Mid-level Software Engineer - .NET (C#) and React/JavaScript

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Mid-level Software Engineer - .NET (C#) and React/JavaScript based in the United States. This is an opportunity for a mid-level full-stack engineer to contribute to a distributed engineering team building and maintaining modern software products.You will work across the application stack, developing backend services with .NET and C# alongside responsive frontend experiences using React and JavaScript.The role combines hands-on development with strong ownership of code quality, reliability, and technical decisions.You will also work with AI-assisted coding tools, reviewing and validating generated code to ensure it meets engineering standards.Your work will span feature development, testing, troubleshooting, production support, and peer collaboration.You will have the opportunity to learn new technologies while working alongside experienced engineers in a collaborative environment.This role is well suited to a proactive developer who enjoys solving technical problems and taking ownership from implementation through delivery.