Backend Engineer (AI)

TL;DR

Backend Engineer (AI): Optimizing and scaling search applications and infrastructure to ensure fast, reliable, and intelligent search experiences. Focus on performance monitoring, optimization strategies, and infrastructure enhancements to enhance document understanding capabilities and support the development of new tool surfaces for agentic users.

Location: Remote (Toronto; Canada; Europe; Montreal; New York; Ottawa; United Kingdom; United States)

Company

hirify.global is training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation, semantic search, RAG, and agents.

What you will do

• Implement performance monitoring and optimization strategies for Compass search services and the integration with North.
• Develop and maintain benchmarking frameworks to evaluate search model performance and infrastructure efficiency.
• Collaborate with modeling teams to optimize search models for faster response times and reduced resource consumption.
• Work on scaling the search services while maintaining high availability and low latency.
• Partner with product teams to translate performance requirements into technical implementations.
• Develop and optimize new tool surfaces for agentic search experiences.

Requirements

• Proficiency in Python and backend search technologies (OpenSearch, ElasticSearch, Weaviate, FastAPI).
• Experience with data or evaluation pipelines and performance benchmarking.
• Experience profiling applications hosted on a mix of CPU, GPU, and autoscaled compute nodes.
• Ability to communicate technical performance metrics effectively to cross-functional teams.
• 4+ years of experience contributing to production environments.

Nice to have

• Experience with Kubernetes, Helm, and infrastructure deployment.
• Familiarity with GPU-based model inference optimization (ONNX, Triton, vLLM).
• History working in the search and discovery domain.

Culture & Benefits

• An open and inclusive culture and work environment.
• Work closely with a team on the cutting edge of AI research.
• Weekly lunch stipend, in-office lunches & snacks.
• Full health and dental benefits, including a separate budget to take care of your mental health.
• 100% Parental Leave top-up for up to 6 months.
• Remote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend.