Quentin Valmori

Senior CTO | React & Front-End Architecture

Salaire / Taux journalier

Nice, France

Freelance

Expertises

ReactReact NativeNodeProduct ManagementGolangPythonAngularJavaMongoDBPHPDéveloppement BackendDéveloppement FrontendDéveloppement FullstackDéveloppement MobileAWSScalaBase de données SQL

Langues

Anglais

À propos

Liens

Expérience de travail

Cozy Cloud

sept. 2018 - mai 2024

5 ans 9 mois

Full remote

CTO

mars 2021 - mai 2024

3 ans 3 mois

Full remote

As the CTO at Cozy, I worked on a variety of projects and tackled numerous technical, human, and organizational challenges. Development: - Primarily focused on front-end development with React / React Native, with some experience in Angular, Objective-C, and Java, and extensive client-side data manipulation (created a React Query-like tool for the Cozy stack). - Back-end development with NodeJS, along with contributions in Go and Python. - Primarily used CouchDB for databases. - Promoted best practices: testing (unit, functional, end-to-end), "boy scout rule", code reviews, and performance optimization. Management: - Recruitment and onboarding of developers. - Developing action plans to enhance the skills of individuals and teams. - Coaching and mentoring team members. - Creating a calm work environment that encourages initiative and experimentation. Product: - Brainstorming sessions with PO / PM to identify functional solutions to their needs. - Challenging UX / UI to optimize user experience. Strategy: - Participated in defining the company's strategy (resource management, salary grids, client acquisition, etc.).

Front end developer & manager

sept. 2018 - mai 2024

5 ans 9 mois

Full remote · Remote

As a front tech lead, I need to: - Ensure the code quality of our applications - Think about the architecture of our librairies and tools - Improve our velocity - Create a safe environnement for the product and for the dev team - Work on the overall CozyCloud's architecture (front / back)

CTO

InTeach

août 2016 - août 2018

2 ans 1 mois

Lyon, France

As CTO at InTeach, my role was to ensure that the product we put in our customers' hand was really good. For that, it was necessary to clarify the vision of the company, to ensure the coherence of the evolutions and to be able to prioritize them, to plan them, to develop them and to deploy them respecting the time limits and with the required quality. In order to achieve these objectives, it was necessary: - To choose the right technologies in order to be able to deliver quickly with confidence by automating as much as possible. - To construct the technical team - To clarify the vision, definition of the different roadmaps Technically our solution consists of 4 products: - A mobile application (iOS / Android; smartphone and tablet) - A web application - An administration and content creation interface - An API to link these layers To carry out these projects we use: - React Native for the mobile application + some native modules (Objective-C / Java) / ReactJS for the web application, all mainly linked to Redux + Saga. - NodeJS + Hapijs for the API - PostgreSQL for the database - Angular for the administration and content creation interface - AWS for infrastructure (BeanStalk / Lambda / RDS / SQS / Worker) Implementation of various automated processes to ensure the quality of developments and deployments: - Use of CircleCI coupled with Cypress.io to do e2e testing on the React webapp - Use of CircleCI + lab for unit testing and integration of the Node API / hapijs - Use of Bitrise and detox for writing functional tests on the React Native application Automation of white label builds and releases: - Bitrise / Fastlane / bash

Co-fondateur

Cycle League

avr. 2016 - juil. 2016

4 mois

Cycle League is a team-linked bike championship through a mobile app. The project was selected at the Annecy city incubator and we won an award for a crowdfunding campaign. My job was to: - Create wireframe and do user testing - Make a survey in the cycling community to valide the Mon rôle a été de : - Réaliser les wireframes et de faire du User Testing - Carry out a survey of cycling communities to validate the directions taken for the product - Develop a POC for the mobile app (iOS and Android with React Native) - Present the project to the members of the incubator & the competition ● Mobile App: React Native / HTML5 / CSS3 ● Back-end: PHP

Consultant

Freelance

nov. 2015 - avr. 2016

6 mois

Being freelancer, I had the chance to work on severals projects: ★ Bid several request for Proposal of the French Education Ministry for a french startup My job was to write the bid, find service provider and plan the project ★Work on hybride (Cordova) applications - Bring technological expertise to fix issues with APK size (by using OBB system) and audio (by using Crosswalk) ★ Prototype a port of a Web app to a Desktop one Use of NodeWebkit to publish a desktop application on Windows, Linux and Mac OS. ★Involvement in the epub's world - White paper to enhance the epub 3 specification - Comments on proposal - Creation of the Blitz framework (epub3 framework to facilitate the work of ebook developers (https://github.com/FriendsOfEpub/Blitz) ★Participation in the React Native community - Add functionalities to the framework - Maintain several libs (mainly https://github.com/xinthink/react-native-material-kit)

Founder, Product Owner & Dev

SalooN

mars 2015 - oct. 2015

8 mois

SalooN is a matchmaking service for visitors to conferences or trade fairs which aims to increase contact, increase the visibility of exhibitors and which aims to make life easier for visitors. My job was to: - Create wireframes and test them on potentials users - Develop parser scripts to fetch events - Fix bug on the iOS (Ionic) application ● Mobile Application: Ionic Framework / AngularJS / Cordova (PhoneGap) / HTML5 / CSS3 ● Back-end: Scala / Play Framework / MongoDB / HTML5 / CSS3 ● PHP

Gutenberg Technology

nov. 2009 - oct. 2014

5 ans

Région de Paris, France

Director of Research & Development - Co-Founder

mai 2014 - oct. 2014

6 mois

Région de Paris, France

CTO Co-Founder

nov. 2009 - avr. 2014

4 ans 6 mois

Paris, France

Development and technical aspects : • Designed and created a multi- support publishing platform for paper and digital books. Supervised the creating process as a 
whole: created task groups, defined the product’s functional and technical requirement specifications, oversaw all technical decisions, specified the application’s architecture. • Co-drafted several patents • Participation in the company’s bids. Ex: Request for Proposal of the French Education Ministry, prospects. • Launched an initiative to enhance the quality of applications (Code Review, Unitary Testing, Documentation, Sprint Review...) Management : • As of today, manages a team of 20 developers (oversaw the transition from a 3-persons staff in 2010). Supervises the hiring 
process of all technical staff. • Project gestion : Coordinates all developments on various supports (mobile devices (iOS, Android), web applications and services...). Training : • Introducing and explaining the product technical part to prospective buyers and world-leading publishing companies (Pearson, 
Hachette). • Provides professional training to groups up to 15 publishing professionals (Editis, Hatier) on subjects related to digital publishing (ex: using XML in publishing, implementing a Relational Database System in publishing firms).

CTO - Co-founder

Lelivrescolaire.fr

nov. 2009 - déc. 2013

4 ans 2 mois

Paris, France

• Supervises the development of the textbooks' digital version published by the company. • Created the early version of a web-based digital publishing tool for textbooks.

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