Senior .NET Back-End Engineer | Clean Architecture, Remote

Ulvior; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Niuro is seeking a senior backend developer to migrate legacy logic to modern .NET 8+ Web APIs, using Clean Architecture, Domain, Application, and Infrastructure layers. The role centers on building robust services with strong security and scalable data access.

You will work in a 100% remote model with global teams, contributing to high-impact industrial data projects and ongoing career development. Successful candidates join a culture of technical excellence and innovation.

Qualifications

• 5+ years of professional backend experience in .NET/C#.
• C1 English level or higher.
• Proven experience with Clean Architecture and CQRS (MediatR or similar).
• Strong MySQL expertise with Dapper and EF Core for domain management.
• Hands-on AWS experience: Fargate, RDS and testing.

Responsibilities

• Migrate complex legacy business logic to modern .NET 8+ Web APIs following Clean Architecture principles (Domain, Application, Infrastructure)
• Design and implement secure, robust APIs with strict authentication flows and compliance-mandated session timeouts
• Optimize MySQL data access: Dapper for performance-critical paths, EF Core for standard domain operations
• Define clear API contracts for frontend integration and payment provider connectivity (Braintree/Paymentech)

Skills

.NET 8+

C#

Clean Architecture

CQRS

MediatR

MySQL

Dapper

EF Core

AWS Fargate

AWS RDS

Tools

Redis

Amazon SQS

RabbitMQ

Job description

Niuro is seeking a senior backend developer to migrate legacy logic to modern .NET 8+ Web APIs, using Clean Architecture, Domain, Application, and Infrastructure layers. The role centers on building robust services with strong security and scalable data access.

You will work in a 100% remote model with global teams, contributing to high-impact industrial data projects and ongoing career development. Successful candidates join a culture of technical excellence and innovation.