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AI Systems Architect

Job in Moncton, New Brunswick, Canada
Listing for: DarkRoast Design
Full Time position
Listed on 2026-08-05
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Software Architect
Job Description & How to Apply Below
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We’re building an AI intelligence infrastructure embedded inside a B2B platform used by consumer brands to manage creative work, assets, and workflows.
This infrastructure is designed to support a wide range of intelligent and intuitive product features, including (but not limited to) conversational interfaces, image generation, contextual recommendations, automation, analysis, and decision support.
This is not a chatbot project.
This is not a ChatGPT wrapper.
Senior AI Systems Architect  We’re looking for a senior AI Systems Architect to design the foundational intelligence layer that powers these capabilities in a way that is reliable, evolvable, and cost‑controlled.
Responsibilities  You will own the  design of the AI intelligence layer  and this includes:
Designing a clear  intelligence architecture  that supports multiple AI‑driven features
Defining a robust  memory taxonomy  (short‑term, long‑term, client‑level, org‑level, and meta memory)
Designing  RAG‑based retrieval systems  that serve different product use cases
Defining  retrieval + reasoning flows  that adapt to intent, context, and confidence
Establishing  failure handling and guardrail strategies  for production AI systems
Designing  idempotent AI workflows  for actions, updates, and automation
Establishing  cost controls, usage boundaries, and observability
Designing  evaluation and feedback loops  so intelligence improves through use
Deliverables   Memory schemas and retrieval strategies
Interface contracts and reference patterns for implementation
A  Phase‑2 build plan  outlining how intelligence evolves post‑MVP
What You'll Not Do   Building UI or frontend features
Acting as a generalist full‑stack developer
Shipping one‑off demos or prototypes
Writing large amounts of production code
Optimizing prompts in isolation from system design
Desired Profile   Have designed  AI intelligence systems inside real products
Think in terms of  systems, state, and failure modes
Are fluent in  RAG, memory design, and retrieval strategies
Care deeply about  idempotency, reliability, and cost control
Can guide engineers through  clear abstractions and contracts
Fractional / Contract
10–20 hours per week
Opportunity for full‑time employment

How to Apply

Examples of  production AI systems  you’ve architected
How you think about  memory, retrieval, and reasoning
Any diagrams, writing, or artifacts that show your system‑level thinking
Seniority level  Mid‑Senior level

Employment type

Contract
Job function  Engineering and Information Technology
Industries  Design Services

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