About Mattis
French
Native or bilingual
English
Fluent
Experience
- TeadsFullstack Senior MobileTECHJanuary 2025 - June 2025 (5 months)Montpellier, FranceAs part of the maintenance of a Mobile SDK:- support and resolution in conjunction with client technical teams- maintenance of KPIs and guarantee of ROI via metrics (BigQuery, SumoLogic)- mentoring juniors and skill developmentSome key actions:- migration from legacy Java to Kotlin- implementation of Koin for dependency injection- documentation (from 4% to 60% coverage)- transition from Jenkins to Github ActionsSome data:- +1500 apps using the SDK- ~4.5 PB of data ingested per month- +50 Million daily requests from the SDK
- SmartchLead Backend Kotlin and ArchiDIGITAL AND ITOctober 2022 - December 2023 (1 year and 2 months)Paris, France
- Lead Backend + Architecture
- Complete refactoring of the stack from Spring to Ktor + Koin
- Transition from REST to GraphQL
- Implementation of hexagonal architecture
- Custom implementation of Subscriptions
- Setup of microservices for asynchronous calculation
- Setup and optimization of the CICD pipeline
- ConnaissanceFounderSOFTWARE PUBLISHINGJanuary 2021 - Today (5 years and 5 months)Startup creation:- creation of collaborative tools focused on open knowledge- formalization of IS architecture standards and processes
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Education
- Bachelor of EngineeringYnov Informatique2022Bachelor of Engineering - BE, Ingénierie logicielle