Senior Performance Engineer Job Jersey City area,New Jersey USA,Software Development

Description:
On-site in Jersey City, NJ

Our client seeks a Senior Performance Engineer to define strategy, establish performance excellence, and create systems that make performance a default outcome for software delivery within digital asset platforms. The role includes hands-on performance test design and execution, custom Java-based harness development, benchmarking frameworks, and validation of production readiness across distributed, cloud-based systems.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $68.00 to $73.00/hr. w2

Responsibilities:

Design, develop, and perform performance tests across services and platforms.
Build custom Java-based performance test harnesses to simulate trading workflows, market data ingestion, order routing, and exchange connectivity.
Develop benchmarking frameworks and production-like simulators for micro and macro latency measurement.
Create and run load, stress, endurance, duration, spike, soak, volume, and capacity test scenarios.
Validate and sign off on production readiness for stability and performance across applications and infrastructure.
Connect performance outcomes to business objectives and SLOs, guiding teams to keep the stack scalable and efficient.
Lead architecture and development of profiling and instrumentation for CPU, memory, hot paths, utilization, and deployment events.
Partner with Dev Ops and back-end engineering to ensure optimal service utilization.
Debug distributed and low-level system boundaries using logs, metrics, tracing, and performance tooling.
Ramp up on new technologies and unfamiliar parts of the stack.

Experience Requirements:

6+ years of performance engineering with hands-on test development.
Strong performance testing across low-latency, high-throughput, high-volume services. Trading services experience preferred.
Expertise in Java and core Java technologies with Spring Boot services.
Experience with distributed systems, asynchronous workers, and microservice architecture.
Cloud familiarity with AWS, Azure, or Google Cloud Platform and containerized, orchestrated environments.
Deep understanding of performance-critical software and hardware interactions at scale.
JVM internals and tuning expertise with actionable recommendations.
Proficiency with Dynatrace, Datadog, or App Dynamics; thread and heap dump analysis.
Proven ability to identify memory leaks, connection issues, and throughput bottlenecks across web apps, infrastructure, and cloud.
Experience architecting large-scale test automation.
Strong communication and influence skills with senior engineering and product leaders.
Track record leading cross-team performance initiatives and decisions.
Collaborative mindset with mentoring and productivity focus.
Nice to have: capital markets or cryptocurrency experience in trading, algo trading, and market data.
Nice to have: kernel bypass such as Solarflare Open Onload.
Nice to have: low-latency messaging products such as Aeron, Solace, or 29

West.

Education Requirements:

Bachelor's degree in computer science or related field.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (, ) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position.

All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with…