Julien Janvier
Senior Software Engineer at Akeneo
Nantes, Pays de la Loire, France
Summary
🤩
Rockstar🎓
Top SchoolJulien Janvier is a Senior Software Engineer with 13 years of experience building and modernizing SaaS platforms from API cores to export engines, currently based in Nantes. He has a strong track record at Akeneo—helping transform its on-prem PIM into a SaaS, industrialize CI/CD, and lead product integrations that cut onboarding from weeks to minutes by enabling customer-created Excel connectors. Julien combines hands-on backend craftsmanship (notably contributions to prominent open-source projects like Akeneo and Sylius) with technical leadership roles including staff engineer, tech coach and tech lead. He has driven cloud-native and database migrations, reduced release friction to near-zero, and introduced architecture and testing practices (TDD, Event Storming, Hexagonal Architecture) across teams. Comfortable in high-throughput domains (fraud scoring, banking, e-commerce), he pairs pragmatic refactoring with measurable business impact. An engineer who once helped scale releases from quarterly to multiple automated weekly deploys, he uniquely blends deep legacy-modernization experience with developer coaching.
13 years of coding experience
15 years of employment as a software developer
DUT Informatique, DUT Informatique at Institut Universitaire de Technologie d'OrléansDiplôme d'Ingénieur en Informatique, Diplôme d'Ingénieur en Informatique at Polytech ToursLe Cercle TechMaster 2 Administration des Entreprises, Master 2 Administration des Entreprises, Master 2 Administration des Entreprises, Master 2 Administration des Entreprises at IAE Tours Val de Loire
French, English
Stackoverflow
96reputation
4kreached
4answers
0questions
Github Skills (35)
database-migrations10
appbundle10
back-end-development10
package-management10
symfony-bundle10
ecommerce10
amazon-elasticsearch10
doctrine10
akeneo10
bundle10
phpunit10
elasticsearchquery10
php10
api10
aws-elasticsearch10
Programming languages (16)
Github contributions (5)
akeneo/pim-community-standard
Aug 2014 - Jul 2019
[Community Standard Edition] The open source Product Information Management (PIM) - please raise issues in https://github.com/akeneo/pim-community-dev/issues
Role in this project:
Backend Developer
Backend DeveloperContributions:132 commits, 60 PRs, 73 pushes in 5 years
Contributions summary:Julien primarily focused on modifying the Akeneo PIM (Product Information Management) system's core functionalities. Their work involved refactoring code related to the application kernel, enabling and disabling bundles, and adjusting dependencies. The contributions included removing legacy components, migrating migration scripts and moving to standard edition. These changes suggest a focus on streamlining the application and adapting to evolving requirements.
akeneopimsymfonyphpakeneo-pim
akeneo/pim-community-dev
May 2014 - Jul 2020
[Community Development Repository] The open source Product Information Management (PIM)
Role in this project:Back-end Developer
Back-end DeveloperContributions:2617 commits, 1117 PRs, 2292 pushes in 6 years 3 months
Contributions summary:Julien contributed to Akeneo PIM's community development repository, focusing on handling products and product models with identical identifiers within cursors, addressing an issue with mass actions on products and product models, and improving the datagrid functionality. They were responsible for fixing label retrieval in product models, introducing a cursor factory, and updating various dependencies. These contributions involved making form and code changes.
ziggyinformation-managementjavascriptphpbackbonejs
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