Full Stack Software Engineer III, Global Supplier Tech

Wayfair; Toronto; Hybrid; CAD 90,000 - 120,000; Full time

Job summary

Wayfair is seeking a passionate Full Stack Software Engineer III to join our Toronto Development Center. In this hybrid role, you will tackle complex engineering challenges in ad tech, contribute to innovative solutions, and collaborate closely with cross-functional teams. Ideal candidates will possess strong skills in Full Stack development and have experience with cloud native architecture. Enjoy a dynamic work environment with extensive health benefits, professional development opportunities, and a focus on work/life balance.

Benefits

Paid Time Off (PTO)

Full Health Benefits (Medical, Dental, Vision)

401K Matching

Tuition Reimbursement

Mental Health Support

Employee Discounts

Qualifications

• 5+ years of experience in Full Stack software engineering.
• Experience with large-scale ad tech systems.
• Mastery of modern frontend frameworks.

Responsibilities

• Design and develop enterprise-scale advertising technology.
• Solve complex engineering challenges related to ad performance.
• Collaborate across teams for integration and innovation.

Skills

Full Stack Development

Problem Solving

Cloud Infrastructure

Distributed Systems

Education

Bachelor's Degree in Computer Science or Engineering

Tools

Java

JavaScript

TypeScript

React

Docker

AWS

Job description

Full Stack Software Engineer III, Global Supplier Technology

This is a hybrid role that requires you to sit in our Toronto Development Center several days per week.

Who We Are

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

• Experience with large-scale ad tech systems (real-time bidding, programmatic advertising, ad serving, etc.).
• Strong Full Stack 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 solution and to convert the product requirements into a technical solution.

What You'll Do

As a Software Engineer III, 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:

• Solve complex engineering challenges related to ad serving, commercial break structures, and performance optimization at scale.
• 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.

We Are a Match Because

• 5+ years of experience in Full Stack software engineering using object oriented language and preferably Java, JavaScript/TypeScript
• 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)
• Health & Wellness:
  • Full Health Benefits (Medical, Dental, Vision, HSA/FSA)
  • Life Insurance
  • Disability Protection (Short Term & Long Term Disability)
  • Global Wellbeing: Gym/Fitness discounts
  • Mental Health Support (Global Mental Health, Global Wayhealthy Recordings)
  • Caregiver Services
• Financial Growth & Security:
  • 401K Matching (Employee Matching Program)
  • Tuition Reimbursement
  • Financial Health Education (Knowledge of Financial Education - KOFE)
  • Tax Advantaged Accounts
• Family Support:
  • Family Planning Support
  • Parental Leave
  • Global Surrogacy & Adoption Policy
• Professional Development & Recognition:
  • Rewards & Recognition
  • Global Employee Anniversary Awards
  • Paid Volunteer Work
• Unique Perks:
  • Employee Discount
  • U.S. Bluebikes Membership
  • Global Pod Outings
• Work/Life Balance:
  • Emphasizing a supportive & flexible work environmentthat 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].