Jean-baptiste Barth
Software Engineer at Alan
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJean-Baptiste Barth is a seasoned software engineer and engineering leader with 17 years’ experience building and scaling backend systems, platforms, and internal tools from Paris. He’s known for making teams more effective and deliberately “replaceable” by codifying knowledge, improving processes, and mentoring engineers across roles. His career spans hands-on operational leadership—from datacenter technical lead roles in the public sector to VP/head positions in startup-scale companies—and currently contributes at Alan. An active open-source contributor, he’s fixed and refactored core functionality in well-known Ruby projects like Redmine and Lobsters and implemented comprehensive AWS SWF mocking in Moto, reflecting deep backend and testing expertise. Pragmatic about ops and platform challenges, he combines technical craftsmanship with a focus on operational reliability and scalable developer experience.
17 years of coding experience
8 years of employment as a software developer
Diplôme d'ingénieur, Informatique, Diplôme d'ingénieur, Informatique at ENTPEDiplôme d'ingénieur, Informatique, Diplôme d'ingénieur, Informatique at Ecole nationale des Travaux publics de l'Etat
English, French
Stackoverflow
712reputation
1.1mreached
10answers
0questions
Github Skills (32)
git10
ruby-rails10
boto10
python10
testing10
nagios10
rails10
java10
ruby10
javas10
aws10
mocking10
activerecord10
logging10
jruby10
Programming languages (14)
Github contributions (5)
redmine/redmine
Jan 2015 - Mar 2022
Mirror of redmine code source - Official Subversion repository is at https://svn.redmine.org/redmine - contact: @vividtone or maeda (at) farend (dot) jp
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 PRs, 5158 pushes, 10 branches in 7 years 3 months
Contributions summary:Jean-baptiste primarily contributed to fixing and refactoring the Redmine application's core logic. Their commits focused on improving the filtering capabilities within the cross-project issues view, ensuring proper user project visibility. They also added helper functions for project linking and addressed issues related to commit range calculations. The user's work suggests a strong focus on maintaining and improving the application's core features and functionality.
svnsubversiondotredmine
getmoto/moto
Sep 2015 - Nov 2015
A library that allows you to easily mock out tests based on AWS infrastructure.
Role in this project:Back-end Developer
Back-end DeveloperContributions:89 commits, 1 PR, 16 comments in 1 month
Contributions summary:Jean-baptiste primarily contributed to the development of Amazon SWF (Simple Workflow Service) mocking functionality within the Moto library. Their work involved implementing and testing new SWF endpoints, including RegisterDomain, DeprecateDomain, ListDomains, DescribeDomain, RegisterActivityType, DeprecateActivityType, ListActivityType, DescribeActivityType, RegisterWorkflowType, DeprecateWorkflowType, ListWorkflowTypes, DescribeWorkflowType, StartWorkflowExecution, RespondDecisionTaskCompleted, CountPendingDecisionTasks, GetWorkflowExecutionHistory and TerminateWorkflowExecution, which required changes to the responses, models, and tests related to the SWF service's behavior. The contributions were focused on providing comprehensive mock implementations for the SWF API, essential for testing AWS infrastructure-related code.
ec2bototestinginfrastructureaws-infrastructure
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.