Senior Front-end Developer, Svelte / SvelteKit

Mobile Tech People

. Design, develop, and maintain front-end web applications with Svelte.

Posted 10/13/2026full-timeParis • FranceSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in front-end web application development using Svelte, with a strong focus on performance optimization, accessibility standards, and collaboration with UX/UI teams. Proficient in implementing server-side rendering and automated testing to enhance user experience and application efficiency.

Highest-signal resume keywords

Svelte DevelopmentJavaScript ES6+Server-Side Rendering (SSR)WCAG Accessibility StandardsAutomated Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Front-End DevelopmentHTML5CSS3Sass/SCSSCore Web VitalsTechnical SEODesign SystemGitSvelteKitVite

Soft Skills

CollaborationCommunication

Tools & Technologies

JestCypressWebpack

Industry Keywords

MediaDigital ContentHigh-Traffic Platforms

Tech Stack

Tools & technologies

CypressJavaScriptJestReactSCSSSvelteVue.jsWebpack

About the role

Key responsibilities & impact

Design, develop, and maintain front-end web applications with Svelte.
Implement server-side rendering (SSR) solutions to optimize performance and SEO.
Improve Core Web Vitals and application load times.
Ensure interface accessibility in accordance with WCAG standards.
Integrate UX/UI designs while adhering to the existing Design System.
Optimize resources, components, and the user experience.
Implement automated testing and performance and accessibility checks.
Participate in code reviews and contribute to the continuous improvement of development practices.
Join a product and engineering team, collaborating with UX/UI teams.

Requirements

What you’ll need

At least 5 years of experience in front-end development.
Strong professional experience with Svelte.
Excellent command of JavaScript ES6+, HTML5, CSS3, and Sass/SCSS.
Experience with SSR and technical SEO.
Strong understanding of web performance and Core Web Vitals.
Good knowledge of WCAG accessibility standards.
Significant experience working with a Design System.
Proficiency in Git and software development best practices.
Experience with SvelteKit is a plus.
Experience in media, digital content, or high-traffic platforms is a plus.
Knowledge of React or Vue.js is a plus.
Experience with Vite or Webpack is a plus.
Experience with automated testing using Jest, Cypress, or equivalent tools is a plus.
Ability to work with product and UX/UI teams and explain technical decisions.