Senior Backend Engineer - Real-Time Trading Systems

Ironbeam, Inc.; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

Ironbeam, Inc. in Chicago, IL seeks a Senior Java Developer to evolve backend and middleware for trading and market data infrastructure. You will work on real trading systems, ensuring correctness, speed, and resilience.

You will design and implement backend services in Java, build REST APIs, and collaborate with teams to deliver robust solutions in a fast-paced, regulated financial environment.

Qualifications

• 8+ years of professional software development experience.
• Strong expertise in Java (core, concurrency, performance tuning).
• Experience building trading systems or financial infrastructure.
• Understanding of distributed systems, messaging, and SOA.
• Experience with REST server development.
• Comfort in regulated financial environments.

Responsibilities

• Design and implement backend services for trading, market data, and post-trade workflows.
• Develop and maintain low-latency, high-reliability Java applications.
• Build and consume REST APIs and internal service interfaces.
• Integrate with exchanges, clearinghouses, and regulatory bodies.
• Process real-time and historical market data feeds.
• Work with Microsoft SQL Server on schema design, performance tuning, and data integrity.
• Contribute to system architecture, technical standards, and best practices.
• Assist with other engineering initiatives as needed (learning new languages, frameworks, or systems when required).
• Participate in code reviews, design discussions, and production support when necessary.

Skills

Java

REST APIs

Concurrency

Distributed systems

SQL Server

Performance tuning

Code reviews

Technical architecture

Tools

Linux

Job description

Ironbeam, Inc. in Chicago, IL seeks a Senior Java Developer to evolve backend and middleware for trading and market data infrastructure. You will work on real trading systems, ensuring correctness, speed, and resilience.

You will design and implement backend services in Java, build REST APIs, and collaborate with teams to deliver robust solutions in a fast-paced, regulated financial environment.