Senior .NET Back-End Engineer — 100% Remote SaaS

United States Digital Space LLC; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

100% Remote Work

Highly Competitive USD Pay

Paid Time Off

Work with Autonomy

Top American Companies

Job summary

United States Digital Space LLC is seeking a hands-on Senior .NET Engineer to design, build, and deliver scalable enterprise SaaS applications. You will tackle architectural challenges, develop modular backends, and own end-to-end code quality in a modern AI-assisted workflow.

You will work with Product Managers and cross-functional teams to translate business requirements into customer-centric features, leveraging C#, .NET Core, and SQL Server while embracing high standards for testing and

Qualifications

• 5+ years of enterprise or SaaS software development in C#, .NET Core, Web API, EF, and SQL Server.
• Strong OOP, design patterns, enterprise architecture, multithreading, and asynchronous programming.
• Experience with DDD, CQRS, and clean separation of business and data access layers.
• Daily use of AI coding assistants (e.g., Copilot, Claude) in development workflow.
• Familiarity with Angular (or modern frontend), Git, and CI/CD in an Agile setting.
• Excellent written and verbal English communication across distributed teams.

Responsibilities

• Deconstruct complex business problems into modular, clean solutions.
• Apply architectural patterns like DDD and CQRS to backend frameworks.
• Develop and maintain RESTful APIs and microservices with C#, .NET Core, Web API, and EF.
• Design and optimize SQL Server databases, including complex procedures, indexing, and performance tuning.
• Own testing across unit, integration, and performance testing in a Shift Left model.
• Leverage AI tools to accelerate code generation, refactoring, and documentation.
• Collaborate with Product Managers and cross-functional squads to translate requirements into features.

Skills

C#

NET Core

Web API

Entity Framework

SQL Server

Angular

Tools

Git

CI/CD

GitHub Copilot

Job description

United States Digital Space LLC is seeking a hands-on Senior .NET Engineer to design, build, and deliver scalable enterprise SaaS applications. You will tackle architectural challenges, develop modular backends, and own end-to-end code quality in a modern AI-assisted workflow.

You will work with Product Managers and cross-functional teams to translate business requirements into customer-centric features, leveraging C#, .NET Core, and SQL Server while embracing high standards for testing and