Senior Software Engineer, Display Ads

Wayfair; Toronto; Hybrid; CAD 100,000 - 140,000; Full time

Job summary

Wayfair is seeking a Senior Software Engineer to revolutionize its video advertising platform. The ideal candidate will shape the architecture and execution of high-performance advertising solutions. With a solid background in cloud infrastructure and distributed systems, you’ll lead technical efforts and mentor teams in a dynamic environment that values innovation and scalable solutions.

Benefits

Paid Holidays

Paid Time Off (PTO)

Paid Sick Days

Health & Dental Benefits

Life Insurance

Disability Protection

Gym/Fitness discounts

Tuition Reimbursement

Qualifications

• 5+ years experience in backend software engineering using an object-oriented language.
• Experience with relational and non-relational databases.
• Proven ability to influence and lead teams.

Responsibilities

• Define and drive architecture for high-performance video ad serving solutions.
• Lead collaboration across engineering, product, and business teams.
• Guide technical direction on dynamic ad insertion and targeting strategies.

Skills

Cloud infrastructure

Distributed systems

Software architecture

Video advertising technologies

Event-driven architecture

Big Data technologies

Education

Bachelor’s degree in Computer Science

Tools

Java

React

Docker

Kubernetes

Job description

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 innovative advertising platform, enabling suppliers to maximize product visibility and drive sales across Wayfair US, Wayfair CA, and Wayfair Professional. Leveraging both internal and external technologies, DSS provides advanced ad placements that enhance the shopping experience while delivering measurable impact for brands.

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.
• Andy Phillips leads our DSS Engineering team
• Brijesh Sharma is the Associate Director for Supplier Advertising

As a Senior Software Engineer, you will play a pivotal role in shaping the technical vision, architecture, and execution of Wayfair’s next-generation video advertising platform. You will:

• Define and drive the architecture for scalable, high-performance video ad serving solutions.
• Make strategic technical decisions, balancing innovation, scalability, and operational efficiency.
• Lead cross-functional collaboration, working closely with engineering, product, and business teams to design and implement complex ad-serving workflows.
• Guide technical direction on areas such as dynamic ad insertion, targeting strategies, and advanced ad placement optimizations.
• Mentor and influence engineering teams, establishing best practices for software development, system reliability, and performance tuning.
• Evaluate and introduce new technologies, ensuring the platform is built with modern, forward-looking architecture that meets business needs at scale.

What We’re Looking For

We seek a technical leader and strategic thinker who can architect enterprise-scale systems and drive the evolution of Wayfair’s advertising platform. The ideal candidate will have:

• Deep expertise in distributed systems, cloud infrastructure, and large-scale ad tech (real-time bidding, programmatic advertising, ad serving, etc.).
• A strong background in software architecture, with experience designing high-availability, low-latency systems.
• Proven ability to influence and lead teams, with strong communication and mentorship skills.
• Experience with video advertising technologies, ad targeting, and auction-based ad models (preferred but not required).
• A track record of delivering high-impact, business-critical systems in a fast-paced environment.

We Are a Match Because You Have:

• 5+ years of experience architecting highly complex, interconnected systems that solved complex business problems
• 8+ years of experience in backend software engineering using object oriented language and preferably Java
• Bachelor’s degree in Computer Science, Computer Engineering or equivalent combination of education and experience
• 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 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 system monitoring using tools like DataDog etc.

Why You'll Love Wayfair

• Time Off:
• Paid Holidays
• Paid Time Off (PTO)
• Paid Sick Days

• Health & Wellness:
• Health & DentalBenefits
• Life Insurance
• Disability Protection (Short Term & Long Term Disability)
• Global Wellbeing: Gym/Fitness discounts (including Peloton, Global ClassPass,)
• Mental Health Support (Global Mental Health, Global Wayhealthy Recordings)
• Caregiver Services
• Financial Growth & Security:
• RRSP (Registered Retirement Savings Plan)
• Tuition Reimbursement
• Family Support:
• Parental Leave Top-Up Program
• Global Surrogacy & Adoption Policy
• Professional Development & Recognition:
• Rewards & Recognition
• Global Employee Anniversary Awards
• Paid Volunteer Work
• Unique Perks:
• Employee Discount
• Global Pod Outings
• Work/Life Balance:
• Emphasizing a supportive & flexible work environment that encourages a balance between personal and professional commitments

We are looking forward to your application!

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 [e-mail].