Senior Developer Front-End

Summary

Join Instrument, a remote-first digital agency, as a freelance Senior Front-End Developer for a redesign project spanning August 18th to October 31st, 2025. This full-time (40 hours/week) role centers on building and refining front-end design systems and components within Wagtail, a CMS. You will collaborate with design teams, utilizing modern JavaScript libraries like React or Vue, to create a scalable, high-performance system. The position demands expertise in Wagtail, HTML, CSS, JavaScript, and experience with Atomic design systems. Compensation ranges from $50-$110/hour (1099), varying by location (US regions 1-3, and international).

Requirements

• Strong experience with Wagtail CMS, including creating and managing blocks, snippets, and templates
• Expertise in HTML, CSS, JavaScript, and modern frameworks such as React or Vue
• Solid experience building CMS components, especially in Atomic (or similar) design systems
• Demonstrated ability to meet strict performance and accessibility requirements
• Experience working closely with design teams to help define and implement component/modular design systems

Responsibilities

• Build and refine front-end design systems and components within Wagtail
• Work with templating languages like Handlebars
• Collaborate with design teams to define and optimize layouts, components, and assets
• Build large-scale sites using HTML, CSS, JS, and frameworks like React or Vue
• Ensure strict performance and accessibility standards are met across all components
• Create and manage CMS components, including blocks, snippets, and templates in Wagtail
• Use AI tools to supplement efficiency, while maintaining core expertise in front-end development

Preferred Qualifications

Familiarity with AI-driven tools for enhancing development efficiency