure requirements.
- Replaced the JOnAS application server with Tomcat and integrated Atomikos to manage distributed transactions across multiple data sources.
- Led the transformation of PROMISE into a microservices architecture (PROMISE-MS) using Spring Boot, Spring Cloud, Zuul, and Swagger by using Domain-Driven Design (DDD) and microservices architecture to deliver scalable, maintainable enterprise applications.
- Contributed to the backend development of IDPC, a biometric identity management system, leveraging Spring Boot and MongoDB to deliver a robust and scalable solution.
- Performed functional analysis, technical design, testing, and documentation while collaborating with cross-functional teams.
Key Projects: PROMISE (Legacy provisioning/identity platform modernization), PROMISE-MS (Microservices migration), IDPC (Biometric identity platform)
Software Developer
Acceate
- Developed VBanking, an online banking solution with security features including XSS prevention, Spring Security, and encrypted URLs.
- Implemented various modules (Gateway, BO, Web, SMS), Internationalization (i18n), and Ant/Gradle tasks.
- Built JMS web services using SOAP.
Key Projects: VBanking (Groovy, Grails 3.1.10, WildFly 10, MySQL), Etisalat (Oracle WebCenter Sites 12c, ATG with GSPX, REST, IBM Digital Analytics API)
Java Developer
Center for Applied Software Engineering
- Developed EL PLAN, a resource management system for the Italian Army using JSPX technology.
- Reduced server workload by refactoring view generators (JSPX files) and JavaScript.
- Implemented functionality for storing data from existing systems.
Industry Experience
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Experienced in Automotive, Telecommunication, Manufacturing, Banking and Finance, Aerospace and Defense, and Government and Administration.
Business Area Experience
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Experienced in Information Technology, Operations, Production, and Product Development.
Summary
Senior Backend Engineer with 10+ years of experience designing scalable, cloud-native applications using modular architectures and microservices. Holds good knowledge of AWS, Kubernetes, and distributed systems with a strong focus on optimizing backend performance. Proven track record of migrating legacy Java applications to modern Spring-based architectures, significantly improving maintainability and scalability. Experienced in Agile collaboration within cross-functional teams across automotive, telecom, and fintech industries.
Skills
- Languages & Core: Java 6–17, Sql, Groovy, Grails, Python, Go, Kotlin
- Frameworks: Spring Boot, Spring Cloud, Spring Security, Hibernate
- Cloud & Devops: Aws, Docker, Kubernetes, Openshift, Jenkins, Bamboo, Git, Maven, Gradle, Sonarqube
- Databases & Messaging: Mongodb, Oracle, Mysql, Postgresql, Elasticsearch, Apache Kafka, Rabbitmq, Jms
- Web & Api Technologies: Oracle Webcenter, Apache Axis, Zuul, Swagger/Openapi, Grafana & Kibana
Languages
Education
Higher Institute of Computer Science (ISI)
Engineering Degree · Industrial Computing · Tunis, Tunisia
Higher Institute of Computer Science (ISI)
Bachelor · Industrial Computer Science · Tunis, Tunisia
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