Senior Front-End Web Developer (Full-Time, Remote)

startupticker.ch; Luzern; Remote; CHF 80’000 - 110’000; Vollzeit

Zusammenfassung

An innovative music technology company in Luzern is seeking a Senior Front-end Developer to create engaging user experiences with a strong emphasis on vanilla JavaScript and responsive design. This role involves developing modern websites while collaborating closely with cross-functional teams. Ideal candidates will possess deep expertise in HTML5, CSS3, and a proactive mindset.

Qualifikationen

• Create responsive, cross-browser layouts using HTML5 and CSS3 without frameworks.
• Work extensively with Vanilla JavaScript for front-end development.
• Understand and apply SEO best practices for pages.
• Optimize site performance through techniques like lazy loading.
• Refactor and maintain existing legacy code.

Aufgaben

• Develop and support clean, W3C-compliant front-end code.
• Build adaptive pages for desktops, tablets, and mobiles.
• Support interactive projects using JavaScript.
• Implement analytics tagging for data capture.
• Collaborate on tech project execution across teams.

Kenntnisse

HTML5 and CSS3

Vanilla JavaScript (ES6+)

SEO best practices

Site performance optimization

Legacy code handling

Alpine.js

Performance optimization tools

Git

English communication skills

Tools

AWS CloudFront

S3

Laravel’s Blade

Jobbeschreibung

Overview

Job role and responsibilities : As part of a cross-functional team - including our web lead developer, database engineer and app developer - you will contribute to the ongoing development and maintenance of our website. This is a dynamic role focused on senior front-end development, with a primary focus on delivering engaging, modern user experiences.

Responsibilities

• Developing and supporting clean, W3C-compliant front-end code that aligns with stakeholder specifications with a focus on web standards, semantics, usability, accessibility and performance optimization.
• Building adaptive web pages for desktop, tablet and mobile devices using custom CSS solutions and frameworks such as Bootstrap.
• Supporting and implementing interactive musical instruments using JavaScript.
• Implementing analytics tagging and ensuring accurate data capture.
• Collaborating on the selection and implementation of development tools, technologies and processes.
• Serving as a key point of contact for technical projects across teams, participating in requirements gathering, execution and deployment phases.

Qualifications

• Strong skills in HTML5 and CSS3: Able to create responsive, cross-browser layouts without relying on frameworks like Bootstrap, Tailwind, or similar.
• Excellent command of Vanilla JavaScript (ES6+): Comfortable working without libraries or frameworks such as React, Angular, or Vue.
• Solid understanding of SEO best practices: Includes proper heading structure, page speed optimization, and content accessibility.
• Experience in site performance optimization: Techniques such as minimizing DOM usage and implementing lazy loading of resources.
• Ability to work with legacy code: Capable of understanding structure, refactoring, and maintaining existing solutions.
• Experience with Alpine.js (or similar lightweight JavaScript frameworks for streamlined logic).
• Recent hands-on experience with Vanilla JavaScript is a must — we are not considering candidates who only work with frameworks or haven’t used Vanilla JS recently.
• Familiarity with performance optimization tools such as YSlow and Google PageSpeed Insights.
• Strong working knowledge of Git for version control.
• Excellent English communication skills: Clear, precise, open-minded, and solution-oriented. A proactive and collaborative mindset is highly valued.
• Experience with AWS CloudFront and S3 is a plus, but not required.
• Familiarity with Laravel’s Blade templating engine is a plus, but not required.

Project description

Tomplay invents the Interactive Sheet Music

Tomplay, the inventor of Interactive Sheet Music, has revolutionized music playing. Through its unique platform, it offers all musicians the opportunity to play their instruments along with high-quality recordings by professional musicians, including artists from Deutsche Grammophon. Thanks to its innovative technology, the interactive scores automatically scroll on-screen with the music. With features such as adjusting the tempo of the music, visualizing instrument fingerings in real time, looping selected passages, and self-recording, Tomplay makes learning music more effective, enjoyable, and immersive. Tomplay provides a catalog of over 70,000 Interactive Sheet Music Titles spanning classical, pop / rock, jazz, and film music for 28 instruments, arranged in various difficulty levels.