Front End Developer

Celsius, based in Boca Raton, FL, is a global consumer packaged goods company with a proprietary, clinically proven formula for its master brand CELSIUS®, a lifestyle energy drink brand born in fitness and a pioneer in the rapidly growing energy category. Celsius Holdings, Inc. also includes Alani Nu, a premium active nutrition and better-for-you brand, further expanding our reach across the health and wellness space.

At Celsius, we pride ourselves in providing our employees with a culture and atmosphere of inclusiveness that challenges individuals to be thought leaders, innovators, and game changers—as every employee is an owner of the CELSIUS® brand upon joining the organization.

Ready to energize your career? Join a team that’s pushing boundaries and redefining what it means to LIVE FIT.

Position Overview

Reporting to the Head of Frontend Development, the Frontend Developer is responsible for developing and maintaining high-quality, accessible, and privacy compliant Shopify experiences for CELSIUS®. This role requires a deep understanding of Shopify Liquid, modern frontend technologies, and best practices in web accessibility and data privacy. The ideal candidate combines technical proficiency with design and a passion for creating seamless, performant, and compliant user experiences that drive brand and business impact.

In-Office: Based full-time at CELSIUS® Headquarters in Boca Raton, FL

People Management Responsibilities: No

Role Type: Full-Time

• 2+ years of experience in frontend development, with a focus on Shopify and ecommerce platforms.
• Strong proficiency in Shopify Liquid, HTML, CSS/SASS, JavaScript, and responsive design principles.
• Experience developing and maintaining WordPress websites, including theme customization, plugin integration, and ensuring consistency with brand standards.
• Experience implementing accessibility standards (WCAG 2.1 or higher) and working with Level Access or similar accessibility platforms.
• Familiarity with data privacy frameworks and cookie consent management, preferably with OneTrust.
• Solid understanding of Shopify themes, custom templates, API integrations, and third-party app configurations.
• Experience using GitHub for version control, branching, pull requests, and collaborative code review workflows.
• Experience collaborating with designers, backend developers, and marketing teams to deliver cohesive brand experiences.
• Understanding of SEO best practices, page speed optimization, and cross-browser compatibility.
• Strong attention to detail, problem-solving skills, and commitment to maintaining coding standards and documentation.
• Excellent communication and teamwork skills, with the ability to operate in a fast-paced, cross-functional environment.
• Preferred: Experience working in an environment that maintains multiple brands or sub-brands, ensuring consistency across distinct digital identities.

Key Responsibilities

• Develop, customize, and maintain Shopify/WordPress themes and storefronts using Shopify Liquid, HTML, CSS, and JavaScript.
• Collaborate with the Frontend development team to ensure consistent brand implementation and technical alignment across all web properties.
• Ensure all web experiences meet accessibility standards through testing, remediation, and partnership with Level Access and AudioEye.
• Implement and maintain privacy compliance solutions using OneTrust, including consent banners, cookie management, and privacy automation workflows.
• Partner with design and marketing teams to bring creative concepts to life while ensuring performance, accessibility, and scalability.
• Optimize site performance, ensuring fast load times and mobile-first responsiveness.
• Support integrations with Shopify apps, marketing tools, and backend systems to enhance functionality and user experience.
• Conduct regular audits of accessibility, data privacy, and page performance, identifying and implementing improvements.
• Stay current on emerging frontend trends, Shopify platform updates, and web standards to continually improve site quality and maintain compliance.
• Contribute to code reviews, documentation, and best practice development within the Frontend team.

• Comprehensive Medical, Dental & Vision benefits
• Long- and short-term disability
• Life insurance
• 10 Vacation days per year subject to accrual policy
• 11 Company paid holidays
• 401(k) with Company match
• Identity theft and legal services

The base pay range for this position is for a successful candidate within the state listed. The successful candidate’s actual pay will be based on multiple factors, such as work location, job-related knowledge, skills, qualifications, and experience. This position may be eligible for other compensation, including bonuses and Restricted Stock Units (subject to company plans).

Celsius Holdings, Inc. celebrates diversity and is committed to creating an inclusive environment for all employees. We are proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. We believe strongly in fostering a safe, fair and respectful work environment. If you need assistance and/or a reasonable accommodation due to a disability during the application process, please reach out to [email protected].

The above information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job.