Startup feel. Enterprise reach. UI and systems that people actually use.The OpportunityYou'd be joining a specialized engineering team embedded within a large, globally operating organization — the kind of setup where you get the camaraderie and ownership of a tight-knit group, while the systems you build quietly underpin operations at a scale most engineers never get close to.The team is close. People know each other, back each other, and take real pride in what they ship. There's no sprawling bureaucracy between you and the work — just focused engineers building robust enterprise tooling and polished interfaces that real users depend on every day.We're looking for a Principal .NET/C# Engineer who's equally comfortable deep in the stack and crafting smooth, production-grade UIs. You'll be owning automation pipelines, building enterprise solutions, and raising the quality bar on a platform that operates at global scale.What You'll Work OnDesign and implement automation pipelines for building, testing, and delivering enterprise solutions — including UI (WPF), messaging, data distribution, and collaboration tooling in C# and .NETCollaborate with core engineers, platform teams, and cross-functional stakeholders to architect and deliver robust enterprise infrastructureDrive DevOps maturity: CI/CD pipelines, code quality tooling,



and release methodology improvements across the SDLC ecosystemPartner with distributed teams across Canada and globally to deliver high-impact solutions at enterprise scaleWhat We're Looking ForMust-haves:Bachelor's in Computer Science, Computer Engineering, or a related fieldAdvanced C#/.NET skills — you write clean, maintainable, production-grade code and know the ecosystem deeply, including UI development best practices2+ years of experience building enterprise-scale solutionsStrong Linux fundamentals and hands-on experience with CI/CD toolingFluency with Agile/Scrum methodologyAnalytical mindset — you thrive in fast-paced environments where precision mattersExcellent communication skills (written and verbal)Nice-to-haves:Experience building automation for complex, high-throughput enterprise infrastructureFamiliarity with Java, C++, or PythonWhy Join UsClose-knit team with a collaborative, no-ego environment — your ideas get heard and acted onSpecialized team, broad reach — the infrastructure you build touches a global organizationCompetitive base, performance bonuses, versatile benefits, stock participationLeaders who invest in your development with coaching and real opportunitiesWork/life balance that actually works — flexible arrangements respectedReal autonomy on meaningful problems — not tickets, but craft #J-18808-Ljbffr

📌 Principal Software Engineer -.Net/C (Montreal)
🏢 The Mirillion Group
📍 Montreal