Senior AI-Driven .NET Full-Stack Engineer

XTM; Montreal; Hybrid; CAD 90,000 - 130,000; Full time

Job summary

XTM Montreal is seeking a Senior Full Stack Developer who works AI-first to design and ship features across .NET backend and modern frontend. You will drive AI-driven development practices (AI-DLC) and lead AI initiatives across the engineering team.

This hands-on role requires deep experience with C#, .NET Core, Angular/React, and AI tools like Claude/Cursor. You will mentor peers, shape architecture, and ensure secure AI integrations while collaborating in a hybrid onsite/remote setup.

Qualifications

• 5+ years of full-stack development experience, with strong C#, .NET Core, and Web API skills.
• Frontend experience with Angular (preferred), React, or TypeScript.
• Demonstrated, day-to-day experience working AI-first with Claude Code, Claude, Cursor, or similar tools, not just occasionally.
• Hands-on experience with AI-driven development methods (AI-DLC or equivalent), and a clear point of view on where AI helps and where it needs human control.
• Experience with MCP or other ways of connecting AI tools to systems is an asset.
• Good judgment on AI data security and responsible use of AI tools.
• Experience with SQL Server and with Azure or AWS.
• Ability to share knowledge and coach peers on AI-assisted workflows.
• Professional working proficiency in English and French.

Responsibilities

• Build and maintain full-stack features end-to-end: C#/.NET Core APIs and modern frontend applications (Angular, React, or TypeScript-based stacks).
• Use AI-driven development workflows daily to design, implement, test, and review software, and define how the team applies them.
• Apply and evolve the AI-DLC across the team: practices, guardrails, standards, and reusable playbooks.
• Design and implement automation initiatives that improve team productivity and product quality.
• Contribute to MCP server setups that connect AI tools to internal systems.
• Help define data security practices for information shared with external AI services.
• Contribute to architecture decisions and share knowledge through code reviews, pairing, and internal training.

Skills

C#/.NET Core

Web API

Angular

React

TypeScript

AI-first development

AI-DLC

MCP

AI data security

SQL Server

Azure

AWS

English & French

Tools

Claude Code

Claude

Cursor

MCP

Azure DevOps

Job description

XTM Montreal is seeking a Senior Full Stack Developer who works AI-first to design and ship features across .NET backend and modern frontend. You will drive AI-driven development practices (AI-DLC) and lead AI initiatives across the engineering team.

This hands-on role requires deep experience with C#, .NET Core, Angular/React, and AI tools like Claude/Cursor. You will mentor peers, shape architecture, and ensure secure AI integrations while collaborating in a hybrid onsite/remote setup.