Mid-level SWE – .NET (C#) and React/JavaScript

Nir Yu; Mexico; On-site; PHP 5,511,329 - 7,960,808; Full time

Job summary

Nir Yu is seeking a talented Full Stack Software Engineer skilled in .NET (C#) and React/JavaScript. The role emphasizes partnering with AI-assisted coding and agentic development workflows to design, build, and validate high-quality solutions.

You will own end-to-end development, review AI-generated code for security and maintainability, and collaborate with cross-functional teams to ship reliable new features.

Qualifications

• 5+ years of professional experience in full-stack software development.
• Frontend: React, JavaScript, HTML, and CSS.
• Backend: .NET (C#).
• AI coding workflows: experience with AI pair-programming tools or autonomous coding agents.
• APIs & databases: RESTful APIs, third-party integrations, SQL/NoSQL design.
• Git and web security best practices.

Responsibilities

• Design, build, and maintain scalable web apps using .NET (C#) on the backend and React/JavaScript on the frontend.
• Leverage AI-assisted coding tools and agentic development workflows to accelerate design, implementation, and testing.
• Review, validate, and own AI-generated code to ensure security, accuracy, and maintainability before deployment.
• Perform code reviews, debug complex issues, optimize performance, and write clear technical docs.
• Collaborate with cross-functional product and engineering teams to ship reliable new features.

Skills

React

JavaScript

HTML

CSS

Git

AI tooling

Security best practices

English fluency

Education

Bachelor's degree in Computer Science

Tools

RESTful APIs

Docker

Kubernetes

Job description

The Role:

We are seeking a talented and motivated Full Stack Software Engineer skilled in .NET (C#) and React/JavaScript. The client's engineering team has deeply integrated AI-assisted coding and agentic development workflows into their day-to-day operations. They are looking for an engineer who effectively partners with AI tools to design, build, and validate high-quality solutions faster and more reliably.

Responsibilities:

• Design, build, and maintain scalable web applications using .NET (C#) on the backend and React/JavaScript on the frontend.
• Leverage AI-assisted coding tools and agentic development workflows as part of daily development to accelerate software design, implementation, and testing.
• Review, validate, and take full ownership of AI-generated code to guarantee standards for security, accuracy, and maintainability prior to deployment.
• Perform code reviews, debug complex issues, optimize performance, and maintain clear technical documentation.
• Collaborate with cross-functional product and engineering teams to ship reliable new features.

Requirements:

• Experience: 5+ years of professional experience in full-stack software development.
• Frontend: Strong proficiency in React, JavaScript, HTML, and CSS.
• Backend: Solid hands-on development experience with .NET (C#).
• AI Coding Workflows: Hands-on professional experience using AI coding assistants and/or agentic development tools (e.g., AI pair-programming tools, autonomous coding agents) to design, build, and debug software.
• APIs & Databases: Experience with RESTful APIs, third-party integrations, and database design (SQL/NoSQL).
• Tools: Proficiency with version control systems (Git) and knowledge of web development security best practices.
• Languages: Advanced / Fluent English.

Great to Have:

• Bachelor's degree in Computer Science or equivalent field.
• Experience extending or configuring AI agent workflows (custom prompts, tool integrations, multi-agent frameworks).
• Experience with major Cloud platforms (AWS, Azure, or GCP).
• Familiarity with containerization (Docker) and orchestration (Kubernetes).
• Understanding of CI/CD pipelines and DevOps principles.