Senior Full-Stack Developer / React Front-End Expert

Montréal, QC
Hybrid
Posted Oct 9, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Minimum education: Master’s degree
Posting language: English
Working hours: 40 hours per week
Seniority: Associate

Job summary

Design and develop high-performance React and TypeScript interfaces for real-time trading systems, while contributing to C# .NET Core microservices and APIs. Optimize streaming data and application performance, support trading desks, maintain CI/CD pipelines, and uphold software craftsmanship standards while coordinating with international teams.

Job details

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 Full-Stack Developer / React Front-End Lead (with strong C# Backend expertise). About the Role As part of an elite Capital Markets technology team, you will take ownership of mission-critical, data-intensive systems used in real time by global trading desks to track risk exposure and manage interest rate curves. This role is heavily focused on the front end (approximately 70% Front-End / 30% Back-End). We are looking for a true React and TypeScript expert capable of designing complex, highly responsive, and high-performance user interfaces. In parallel, you must possess solid, hands-on experience in C# .NET Core backend development to actively support backend teammates and ensure seamless end-to-end integration across services. Key Responsibilities Design, architect, and develop responsive, high-performance UI components using TypeScript and React for real-time trading applications. Actively collaborate on server-side microservices and APIs in C# .NET Core alongside the dedicated backend engineering team. Optimize render performance, state management, and real-time streaming data pipelines using SignalR, WebSockets, and Redux. Provide Tier-3 technical support and assistance to North American trading desks during active afternoon market sessions. Maintain and enhance continuous integration and deployment pipelines (CI/CD). Champion software craftsmanship standards: clean architecture, SOLID principles, comprehensive unit testing, and BDD practices. Coordinate and communicate effectively across international, multi-disciplinary delivery teams in North America, Europe, and Asia. Requirements Requirements & Candidate Profile Education & Experience: Master’s degree or higher in Computer Science (or equivalent field) with at least 7 to 8+ years of professional software engineering experience. Front-End Mastery: Recognized expert-level proficiency in React, TypeScript, Redux, asynchronous workflows, and modern web state management (Angular experience alone is insufficient). Back-End Competency: Proven production experience in C# / .NET Core development and API design. Technical Stack: Hands-on experience with SignalR, Kafka, AWS, Kubernetes, ELK, and Git in distributed environments. Engineering Excellence: Strong Software Craftsmanship mindset (SOLID design, Clean Code, TDD/BDD, automated testing). Domain Expertise: Prior background in Capital Markets, Corporate & Investment Banking, or front-office trading systems (Rates, Pricing, Risk) is strongly preferred. Language Skills: Fluent English is mandatory for global team collaboration; French is a valuable asset / nice to have Benefits Position Details & Conditions Location: Montreal, QC (Hybrid model). Contract Term: Initial 12-month contract (renewable, with potential transition 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.

What you’ll do

Requirements

Requires a master's degree or higher in Computer Science or an equivalent field and at least 7–8 years of professional software engineering experience. Candidates need expert React, TypeScript, and Redux skills, production C# .NET Core experience, familiarity with the listed distributed-systems technologies, and fluent English; capital markets experience is strongly preferred.