FinTech C# Software Intern – Full-Stack & Trading

Scalp Trade LLC; Chicago (IL); On-site; USD 76,000 - 92,000; Part time

Job summary

Scalp Trade LLC is seeking a driven C# Software Developer Intern in Chicago, IL. You will work with senior engineers to build high-performance trading systems and fintech tools, gaining experience across backend, API design, and front-end interfaces in Windows and Linux environments.

You’ll learn SOLID principles, modern C# patterns, and how to translate trading concepts into efficient technical solutions while contributing to real trading operations.

Qualifications

• Strong Foundation in C#: OOP, async/await, .NET ecosystem.
• Core CS Fundamentals: data structures, algorithms, threading.
• Quick learner: pick up new tools with minimal guidance.
• Linux & Windows familiarity across platforms.
• Collaborative mindset: effective team communication and learning.

Responsibilities

• Develop trading components under mentorship for automated systems.
• Contribute to turning internal tools into market-ready products.
• Engage in full-stack development across backend, API design, and front-end interfaces.

Skills

C# fundamentals

CS fundamentals

Quick learner

Linux & Windows

Collaborative mindset

Multi-threaded programming

Web API development

Front-end development

SQL/NoSQL databases

DevOps basics

Tools

Git

CI/CD pipelines

Docker

Kubernetes

Windows Forms / WPF

Job description

Scalp Trade LLC is seeking a driven C# Software Developer Intern in Chicago, IL. You will work with senior engineers to build high-performance trading systems and fintech tools, gaining experience across backend, API design, and front-end interfaces in Windows and Linux environments.

You’ll learn SOLID principles, modern C# patterns, and how to translate trading concepts into efficient technical solutions while contributing to real trading operations.