Add high-performance Java role

src/pages/careers/high-perf-java.md

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+---
+layout: '../../layouts/CareerPost.astro'
+location: 'London / Hybrid Remote'
+department: 'Engineering'
+contract: 'Full Time'
+position: 'Senior Java Engineer (High Performance / Low Latency)'
+weight: 1
+googleJobs:
+  {
+    location: 'London / Hybrid Remote',
+    position: 'Senior Java Engineer (High Performance / Low Latency)',
+    publishedDate: '2025-01-31'
+  }
+---
+
+## Job Description
+
+JUXT is seeking specialist Java engineers with experience working on high performance/low latency systems. We're working with banks and other major financial institutions on projects where microseconds count.
+
+
+JUXT has a strong engineering-first culture and we're known for bringing the best engineers and solutions to hard problems. At JUXT you'll work with talented people and have a chance to make a real impact for our clients.
+
+## Responsibilities
+
+In this role you will:
+
+- Build and maintain Java applications in areas of banking and trading that require the highest levels of performance.
+- Build and maintain testing and benchmarking code.
+- Use systematic approaches to find and eliminate bottlenecks to improve the performance.
+- Bring new ideas, at low and high levels, to improve the performance of solutions.
+- Demonstrate and quantify improvements as you go, with solid evidence recorded.
+- Work within existing high-performance systems, frameworks and infrastructure.
+
+## Characteristics
+
+The ideal candidate
+
+- has a proven track record in implementing high performance and low latency systems on the JVM
+- has a deep knowledge of JVM internals (including garbage collection, concurrency, locking, etc) and is an expert in the Java language
+- has excellent communications skills working with technical and non-technical stakeholders
+- has a high-level of professionalism when working with our clients
+- can work effectively with existing applications and on greenfield projects
+
+## Requirements
+
+Essential:
+
+- Degree-level education.
+- Professional experience working on high performance / low latency systems
+
+Useful but not essential:
+
+- Experience in banking and fintech.
+- Experience working in a software consultancy or similar services business.
+
+## Location
+
+This is primarily a remote role, however you may be required to travel to locations in Central London as often as twice a week.