Senior .NET API Engineer (C#/ASP.NET Core)

BetterEngineer; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

BetterEngineer is seeking a seasoned software engineer to work on a US product team. You will modify APIs in a C# codebase, update the backing SQL Server or PostgreSQL database, and ensure changes are properly tested within the repo.

You will review pull requests, collaborate with teams calling the APIs, and use AI-assisted approaches to draft tests. This is typically a full-time remote role with US business hours from the Americas, offering stability and the chance to influence critical

Qualifications

• 5+ years as a software engineer required.
• Experience building APIs used by other teams.
• Experience in .NET/Azure environment beneficial.
• Strong code review and testing discipline.

Responsibilities

• Add and change APIs in an existing C# codebase.
• Update the database the service already uses.
• Cover the change with the test project in the repo.
• Review pull requests before they ship.
• Use AI tools to draft tests and a first pass of a C# change, then review the diff.
• Talk through the API with the teams that call it.
• Ship through their deploy, and be able to roll it back.

Skills

C#

ASP.NET Core

API development

English communication

Tools

SQL Server

PostgreSQL

Entity Framework

xUnit

NUnit

Job description

BetterEngineer is seeking a seasoned software engineer to work on a US product team. You will modify APIs in a C# codebase, update the backing SQL Server or PostgreSQL database, and ensure changes are properly tested within the repo.

You will review pull requests, collaborate with teams calling the APIs, and use AI-assisted approaches to draft tests. This is typically a full-time remote role with US business hours from the Americas, offering stability and the chance to influence critical