Job Purpose
You must be results-oriented, self-motivated and have the ability to thrive in a fast-pace environment. This role requires frequent interaction with software architects, developers, database architects, project managers, and operations professionals in order to ensure that we deliver the highest quality technology platform to our users.
As a Senior Performance Test Engineer you will design and execute performance, capacity, and failover tests of ICE’s Clearing Enterprise technology platform and software architecture—stressing the stack at both application and system levels to ensure systems meet goals for reliability, scalability, capacity, and performance. You will assess end-to-end system performance, define strategies for Performance, Scalability & Reliability, and harvest/report business and technical metrics across our clearing and risk analytics platforms.
Responsibilities
- Build and enhance performance testing harnesses, informed by real production traffic, to enable reliable measurement and profiling.
- Act as a Performance Testing and Engineering expert and review the performance of existing systems; provide clear, data-backed recommendations
- Build and maintain Performance Engineering KPI Dashboards
- Determine the root cause of hotspots or bottlenecks—whether inefficient use of a programming language, operating system resources, GC/heap, I/O etc.
- Evaluate areas for performance optimization and provide recommendations; drive fixes with dev/ops and validate improvements
- Create custom tools / script to simplify/automate repeatable routine tasks
- Certify—conceptually and via test execution—each component’s reliability and failover capabilities;
Knowledge and Experience
- Bachelor’s Degree or equivalent in Computer Science
- 5+ years’ experience in the IT industry working in Java development and/or performance testing and tuning of high-volume, transactional systems
- Proficiency with Java, Oracle Database and scripting tools such Python, Groovy, Linux Shell.
- Proficient in analyzing code at a micro level; naturally curious with strong troubleshooting skills
- Excellent ability in analyzing Heap Dumps, Thread Dumps, GC logs, event logs, and application stack traces to find performance root causes
- Proficiency in load generation frameworks like JMeter and Gatling.
- Understanding of automation frameworks like Selenium and TestNG is a plus.
- Good verbal and written communication skills. Ability to work well with application development team leads and architects is key criterion. You will need to speak and understand technical leads and architects of our enterprise transactional Java systems, to be able to influence design and code changes based on test outcomes
