MODESTE ASSIONGBON
I'm a Senior JavaScript Developer, passionate about JavaScript and Angular. I’m also Speaker, Trainer, Video Content Creator and a Google Developer Expert (GDE) in Angular.
Soft Skills
- In my roles, I support and ensure the team's skill development in the technologies I use.
- I am committed to continuous improvement through ongoing technological monitoring.
- I am keenly interested in understanding the business to provide solutions tailored to the client's needs.
Hard Skills
Language : JavaScript (Vanilla/ES6), Typescript, SQL, CSS/LESS/SCSS.
Framework & Execution environment : Angular, Express.js, Node.js.
Database : MySQL, MongoDB.
Library : Mongoose, RxJs, NgRx, NgRx Signal Store, Angular Material.
Testing : Mocha-Chai-Sinon, Node.Js native test runner, Jest, Cypress.
Server : Nginx, RabbitMQ, ElasticSearch.
Tools : Docker.
Others : REST, Agile, SOLID, Clean Code, Hexagonal Architecture, Event Driven.
YouTube Channel
Dev Propulsor
Technical YouTube channel in French, assisting individuals to start in Web Development or enhance their knowledge.
Community Organization
Google Developer Group Co-Organizer
Organizing meetups, finding hosts, communicating with speakers/partners, and supporting community growth.
DevFest Paris Organizer
Contributed to organizing DevFest Paris 2024. Designed and developed the event website.
NPM Libraries
i18n-lib
An internationalization library for Node.js, designed to be simple and efficient for backend services.
Scheval
A JavaScript object/schema validator with a simple and comprehensible API, making data validation straightforward.
All Talks & Engagements
[DevFest Strasbourg 2025] - Node.js peut faire ça !! Exploitons les fonctionnalités natives de Node.js
Node.js has evolved significantly in recent years, with many improvements aimed at optimizing the developer experience. During this talk, I highlighted some of Node.js's native features that, when well understood, can help developers reduce their reliance on third-party NPM modules in their projects.
[DevFest Nantes 2025] - Angular Signal - Monde Asynchrone, État dépendant
The goal of this workshop is to clarify the purpose and benefits of Resources (resource, rxResource, httpResource) and LinkedSignal through real-world use cases and hands-on examples. This workshop was based on Angular version 20.
[Voxxed Days Luxembourg 2025] - Les Single Page Applications et différents types de rendu (CSR, SSR, SSG, ISR)
The goal of this talk is to provide a brief history of how rendering strategies have evolved over time, to review the different types of rendering available today by presenting the advantages and disadvantages of each, and finally to offer the key elements needed to decide which one to choose based on your needs.
[DevoxxFR 2025] - Angular 19 - L'ère des applications complètes basées sur les signaux
The goal of the workshop is to guide participants in developing a modern application based on signals, using the new signal-based APIs (signal, computed, effect, linkedSignal, input, output, model, signal queries, toSignal, toObservable, resource, rxResource, httpResource).
[DevoxxFR 2025] - Node.js peut faire ça !! Exploitons les fonctionnalités natives de Node.js
Node.js has evolved significantly in recent years, with many improvements aimed at optimizing the developer experience. During this talk, I highlighted some of Node.js's native features that, when well understood, can help developers reduce their reliance on third-party NPM modules in their projects.
[MKUTANO IT] - Angular - @let - Déclaration de variables dans les templates
The goal of this talk was to demonstrate, through various use cases, how the new variable declaration feature in templates, introduced in Angular 18, enhances the developer experience.
[Paris Angular #1] - Angular Deferrable Views
The goal was to present how the new Deferrable Views feature, introduced in Angular 17, improves not only application performance but also user experience.
[DevFest Yamoussoukro] - Angular - @let - Déclaration de variables dans les templates
The goal of this talk was to demonstrate, through various use cases, how the new variable declaration feature in templates, introduced in Angular 18, enhances the developer experience.
