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Senior Backend Engineer


AdGear (belonging to the Samsung Ads business), is an Advertising Technology Company located in the heart of downtown Montreal. AdGear focuses on enabling brands to connect with Samsung TV audiences as they are exposed to digital media across all devices. Being part of an international company such as Samsung and doing business around the world means that we get to work on big complex projects with stakeholders and teams located around the globe. 

Samsung has developed a proprietary ad platform that leverages unique first-party TV data to help brands connect to their audience as they explore content across desktop, mobile, tablets and our SMART TVs. The Samsung Ad Platform delivers a high-quality audience targeting powered by three key components: first-party audience data at scale, data science, and brand-safe cross-device ad inventory.

What you'll do:

As a Backend Engineer, you will be responsible for designing, building, deploying, and maintaining components of a high-volume, distributed real-time bidding platform. This involves measuring and tuning high-performance, low-latency (soft-real-time) systems while working towards improved robustness and correctness. As a consequence, there will be opportunities to contribute to open source, conduct research and development, review code, and share knowledge.

You will be working with experienced, passionate programmers as part of the backend team within a broader engineering organization with a strong technical culture. The portfolio of some of our team members is available here:

You enjoy building things. You value craftsmanship in software. You enjoy reading code, and you're probably in the habit of reading the source for your dependencies.

Our tech stack includes a mixture of Erlang, C11, Rust, Go, Linux, Docker and Kubernetes.

Other things you probably enjoy or would be interested in learning

  • computer architecture and optimization, particularly x86-64 performance tweaking
  • distributed systems
  • operating systems, especially the Linux kernel networking stack
  • advanced data structures (succinct, probabilistic, multidimensional, et cetera)
  • compilers
  • formal methods
  • database implementation
  • mechanical sympathy, data-oriented design (performance)
  • functional programming
  • agile methodologies such as Scrum


As a senior member of the backend team, we expect you have an accumulated experience as a systems programmer and:

  • Have experience in multiple programming paradigms including functional programming 
  • Have a solid foundation in systems programming, computer science and software engineering
  • Mentor and grow the team through various channels (code review, talks, discussions, etc.)
  • Guide the direction of our technology stack to improve performance, scalability and maintainability
  • Maintain and improve existing services which include actively trying to pay back technical debt and extending their functionality
  • Participate in the design, implementation and testing of new services
  • Investigate and fix performance issues throughout our systems which include our services, dependencies and kernel usage
  • Criticize and improve our development processes and methodologies
  • Contribute to open source software to improve our external dependencies
  • Flesh out and iterate on requirements in collaboration with the product team
  • Get involved in and participate actively to the Scrum ceremonies


  • Quarterly open source day
  • In office kitchen stocked with snacks, drinks, coffee and monads 
  • Board games and Ping-Pong 
  • Company outings, roasts, and many more interesting things 
  • Yoga in the office once a week 
  • Referral bonus 
  • Discounts through the Samsung Employee Discounts website 
  • Perkopolis website with rebates, coupons and promotions. 
  • 100% Company-paid comprehensive extended health & dental coverage 
  • Travel, Life, and Short/Long term disability Insurance 
  • Group RRSP Matching Program up to 5% 
  • Group TFSA Program 


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