Collaborative Work Environment:
At PetSmart, teamwork and connection are core to how we thrive. This role is based at our Phoenix Home Office, with an expectation of working a minimum of four days in the office each week. In a standard work week, associates may work up to one remote “flex day” (with leader approval). Our hybrid approach is designed to foster strong collaboration while also supporting flexibility and individual success.

This role works in our Phoenix Home Office - visa sponsorship is not available for this role

5+ years of experience as a Front-end or UX Developer required.

UX Optimization Developer

We are seeking a UX Optimization Developer with deep expertise in modern front-end technologies including Next.js, React, TypeScript, JavaScript, HTML, CSS, SASS, and SCSS.

This role focuses on building and optimizing digital experiences through A/B testing, reusable UI component development, and scalable front-end architecture. The ideal candidate will partner closely with business stakeholders, IT, and engineering leadership to translate requirements into high-quality technical solutions.

This individual is proactive, collaborative, and driven to continuously improve processes, performance, and product quality. They take initiative, embrace stretch opportunities, and work closely with leadership to deliver scalable, optimized user experiences.

Key Responsibilities

• Collaborate with business and product teams to deliver high-quality solutions aligned to requirements

• Develop new user-facing features using React.js and Next.js

• Design and build reusable UI components and contribute to a scalable component library

• Lead and support A/B testing initiatives using modern experimentation frameworks

• Translate designs and wireframes into high-quality, maintainable code

• Optimize components for maximum performance across a wide range of devices and browsers

• Implement solutions in ambiguous situations and help clarify technical requirements

• Proactively identify and communicate efficiency and optimization opportunities

• Conduct root cause analysis and support bug triaging efforts

• Work autonomously while maintaining strong collaboration across teams

• Recommend scalable technical solutions and gain cross-functional buy-in for implementation

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or equivalent practical experience

• Hands-on experience with experimentation platforms and A/B testing

• Strong experience with Next.js and TypeScript

• Advanced proficiency in JavaScript, including DOM manipulation and the JavaScript object model

• Thorough understanding of React.js, its core principles, and workflows

• Experience translating designs and wireframes into high-quality code

• Familiarity with modern ECMAScript specifications

• Experience working with RESTful APIs

• Familiarity with modern front-end build pipelines and tools

• Experience with Git or other code versioning tools

• Working knowledge of Agile methodologies

• Experience using project management tools such as JIRA and Confluence

• Strong analytical skills, including root cause analysis

• Ability to optimize applications for performance across web-capable devices and browsers

• Self-starter with strong attention to detail and organizational skills

• Ability to work both independently and collaboratively

Preferred Qualifications

• Knowledge of modern authorization mechanisms (e.g., JSON Web Tokens)

• Experience with front-end development tools such as Babel, Webpack, and NPM

• Ability to translate business requirements into technical solutions

• Strong benchmarking and performance optimization skills

• Experience with Optimizely, CommerceTools, and Algolia

• Familiarity with ADA compliance and accessibility best practices

• This role requires collaboration, teamwork, and face-to-face interaction with colleagues, leaders, and/or clients.
• Being in the office ensures access to leaders, cross-functional partners, and resources necessary to make timely decisions and drive results.
• On-site presence in accordance with our FlexSmart policy supports our culture of innovation, mentorship, and engagement, which is integral to our success in developing the best team.

* This is not intended to be an all-inclusive, exhaustive list of all essential job functions for this position. PetSmart retains the right to change or assign other required job duties to this position.

At PetSmart, Anything for Pets begins with our people. Every associate plays a vital role in creating meaningful experiences for pets and their families, and we empower our teams with the tools, resources, and opportunities to grow and succeed. 

We’re more than a workplace, we’re Team PetSmart. Together, we grow, collaborate, and challenge ourselves to be the best in all we do. Our culture is built on belonging and shared purpose, where every voice and experience matters. Guided by our values, we strive to do what’s right, lead responsibly, and bring our passion for pets to life every day. Not sure if you meet 100% of the position requirements and whether you should apply? We’d still like to hear from you and encourage you to apply with us! You might be the right fit for this role or another opportunity across Team PetSmart.

Our home office offers outstanding amenities in a fun and rewarding workplace including:

• Pet-friendly environment, bring your pets to work and enjoy the on-site dog park!
• On-Site Events & Adoptions, enjoy community-building opportunities, including pet adoption days, seasonal celebrations, family events, art events, & holiday festivals
• “Top Dog” gym with equipment, fitness classes, massage therapists, personal trainers, and wellness spaces
• “Sit & Stay” Café serving fresh breakfast and lunch options, snacks, & more
• “Lil Paws” NAEYC-accredited onsite childcare facility providing high-quality early education
• Paid Volunteer Opportunities to spend time doing good for causes close to heart
• Print Center and Business Services, Dry Cleaning, Mother's Rooms, Sustainable Infrastructure & more

PetSmart provides an equal opportunity for all associates and job applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status or other legally protected characteristics.