Freelancer profile translated to English.
Back to original languageAbout Zahreddine
(EN)
Experienced Software Engineer with a background in software architecture, I offer my expertise for your web development, backend, and automation projects.
I support startups, SMEs, and large enterprises on missions ranging from robust architecture design (Java/Spring Boot, Node.js, Python) to building custom modules, optimizing reporting processes, automating report generation, and setting up monitoring and automated testing solutions.
I have led and delivered projects for over 900 clients across 50 countries, always with precision, responsiveness, and a focus on knowledge sharing.
Curious, versatile, and proactive, I adapt to every context to ensure the success of your projects.
Contact me for development, audit, or technical consulting assignments!
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(FR)
Software engineer passionate, graduated in software architecture and specialized in the development of Web and Backend applications with more than 5 years of experience.
I support SMEs, startups and large groups in the design and redesign of tailor-made systems: automated reporting, development of reusable modules in Java/Spring Boot, creation of custom interfaces, automation of tasks and performance monitoring.
I had the opportunity to work on international projects (more than 900 clients in 50 countries), both in Agile teams and independently.
My strengths: adaptability, rigor, teaching, communication and focus on customer satisfaction.
Do not hesitate to contact me for any development, audit or technical consulting mission.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- The Key S.A.Software EngineerFebruary 2023 - May 2025 (2 years and 3 months)Geneva, Switzerland
- Leading and redesigning the reporting part (+ adding integration tests) with Spring and JUnit, allowing for overall improvement in report generation.
- Creation of customized financial reports with JasperReport, used by over 60 clients worldwide (banks, high net worth clients).
- Implementation of an automatic report scheduling system via Spring Batch, reducing manual processing time by 40%.
- Integration of performance tests with Gatling and implementation of metrics via Prometheus and Grafana to monitor load during peak usage.
- Design and development of reusable modules in Java 17 with Spring Boot (Web, Data, Security), facilitating the integration of new report types.
- Sopra HR SoftwareSoftware EngineerOctober 2019 - October 2022 (3 years)La Défense, France
- Development of important features in Java/JavaScript with an agile team of 20 people to provide new services to over 900 clients in more than 50 countries in the field of payroll and talent management services.
- Client maintenance with IBM Lotus Notes to track and manage client requests, and handle them quickly.
- Quatorze IGFront End DeveloperJuly 2018 - December 2018 (5 months)Paris, France
- Creation of a DPGF (quote) comparison interface in JavaScript with D3.js and jQuery, implemented for the engineers of the Quatorze IG design office, allowing them to optimize their comparison from ~3 days to only a few minutes.
- Development of a personal space, with all the latest quote comparisons, based on several parameters (price, quantity...), with a Drag & Drop space for DPGF files as well as storage of comparisons in Excel file format.
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Education
- Master in Software Architect, Application DeveloperETNA2022Master en Architecte logiciel, développeur d’application Bachelor en Responsable de projet Web et Mobile
- Associate's Degree{EPITECH.}2019Pédagogie par projets sur plus de 50 projets, comprenant notamment du C, C++, Python