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About the Role

We are seeking an experienced Senior .NET Developer to join the CSMS modernization team. You will design, develop, and maintain mission-critical microservices and applications that support child support case management operations. The role requires strong experience in microservices architecture — building, deploying, and maintaining loosely coupled, independently deployable services. Your work will span web application development, REST API services, batch processing, and system integrations within a cloud-native environment.

Responsibilities

Design, develop, and maintain microservices using ASP.NET Core, following domain-driven design and service decomposition best practices
Build and deploy loosely coupled, independently deployable services with well-defined API contracts
Develop scalable web applications, RESTful APIs, background/worker services, and integration services for the application platform
Develop and optimize batch and scheduled jobs (Hangfire, Quartz.NET, or Azure Functions) for high-volume data processing, reporting, and scheduled workflows
Implement data access layers using Entity Framework Core against SQL Server or PostgreSQL databases
Manage inter-service communication patterns including synchronous REST calls and asynchronous messaging
Collaborate with architects and business analysts to translate requirements into technical solutions
Participate in code reviews, enforce coding standards, and mentor junior developers
Troubleshoot application issues and provide timely resolutions across distributed microservices
Contribute to CI/CD pipeline improvements and deployment automation for microservices
Write unit and integration tests to ensure code quality and reliability
Work with cross-functional teams on system integration efforts including third-party and inter-agency data exchanges

Requirements

7+ years of professional .NET development experience
Strong proficiency in C# and .NET 8 (records, pattern matching, async/await, minimal APIs, latest language features)
Proven experience designing and building microservices architectures — service decomposition, API gateway patterns, service discovery, and distributed configuration
Extensive experience with ASP.NET Core and the .NET ecosystem (Web API, MVC, dependency injection, middleware, Identity)
Hands-on experience with batch/background processing frameworks (Hangfire, Quartz.NET, or Azure Functions) for large-scale processing
Solid understanding of Entity Framework Core for ORM and database interaction
Experience with SQL Server, PostgreSQL, or similar relational databases
Proven track record of building and consuming RESTful APIs with proper versioning and contract-first design
Experience with inter-service communication patterns (REST, messaging queues, event-driven)
Experience deploying and operating microservices on Azure (App Service, AKS, Azure SQL, Blob Storage, Service Bus, Azure Functions) or AWS equivalents
Familiarity with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins, or similar) for microservices deployment pipelines
Strong understanding of software design patterns, SOLID principles, and clean code practices
Experience with Git version control and collaborative development workflows
Understanding of distributed system concerns: fault tolerance, circuit breakers, retries, and observability
Experience with government or public sector projects
Hands-on experience with microservices patterns such as saga, CQRS, event sourcing, and API composition
Familiarity with service mesh technologies
Experience with containerization (Docker) and orchestration (Kubernetes/AKS) for microservices deployment
Knowledge of message-driven architecture (Azure Service Bus, RabbitMQ, Kafka) for asynchronous inter-service communication
Knowledge of API gateway solutions (Azure API Management, Ocelot, YARP)
Experience with centralized logging and distributed tracing across microservices (Application Insights, Serilog, Splunk, Datadog, OpenTelemetry)
Knowledge of infrastructure-as-code (Terraform, Bicep, ARM templates)
Understanding of OAuth2/OpenID Connect for securing microservices (Azure AD / Entra ID, IdentityServer, Duende)
Knowledge of database-per-service patterns and database migration tools (EF Core Migrations, FluentMigrator, etc.)

Skills

C#
.NET 8
ASP.NET Core
Microservices Architecture
RESTful APIs
Entity Framework Core
SQL Server
PostgreSQL
Hangfire
Quartz.NET
Azure Functions
Azure DevOps
GitHub Actions
Jenkins
Git
Docker
Kubernetes
AKS
Azure Service Bus
RabbitMQ
Kafka
Azure API Management
Ocelot
YARP
Application Insights
Serilog
Splunk
Datadog
OpenTelemetry
Terraform
Bicep
ARM templates
OAuth2
OpenID Connect
Azure AD
Entra ID
IdentityServer
Duende
EF Core Migrations
FluentMigrator

Location

Albany

Work Type

Remote
Hybrid

Experience Level

Senior