Remote Java Platform Performance Engineer

United States Digital Space LLC; United States; Remote; USD 110,000 - 180,000; Full time

Benefits offered by this job

Work-from-home arrangement

Competitive salary and benefits

Job summary

United States Digital Space LLC is seeking Java Backend Engineers focused on performance engineering to optimize large-scale distributed systems. You will investigate JVM internals, tune performance, and build internal tooling to enable reliable systems at scale.

The role emphasizes diagnosing production bottlenecks, profiling and GC tuning, and collaborating with DevOps to ensure production-readiness. Applicants with Spring Boot, Kafka, Docker, and Kubernetes experience are highly valued.

Qualifications

• Strong Java programming skills with solid understanding of JVM internals, multithreading and concurrent programming.
• Experience diagnosing performance bottlenecks through heap analysis, thread analysis, profiling and GC tuning.
• Experience with Spring Boot and microservice architecture.
• Hands-on experience with middleware such as Kafka, Redis, RabbitMQ or ZooKeeper.
• Experience with Linux, Docker and Kubernetes.
• Familiarity with distributed system architecture and production troubleshooting.
• Experience building internal engineering platforms or developer tooling is valued.

Responsibilities

• Analyze and optimize the performance of large-scale Java applications across application, middleware, JVM and infrastructure layers.
• Investigate production performance issues, identify root causes through profiling, tracing and code analysis, and drive end-to-end optimization.
• Design and execute performance validation for distributed systems, covering throughput, latency, scalability and system stability.
• Improve Java runtime performance through JVM tuning, GC optimization, thread analysis, memory leak investigation and profiling.
• Optimize databases and middleware including MySQL, Redis, Kafka and other distributed components.
• Build internal platforms and automation tools for performance testing, diagnostics, observability and capacity planning.
• Partner with backend engineers and DevOps teams to improve system reliability and production readiness.
• Review Java code for performance risks and leverage AI-assisted engineering tools to improve development efficiency while ensuring production-quality code

Skills

Java programming

JVM internals

Multithreading

Performance engineering

Distributed systems

Troubleshooting

AI-assisted tooling awareness

Tools

Spring Boot

Kafka

Redis

RabbitMQ

ZooKeeper

Docker

Kubernetes

MySQL

Job description

United States Digital Space LLC is seeking Java Backend Engineers focused on performance engineering to optimize large-scale distributed systems. You will investigate JVM internals, tune performance, and build internal tooling to enable reliable systems at scale.

The role emphasizes diagnosing production bottlenecks, profiling and GC tuning, and collaborating with DevOps to ensure production-readiness. Applicants with Spring Boot, Kafka, Docker, and Kubernetes experience are highly valued.