Software Engineer II, Display Growth & Decisioning

Candidates for this position are preferred to be based in Toronto, ON, Canada and will be expected to comply with their team's hybrid work schedule requirements.

Who We Are

Display and Sponsored Shops (DSS) is Wayfair’s ad platform, helping suppliers boost visibility and drive revenue across Wayfair US, Wayfair CA, and Wayfair Professional. By leveraging both proprietary and external technologies, DSS delivers high-performing ad placements that enhance the customer shopping experience while delivering measurable impact for brands.

You will join the Display Growth and Decisioning (DGD) team at our Toronto development center, and will help design, build, and scale the ad-serving infrastructure powering this ecosystem. Working across backend services and storefront integrations, you’ll focus on building high-throughput, low-latency systems and running experiments that continuously evolve Wayfair’s advertising platform.

If you're excited about building the future of advertising in e-commerce and want to be part of a dynamic, high-growth team, we’d love to hear from you!

Interested in learning more about Wayfair’s Engineering community?

• Check out our Wayfair Tech Blog: https://www.aboutwayfair.com/careers/tech-blog.
• Mudit Sadana is the Display Growth and Decisioning Engineering team manager
• Kamal Jagadevan leads our Display Advertising Engineering team
  
  

What You’ll Do

As a Software Engineer, you will be at the forefront of designing and developing enterprise-scale advertising technology that powers premium brand experiences across Wayfair’s platform. You will:

• Collaborate across teams to integrate new advertising formats, working closely with platform engineering, data science, and product management teams.
• Drive innovation by introducing best practices, fostering a strong engineering culture, and leading experimentation efforts for new ad products.
• Ensure high performance and reliability in ad delivery through efficient system design, data-driven optimizations, and industry-leading standards.
  
  

What We’re Looking For

We seek a passionate, innovative engineer who thrives in fast-paced, ambiguous environments and is eager to shape a high-impact product. The ideal candidate will have:

• Strong backend development skills, with expertise in distributed systems, cloud infrastructure, and performance optimization.
• A problem-solving mindset, with the ability to break down complex problems into scalable solutions and to convert the product requirements into a technical solution.
  
  

We Are a Match Because You Have

• 2+ years of experience as a fullstack engineer.
• Bachelor’s degree in Computer Science, Computer Engineering or equivalent combination of education and experience
• Experience in backend software engineering using object oriented language preferably Java
• Experience working with relational and non-relational databases
• Experience working with event-driven architectures, DDD, and TDD
• Mastery of some flavor of modern frontend frameworks and technologies like React, Redux, etc
• Experience in designing and building GraphQL APIs, including schema definition, resolvers, and efficient data fetching.
• Experience in Big Data technologies like Apache Kafka/Apache spark/Nosql databases
• Preferred experience in the CI/CD tools/platforms like Buildkite/Docker/Kubernetes.
• Experience with Cloud Native architecture platforms like Google Cloud, AWS, or Azure.
• Experience in developing applications using agentic workflows and AI tools.
• Experience in system monitoring using tools like DataDog etc.
  
  

We look forward to receiving your application!

Assistance For Individuals With Disabilities

Wayfair is fully committed to providing equal opportunities for all individuals, including individuals with disabilities. As part of this commitment, Wayfair will make reasonable accommodations to the known physical or mental limitations of qualified individuals with disabilities, unless doing so would impose an undue hardship on business operations. If you require a reasonable accommodation to participate in the job application or interview process, please let us know by completing our Accomodations for Applicants form.

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About Wayfair Inc.

Wayfair is one of the world’s largest online destinations for the home. Whether you work in our global headquarters in Boston, or in our warehouses or offices throughout the world, we’re reinventing the way people shop for their homes. Through our commitment to industry-leading technology and creative problem-solving, we are confident that Wayfair will be home to the most rewarding work of your career. If you’re looking for rapid growth, constant learning, and dynamic challenges, then you’ll find that amazing career opportunities are knocking.

No matter who you are, Wayfair is a place you can call home. We’re a community of innovators, risk-takers, and trailblazers who celebrate our differences, and know that our unique perspectives make us stronger, smarter, and well-positioned for success. We value and rely on the collective voices of our employees, customers, community, and suppliers to help guide us as we build a better Wayfair – and world – for all. Every voice, every perspective matters. That’s why we’re proud to be an equal opportunity employer. We do not discriminate on the basis of race, color, ethnicity, ancestry, religion, sex, national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, gender expression, veteran status, genetic information, or any other legally protected characteristic.

Your personal data is processed in accordance with our Candidate Privacy Notice (https://www.wayfair.com/careers/privacy). If you have any questions or wish to exercise your rights under applicable privacy and data protection laws, please contact us at [email protected].

The above base pay range may vary depending on location, job-related knowledge, skills and experience. For internal candidates, compensation determinations will be made based on your current position / level, your location, and the new position according to Wayfair's internal mobility policy. As you move through the internal interview process, your recruiter will be able to provide additional details regarding your specific compensation. Please note, the terms of internal offers, including the salary offered, are not negotiable.