Faire07/24/2026

Senior Product Engineer - Insider - Backend or Fullstack

Salary not specified
MARKET
15,900median for this role
Data Scientist · 115 jobs with disclosed pay
5,000half of the offers: 12,796–20,50043,793
The employer didn't disclose pay — compare with the market yourself.
Kitchener-Waterloo

Responsibilities

  • 01Own critical services in our Kotlin-based backend that power our Insider membership program
  • 02Collaborate cross-functionally with Data Science, Product, and Design to prototype, evaluate, and productionize improvements to the Insider user experience
  • 03Measure and iterate on program performance using experimentation and analytics, growing active Insiders, GMV per Insider, and enrollment rate
  • 04Reinforce Insider value across cart, checkout, discovery, and post-order surfaces so members consistently see and use the savings they’re entitled to
  • 05Mentor engineers and contribute to team best practices in design reviews, performance tuning, and system architecture

Requirements

  • 015+ years in backend systems, with marketplace a nice to have
  • 02Proficiency in Kotlin, Java, or similar object-oriented languages
  • 03Comfort with distributed systems, service design, and performance optimization
  • 04Experience integrating with ML-driven decision systems, experimentation frameworks, or real-time data pipelines
  • 05Strong communication skills and a track record of partnering with cross-functional stakeholders, from DS to PM, to deliver complex systems
  • 06Curiosity and a drive to understand complex market dynamics
  • 07Passion for applying data and algorithms to real-world business problems
  • 08Bachelor’s degree in Computer Science/Engineering or equivalent industry experience

What we offer

  • 01Salary range: Canada: $156,000 - $214,500 per year
  • 02Eligible for equity and benefits
  • 03Hybrid work: 3 days per week in office (Tuesdays, Thursdays, and a flex day)
  • 04Remote work flexibility: up to 4 weeks per year