Front-End Engineer: Multi-Brand E‑Commerce & UX

Glanbia plc; Downers Grove (IL); On-site; USD 95,000 - 115,000; Full time

Benefits offered by this job

Staff discounts

Health & dental plan

401K

Generous family leave policy

Job summary

Glanbia Performance Nutrition is seeking a Front End Developer to join our global brands team. You will collaborate with marketing, creative, and product stakeholders to build engaging web and email experiences for Optimum Nutrition, BSN, Isopure and more.

In this multi-brand role, you will manage content across CMS platforms, optimize product catalogs, and drive front-end improvements that boost UX, SEO, and conversions while ensuring mobile excellence.

Qualifications

• Bachelor's degree required or equivalent.
• 2+ years of professional Front End development experience.
• Extensive experience with modern web technologies.

Responsibilities

• Oversee multi-brand front-end tasks across CMS platforms.
• Deploy and QA digital content using WordPress, Shopify, Emarsys, Klaviyo.
• Improve front-end usability and navigation.
• Manage and update product catalogs on e-commerce sites.
• Implement on-page and technical SEO best practices.
• Collaborate with designers, PMs, QA, and release engineers.
• Use analytics to enhance user experience and conversions.
• Ensure pricing and promos are up to date across sites.
• Monitor performance and optimize speed and responsiveness.
• Ensure mobile-optimized experiences.

Skills

JavaScript

HTML

CSS

React.js

Knockout.js

REST

Education

Bachelor's degree from a 4 year university or college

Job description

Glanbia Performance Nutrition is seeking a Front End Developer to join our global brands team. You will collaborate with marketing, creative, and product stakeholders to build engaging web and email experiences for Optimum Nutrition, BSN, Isopure and more.

In this multi-brand role, you will manage content across CMS platforms, optimize product catalogs, and drive front-end improvements that boost UX, SEO, and conversions while ensuring mobile excellence.