Ronan Jaffré

JS / .Net Developer

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About Me

I am a curious developer with more than 15 years of experience and who loves to combine development and business. Passionate about technology and innovation, I strive to create solutions that not only meet technical needs but also add strategic value. My goal is to blend technical skills with an entrepreneurial vision to develop impactful and sustainable projects.

Informations

  • Location: Bordeaux, France
  • Phone: +33 6 58 19 61 29
  • Email: ronan.jaffre@rjconsulting.fr
  • Birthdate: 29/10/1985

Expertise

Fullstack

Being a full-stack developer allows you to handle both front-end and back-end tasks efficiently, ensuring seamless integration and a comprehensive understanding of the entire development process.

Business oriented

Being a business-oriented developer ensures that technology solutions are aligned with strategic goals, leading to more effective and impactful outcomes for the organization.

Curious

A curious developer who explores multiple business domains can create more versatile and effective solutions by understanding the unique needs and challeges of the client.

Skills

Methodology

V-Model software development, Agility (scrum, kanban), functional requirements gathering, reporting, management, technical conception, code reviews, functional testing, code audit, business oriented

Domains

Transport, E-commerce, Healthcare, Construction , Fraud detection, Wage portage, Property tax, Medical, Retail , Real estate, Energy, Advertising, Law, Hostel, Technology, Web3

Gestion

SVN, TFS, Tortoise, ClearCase, Git, Jira, HPQC, Mantis, Jira, Confluence, Redmine, Gitlab, Trello, Google analytics, Kibana, Azure

DevOps

Docker

Technologies

Rest, SOAP

Other languages

Java, Python, PHP, Bash, C, C++

Others

Microfront–end, ILOG, Microservices, ChatGPT, MistralA

.NET

.NET 8, .NET Core 3.1, C# 5.0, VB.NET, WCF, LinQ, EF6, ASP.NET, WinForms, WPF, Silverlight, WinRT, XAML, Microsoft Graph, WebAPI, SignalR, Azure DevOps

JS

JavaScript ES6, TypeScript, ReactJS 18, NextJS, Angular 8, NodeJS, NestJS

Web

HTML5, CSS3, SCSS, Less, , jQuery, EsLint, WebPack, Babel, Formik, Prettier, Lodash, Husky, Axios, Fetch, CRA, Vite, RxJs, Redux, Saga, Thunk, ReactQuery, Immutable, TypeORM, Websocket, Googlemaps, Mapbox, Leaflet, Web3.js

UI

Material–ui, Styled Components, Reactstrap, Tailwind, Ant design, PrimeReact

Testing

Microsoft Unit Testing Framework, nUnit, nSubstitute, Selenium, Jest, Mocha, Cypress

ORM

Entity Framework, Entity Framework Core, nHibernate, TypeORM

Pattern

MVC, MVVM, MVP, UML

Database

Oracle 11G, SQL Server, MySQL, SQLite, PLSQL, TSQL, Postgresql, Mongo

Professional Experience

NextJS Developer at Gyroscops

06/202409/2024 (Paris, France)

Software that provides a low code integration that connects and manages all the data accross the stack.

  • NextJs development on the dataflow interface.

Technologies: NextJS, Typescript, MaterialUI

ReactJS and .NET Developer at VP auto

06/202311/2024 (Nantes, France)

Parc, software that manages client vehicles, their damages, and repairs needed in VP auto parks

  • React development for different frontends.
  • Dotnet development on the microservice API

Technologies: ReactJS, Javascript, Dotnet 6, PrimeReact, Azure

ReactJS Developer at Eurotunnel

11/202304/2024 (Lille, France)

Freight is an admin dashboard for configuring vehicle informations and network congestion days

  • React development
  • Dotnet debugging

Technologies: ReactJS, Typescript, Dotnet 8, MaterialUI, Azure

Lead ReactJS and Dotnet Developer at Cyllene

04/202206/2023 (Paris, France)

Worked on different missions as Lead dev at Cyllene, an agency in IT technology

  • TMA Grain de malice, .NET ecommerce app ready-to-wear for women
  • La chanvrière (ReactJS), Saas to manage hemp plantations
  • SIRH (ReactJS), Internal HR software for managing employee vacations, remote work, and positions
  • TMA CoraBe, .NET ecommerce app

Technologies: ReactJS, Javascript, Dotnet

ReactJS Developer at Time to beem

09/202204/2023 (Bordeaux, France)

Solution to calculate to the rate of carbon during construction of a building

  • Closed cooperation with the CTO
  • ReactJS development
  • Used IFC.js to render buildings

Technologies: ReactJS, Typescript, IFC.js library, Java

ReactJS and .NET Developer at Shift Technology

06/202108/2022 (Paris, France)

Worked on the french unicorn as a fullstack software developer in the interface team of fraud detection thanks to AI. International context.

  • .NET core development
  • ReactJs development
  • Service support

Technologies: ReactJS, Javascript, Immutable, Cypress, Mocha, Redux, .NET core, Teamcity

ReactJS Developer at Covirtua Healthcare

04/202105/2021 (Paris, France)

Software to help patient with cognitive disorders with gamified activities

  • ReactJs development
  • NodeJs and scriptJs

Technologies: ReactJS, Javascript, Leaflet, Docker, NodeJS, Nginx

ReactJS Developer at Qualibat

02/202104/2021 (Paris, France)

Lead tech on the front part for Qualibat, french qualification and certification association for constructions companies.

