"The demand for high\u2011performance Java engineers is soaring as companies look to squeeze every ounce of efficiency from their applications. This role in Charlotte focuses on building Java solutions without relying on traditional garbage collection, a niche that sets you apart in the market. If you have a decade of experience and thrive in hybrid, on\u2011site environments, this opportunity is worth your attention.\n\n# Job Summary\nWe are seeking an experienced Java Developer to design, implement, and maintain high\u2011performance Java applications that operate without the standard garbage collector. The position is hybrid (on\u2011site in Charlotte, NC) and limited to local candidates with a valid driver\u2019s license. This C2C contract requires 10+ years of Java expertise, strong memory\u2011management skills, and the ability to thrive in fast\u2011paced, in\u2011person interview settings.\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|---|---|---|\n| Java (Core & Advanced) | Foundation for all development tasks and performance tuning | Senior |\n| Memory Management (No GC techniques) | Enables building low\u2011latency systems without garbage\u2011collector pauses | Senior |\n| System Performance & Profiling | Guarantees applications meet strict latency and throughput goals | Senior |\n\n# Interview Preparation\n1. **How would you design a Java application that avoids using the garbage collector?**\n *What the interviewer is looking for:* Understanding of off\u2011heap memory, object pooling, and manual memory management techniques.\n2. **Explain the trade\u2011offs between using direct byte buffers vs. heap buffers in high\u2011throughput systems.**\n *What the interviewer is looking for:* Knowledge of JVM memory regions, GC impact, and performance implications.\n3. **Describe a situation where you identified a memory leak in a Java service and how you resolved it without relying on GC tuning.**\n *What the interviewer is looking for:* Real\u2011world debugging skills, use of profiling tools, and preventive design patterns.\n4. **What profiling tools and metrics do you prioritize when measuring latency in a no\u2011GC environment?**\n *What the interviewer is looking for:* Familiarity with JFR, async-profiler, latency percentiles, and OS\u2011level monitoring.\n5. **How do you ensure thread\u2011safety and concurrency correctness when managing manual memory resources?**\n *What the interviewer is looking for:* Concurrency primitives, lock\u2011free structures, and safe publication techniques.\n\n# Resume Optimization\n- Java\n- No Garbage Collection\n- Memory Management\n- Performance Optimization\n- Hybrid Work Model\n- C2C Contract\n- 10+ Years Experience\n- Charlotte NC\n- In\u2011Person Interview\n- Driver\u2019s License\n\n# Application Strategy\nWhen reaching out to the recruiter, send a concise email that starts with a friendly greeting, attach your updated resume, and clearly highlight your top skills. Make sure to mention related skills you possess, such as **Java performance tuning**, **manual memory management**, and **high\u2011throughput system design**. Reference any relevant projects where you successfully implemented no\u2011GC solutions and emphasize your local availability and driver\u2019s license.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|---|---|---|---|\n| Java Developer (No GC) | 10+ years | High\u2011performance Java, memory\u2011safe design | Senior Java Engineer |\n| Senior Java Engineer | 12\u201115 years | Architecture, mentoring, large\u2011scale systems | Lead Engineer / Tech Lead |\n| Lead Engineer | 15+ years | Strategic tech vision, cross\u2011team leadership | Engineering Manager / Director |\n"