Thibaut Barrère

I am currently in a long-term gig for https://transport.data.gouv.fr. My missions include: - Overall maintenance of Elixir codebase at http://github.com/etalab/transport-site - Mapping & simplification of current architecture (including removal of services) - Implementation of Elixir features (proxying, data fetching, dashboards) - Gradual reduction of technical debt (libraries updates, test coverage, future architecture) - Coaching on development (Elixir) + testing/maintenance practices - Tooling (CI / Docker) development and maintenance - Non-tech team support (data investigations, technical questions) - Workshops & OpenLabs with transport data producers and reusers - Work on upcoming data format ("schemas") - Work with transport data formats such as GBFS, GTFS, GTFS-RT, and gradually Netex/SIRI More stuff will stack up here later as I'm just getting started!

As an independent consultant, I help teams and companies with: - Overall Data-Engineering Architectures & "Code for Data" practices (data pipelines, data-heavy apps, datawarehouses, data integrations of all sorts) - Code Quality (long-term codebases maintenance, how to avoid developer churn etc) - Hiring (sourcing & evaluating candidates) - Internal Training & Knowledge Sharing for teams small and large - Polyglot Development & Maintenance of Data Pipelines and Data-Backed apps (with Ruby, Elixir...) - Software Industrialisation practices (with a focus on simplification of architectures, TCO reduction, technical debt reduction) - Strategic Software Advising (Code base audits, external insights for buyouts etc)

Long-term gig with a wide range of missions, including: - Requirements gathering (often in conjunction with data analysis) - Project roadmapping, feasibility, quotes - Architecture & development of data-oriented apps & services (Ruby, JRuby and Elixir) - Code coaching for developers (Ansible, Ruby and Elixir) - Implementation & maintenance of CI environments - Code rescue missions on abandoned codebases - Multi-machines/envs Ansible management (with ServerSpec) - Ansible roles sourcing & writing - SRE work (including developing monitoring probes, implementing checks) - Continuous maintenance work (servers, codebases) with technical debt reduction in mind - Data pipelines & data engineering implementation (Ruby, Elixir) - Datawarehouse implementations - Real-time data synchronisation systems (Ruby) - Data & server migrations - GDPR audit & recommendations

I am providing data engineering expertise & advising as needed: - Implementation & coaching for large production data migration (big rewrite) - Implementation & coaching for datawarehouse projects (business intelligence) - Rework & scaling of large queries with dedicated Kiba ETL components - Coaching of new data engineering team (data screens, code practices)

- Overall technical guidance on process, development and architecture. - Implementation of a Data aggregation engine: includes prototyping on Microsoft ETL (SSIS), training/mentoring of the team, a whole lot of Ruby and Rake scripting, and countless hours of process improvement. - Technical project management and recommendations on product lifecycle. - Team-building, knowledge/know-how spreading (pair programming, "think wiki!", tutorials), training/mentoring on C#/.Net, Ruby or web technologies. - Definition and improvement of development methodology: continuous integration and delivery using CruiseControl.Net, Subversion, operation guidelines for production servers and deployment. - Requirements gathering, partners-facing relationships and other technical consulting activities.

- Setup of a .Net development environment, including continuous integration, automated testing, automated delivery, source control). - Mentoring of teams for all .Net related topics (general training, tests methodology, code generation, mapping OR/M, automation, collaboration / wikis, profiling...). - Front-office multimarkets trading station rewrite in .Net (including wrapping of legacy C++ libraries behind .Net, port of libraries from Solaris to Win32...). - Plumbing, inversion of control container and services architecture system behind the trading station. - Database replication system using CodeSmith and triggers. - Real-time data generation system for the middle office.

Consulting as part of a Microsoft team for P.P.R. / RedCats, including: - Work on a e-commerce ASP.Net framework. - Analysis and validation of functional specifications and back-end data exchanges flows. - Architecture, functional specifications, estimation, planning. - Prototyping of critical technical points: - ASP.Net caching with on-demand invalidation - back-end Cobol / CICS integration - C# Commerce Server pipeline components - Continuous integration and test environment

Work on various projects (development/architecture, customers and partners facing). E-commerce solution for Shell. Front-end and back-office. B2B integration for inventory management and online secure payment (ASP.Net). ASP subscription system (J2EE). Vehicles geolocation solution (Microsoft ASP, embedded Java, J2EE, web services). GPS application driver on PocketPC (Embedded C++, GPS). Cartographic data integration, fleet-management, billing and statistics (server-side, J2EE/.Net)