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TradingBlock

Software Engineer – Back-End Systems (C#/.NET)

Sorry, this job was removed at 05:05 p.m. (CST) on Friday, Jan 23, 2026
Hybrid
Chicago, IL
Hybrid
Chicago, IL

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TradingBlock is seeking an outstanding talented Mid- to Senior-level Software Engineer to join our team and drive the development and maintenance of our core back-end systems and trading infrastructure. If you thrive on building robust, scalable software and enjoy solving complex engineering challenges, we want to hear from you. You’ll work across the software development lifecycle, from requirements through to deployment and monitoring. If you possess deep experience building high-quality, high-performance systems for trading or brokerage operations, we want to talk to you. You will play a crucial role in designing, building, and maintaining the systems that power our financial operations.

What You Will Do: Key Responsibilities:

  • Design, develop, and maintain robust and scalable back-end systems critical to trading and brokerage operations.
  • Contribute to the architecture and implementation of low-latency, high-throughput solutions.
  • Work across the full software development lifecycle, from requirements gathering and design to deployment and monitoring.
  • Collaborate with team members to deliver high-quality solutions.

 What You Will Bring: Required Qualifications:

  • 5+ years of professional experience in software engineering, ideally in the Financial Services or FinTech domain.
  • Deep expertise Experience in C# and the .NET framework.
  • Proven experience ability to building and maintain high-quality, transactional and scalable back-end infrastructure systems in a trading environment.
  • Ability to learn quickly, communicate well, and work effectively in a team environment.
  • Experience with the following is a plus:
    • Financial Order Management Systems (OMS)
    • Trade/Execution Engines
    • Market Data Feed Handlers
    • FIX Engines and Order Routing
    • Position Servers, P/L, or Margin Engines
    • Low Latency Design Principles
    • Middleware/Messaging Queues (e.g., Kafka, RabbitMQ)
    • REST APIs and Web Sockets
HQ

TradingBlock Chicago, Illinois, USA Office

311 S Wacker Drive Suite 1775, Chicago, IL, United States, 60606

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