About HTS Media HTS Media is Hopper’s advertising and media division, building an advertising platform for travel brands, destinations and suppliers. About the Role As a Senior Backend Engineer on the HTS Media team, you will be a core contributor to the engine that powers our entire advertising platform. You will design, build, and scale high‑throughput, low‑latency services that handle ad requests, run auctions and serve millions of relevant offers to travelers in real‑time. You will tackle complex challenges in ad tech, optimize real‑time bidding logic, ensure millisecond response times under heavy load, mentor engineers, drive architectural decisions and set the standard for high‑quality, scalable code. Responsibilities Build the Core Engine: Design, develop, and deploy high‑performance microservices for ad serving, targeting, and bidding. Optimize for Scale and Speed: Obsess over system performance, identify and eliminate bottlenecks to ensure low‑latency requirements. Ensure High Availability: Build resilient, fault‑tolerant systems and implement robust monitoring to maintain reliability. Drive Technical Excellence: Lead architectural discussions, conduct code reviews, champion best practices in software development. Collaborate for Impact: Partner closely with product managers, data engineers and the engineering team to ship cohesive, high‑impact features. Mentor and Lead: Provide technical guidance and mentorship to other engineers to level up the organization. Experience 5+ years of professional software development experience, focusing on distributed backend systems. Direct experience in ad tech or retail media is required, including familiarity with ad serving, real‑time bidding and campaign management. Proven track record of designing and operating high‑throughput, low‑latency services in a cloud environment. Strong experience with high‑performance databases and caching systems. Deep understanding of system design, data structures and algorithms. A strong sense of ownership and ability to thrive in a fast‑paced, entrepreneurial environment. Perks and benefits of working with us Well‑funded startup with competitive salary and pre‑IPO equity packages. Hopper covers 100% of premiums for group insurance plan. Life, short‑term and long‑term disability coverage. HSA covering eligible medical and dental expenses. Telemedicine services via Dialogue for employees and dependents. RRSP plan with automatic pre‑tax withdrawals per pay. Generous parental leave above industry standards. Unlimited PTO. Carrot Cash travel stipend. Access to coworking spaces and work‑from‑home stipend. Entrepreneurial culture that pushes limits and takes risks. Open communication with management and leadership. Small dynamic teams for massive impact. #J-18808-Ljbffr