Software Engineer, Senior (.NET / React)

ARCHER; Atlanta (GA); On-site; USD 120,000 - 180,000; Full time

Job summary

ARCHER is seeking a senior software engineer to design, develop, test, and maintain configurable, enterprise-scale SaaS software using C#, .NET, TypeScript, and React. You will collaborate on architecture and technical decisions and help improve code, including AI-generated contributions.

Ideal candidates have 8+ years of experience with C#/.NET and front-end JS frameworks, strong full-stack and REST API skills, and a track record in SaaS, cloud, Agile, and CI/CD environments.

Qualifications

• 8+ years of experience developing applications with C# and .NET.
• Experience building front-end applications using TypeScript and React.
• Strong fundamentals in software engineering, full-stack and REST APIs.
• Ability to debug, review, analyze, and improve code; SaaS, configurable apps, AI-assisted development, Agile, cloud, and CI/CD preferred.

Responsibilities

• Design, develop, test, and maintain configurable, enterprise-scale SaaS software using C#, .NET, TypeScript, and React.
• Collaborate on architecture and technical decisions, review and improve code—including AI-generated code—and troubleshoot issues while building reusable components.
• Support engineering knowledge sharing and contribute to best practices across the team.

Skills

C#

.NET

TypeScript

React

Full-Stack Development

REST APIs

OOP Design

Data Structures

Design Patterns

Code Reviews

Debugging

Software Architecture

SaaS Development

AI-Assisted Dev

CI/CD

AWS

Tools

Git

CI/CD pipelines

Job description

Design, develop, test, and maintain configurable, enterprise-scale SaaS software using C#, .NET, TypeScript, and React. Collaborate on architecture and technical decisions, review and improve code—including AI-generated code—and troubleshoot issues while building reusable components and supporting engineering knowledge sharing.

Requirements:

Candidates need 8 or more years of experience developing applications with C# and .NET, along with experience building front-end applications using TypeScript and React. They should have strong software engineering fundamentals, full-stack and REST API experience, and the ability to debug, review, analyze, and improve code; SaaS, configurable applications, AI-assisted development, Agile, cloud, and CI/CD experience are preferred.

Key Skills:

• C#
• .NET
• TypeScript
• React
• Full-Stack Development
• REST APIs
• Object-Oriented Design
• Data Structures
• Design Patterns
• Code Reviews
• Debugging
• Software Architecture
• SaaS Development
• AI-Assisted Software Development
• CI/CD
• AWS