Senior .NET Developer

Saicon; Overland Park (KS); On-site; USD 90,000 - 150,000; Full time

Job summary

Saicon is seeking a hands-on Senior .NET Developer in Overland Park, KS to design and build cloud-native applications using C#, .NET, and Azure. The role focuses on distributed microservices, RESTful APIs, and event-driven solutions with a strong emphasis on CQRS and DDD.

The position is contract-to-hire and requires onsite work in Overland Park, 3x weekly. Visa transfers or sponsorship are not offered. Work with ASP.NET, EF Core, SQL Server, and Angular-based frontend integrations.

Qualifications

• Strong hands-on experience with C#, .NET / .NET Core, and Microsoft Azure.
• Proven experience designing and developing microservices-based architectures.
• Experience with REST APIs, Azure Service Bus, and MassTransit.
• Practical experience with CQRS and Domain-Driven Design (DDD).
• Strong knowledge of EF Core and SQL Server.
• Experience with asynchronous programming, event-driven integration, and distributed systems.
• Ability to make sound technical decisions and collaborate across multiple engineering teams.

Responsibilities

• Design, develop, and maintain scalable applications and independently deployable microservices using C#, .NET, and Azure.
• Build RESTful APIs and define clear service contracts, message schemas, and integration strategies.
• Implement event-driven architectures and asynchronous messaging using Azure Service Bus and MassTransit.
• Apply CQRS and Domain-Driven Design (DDD) principles to create maintainable, loosely coupled solutions.
• Develop data access layers using EF Core and SQL Server, including efficient queries and data models.
• Build and integrate backend services with Angular-based frontend applications.
• Collaborate with architects and development teams to translate technical designs into implementation plans and minimize cross-service dependencies.
• Write clean, testable, maintainable code following SOLID principles and engineering best practices.

Skills

C#

.NET / .NET Core

Microsoft Azure

microservices

REST APIs

Azure Service Bus

MassTransit

CQRS

DDD

EF Core

SQL Server

async programming

SOLID principles

Tools

Azure Service Bus

MassTransit

Entity Framework Core

SQL Server

Job description

Our client is an Overland Park, KS tech client. They have an immediate need for a hands-on Senior .NET Developer to design and develop scalable, cloud-native applications using C#, .NET, and Microsoft Azure. The ideal candidate has strong experience building distributed microservices, RESTful APIs, and event-driven solutions.

• This is a contract-to-hire position and requires onsite work in Overland Park, 3x a week.
• Sorry, we are unable to consider anyone that requires any work visa transfer or sponsorship (now or at any point in the future)

Key Responsibilities

• Design, develop, and maintain scalable applications and independently deployable microservices using C#, .NET, and Azure.
• Build RESTful APIs and define clear service contracts, message schemas, and integration strategies.
• Implement event-driven architectures and asynchronous messaging using Azure Service Bus and MassTransit.
• Apply CQRS and Domain-Driven Design (DDD) principles to create maintainable, loosely coupled solutions.
• Develop data access layers using Entity Framework Core (EF Core) and SQL Server, including efficient queries and data models.
• Build and integrate backend services with Angular-based frontend applications.
• Collaborate with architects and development teams to translate technical designs into implementation plans and minimize cross-service dependencies.
• Write clean, testable, maintainable code following SOLID principles and engineering best practices.

Required Qualifications

• Strong hands-on experience with C#, .NET / .NET Core, and Microsoft Azure.
• Proven experience designing and developing microservices-based architectures.
• Experience with REST APIs, Azure Service Bus, and MassTransit.
• Practical experience with CQRS and Domain-Driven Design (DDD).
• Strong knowledge of Entity Framework Core and SQL Server.
• Experience with asynchronous programming, event-driven integration, and distributed systems.
• Ability to make sound technical decisions and collaborate across multiple engineering teams.