Backend Developer Job Description
Key Responsibilities
- Develop and maintain enterprise-scale .NET applications using ASP.NET Core 9.0 and C#
- Design and implement RESTful APIs for biogas trading, inventory management, and regulatory reporting
- Build complex business logic for RINS credit calculations, LCFS compliance, and carbon credit trading
- Work with PostgreSQL databases and Entity Framework Core for data persistence
- Implement authentication and authorization using Azure Active Directory and Microsoft Identity Platform
- Develop email workflow systems and automated reporting for regulatory compliance
- Create scheduled background jobs using Quartz.NET for data processing and calculations
- Integrate with Microsoft Graph API for SharePoint document management via Azure MS Graph
- Build real-time features using SignalR for live trading updates
- Implement data validation using FluentValidation
- Work with Docker and OpenShift for containerized deployments
Required Technical Skills
- 5+ years of experience with .NET development (C#, ASP.NET Core)
- Strong experience with Entity Framework Core and PostgreSQL
- Proficiency in RESTful API design and OpenAPI/Swagger documentation
- Experience with authentication systems (OAuth2, JWT, Azure AD)
- Knowledge of containerization (Docker) and Kubernetes/OpenShift
- Experience with background job processing and scheduled tasks
- Understanding of SOLID principles and clean architecture
- Experience with unit testing (xUnit, FluentAssertions) and integration testing
- Knowledge of CI/CD pipelines and DevOps practices (ADO)
Preferred Qualifications
- Experience in energy trading or financial systems
- Knowledge of environmental compliance and carbon credit markets
- Familiarity with LCFS, RFS, or RINS regulatory frameworks
- Experience with Azure cloud services
- Knowledge of data processing and complex calculations
- Experience with Testcontainers for integration testing
Business Domain Knowledge
- Understanding of biogas and renewable natural gas (RNG) markets
- Knowledge of carbon credit trading and environmental attribute tracking
- Familiarity with petroleum industry regulations and fuel pathway reporting
- Experience with inventory management and supply chain tracking
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