Senior Java Developer

Overview

Job Purpose

ICE Data Services (an Intercontinental Exchange company) is seeking a senior Java engineer for its Core Technology team, which builds and maintains Omega - ICE's proprietary data distribution and transformation framework, and supports a development community spanning Bond Pricing, Reference Data, and Index.

We're looking for a versatile engineer with a systems-design mindset: comfortable working at the framework level and building applications on top of it, including the agentic tooling that will shape how the development teams work going forward.

Responsibilities

• Contribute to core Omega framework development, with an eye toward extensibility and maintainability.
• Develop and maintain Omega business applications.
• Design and build agentic tooling and automation for the development community.
• Collaborate with developers, system engineers, business analysts, and product managers on requirements and delivery.
• Provide production support, including occasional on call.

Knowledge and Experience

• Deep expertise in Java SE 11+, comfortable across both framework-level and application-level code.
• Aptitude for systems/API design — reasoning about tradeoffs like compatibility and extensibility.
• Strong experience with large, high-throughput datasets in Java.
• Grounding in event-driven, sequenced-message-stream architectures.
• Fluent in GNU/Linux with at least one scripting language.
• Skilled in JVM tuning, GC optimization, and performance profiling.
• Proficient with Git/GitHub, Gradle, GitHub Actions CI/CD.
• Self-directed with strong communication skills.

Preferred

• Experience building AI/agentic tooling.
• Experience with low-latency, deterministic event-processing systems (e.g., market data feed handlers, matching engines, or other sequenced-stream architectures).
• Working knowledge of equity and fixed income securities.

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