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

Role overview

Qualifications

  • 5+ years of professional experience in full-stack software development
  • Strong proficiency in React, JavaScript, HTML, and CSS
  • Solid hands-on development experience with .NET (C#)
  • Hands-on professional experience using AI coding assistants and/or agentic development tools

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
  • Review, validate, and take full ownership of AI-generated code
  • Collaborate with cross-functional product and engineering teams to ship reliable new features

Key facts

Hard skills

Other skills

  • Collaboration

About the company

NIR-YU logo

NIR-YU

  • Staffing & Recruiting
  • Scaleup
  • 201–500
Nir-Yu specializes in helping Small and Medium Enterprises unlock the potential of their business. Our typical customer is worried about not being able to make enough progress on their product(s) or project(s) with their current team; they need additional team-members to deliver work on-time and with the required quality. Tight budgets also make it necessary to lower average wage costs, making it necessary to consider hiring internationally to lower costs. We help these companies by providing a bespoke service that finds and hires remote workers from Mexico, Colombia, Argentina, Chile, Brazil and other countries in LatAm based on the company’s specific job descriptions to work as an extension of their team and perform the required functions. Unlike many other companies, we don’t have a bench of contractors to be hired out, instead each team is hired specifically to meet specific requirements and to work exclusively as a remote employee.

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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.

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