Staff Security Engineer - Bot & Traffic Defence
Kitchener, ON +1Faire
Candidates need hands-on operational ownership of a CDN or edge security platform such as Cloudflare, Akamai, Fastly or AWS WAF, plus experience defending a high-traffic site against scraping and DDoS. They need working knowledge of bot detection signals, layer 7 rate limiting, quantitative detection measurement, and coding in Kotlin, Java, Python or TypeScript.
Cloudflare, Akamai, Fastly, AWS WAF, AWS CloudFront, Terraform
Staff Product Engineer - Ads Formats
Toronto, ONFaire
7+ YOECandidates need 7+ years of software engineering experience, including 3+ years as a technical leader, and deep experience building and scaling ad formats or similar content delivery systems. Strong backend system design, product sense and AI tooling skills are expected.
Kotlin, Java 16, Elasticsearch, FAISS, Redis, DynamoDB
Staff Engineer - Experimentation Platform
Kitchener, ON +1Faire
Candidates need extensive software engineering experience building experimentation or analytics platforms, especially in marketplace or e-commerce settings. They need deep knowledge of A/B testing and progressive delivery, and strong SQL skills.
Eppo, Snowflake, Databricks, Anomalo, Airflow, Spark
Staff Data Infrastructure Engineer
Kitchener, ON +1Faire
Candidates need deep experience running data infrastructure at scale, including change data capture, streaming ingestion, lakehouse architectures on open table formats, and Spark. They must also have strong SQL, Python, and AWS and Terraform skills, plus a track record of leading cross-team data initiatives.
Kafka, Apache Iceberg, Snowflake, Databricks, Apache Spark, Airflow
Senior Applied ML/AI Scientist - Search
Kitchener, ON +1Faire
3+ YOECandidates need 3+ years building production ML systems, ideally in search, recommendations or retrieval and relevance. They need strong Python, experience shipping models that serve real traffic, and depth in modern retrieval such as dual encoders, ANN serving and learning-to-rank.
Python
Senior Applied AI/ML Scientist - Compass
Kitchener, ON +1Faire
5+ YOECandidates need 5+ years building and shipping production ML or AI systems, including hands-on work on the applied science side. They also need experience shipping LLM-powered agent features, strong data science skills and cross-stack engineering range.
Python, Snowflake, OpenAI Agents SDK
Product Engineer - Ads
Toronto, ONFaire
2+ YOECandidates need 2+ years of full-time software engineering experience shipping production products, strong product judgment, and AI tools in their daily workflow. A background in ads, analytics, or data engineering is also required.
Reporting, Data engineering, Warehouse operations, React, Computer technology
Growth Platform, Marketing Engineer
Toronto, ONFaire
4+ YOECandidates need 4+ years of production software experience in a marketing, growth or GTM setting, SQL skills, and depth in a marketing platform such as Braze, Segment or a Google or Meta ad API. They must have experience putting LLMs into production with evals and monitoring, and a record of owning systems including on-call.
Kotlin, Java, React, Next.js, SQL, Braze
Customer Experience Associate (3 Month Fixed-Term Contract)
Kitchener, ONFaire
Candidates need prior customer service experience, ideally in phone support, with strong verbal communication and problem-solving skills. They must also be comfortable with CRM tools, self-managed in a remote setting, and able to meet the stated home office and internet requirements.
Zendesk, Kustomer, Salesforce