Full-Stack Developer

6 days ago

Montreal, Quebec, Canada VIREC Holdings Inc. Full time

Full-Stack Developer (Back-End Focused)

Location: Montreal, Canada (On-Site, Full-Time)

Salary Range: – 95 000$

Role Overview

Join the VIREC team to own and architect back-end systems using .NET 9 and C# within a microservices ecosystem. Design and implement scalable, resilient APIs and distributed services that power business-critical applications. Build and maintain front-end integrations using while maintaining primary focus on back-end architecture, service orchestration, and platform reliability.

Microservices Architecture and Design

  • Design, develop, and maintain microservices using .NET 9 and C# with clear domain boundaries and service contracts.
  • Implement event-driven architectures using message queues, pub/sub patterns, and asynchronous communication protocols.

API Development and Integration

  • Build RESTful and GraphQL APIs that serve web, mobile, and third-party consumers with consistent authentication and authorization.
  • Implement comprehensive input validation, rate limiting, and API gateway patterns to protect downstream services.
  • Develop integration layers for third-party systems, including handling webhooks, callbacks, and external API consumption.

Front-End Integration with

  • Build and maintain applications with server-side rendering (SSR) and static site generation (SSG) patterns.
  • Implement BFF (Backend for Frontend) patterns to optimize data fetching and reduce client-server round trips.

Data Layer and Persistence

  • Design database schemas using relational (SQL Server, PostgreSQL) and NoSQL databases appropriate to service requirements.
  • Build caching layers using Redis or in-memory caches to reduce database load and improve response times.

Security and Compliance

  • Implement secure coding practices including input sanitization, SQL injection prevention, and protection against common OWASP vulnerabilities.
  • Design authentication and authorization systems using OAuth 2.0, JWT, and identity providers (Azure AD, Auth0, etc.).

Qualifications and Experience

  • 4+ years of professional software development experience with strong focus on back-end systems and APIs.
  • Expert-level proficiency in .NET (Core/.NET 6+/9) and C# with demonstrated experience building production microservices.
  • Solid experience with and React, capable of implementing SSR/SSG patterns and optimizing front-end performance.
  • Strong understanding of database design, ORM frameworks (Entity Framework Core), and data access patterns.
  • Proficiency with message brokers (RabbitMQ, Azure Service Bus, Kafka) and event-driven architecture patterns.
  • Strong debugging skills and experience with APM tools, distributed tracing, and production incident management.
  • Excellent communication skills in English, as it is the primary working language within the engineering team and among stakeholders.

Job Types: Full-time, Permanent

Pay: $72,000.00-$95,000.00 per year

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