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Senior Backend Developer (C#/.NET)

  • Canada

Full-time

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Job details

Job type
Full-time
Experience
C#/.NET Experience: 4+ years of professional experience building enterprise backend systems using C# and .NET.
Posting language
English
Posted

Original job description

Senior Backend Developer (C#/.NET)

We are seeking a motivated Senior Backend Developer to join a global software development leader specializing in high-scale data synchronization and revenue-critical workflows. In this role, you will help evolve a mature, enterprise-grade platform that powers relationship engines for complex organizations globally.

We are looking for an engineer who thrives on ownership, brings clarity to complex backend problems, and values a collaborative environment where continuous learning and continuous delivery are part of the daily rhythm.

How You’ll Contribute

  • Core Platform Development: Build, maintain, and write reliable, well-tested C#/.NET code for a core platform handling massive data volumes.
  • Complex Problem Solving: Solve performance, high scalability, and data consistency challenges head-on.
  • Cross-Functional Collaboration: Partner directly with Product, QA, and customer-facing teams to resolve real-world enterprise integration issues.
  • Engineering Leadership: Raise the technical bar through thoughtful code reviews, mentoring junior engineers, and making pragmatic architectural decisions.
  • Platform Modernization: Contribute to ongoing architectural cleanups, modernizing services, and driving platform upgrades to ensure long-term system health.

What You Bring to the Table

  • C#/.NET Experience: 4+ years of professional experience building enterprise backend systems using C# and .NET.
  • System Design & OOP: Strong fundamentals in Object-Oriented Programming (OOP) and practical experience working with data-heavy, distributed systems.
  • Production Operations Savvy: Demonstrated experience debugging, monitoring, and operating production systems at scale (beyond greenfield development).
  • Tech Stack Proficiency: Comfort working with APIs, complex databases, and distributed backend microservices.
  • Communication Skills: Clear ability to articulate technical trade-offs to both technical peers and non-technical stakeholders.

Assets / Bonus Points

  • Experience working with modern .NET versions (.NET 6/8+).
  • Direct ownership or configuration of CI/CD pipelines.
  • Exposure to large-scale data synchronization platforms, CRM integrations, or Revenue Operations systems.

Perks & Total Rewards

  • Competitive Salary with Group RRSP / TFSA matching program.
  • 3 Weeks Paid Vacation to start + Paid Wellness Time for mental health and personal needs.
  • Volunteer PTO: Dedicated paid time off to support community charities of your choice.
  • Comprehensive Benefits: Extended health, dental, vision, and life insurance coverage.
  • Growth: Annual professional development allowance for career advancement.
More about this job

Responsibilities

Build and maintain reliable, well-tested C#/.NET services for a high-volume enterprise platform, addressing scalability, performance, and data consistency challenges. Collaborate with product, QA, and customer-facing teams, while contributing to code reviews, mentoring, architectural decisions, and platform modernization.

Requirements

Requires at least four years of professional experience building enterprise backend systems with C# and .NET, strong object-oriented programming and system design fundamentals, and experience with data-heavy distributed systems. Candidates should have production operations experience and be comfortable with APIs, complex databases, microservices, and communicating technical trade-offs; modern .NET, CI/CD ownership, and CRM or revenue operations exposure are assets.

Skills

  • C#
  • .NET
  • Object-Oriented Programming
  • Backend Development
  • System Design
  • Distributed Systems
  • Microservices
  • API Development
  • Database Management
  • Performance Optimization
  • Data Consistency
  • Production Debugging
  • Production Monitoring
  • Code Reviews
  • Mentoring
  • CI/CD

Benefits

  • Group RRSP Matching
  • TFSA Matching
  • Paid Vacation
  • Paid Wellness Time
  • Volunteer Paid Time Off
  • Extended Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Professional Development Allowance

Visa sponsorship

Not detected in the job text

Categories

  • Software
  • Technology
  • Engineering
  • Data & Analytics

Keywords

  • C#
  • .NET
  • .NET 6
  • .NET 8
  • Enterprise Backend Systems
  • High-Scale Data Synchronization
  • Revenue-Critical Workflows
  • Object-Oriented Programming
  • System Design
  • Distributed Systems
  • Microservices
  • APIs
  • Complex Databases
  • Data Consistency
  • Performance Optimization
  • Scalability
  • Production Debugging
  • Production Monitoring
  • Production Operations
  • Code Reviews
  • Mentoring
  • Architectural Decisions
  • Platform Modernization
  • CI/CD Pipelines
  • CRM Integrations
  • Revenue Operations
  • Enterprise Integrations

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