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Hopper Logo Hopper · IT - Software Development

Senior Full-Stack Ads Engineer

Canada, Toronto · Job Posted February 21, 2026
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Job Description

As a Senior Full-Stack Engineer on the HTS Media team, you will be a key driver of innovation for our advertising products. Your core mission will be to build and test new ad experiences, owning the technology that delivers these features to travelers across the web. You will use Hopper's own website as an innovation lab, rapidly implementing and iterating on new ad formats and features to prove their effectiveness. You will then help package these successful innovations for our B2B partners by developing user-facing ad products, contributing to our Javascript SDK, and building the robust APIs that power everything. This role requires a product-minded engineer who is passionate about creating seamless user experiences and comfortable working across the full technology stack, from client-side rendering to backend API logic.

Job Responsibility

  • Innovate on Ad Products: Lead the development of new ad features and formats, from concept to execution
  • Build on Hopper.com: Implement and test new ad experiences on Hopper’s website, serving as the proving ground for features that will be scaled to our partners
  • Develop Core APIs: Design, build, and maintain the scalable APIs that serve ad content, handle user interactions, and collect performance metrics
  • Contribute to Partner Integrations: Apply your expertise to the development of our client-side Javascript SDK, helping our partners seamlessly integrate HTS Media ad products
  • Drive Technical Excellence: Set the standard for high-quality code, performance, and reliability for all our web-facing technologies
  • Collaborate and Mentor: Work closely with product, design, and other engineers to ship high-impact solutions and provide technical guidance to the team

Requirements

  • 5+ years of experience in full-stack development, with a proven track record of building and shipping complex, user-facing web applications
  • Expertise in a modern backend language (e.g., Python, Node.js, Go) and a modern front-end framework (e.g., React, Vue, Svelte)
  • Deep proficiency in Javascript/TypeScript and a strong understanding of the web ecosystem (browsers, performance, security)
  • Strong experience designing and building robust APIs
  • A product-centric mindset with a passion for building delightful and impactful user experiences
  • Excellent communication skills and the ability to thrive in a collaborative, fast-paced environment

What we offer

  • Well-funded and proven startup with large ambitions, competitive salary and upsides of pre-IPO equity packages
  • Hopper covers 100% of the premiums for group insurance plan
  • Hopper offers life, short term and long term disability coverage
  • HSA that covers eligible medical and dental expenses
  • All employees and dependents have access to Dialogue’s telemedicine services, anytime, anywhere
  • All employees have access to an RRSP plan with automatic pre-tax withdrawals per pay
  • Very generous parental leave, much above industry standards
  • Unlimited PTO
  • Carrot Cash travel stipend
  • Access to co-working space on demand through FlexDesk AND Work-from-home stipend
  • Entrepreneurial culture where pushing limits and taking risks is everyday business
  • Open communication with management and company leadership
  • Small, dynamic teams = massive impact
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