Job Title: C#.Net Fullstack engineer ( 50% front end and 50% backend)

Location: Canada, Remote Duration: Long term contract Key Areas: C#.Net, C# Backend, Azure, Next.JS, React.JS, Node.JS Must have: AI / LLM Integration, Event-Driven / Messaging, CosmosDB or Document Database Design, Real Next.js Experience We’re looking for an engineer with hands‑on, production experience integrating LLM APIs (OpenAI, Azure OpenAI, Anthropic). You should be able to design end‑to‑end AI pipelines, including: Streaming responses Advanced prompt engineering Output evaluation and hallucination mitigation Human‑in‑the‑loop workflows Document‑processing and retrieval‑augmented pipelines Daily use of AI‑assisted development tools (Copilot, Claude Code, Cursor) is expected. .NET Backend Development Strong experience building backend services in .NET (C#), including: API and microservice design Async processing and streaming endpoints Integrating .NET services with LLM providers Clean architecture and modern .NET patterns Experience pairing Next.js frontends with .NET backends is a plus.

Architectural Strength

Ability to design and explain system‑level architecture, trade‑offs, and long‑term implications. Experience building distributed, scalable systems is important.

Event‑Driven / Messaging Systems

Practical experience with event‑driven workflows using Azure Service Bus, RabbitMQ, or similar. Familiarity with asynchronous processing, retries, and distributed coordination.

Cosmos DB / NoSQL

Comfort designing document‑oriented data models, including partitioning, indexing, and performance tuning in Cosmos DB or equivalent NoSQL stores.

Next.js (App Router)

Hands‑on experience with modern Next.js features: App Router Server Components Server Actions Streaming UI patterns