Senior .Net Backend Developer (digital banking)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior .NET Backend Developer (Digital Banking) based in Canada. This is a senior-level backend engineering opportunity focused on building scalable, secure, and reliable solutions for digital banking environments. You will design and develop enterprise-grade APIs and services using modern .NET and Azure technologies. The role combines hands-on development with architectural thinking, technical problem-solving, and end-to-end ownership. You will work on complex, mission-critical projects involving digital banking platforms, integrations, and financial systems. Collaboration with product, design, DevOps, and engineering teams will be central to delivering high-quality solutions. The environment is Agile, consultative, and technology-driven, with opportunities to mentor peers and influence technical decisions. This is a 100% remote, full-time position for candidates based in Canada , offering competitive compensation and comprehensive benefits. Design, develop, and maintain scalable, secure, and reliable backend services and APIs using C#, .NET 6/7/8, and ASP.NET Core Web API . Translate complex business and technical requirements into practical, maintainable software solutions. Architect and implement enterprise systems using Clean Architecture, SOLID principles, microservices, and modern software design patterns . Build and document RESTful APIs, integrations, and services using Swagger/OpenAPI and secure authentication mechanisms. Develop solutions that integrate with digital banking platforms, core banking systems, and third-party financial services. Leverage Microsoft Azure services such as App Services, Functions, Service Bus, Key Vault, and Application Insights. Write clean, testable, and maintainable code, using automated testing frameworks such as xUnit and Moq . Participate in code reviews, architecture discussions, technical planning, and Agile ceremonies. Troubleshoot complex production issues, optimize application performance, and identify opportunities for continuous improvement. Contribute to CI/CD practices using Git and Azure DevOps , ensuring reliable and efficient software delivery. Provide technical guidance and mentorship to other developers while helping maintain strong engineering standards. Collaborate closely with product managers, designers, DevOps engineers, and other stakeholders across multiple projects. Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field. 5+ years of professional software development experience with C# and .NET Framework/Core. 3+ years of hands-on experience with .NET 6/7/8 and ASP.NET Core Web API . Professional services experience delivering complex, mission-critical projects involving digital banking platforms , such as Forge, Plumery, VeriPark, Temenos, or Backbase. Strong knowledge of Clean Architecture, SOLID principles, and microservices patterns . Hands-on experience with Azure cloud services , particularly App Services, Functions, Service Bus, Key Vault, and Application Insights. Strong experience designing and documenting RESTful APIs using Swagger/OpenAPI. Familiarity with AutoMapper, System.Text.Json, xUnit, and Moq . Knowledge of JWT/OAuth2, Azure AD, and secure role-based API development . Experience with Git and Azure DevOps CI/CD pipelines. Strong understanding of Agile methodologies, including Scrum and Kanban. Advanced SQL knowledge and experience with databases such as MySQL, PostgreSQL, or MS SQL Server . Strong debugging, performance optimization, analytical, and problem-solving skills. Excellent communication and collaboration abilities, with a proactive, consultative, and resourceful approach. Must be currently based in Canada and available for a 100% remote, full-time role. Nice to have: Experience in banking, financial services, or fintech. Experience integrating with core banking systems