Senior Performance Engineer

• Own API performance testing across a distributed ecosystem that includes:

• Salesforce

• MuleSoft

• 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 DevOps teams to:

• Drive root cause analysis

• Recommend remediation approaches

• Validate fixes

• Leverage existing automation frameworks where applicable (Playwright, TypeScript, Cucumber)

• Produce clear, executive ready summaries outlining:

• What was tested

• Why it matters

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

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Must have strong communication skills and be able to create presentations for Non-Technical Executives based on performance testing findings

About Crossmint Crossmint is the leading enterprise-grade, all-in-one stablecoin and wallet infrastructure platform enabling fintechs and enterprises to integrate stablecoin rail…, © 2026 Careerjet All rights reserved