Senior .NET / Full Stack Developer

XTM International

. Build and maintain full-stack features end-to-end using C#/.NET Core APIs and modern frontend applications .

Posted 10/28/2026full-timeMontreal • CanadaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack development with a focus on C#, .NET Core, and modern frontend frameworks like Angular or React. Proficient in AI-driven development workflows and data security practices, with the ability to lead initiatives and share knowledge effectively.

Highest-signal resume keywords

Full-Stack DevelopmentC#/.NET CoreAI-Driven DevelopmentSQL ServerAzure or AWS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#.NET CoreWeb APIAngularReactTypeScriptAI-DLCSQL ServerAzureAWS

Soft Skills

Knowledge SharingCoachingJudgment

Tools & Technologies

Claude CodeCursorMCP

Industry Keywords

AI ToolsData SecurityAutomation InitiativesSoftware TestingCode Reviews

Tech Stack

Tools & technologies

AngularAWSAzureReactSQLTypeScript.NET

About the role

Key responsibilities & impact

Build and maintain full-stack features end-to-end using C#/.NET Core APIs and modern frontend applications
Use AI-driven development workflows to design, implement, test, and review software
Define how the engineering team applies AI tools and workflows
Apply and evolve the AI-DLC across the team, including practices, guardrails, standards, and reusable playbooks
Design and implement automation initiatives to improve team productivity and product quality
Contribute to MCP server setups connecting AI tools to internal systems
Help define data security practices for information shared with external AI services
Contribute to architecture decisions
Share knowledge through code reviews, pairing, and internal training
Lead AI initiatives and automation projects as a technical reference and multiplier for the team

Requirements

What you’ll need

5+ years of full-stack development experience
Strong C#, .NET Core, and Web API skills
Solid frontend experience with Angular, React, or TypeScript
Day-to-day AI-first development experience with Claude Code, Claude, Cursor, or similar tools
Hands-on experience with AI-driven development methods such as AI-DLC or equivalent
Clear judgment on where AI helps and where human control is needed
Experience with MCP or other methods of connecting AI tools to systems is an asset
Good judgment regarding AI data security and responsible use of AI tools
Experience with SQL Server and Azure or AWS
Ability to share knowledge and coach peers on AI-assisted workflows
Professional working proficiency in English and French

Benefits

Comp & perks

Meaningful work contributing to business outcomes and product/service development
Opportunities to innovate with AI and modern technology
Global career development opportunities
Collaboration with international, cross-disciplinary teams
Continuous learning and professional development
Competitive rewards and benefits supporting professional growth and personal wellbeing
Recruitment accommodations available upon request
Onboarding support for successful candidates