Senior AI Engineer - Production LLMs, Remote

Software Directory; Canada; Remote; CAD 120,000 - 180,000; Full time

Job summary

Nesto Group in Canada is seeking a senior software engineer to lead AI-enabled features for Maestro, our AI underwriting and lending engine. You will own end-to-end development of backend services, design agent-based workflows, and optimize pipelines using Python and LLMs in production.

The role emphasizes mentoring, architecture decisions, and fast iteration with deterministic rules and AI perception. You’ll collaborate with cross-functional teams, ship code faster with AI tooling, and help set

Qualifications

• 5+ years of professional software development experience.
• Strong Python skills and production experience with LLMs.
• A data science, data analysis, or statistics background.
• Experience with model implementation, monitoring, and evaluation.
• Solid software engineering fundamentals, including testing, design patterns, and agile practices.
• Comfort with AI‑assisted development tooling and agent‑based workflows.
• Experience leading projects or stepping into a technical lead role.

Responsibilities

• Lead major features and projects end-to-end, surfacing trade-offs clearly so delivery stays on track without compromising quality.
• Design and optimize agentic AI workflows that combine deterministic rules with LLM perception, embedding search, and structured output extraction.
• Build and own evaluation pipelines, including golden sets, offline and online evals, and regression tracking, to measure model quality over time.
• Shape architecture decisions for the AI agent platform, setting high technical standards through code reviews and collaborative problem-solving.
• Use AI tooling and agent harnesses to write and ship code faster, so the team can keep pace with its deadlines.
• Mentor peers and collaborate with cross-functional teammates to hit delivery timelines.

Skills

Python

LLMs

Data science

API development

Testing

Agile

Leadership

Tools

LangChain

LlamaIndex

Vector databases

Document intelligence

Job description

Nesto Group in Canada is seeking a senior software engineer to lead AI-enabled features for Maestro, our AI underwriting and lending engine. You will own end-to-end development of backend services, design agent-based workflows, and optimize pipelines using Python and LLMs in production.

The role emphasizes mentoring, architecture decisions, and fast iteration with deterministic rules and AI perception. You’ll collaborate with cross-functional teams, ship code faster with AI tooling, and help set