[Node.js Paris #3] - Node.js Can Do That !! 🤯
I gave this talk at the Node.js Paris meetup #3, chapitre 12. Node.js has evolved significantly in recent years, with many improvements aimed at optimizing the developer experience. During this talk, I highlighted some of Node.js's native features that, when well understood, can help developers reduce their reliance on third-party NPM modules in their projects.
[Angular Devs France] - Live table ronde sortie Angular 19
During this live roundtable organized by Angular Devs France, we discussed the major changes introduced in Angular 19, enterprise experiences in migrating projects to the new signal-based APIs, and many other topics.
[Possacode Day] - Comment bien construire sa carrière de développeur frontend
During Possacode Day, I had the opportunity to participate in a panel organized by Possacode. The goal was to allow senior developers and experts from different technologies to share their experiences on building a successful frontend developer career.
[Meetup GDG Paris] - La Programmation Réactive & RxJS
I gave this talk at a meetup organized by GDG (Google Developers Groups) Paris. The goal of the talk was to demystify RxJS from scratch, sharing with the audience the essentials needed to become independent with RxJS, the utility of high-order observables, subjects, the concepts of cold and hot observables, among other things.
[Google I/O Extended Connect 2024 Paris] - Renaissance d'Angular
I gave this talk at the Google I/O Extended Connect 2024 Paris, a meetup organized by GDG (Google Developers Groups) Paris to share the key points of the Google I/O 2024. The goal of this talk was to summarize the key points from the Angular team's presentation at the last Google I/O. The talk was structured into three main parts: new features, community news, and finally, the Angular team’s collaborations and their roadmap for upcoming versions of Angular.
[Google I/O Extended Connect Afrique Francophone] - Renaissance d'Angular
I gave this talk at the Google I/O Extended Connect Afrique Francophone, an online conference which gathered several GDGs (Google Developers Groups) of Francophone Africa to share the key points of the Google I/O 2024. The goal of this talk was to summarize the key points from the Angular team's presentation at the last Google I/O. The talk was structured into three main parts: new features, community news, and finally, the Angular team’s collaborations and their roadmap for upcoming versions of Angular.
[Workshop GDG Cloud Abidjan & GDG Bassam] - Initiation à Angular V16+
Angular training lasting a total of more than 14 hours, co-organized with GDG Cloud Abidjan & GDG Bassam. The training is spread over several days (Tuesday, Thursday) for four weeks (a total of 8 sessions). The goal is to provide you with essential basic knowledge, the fundamentals to start with Angular or deepen your understanding of the framework.
[DevoxxFR] - Angular Deferrable Views : Améliorer la performance et l'UX
I gave this talk at the DevoxxFR 2024 Conference in Paris. The goal of this talk was to present how the new Deferrable Views feature introduced in Angular version 17 helps improve not only an application performance but also the user experience.
[Workshop GDG Paris] - Atelier Découverte des Signaux Angular V16+
The goal of this workshop, co-organized with GDG Paris, was to introduce the audience to the new Signal API introduced in Angular version 16. It provides a straightforward API for developing reactive applications.
[Workshop GDG Lomé] - Formation d'initaition à Angular V16+
Angular training lasting a total of more than 8 hours, co-organized with GDG Lomé. The training is spread over several days (Tuesday, Thursday, Saturday) for two weeks (a total of 6 sessions). The goal is to provide you with essential basic knowledge, the fundamentals to start with Angular or deepen your understanding of the framework.
[MKUTANO IT 2023] - JavaScript is everywhere... let's bet on it
At the MKUTANO 2023 conference, I had the opportunity to explain to the audience why JavaScript is the language to invest in for the future.
[Meetup ESGI] - Implémentation d'une API REST en utilisant Express.js et Typescript
During an online meetup organized by ESGI students on TypeScript, I had the opportunity to share, through live coding, how to set up a REST API from scratch using TypeScript and Express.js.