Senior Developer Front-End (Freelance)

Instrument is a remote-first digital product and brand experience agency with a team of over 200 talented individuals, organized across four specialized teams. Each team brings its expertise to life through best-in-class work, crafting transformative experiences for our clients. Our shift to a fully remote model has opened new doors for creativity, flexibility, and stronger client relationships. This approach not only strengthens our culture but also allows us to embrace diverse voices, perspectives, and ideas.

We are seeking an experienced Senior Front-End Developer to join our team for a freelance engagement focused on redesigning and reengineering two major marketing sites. This role requires expertise in building front-end design systems and components for Wagtail, and a strong background with modern JavaScript libraries such as React and Vue. You’ll collaborate with design teams to perfect layouts, components, and assets to create a scalable, high-performance system for a multi-site Wagtail build.

If you are passionate about creating scalable, high-performance front-end systems and enjoy collaborating with design teams, we would love to hear from you!

Duration: August 18th – October 31st, 2025

Full-time commitment: 40 hours per week

• 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.

• 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.
• Familiarity with AI-driven tools for enhancing development efficiency.

• The expected pay range for this role is $50-$110 per hour on a 1099, but will depend on the level in which you are engaged
• Our company has three regional pay bands that it adheres to depending on your location, we reference them as US 1, US 2, and US 3 We have also established pay bands for areas outside the US
• US 3 is our base pay. Examples of cities in US 3 are Portland, Houston and Miami
• US 2 pay is 7.5% higher than US 3 to meet the market rates. Examples of cities in US 2 are Los Angeles, Chicago and Seattle
• US 1 pay is 15% higher than US 3 to meet market rates. Examples of cities in US 1 are Brooklyn and San Francisco
• If you are curious which region you are in, please apply and get connected with our recruiting team!