Senior Frontend Engineer Backbone Player (All Genders)

Dailymotion; Valbonne; Hybride; EUR 60 000 - 80 000; Plein temps

Résumé du poste

A leading video streaming platform is seeking a Senior Frontend Engineer to enhance its flagship HTML video player used by millions. In this role, you will collaborate with various technical teams in a flexible work environment, contributing to feature development and maintaining high standards for performance. Ideal candidates will have strong skills in JavaScript, HTML, and CSS, with experience in modern frameworks. The position offers a permanent full-time contract in Valbonne, with options for remote work.

Qualifications

• Experience with modern JavaScript frameworks, ideally React/Preact.
• Strong proficiency in standard web development.
• Excellent communication and collaboration skills.

Responsabilités

• Develop new features and fix bugs for the video player.
• Maintain codebase and ensure adherence to best practices.
• Mentor junior engineers and foster team growth.

Connaissances

Git

HTML

CSS

JavaScript

React

Web performance monitoring

Webpack

Unit testing

HTML5 Video API

Adaptive streaming formats

Outils

Webpack

Jasmine

Jest

Description du poste

Overview

As a Senior Frontend Engineer in the Backbone Player team youll work on the companys flagship product the HTML video player. Our video player is used by more than 300 million users every month directly on our platform and on high-traffic websites using our technology.

Reporting to the VP Engineering you will join the Player Perf team and work with a diverse group of people from around the world all of them committed in improving our video player in a caring agile and highly-technical environment.

You will collaborate with experienced engineers infrastructure devops product managers designers and data analysts across the company to deliver features to our users and publishers with a focus on video streaming experience.

Our remote policy is quite flexible and its fine if you choose to work from home. Or you can also enjoy our very nice office located in the heart of Sophia-Antipolis.

The ideal candidate has a collaborative mindset a demonstrated experience building and delivering high-performance web applications and a strong taste for finely crafted products.

Responsibilities

• Contribute to the team effort to develop new features fix bugs and deliver a state of the art user experience to a variety of browsers and devices (mobiles tablets desktops)
• Maintain existing codebase with a focus on the HTML video player and contribute to keep it up to date with current technology and best practices (tests coding guidelines continuous deployment)
• Write and maintain technical specifications and technical documentation about the codebase
• Take part in a collaborative culture that encourages every member of our team to bring their added value
• Mentor junior engineers and contribute to growth of the team

Qualifications :

• Strong proficiency with Git
• Strong proficiency in HTML CSS (vanilla) and JavaScript (vanilla)
• Strong proficiency in standard web development (how the web platform works outside of any framework or library)
• Experience with modern JavaScript frameworks & state management (ideally React/Preact)
• Experience in performance initiatives like observability monitoring code optimization runtime and bundle analysis
• Experience with build tools (Webpack Rollup esbuild...)
• Experience with unit tests tools (Jasmine Jest Vitest...)
• Professional experience building advanced reactive web applications using modern tooling
• Professional experience with development best practices (unit tests functional tests CI code reviews documentation agile processes)
• Strong teamwork mindset (work with the team and for the team)
• Excellent problem-solving analytical skills
• Excellent communication and collaboration skills
• Experience with standard HTML5 video API
• Experience with adaptive streaming format such as HLS or MPEG-DASH (ideally as Dailymotion Player relies on it)
• Comfortable speaking in English
• Bonus points: Experience with browser-based testing frameworks (Cypress Playwright)

Additional Information :

• Location: Flex Office in Valbonne / Sophia-Antipolis
• Start Date: Jan 2026
• Contract Type: Permanent
• Remote Work: Yes
• Employment Type: Full-time