Senior Fullstack Developer, C#/React

ShareGate

Senior Fullstack Developer building ShareGate’s Microsoft 365 migration web application with C#, React, and TypeScript. Integrating Microsoft APIs and shaping a greenfield product experience.

Posted 9/10/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$125,000 - CA$160,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack software development, particularly with React (TypeScript) and C# / .NET, while effectively collaborating with product and design teams to deliver high-quality user experiences. Proficient in integrating Microsoft APIs and utilizing AI-assisted development tools to enhance productivity and code quality.

Highest-signal resume keywords

Full-Stack DevelopmentReact (TypeScript)C# / .NETMicrosoft APIs IntegrationAI-Assisted Development Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentFrontend DevelopmentBackend DevelopmentReactTypeScriptC#.NETMicrosoft GraphAzure AD / Entra IDMSAL

Soft Skills

Clear CommunicationConstructive Challenge

Tools & Technologies

AI-Assisted Development ToolsClaudeGitHub Copilot

Industry Keywords

Product-Oriented EnvironmentUser ExperienceTechnical JudgmentCode ReviewMentorship

Tech Stack

Tools & technologies

Azure.NETReactTypeScript

About the role

Key responsibilities & impact

Build the new ShareGate Migrate web application from scratch
Ship full-stack features meeting quality, performance, and UX standards
Shape technical choices including libraries, API patterns, code structure, and test strategy
Translate user needs into shipped experiences in partnership with Product and Design
Integrate Microsoft APIs securely and reliably for migration and authentication scenarios
Anticipate technical risks and provide concrete solutions
Conduct code reviews and mentor teammates
Use AI-assisted development tools such as Claude and GitHub Copilot
Establish reusable technical patterns for future feature development
Bring ShareGate's migration capabilities into a fully web-based experience

Requirements

What you’ll need

5–10 years of experience in software development, ideally in a product-oriented environment
Strong knowledge of frontend development with React (TypeScript)
Experience in backend development with C# / .NET
Demonstrated ability to exercise strong technical judgment in a product context
Experience collaborating with product and design teams to deliver quality user experiences
Experience using AI tools in daily software development
Clear, direct communicator who can constructively challenge product decisions
Experience with Microsoft APIs (Microsoft Graph, Azure AD / Entra ID, MSAL) is an asset

Benefits

Comp & perks

Annual bonus program
LTIP program, share in Workleap's long-term growth
RRSP
Family health insurance
Telemedicine
Annual wellness budget
Flexible vacation policy
Remote work, with access to our Montreal office
In-person gatherings twice a year
Claude access, for everyone