Senior .NET Full-Stack Engineer: API & Cloud Innovator

SmartIMS Inc.; Wilmington (DE); On-site; USD 120,000 - 180,000; Full time

Job summary

SmartIMS Inc. is seeking a Senior .Net Full Stack Developer to join our Wilmington, DE team.

This long-term role requires deep expertise in C#, .NET Framework/Core, ASP.NET Core, and front-end technologies to deliver enterprise-scale applications. You will design and implement REST APIs, work with SQL Server and Snowflake data platforms, and contribute to microservices, DI, and cloud-based deployments using Azure or AWS.

Qualifications

• 10+ years experience in software development.
• Strong hands-on experience with C#, .NET Framework, .NET Core, and ASP.NET Core.
• Expertise in OOP, SOLID, and design patterns.
• Experience building REST APIs, web services, and enterprise apps.
• Knowledge of EF/EF Core and LINQ.
• Understanding of microservices and DI.

Responsibilities

• Develop and maintain full-stack .NET applications.
• Design robust REST services and integrate with frontend apps.
• Apply SOLID principles and patterns for scalable solutions.
• Collaborate in a microservices architecture and CI/CD workflows.
• Work with SQL Server and Snowflake for data operations.

Skills

C#

NET Framework

NET Core

ASP.NET Core

Object-oriented programming

SOLID principles

Design patterns

REST APIs

Web services

Entity Framework / EF Core

LINQ

Microservices

Dependency Injection

HTML5

CSS3

JavaScript

TypeScript

Angular

React

Responsive UI

REST API frontend integration

State management

Form validation

Performance optimization

SQL Server

SQL queries / Joins / CTEs

Snowflake

Data loading & transformation

Snowpipe / Streams

Git / GitHub

Azure DevOps

CI/CD pipelines

Cloud familiarity (Azure or AWS)

Unit testing (xUnit/NUnit/MSTest)

Agile development

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, or related discipline

Tools

Git/GitHub

Azure DevOps

CI/CD pipelines

Cloud services (Azure or AWS)

Job description

SmartIMS Inc. is seeking a Senior .Net Full Stack Developer to join our Wilmington, DE team.

This long-term role requires deep expertise in C#, .NET Framework/Core, ASP.NET Core, and front-end technologies to deliver enterprise-scale applications. You will design and implement REST APIs, work with SQL Server and Snowflake data platforms, and contribute to microservices, DI, and cloud-based deployments using Azure or AWS.