Skip to main content
Top expert badge
Recommended expert
Profile header background

Houssem Ben Zid-Senior Backend Engineer

Houssem Ben Zid - Senior Backend Engineer - profile avatar
Profile header overlay
Braunschweig, Germany

Check rate

Experience

Jan 2023 - Sep 2025
Braunschweig, Germany

Senior Backend Developer

Novobit Group

Position Summary
Senior Backend Developer at Novobit Group
Industries
Automotive
Manufacturing
Business Areas
Information Technology
Operations
Production
  • 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

Feb 2020 - Dec 2022
Braunschweig, Germany

Software Engineer

Novobit Group

Position Summary
Software Engineer at Novobit Group
Industries
Automotive
Business Areas
Information Technology
  • 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

Nov 2017 - Jan 2020
Tunis, Tunisia

Senior Java / JEE Developer

Sofrecom (Orange Group)

Position Summary
Senior Java / JEE Developer at Sofrecom (Orange Group)
Industries
Telecommunication
Business Areas
Information Technology

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)

May 2016 - Nov 2017
Tunis, Tunisia

Software Developer

Acceate

Position Summary
Software Developer at Acceate
Industries
Banking and Finance
Telecommunication
Business Areas
Information Technology
Product Development
  • 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)

May 2013 - Dec 2014
Bolzano, Italy

Java Developer

Center for Applied Software Engineering

Position Summary
Java Developer at Center for Applied Software Engineering
Industries
Aerospace and Defense
Government and Administration
Business Areas
Information Technology
Operations
  • 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

See where this freelancer has spent most of their professional time.

Experienced in Automotive, Telecommunication, Manufacturing, Banking and Finance, Aerospace and Defense, and Government and Administration.

Automotive
Telecommunication
Manufacturing
Banking and Finance
Aerospace and Defense
Government and Administration
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Production, and Product Development.

Information Technology
Operations
Production
Product Development
Profile match chart

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

Arabic
Native
English
Advanced
German
Intermediate
French
Intermediate

Education

Oct 2010 - Jan 2013

Higher Institute of Computer Science (ISI)

Engineering Degree · Industrial Computing · Tunis, Tunisia

Oct 2007 - Jan 2010

Higher Institute of Computer Science (ISI)

Bachelor · Industrial Computer Science · Tunis, Tunisia

Statistics

Experience

Total positions 5
Experience in Automotive 5.5 y
Avg length 2 y 2 m
Longest experience 2 y 10 m

Global Experience

Countries worked in 3 (Germany, Tunisia, Italy)
Primary country Germany

Expertise

Recent roles Senior Backend Developer, Software Engineer, Senior Java / JEE Developer
Main industries Automotive, Telecommunication, Manufacturing
Main business areas Information Technology, Operations, Production

Qualifications

Highest degree Bachelor

Profile

Created

Frequently asked questions

Have questions? Find more information here.

Houssem is based in Braunschweig, Germany.
Houssem speaks the following languages: Arabic (Native), English (Advanced), German (Intermediate), French (Intermediate).
Houssem has at least 11 years of experience. During this time, Houssem has worked in at least 5 different roles and for 4 different companies. The average length of individual experience is 2 years and 2 months. Note that Houssem may not have shared all experience and actually has more experience.
Based on recent experience, Houssem would be well-suited for roles such as: Senior Backend Developer, Software Engineer, Senior Java / JEE Developer.
Houssem's most recent position is Senior Backend Developer at Novobit Group.
In recent years, Houssem has worked for Novobit Group.
Houssem is most experienced in industries like Automotive, Telecommunication, and Manufacturing. Houssem also has some experience in Aerospace and Defense, Government and Administration, and Banking and Finance.
Houssem is most experienced in business areas like Information Technology, Operations, and Production. Houssem also has some experience in Product Development.
Houssem has recently worked in industries like Automotive and Manufacturing.
Houssem has recently worked in business areas like Information Technology, Operations, and Production.
Houssem holds a Bachelor in Industrial Computer Science from Higher Institute of Computer Science (ISI).
Houssem is immediately available part-time for suitable projects.
Houssem's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Houssem, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Market avg: 696-856 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.