Hopper

Senior Backend Ads Engineer - HTS Media Services

Hopper4 months ago
Location

Toronto - Remote

Workplace

Remote

Type

Full Time

Salary

CAD 150,000 – 220,000

Level

Senior

Role

Backend Engineer

Posted

Nov 18, 2025

Full TimeRemoteSenior

The role

Summary

A senior-level backend engineering role at HTS Media (Hopper's advertising division) focused on designing and scaling high-performance, low-latency ad serving microservices. The ideal candidate will drive technical excellence in ad tech, building distributed systems that handle millions of real-time ad requests with exceptional performance and reliability.

What you'll do

Core Engine Development: Design and implement high-performance microservices for ad serving, targeting, and real-time bidding
Performance Optimization: Continuously improve system efficiency, reducing latency and enhancing throughput
System Reliability: Build fault-tolerant architectures with robust monitoring and failover mechanisms
Technical Leadership: Mentor junior engineers and drive architectural best practices
Cross-Functional Collaboration: Work closely with product managers, data engineers, and other teams to deliver impactful features

What we look for

Technical

System Architecture5+ years of experience designing distributed backend systems
Performance EngineeringProven ability to optimize high-throughput, low-latency services

Education

Computer ScienceBachelor's or Master's degree in Computer Science, Software Engineering, or related technical field

Experience

Ad Tech BackgroundDirect experience in advertising technology platforms
Cloud EngineeringExtensive experience with cloud infrastructure and scalable system design

Skills

Required skills

Distributed SystemsExperience designing and operating high-throughput, low-latency backend services
Ad TechDirect experience with ad serving, real-time bidding, and ad campaign management
Cloud ArchitectureProven track record of building scalable cloud-based systems
Performance OptimizationExpertise in identifying and eliminating system bottlenecks

Nice to have

MicroservicesExperience designing and implementing microservices architecture
High-Performance DatabasesAdvanced knowledge of database optimization and caching systems
System DesignDeep understanding of advanced system design principles

Compensation & benefits

Salary

CAD 150,000 – 220,000 (annual)

Stock options

Available

Benefits

Competitive Compensation

Competitive salary with pre-IPO equity package

Health Insurance

100% premium coverage for group insurance plan

Disability Coverage

Comprehensive life, short-term, and long-term disability coverage

Healthcare Benefits

HSA for medical and dental expenses, telemedicine services

Retirement Planning

RRSP plan with automatic pre-tax contributions

Flexible Work

Remote work with home office stipend and co-working space access

Time Off

Unlimited PTO with generous parental leave

Interview process

  1. 1
    Initial Screening — HR phone call to discuss background and role fit
  2. 2
    Technical Phone Screen — Technical interview focusing on system design and backend engineering skills
  3. 3
    Coding Challenge — Take-home assignment demonstrating system design and performance optimization
  4. 4
    Onsite Interviews — Series of technical and behavioral interviews with engineering team members
  5. 5
    System Design Interview — In-depth discussion of scalable architecture and ad tech challenges
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Hopper

Hopper

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Hopper is a travel booking app and online marketplace, leveraging data-driven technology to predict prices and help users book hotels, flights, and car rentals at the best rates.

Montreal, QC, CanadaFounded 2006hopper.com

Tech Stack

Languages
GoPython
Frameworks
gRPCKubernetes
Databases
RedisCassandra
Tools
PrometheusGrafana
Other
Machine Learning
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