Senior C# .NET Backend Developer

At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor in Montreal currently experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend Developer.

About the Role

As part of a high-performing Capital Markets technology team, you will take full ownership of the server-side architecture and core services powering mission-critical financial applications. You will work on robust, data-centric systems used in real time by global trading desks to compute risk exposure and process complex interest rate curve models.

This is a pure backend engineering role. We are seeking a hardcore C# / .NET engineer who thrives on low-latency processing, distributed architectures, clean engineering practices, and high-throughput data pipelines.

Important Note: Profiles focused primarily on ASP.NET Web/Frontend fullstack development will not be considered. This role demands deep backend and systems-level expertise.

Key Responsibilities

• Architect, build, and optimize high-throughput, low-latency C# .NET Core backend services and distributed components.
  

• Enhance and scale real-time computation engines used for market risk tracking and interest rate curve generation.
  

• Collaborate closely with international cross-functional teams (Product, QA, Architecture, Global Trading Desks) across North America, Europe, and Asia.
  

• Provide tier-3 backend technical expertise and support for North American trading operations during active market hours.
  

• Enforce rigorous engineering standards: clean code, SOLID principles, comprehensive test coverage (TDD/BDD), and event-driven architectures.
  

• Continuously improve and automate CI/CD delivery pipelines, telemetry, and distributed messaging infrastructures.
  

Requirements

Candidate Profile & Technical Requirements

• Experience: Minimum 8+ years of dedicated backend software engineering experience with C# / .NET Core.
  

• Backend Mastery: Deep expertise in concurrent programming, multithreading, memory management, microservices, and high-performance server architectures.
  

• Technical Ecosystem: Proven production experience with event-driven and distributed systems using technologies such as Kafka, SignalR, APIs, Kubernetes, AWS, ELK, and Git.
  

• Craftsmanship: Strong Software Craftsmanship mindset (SOLID principles, clean architecture, unit/integration testing, BDD).
  

• Domain Knowledge: Prior experience in Capital Markets, investment banking, or financial derivatives (Fixed Income, Rates, FX, Risk systems) is strongly preferred.
  

• Languages: Fluent English is mandatory (daily collaboration with international teams); French is a valuable asset / nice to have.
  

Benefits

Position Details & Conditions

• Location: Montreal, QC (Hybrid model).
  

• Contract Duration: 12-month contract (renewable, with potential conversion to a permanent role).
  

• Start Date: ASAP.
  

• Work Authorization: Must be legally authorized to work in Canada (valid Canadian work permit, permanent residency, or citizenship).
  

• Relocation: A comprehensive relocation package is available for eligible candidates moving to Montreal.