Performance Engineer

Kforce has a client that is seeking a Performance Engineer in Miami, FL.

Summary:

The client is looking for a Senior Performance Engineer to own and elevate API performance testing across a complex, integrated application ecosystem. This role goes beyond executing load tests - it requires someone who can define performance strategy, interpret results, and clearly communicate business impact to both technical teams and leadership.

This position is a replacement for an existing contractor, with the goal of a smooth transition once the right candidate is identified.

Key Responsibilities:

Own API performance testing across a distributed ecosystem that includes:

* Salesforce

* Mule Soft

* Oracle

* Boundary and downstream applications with heavy API dependencies

Design and execute a comprehensive performance testing strategy, including:

* Load testing

* Stress testing

* Scalability testing

* Endurance testing

* Volume testing

Develop structured performance test plans that clearly define:

* User and transaction models

* Test duration and ramp profiles

* Objectives, thresholds, and success criteria

Execute tests using industry standard tooling and analyze results to identify:

* Bottlenecks

* Failure points

* Scalability risks

Partner closely with engineering, architecture, and Dev Ops teams to:

* Drive root cause analysis

* Recommend remediation approaches

* Validate fixes

Leverage existing automation frameworks where applicable (Playwright, Type Script, Cucumber):
Produce clear, executive ready summaries outlining:

* What was tested

* Why it matters

* What the results mean for performance, stability, and risk

* Recommended next steps
* Must have strong communication skills

* Able to create presentations for Non-Technical Executives based on performance testing findings