Romain Janvier
Expert Php Symfony at Freelance
Nancy, Grand Est, France
Summary
🤩
Rockstar🎓
Top SchoolRomain Janvier is an expert PHP/Symfony developer with 13 years of experience delivering high-performance web platforms, microservices and API-first architectures for both large media sites and product teams. Based in Nancy, France, he combines lead-developer responsibilities with hands-on coding, upgrading legacy applications, introducing robust CI/test suites (Codeception, PHPStan, Docker) and coaching teams on agile and quality practices. His background includes building resilient CQRS/event-sourcing systems at Klaxoon and leading major refactors and migrations for high-traffic editorial sites, demonstrating strong operational and performance-focused instincts. Outside PHP, he contributes to notable open-source 3D/photogrammetry projects (openMVG, MicMac, CloudCompare), showing a practical interest in computer vision and cross-platform engineering. Currently freelancing through mid-2026, he blends architecture-level thinking with pragmatic delivery and an eye for tooling that prevents regressions.
13 years of coding experience
10 years of employment as a software developer
DUT, Informatique, DUT, Informatique at IUT de VannesNational Conservatory of Arts and Crafts
Github Skills (21)
algorithm10
algorithms10
c-language10
geometry10
cmake10
cgal10
photogrammetry10
computer-vision10
structure-from-motion10
cprogramming-language10
point-cloud10
3d-reconstruction10
scripting9
image-processing9
multiplatform9
Programming languages (7)
Github contributions (5)
openMVG/openMVG
Feb 2013 - Aug 2022
open Multiple View Geometry library. Basis for 3D computer vision and Structure from Motion.
Role in this project:
Back-end Developer & Algorithm Engineer
Back-end Developer & Algorithm EngineerContributions:2 reviews, 96 commits, 43 PRs in 9 years 7 months
Contributions summary:Romain primarily contributed to the implementation and enhancement of features within the openMVG library, focusing on 3D computer vision and structure-from-motion algorithms. Their work included building with specific compilers and modifying existing code in files related to image processing, and geometric calculations. Moreover, the user appears to have also been focused on the creation and modification of tools related to the MVS texturing process to convert SFM data.
structure-from-motionopenmvgphotogrammetry3d-computer-visionvision
CloudCompare/CloudCompare
Mar 2013 - Jun 2020
CloudCompare main repository
Role in this project:Back-end Developer
Back-end DeveloperContributions:37 reviews, 187 commits, 122 PRs in 7 years 4 months
Contributions summary:Romain primarily contributed to the `cloudcompare/cloudcompare` repository by implementing platform-specific code optimizations and integrating external libraries to enhance the core functionality. They added nanosleep for cross-platform waiting in the PoissonRecon process and integrated CGAL Delaunay triangulation, leveraging its capabilities within the project. Further contributions include incorporating the qGMMReg compilation and adjusting build paths for different operating systems.
computer-graphicscloudsurface3d-printingply
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