Mid-level Software Engineer/ C# and C++

A Chicago based proprietary trading firm is expanding its engineering team and seeking a Software Engineer with strong C#, C , and Linux experience. This is a full time role supporting and evolving internal systems used in a live trading environment. Engineers work closely with the business while maintaining high standards for performance, reliability, and maintainability.

This team prioritizes stability, thoughtful engineering, and long term system ownership over rapid churn. The role is ideal for a midlevel engineer who wants to grow into deeper system responsibility, contribute to modernization efforts, and work in an environment where strong performance is rewarded with flexibility and trust. Trading knowledge is helpful, but curiosity and solid engineering fundamentals matter more.

Required Skills & Experience

• Professional experience developing in C# and C
• Strong Linux experience in production environments
• Familiarity with Bash or other scripting languages
• Ability to support, debug, and improve live systems
• Experience ramping quickly and contributing independently
  
  

Desired Skills & Experience

• Background in trading, finance, or fintech environments
• Exposure to C# and/or .NET
• Experience with system monitoring, tooling, or automation
  
  

What You Will Be Doing

Tech Breakdown

• 60% C / Linux systems
• 20% Scripting and automation
• 20% System modernization and enhancements (including C#)
  
  

Daily Responsibilities

• 70% Hands on development and system work
• 20% Collaboration with engineers and stakeholders
• 10% Production support and monitoring
  
  

The Offer

• Discretionary annual bonus eligible
  
  

You Will Receive the Following Benefits

• Medical, Dental, and Vision Insurance
• Generous vacation time
• Daily catered meals
• Transit stipend
• Performance based hybrid flexibility
  
  

Applicants must be currently authorized to work in the US on a full time basis now and in the future.

Posted By: Kylie Lenz