  • Writing technical and functional specifications
  • Design on Figma
  • ReactJs development

Technologies: ReactJS, Typescript, ReactStrap, Husky, Prettier, CSS, Gitlab, Docker, Linux

.NET Developer at Groupe Baya

11/202003/2021 (Nantes, France)

Baya Consulting, wage portage software. Building a software that communicates and synchronizes data between different apps (Microsoft Graph, Jenji and intern app)

  • .NET core development on GX Handler
  • Nestjs development on Baya Consulting Services
  • SqlServer, Service Broker and Mongo

Technologies: Nestjs, Typescript, C#, .NET core, Gitlab, Docker, Service Broker, Microsoft Graph, Mongo, TSQL

Product Owner & Fullstack Developer at Loré

08/202003/2021 (Bordeaux, France)

Wim, property tax optimization software, aggregates data and raises alerts.

  • Functional requirements gathering
  • Priority management
  • Reporting
  • Technical and functional conception
  • Functional testing
  • Code audit
  • Fullstack development in Angular 8 and .NET core

Technologies: C#, .NET core, EF core, Angular 8, HTML5, CSS3, PostGre, Git, Gitlab, Redmine

ReactJS and .NET Developer at Exelus Nomadeec

05/202007/2020 (Bordeaux, France)

Nomadeec+, teleconsultation medical service software

  • Fullstack development in ReactJs and .NET core

Technologies: C#, ASP.NET core, HTML5, CSS3, TFS, SQL Server, ReactJS, React Context, Fetch, MaterialUI, Gitlab

ReactJS Developer at Intermarché

06/201909/2020 (Paris, France)

Intermarché Drive, Retailing e-commerce software

  • Fullstack development in .NET on several projects of Intermarché
  • Front development in ReactJS on the new front of Intermarché

Technologies: C#, ASP.NET, HTML5, CSS3, TFS, SQL Server, Jquery, ReactJS, Redux, microservices, microfront–end, Docker, Axios, Styled Components, esLint

Scrum Master at 1001Pneus

07/201804/2019 (Bordeaux, France)

Car and motor bike tires e-commerce software based on dropshipping.

  • Management of 6 PHP developers
  • Functional requirements gathering
  • Reporting (Jira, mail)
  • Scrum Rituals
  • Functional conception
  • Functional testing

Technologies : PHP, Laravel, Jquery, Git, Linux, SQL Server, Jira, Redmine, Jenkins

.NET Developer at Cdiscount

06/201707/2018 (Bordeaux, France)

Authentification and Identification team in Marketing pole at Cdiscount

  • .Net Development
  • Development of unit, integration et non–regression tests
  • Code reviews and technical conceptions

Technologies: C#, .NET, ASP.NET, HTML5, CSS3, JQuery, TFS, SQL Server, Windows, nUnit, nSubstitute

.NET Developer at Thales

06/201601/2017 (Bordeaux, France)

Hydraulic and thermic service software that helps equipment tracking.

  • Development of 3 mobile applications (Mobidoc, Doctopus et Reporther) in scrum.
  • Employee training software

Technologies: winRT, C#, .NET, XAML, Git, SQLite, Windows, CSS3, JQuery, TFS, SQL Server 2012, Windows

.NET Developer at Pichet Immobilier

12/201506/2016 (Bordeaux, France)

G2PCOM, real estate seller services

  • Client Support (ticketing) in SQL (Sql Server)
  • .NET development

Technologies: VB.net, .NET, TFS, SQL Server 2012, Winforms, Entity framework, Windows

.NET Developer at Bénéteau

07/201512/2015 (Nantes, France)

E-commerce website for Bénéteau Mobil-home

  • Performance enhancement
  • .NET development

Technologies: C#, .NET, ASP.NET, JQuery, TFS, CSS3, SQL Server 2012, Entity framework, Windows

.NET Developer at CGI

07/201106/2015 (Le Haillan, France)

Tech Lead .Net (01.2012 – 06.2015)

PACIFIC, RFF: Project for solution for journey billing of trains on rail network

  • Management of 4 engineers
  • Bi-monthly meeting with the client
  • Functional need analysts, costing of developments, estimating requests and functional documentation writing
  • Monitoring and support on week-end
  • Conception and development in ASP.NET (MVC Razor) and several BATCH
  • DB in SQL Oracle, ORM nHibernate, Datastage
  • Unit and integration tests (HPQC) and tests on staging environment
  • Réversibilité

Technologies: C#, .NET, ASP.NET, JQuery, CSS3, Razor, MVC, TFS, Oracle, nHibernate, Datastage, ILOG, Windows

.Net Developer (07.2011 – 12.2011)

WIMT, Total : Calculation of Integrity rate of oil well solution

  • Development in C# Silverlight MVVM, SQL server
  • Unit and integration tests
  • DB in SQL Server 2008 et ORM Entity Framework

Technologies: C#, .NET, Silverlight, MVVM, XAML, SQL server, Entity Framework, SQL Server 2008, TFS, Windows

Java Developer (10.2011 – 12.2011)

JC Decaux : Software that prepares and creates invoices for advertising posters (SIGOP-batch et DPIAS)

  • Java development

.NET Developer at Groupe Conseil OSI

10/201001/2011 (Montréal, Canada)

Canadian National

  • Project management software
  • Invoice solution for employees (PECCS)

Technologies: C#, .NET, Silverlight, XAML, SQL Server, Windows

Groupe Conseil OSI

  • Invoice solution for employees (PECCS)
  • .Net Development

Technologies: VB.NET, .NET, Winforms, SQL Server 2005, TFS, Windows

.NET Developer at Source Evolution

11/200909/2010 (Montréal, Canada)

Subway security software (ISM)

  • Unit test development in C#

Technologies: C#, .NET, Winforms, Microsoft Unit Testing, TFS, Windows

Formations

Engineer in Computer Science

3IL, Institut d’Ingénierie Informatique de Limoges

Engineer degree in Computer Science

Options: Development and Security