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Senior Backend Developer

Ruri Software Technologies

 

Houston, Texas, USA

Posted On: 11 days ago
Experience: 5+ years
Availability: Hybrid
Openings: 1
Category: Senior Backend Developer
Tenure: Contract - Corp-to-Corp
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Description

  • 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 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 Qualifications

Experience:

  • 5+ years of experience with .NET development (C#, ASP.NET Core).
  • 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.

 

Education

Any Gradute

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