Lead Performance Engineer
Intercontinental Exchange2 days ago
Responsibilities
- Lead performance investigations for CPU-bound, multithreaded Java systems across application, JVM, OS, and hardware layers.
- Model scalability based on data volume and instrument counts and produce capacity projections for architecture decisions.
- Identify and validate fixes for time-critical paths in batch and event pipelines.
- Build test harnesses and realistic workloads to detect version-to-version regressions.
- Tune thread pools, garbage collection, and heap settings for high-throughput, latency-sensitive pipelines.
- Analyze heap dumps, thread dumps, GC logs, memory, and CPU profiles.
- Translate findings into data-backed recommendations for architects, developers, and business stakeholders.
- Mentor peers and serve as the primary voice on performance trade-offs.
Requirements
- Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
- 8+ years of experience in performance engineering, performance testing, or Java development on high-volume, low-latency systems.
- Deep JVM expertise, including heap and thread dump analysis, GC log interpretation, and memory and CPU profiling.
- Java and scripting experience with Python, Groovy, or shell for automation and harness development.
- Hands-on experience with JMeter, Gatling, or custom load-generation harnesses.
- Experience with message-based architectures such as Kafka or IBM MQ, or equivalent technologies.
- Strong written and verbal communication skills.
- Experience building observability data pipelines is strongly advantageous.
- Familiarity with Prometheus, VictoriaMetrics, or Grafana is a plus.
- Practical use of Claude, Copilot, or Cursor for performance work is a plus.
Tech Stack
Categories
About Intercontinental Exchange
Intercontinental Exchange operates global exchanges and clearing houses, offers fixed income and commodities trading platforms, and sells market data, listings, and mortgage technology to financial institutions and lenders. Its revenue comes from transaction and clearing fees, data subscriptions, listings, and software. Founded in 2000 and headquartered in Atlanta, it owns the New York Stock Exchange and ICE Mortgage Technology, and is publicly traded on the NYSE under the ticker ICE.