
Principal Software Engineer, Matchmaking - Demonware (Vancouver)
- Vancouver, BC
- Permanent
- Temps-plein
Your MissionDemonware is looking for a talented new Principal Software Engineer to join our Matchmaking team!As part of the team, you'll be responsible for developing and operating the services that get our players into great games, optimizing the experience for engagement, fairness, and fun.You'll partner closely with studio engineers, data scientists, and product managers to evolve our matchmaking algorithms at massive scale, while delivering continuous improvements to player experience through innovation, data-driven iteration, and operational excellence.We're looking for someone who is a senior technical contributor that will be responsible for architecting, building, and optimizing those large-scale matchmaking systems, and who will lead high-impact initiatives from design to deployment, guide experimentation frameworks, and ensure our systems meet stringent reliability, scalability, and performance goals.What you bring to the table
- Partner with studios to architect, implement, and operate scalable, low-latency matchmaking services that handle millions of players daily.
- Lead design discussions, code reviews, and technical deep dives to maintain engineering excellence.
- Champion best practices in service architecture, performance optimization, and fault tolerance.
- Collaborate with data scientists to implement and operate A/B tests and analyze player experience metrics.
- Integrate real-time feedback loops and machine learning signals into matchmaking decision-making.
- Own services end-to-end: from development to deployment, monitoring, and incident response.
- Define and track SLOs, SLIs, and KPIs for matchmaking performance and player experience.
- Mentor and coach engineers across the matchmaking and wider Demonware engineering community.
- 15+ years of professional software development experience, with a track record of delivering large-scale distributed systems.
- Expertise in at least one backend language (Python preferred) and experienced with modern service frameworks and orchestration tools (e.g., Kubernetes, Docker).
- Expertise in C++.
- Proven ability to design, optimize, and operate real-time, high-throughput, low-latency systems.
- Strong background in algorithms, data structures, and performance tuning.
- Experience in experimentation platforms, heuristic optimization, or machine learning in production systems.
- Deep understanding of networking fundamentals, including latency management and connection quality metrics.
- Skilled in monitoring, observability, and incident response for production services.
- Experience with matchmaking systems or large-scale game services.
- Experience with game engines (Unreal Engine, Unity, etc.).
- Experience with Machine Learning and Data Analytics.
- Familiarity with multi-objective optimization, reinforcement learning, or similar advanced techniques.
- Extended health plan, including medical, dental, vision, life and AD&D insurance, for employees and their dependents, as well as disability insurance;
- RRSP with Company match, tuition reimbursement, charitable donation matching;
- Paid holidays and vacation, paid sick time, compassion and bereavement leaves, parental leave;
- Mental health & wellbeing programs, fitness programs, free and discounted games, and a variety of other benefit programs like supplemental life & critical illness, legal service, and others;
- If the Company requires that you move geographic locations for the job, then you may also be eligible for relocation assistance.
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