Senior Software Engineer

About The Team

It’s an exciting time in technology, and that buzz is felt throughout PetSmart! We are continuing to grow at a faster pace and we want to continue to provide best‑in‑class experiences for pets and pet parents.

About The Team (Continued)

Our Technology team has 6 different departments: Information Security, Service Delivery, Business Enabling Systems, eCommerce & Marketing Technology, Data and Stores, Services & Supply Chain.

Whether it’s online or in our stores, the work that the IT team does is instrumental in PetSmart’s success. We have a strategic and actionable plan underway and are looking for associates who are just as excited about it as we are.

About the Location

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.

About The Job

PetSmart LLC seeks a full‑time Senior Software Engineer based in Phoenix, AZ. The primary duty of the Senior Software Engineer is to drive the company’s web team forward. This position creates web solutions by developing, implementing, and maintaining internet/intranet applications using the latest technologies in support of business and IT needs. This position works in a high‑impact, dynamic environment with changing priorities, development methodologies, and technical solutions.

1. Work with product team to turn high‑fidelity design into an interactive web experience.
2. Work with product and UX teams to review designs and concepts and offer suggestions to decrease complexity while maintaining the spirit of the experience.
3. Apply front‑end development skills including accessibility (WCAG compliance), client‑side computing and object‑oriented design patterns, and use CSS framework and object‑oriented CSS for modular reusable systems.
4. Proactively make recommendations for technical enhancements for better performance, scalability, and maintainability.
5. Accountable for delivering in an Agile environment.
6. Implement responsive and adaptive design principles and develop scalable and accessible front‑end solutions.
7. Create/oversee completion of technical development on web solutions.
8. Work with cross‑functional IT and business teams to design and develop solutions based on business requirements.
9. Identify areas of improvement in design, implementation, process, tooling, automated testing, SQA.
10. Mentor less experienced developers.
11. Remain current on latest web technologies seeking to integrate them in solutions where appropriate.
12. Recommend system solutions by comparing advantages and disadvantages of custom development and purchase / open‑source alternatives.

The Senior Software Engineer uses: JavaScript, HTML, CSS, RESTful APIs, and networking concepts; JavaScript frameworks (React, Vue, Angular) and CSS preprocessors (SASS, Less, PostCSS) and MVC architecture and Object‑Oriented Programming (OOP).

Qualifications

This position requires a Bachelor’s degree or equivalent in Computer Science, Software Engineering, Electronics and Communication Engineering, or a related field and five (5) years of related, progressive post‑baccalaureate experience in web development. Experience must include five (5) years of experience, which may be concurrent, with all of the following:

1. Implementing responsive and adaptive design principles to develop scalable and accessible front‑end solutions.
2. Front‑end development skills including Web Content Accessibility Guidelines (WCAG) compliance, client‑side computing and object‑oriented design patterns, and CSS framework and object‑oriented CSS for modular reusable systems.
3. Use of open‑source libraries and frameworks to enhance functionality.
4. Working with cross‑functional IT and business teams to design and develop solutions based on business requirements.
5. Utilizing the following technologies and tools: JavaScript, HTML, CSS, RESTful APIs, and networking concepts; JavaScript frameworks (React, Vue, Angular) and CSS preprocessors (SASS, Less, PostCSS) and MVC architecture and Object‑Oriented Programming (OOP).

All experience may have been gained concurrently. Experience must have been acquired after completion of the Bachelor’s Degree program. Apply online at

About The Culture

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.

Workplace Amenities

• Pet‑friendly environment, bring your pets to work and enjoy the on‑site dog park!
• On‑Site Events & Adoption, 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.