What are the responsibilities and job description for the .Net developer position at Stellar Professionals LLC?
We are seeking a Senior .NET Programmer Analyst to contribute to the modernization of an enterprise tolling transaction platform undergoing a microservices rewrite. Operating within an Agile/Scrum environment, this contract role focuses on developing scalable backend services, constructing RESTful APIs, and optimizing data layers integrated with Azure cloud infrastructure.
You will collaborate closely with solution architects, SQL developers, cloud engineers, and API teams to transition legacy structures into high-performance, modular architectures.
Location & Work Arrangement
- City, State: Mechanicsville, VA
- Work Arrangement: Hybrid
- Interview Mode: Remote or In-Person
- Shift: EST
Key Responsibilities
Backend Development & Microservices Architecture
- Design, build, and maintain high-availability backend services and REST APIs using .NET Core and C#.
- Support the platform's modernization by breaking monolithic features into decoupled microservices and modular components.
- Write clean, maintainable code following established object-oriented programming (OOP) standards and design patterns.
Data Integration & Cloud Infrastructure
- Collaborate with database engineers to implement efficient data access patterns for SQL Server running on Azure VMs.
- Integrate backend applications with data pipelines and ETL processes like SSIS or Databricks.
- Leverage Azure DevOps or GitHub Pipelines for automated CI/CD deployments.
Agile Delivery & Quality Assurance
- Active participation in Agile/Scrum ceremonies, sprint planning, and backlog refinements.
- Debug, troubleshoot, and perform root-cause analysis on complex application layers.
Required Skills & Experience
| Skill Category | Requirement | Years of Exp. |
| Backend (.NET) | Enterprise app development using .NET Core & C#. | 7 Years |
| APIs & Microservices | Building REST APIs and microservices architectures. | 7 Years |
| Database & Cloud | Integrating with SQL Server hosted on Azure VMs. | 7 Years |
| DevOps | Managing CI/CD pipelines via Azure DevOps or GitHub. | 7 Years |
| Agile & OOP | Agile/Scrum delivery and strong OOP/Design Patterns. | 7 Years |
Preferred Qualifications
- IaC Tools: Hands-on experience with Terraform or related Infrastructure-as-Code tooling (5 years).
- Architecture: Familiarity with Domain-Driven Design (DDD) and distributed system environments (5 years).
- Data Engineering: Experience integrating backend applications with Databricks or SSIS ETL pipelines (3 years).
- Domain Experience: Prior exposure to tolling, intelligent transportation systems, or transaction processing platforms.