Senior .NET Engineer (#3907)

N-iX is looking for a Senior .NET Engineer to join one of our projects.

Our client is a fintech company developing innovative online services that help Canadians become more financially successful and secure. The product portfolio includes web and mobile solutions in the financial services and insurance sectors.

Responsibilities:

• Design and develop high-load REST APIs and microservices using .NET Core/C#, including business logic, server-side scripts, and integration interfaces
• Participate in solution design alongside architects and engineers; document and implement requirements within an Agile environmen
• Build integrations with external and internal systems (event buses, message brokers, iPaaS/ESB), focusing on scalability and reliability
• Optimize backend application performance, perform profiling, and enhance observability
• Develop unit and integration tests; contribute to improving automated testing frameworks
• Work on CI/CD pipelines (build/release), participate in release activities, and support multi-tier environments.

Requirements:

• At least 6 years of experience in .NET development
• Proficiency in .NET 8 / C# — advanced backend development experience
• Proficiency in REST API & Microservices architecture and implementation
• Strong knowledge of SQL Server & Entity Framework — database design and ORM usage
• Experience in CI/CD tools and pipelines (e.g., Azure DevOps, GitHub Actions, Jenkins)
• Experience with GCP
• Experience in Messaging systems — RabbitMQ, Kafka, or similar
• Unit and integration testing (e.g., xUnit, NUnit, Moq, etc.)
• Agile/Scrum team experience
• English level - upper-intermediate, Ukrainian - advanced or higher

Nice to have:

• Experience with monitoring/observability tools (e.g., ELK, Prometheus, Grafana).