Software Engineer II: AI-Driven Web Apps (C#/.NET & React)

ICE; Jacksonville (FL); On-site; USD 90,000 - 120,000; Full time

Job summary

Intercontinental Exchange, Inc. is seeking an experienced Software Developer (Level 2) to join our innovative development team.

You will contribute to the design and development of our applications while owning specific components and features in an AI-forward engineering culture. This role requires strong C#/.NET backend and React frontend skills, API development, testing, and collaboration with cross-functional teams.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 2–4+ years of professional software development experience.
• Strong knowledge of C# and the .NET ecosystem (e.g., .NET Core, ASP.NET Core).
• Experience with React and its ecosystem (hooks, state management).
• Proficiency with modern JavaScript (ES6+) and TypeScript.
• Experience with SQL and relational database concepts.
• Understanding of web application security principles.
• Experience with version control systems (Git).
• Familiarity with Agile development methodologies.
• Excellent communication and collaboration abilities.
• Comfort using Claude as a daily development tool for tasks such as code generation, debugging assistance, and documentation

Responsibilities

• Design, develop, and maintain web applications using C# and .NET for backend services and React for frontend development
• Implement new features and enhancements to existing functionality with moderate guidance
• Write clean, efficient, and maintainable code following best practices and team standards
• Create and maintain RESTful APIs and integrate them with React-based frontends
• Leverage Claude as a core development tool to accelerate workflows including code generation, documentation, and code review assistance
• Collaborate with cross-functional teams to understand requirements and deliver solutions
• Troubleshoot, debug, and resolve technical issues in both backend and frontend systems, using AI-assisted tools to diagnose and resolve issues faster
• Participate in code reviews, providing and receiving constructive feedback
• Write and maintain unit tests to ensure code quality and functionality, including AI-assisted test generation and coverage analysis
• Contribute to database design and development using SQL
• Stay current with relevant technologies, frameworks, and emerging AI/LLM capabilities relevant to the team’s stack
• Provide occasional guidance to junior developers, including sharing effective AI-assisted development practices

Skills

C# & .NET

React

JavaScript/TypeScript

SQL

Git

Agile

Problem solving

Communication

Education

Bachelor's degree in CS/EE

Tools

Azure DevOps

Docker

AWS

Spring Boot

Job description

Intercontinental Exchange, Inc. is seeking an experienced Software Developer (Level 2) to join our innovative development team.

You will contribute to the design and development of our applications while owning specific components and features in an AI-forward engineering culture. This role requires strong C#/.NET backend and React frontend skills, API development, testing, and collaboration with cross-functional teams.