Senior Full-Stack Ads Engineer - HTS Media Services

About HTS Media

HTS Media is Hopper’s advertising and media division, built to help travel brands, destinations, and suppliers connect with travelers  power advertising placements across Hopper’s app and through our B2B partner network, which includes global brands like Capital One Travel and Trip Advisor. Our mission is to build the travel industry’s leading retail media network, turning advertising into a major driver of profitability for Hopper and our partners, much like Instacart, Uber, and Amazon have done in their sectors.

We’re still in the early stages of our roadmap, yet HTS Media has already become one of Hopper’s fastest‑growing and most profitable business units. The engineering team plays a pivotal role in scaling the platform, ensuring our ad tech products deliver measurable impact for advertisers and seamless experiences for travelers.

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 Java script 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.

• Innovate on Ad Products:
  Lead the development of new ad features and formats, from concept to execution.
• Build on  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 Java script 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.

• 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 Java script/Type Script 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.

• Well‑funded and proven startup with large ambitions, competitive salary and the upsides of pre‑IPO equity packages.
• Unlimited PTO.
• Carrot Cash travel stipend.
• Access to co‑working space on demand through Flex Desk AND Work‑from‑home stipend.
• Generous parental leave, above industry standards.
• Entrepreneurial culture where pushing limits and taking risks is everyday business.
• Open communication with management and company leadership.
• Small, dynamic teams — massive impact. 100% employer‑paid Medical, Dental and Vision coverage for employees.
• Access to Disability & Life insurance.
• Health Reimbursement Account (HRA).
• DCA/ FSA and access to 401k plan.

At Hopper, we are on a mission to become the leading travel platform globally – powering Hopper’s mobile app, website and our B2B business HTS (Hopper Technology Solutions). By leveraging massive amounts of data and advanced machine…