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Puzzle Software

We are a passionate team proven in Agile Software Development, who always strive towards new challenges & achievements.

AI Product Engineer, Games

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 11-50H1B No SponsorCompany SiteLinkedIn

Location

Canada

Posted

32 days ago

Salary

0

Seniority

Senior

Job Description

AI Product Engineer, Games

Puzzle Software

• Use AI to create new player experiences that wouldn’t be possible otherwise • Build and ship mobile game features in Unity (C#) for iOS and Android, including gameplay mechanics, onboarding flows, monetization experiments, and live-ops systems • Prototype and launch new game ideas quickly, moving from concept to playable builds in weeks, not months • Design and build AI-powered gameplay and product features, including content generation, personalization, and AI-driven mechanics • Design and implement AI systems and pipelines, including RAG, embeddings, tool use, and agents • Optimize AI systems for cost, latency, and scalability, including token usage, caching, and model selection • Develop and maintain backend systems for live games, including leaderboards, events, A/B testing infrastructure, and cloud services (GCP/Firebase) • Collaborate closely with designers and analysts to interpret player data and turn insights into gameplay improvements • Own the full lifecycle of your features, including implementation, analytics instrumentation, debugging, and performance optimization • Review code and maintain high engineering standards, including AI-generated code

Job Requirements

  • 3+ years of production software engineering experience, ideally with shipped mobile apps or games built in Unity (C#) for iOS and Android
  • Strong problem-solving ability, a hacker mindset, and deep object-oriented programming knowledge
  • Ability to write clean, maintainable code and move quickly without sacrificing quality
  • Experience integrating real AI features into products, not just using AI tools, but shipping or meaningfully prototyping model-driven functionality
  • Experience integrating LLMs into production systems using OpenAI, Anthropic, or open-source models
  • Strong intuition for how LLMs behave, including prompt design, failure modes, and output quality
  • Experience building and iterating on AI features using real user data
  • Experience with Python or JavaScript, cloud infrastructure/back-end systems, and Git
  • Comfort working in ambiguity and figuring things out without playbooks
  • Strong critical thinking, communication skills, and empathy for players
  • Nice to Have: Experience applying AI to gameplay systems, including procedural content generation or LLM-driven systems such as personalization, dialogue, level generation, or dynamic difficulty
  • Experience designing AI pipelines such as RAG, embeddings/vector search, and tool use/function calling
  • Experience fine-tuning or working with open-source models
  • Game design sensibility and a strong feel for what makes mechanics engaging
  • Experience with Python scripting for tooling, automation, or data pipelines
  • Experience optimizing Unity mobile performance, including memory profiling, draw call optimization, and frame-rate debugging
  • Experience shipping multiple mobile game titles.

Benefits

  • Health insurance
  • Professional development opportunities

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