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AI Engineer Services — LLM Integration & Multi-Agent Workflows | Excelle Escalada, GTA
My Services
What I do best

I build production AI systems and web platforms — end-to-end, from architecture to deployment. Based in Pickering, Ontario, serving clients across the GTA and remotely worldwide.

Production AI systems that ship
LLM Integration & AI Engineering

End-to-end AI engineering from prompt architecture to production deployment. I build systems using OpenAI, Azure OpenAI, Anthropic Claude, and ElevenLabs that handle real traffic and real costs.

OpenAI & Azure OpenAI

GPT-4, GPT-4o, and Azure model deployment with latency optimization

Anthropic Claude

Claude 3.5/4 integration for reasoning-heavy workflows

Prompt Engineering

Structured prompt architecture, testing, and versioning

AI SaaS Architecture

Billing, usage tracking, and defensively correct cost controls

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Orchestrate complex automation
Multi-Agent Workflow Design

Architecting multi-agent pipelines that coordinate LLMs, tools, and data sources to automate complex business processes end-to-end. From state management to tool-use patterns.

Agent Orchestration

Designing agent hierarchies and handoff protocols

Tool-Use Patterns

Function calling, API integration, and external tool coordination

State Management

Context windows, memory, and conversation persistence

Workflow Automation

End-to-end pipelines from input to validated output

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Performance-driven solutions
Web Development

High-performance websites and web applications built with Next.js, React, and TypeScript. I integrate AI capabilities into modern web stacks with performance and accessibility built in.

Next.js & React

App Router, Server Components, and modern React patterns

TypeScript

Type-safe code with robust architecture

Performance Optimization

Core Web Vitals, lazy loading, and edge caching

AI-Enhanced UX

Embedding LLM-powered features into web products

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Visibility in the AI era
SEO & Digital Marketing

Strategic SEO, GEO (Generative Engine Optimization), and AEO (Answer Engine Optimization) that drives visibility in both traditional search and AI-powered search engines.

SEO & GEO Strategy

Technical SEO optimized for AI crawlers and citations

Google Analytics (GA4)

Data analysis, reporting, and actionable insights

Google Ads Management

Campaign management for budgets up to $10k/month

AEO Optimization

Structured content for AI Overviews and answer engines

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Common Questions
What clients ask before we start

How much does LLM integration cost for a typical project?

Most production LLM integrations start at $8,000–$15,000 for a scoped MVP. Costs depend on model choice, expected traffic volume, and whether you need custom prompt engineering, billing infrastructure, or multi-agent orchestration. I provide transparent estimates with per-token cost projections before we start.

What is the difference between prompt engineering and fine-tuning?

Prompt engineering optimizes how you instruct a pre-trained model — faster to implement, lower cost, and sufficient for 80% of use cases. Fine-tuning retrains the model on your proprietary data — necessary when you need domain-specific behavior, brand voice consistency, or compliance with internal terminology.

Can you integrate AI into an existing Next.js or React app?

Yes. I specialize in embedding LLM capabilities into existing web applications without full rewrites. Common patterns include AI-powered search with RAG, document summarization widgets, conversational assistants, and automated content generation.

What is a multi-agent workflow, and when do I need one?

A multi-agent workflow coordinates multiple AI systems (or 'agents') that each handle a specific task — research, writing, fact-checking, formatting — and hand off work between them. You need one when a single LLM prompt cannot reliably solve your problem end-to-end.

Do you work with Toronto / GTA clients in person?

Yes. I'm based in Pickering, Ontario, and regularly meet clients across Toronto, Mississauga, Markham, and the broader GTA for workshops, architecture reviews, and sprint planning.

How do you prevent AI hallucination in production systems?

I use a defense-in-depth approach: constrained prompt templates, retrieval-augmented generation (RAG), post-generation validation layers, and human-in-the-loop workflows for high-stakes outputs.

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