Senior Site Reliability Engineer, Performance Engineering

Mastercard
Missouri
Workplace: OnsiteFull timeUSD 96,000 - 163,000 annuallyFunction: DevOps, Cloud & InfrastructureEducation: bachelorsSkills: ["Initiative","Ownership","Detail-oriented","Customer-focused","Analytical mindset","Collaboration","Communication"]

Build and optimize ABU services for payment reliability and performance by leading automated performance testing, bottleneck discovery, and capacity planning. Partner with SRE and performance engineers to tune services pre-release and review incidents to reduce recurrence. Use AI-assisted tooling for script generation, test data prep, log analysis, and anomaly detection, translating performance data into clear, measurable scalability and reliability improvements.

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FursaFursa
Mastercard
Mastercard
1 week ago

Senior Site Reliability Engineer, Performance Engineering

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 3 hours agoStatus: Live

Job Summary

Build and optimize ABU services for payment reliability and performance by leading automated performance testing, bottleneck discovery, and capacity planning. Partner with SRE and performance engineers to tune services pre-release and review incidents to reduce recurrence. Use AI-assisted tooling for script generation, test data prep, log analysis, and anomaly detection, translating performance data into clear, measurable scalability and reliability improvements.
Location: Missouri
Workplace: Onsite
Employment Type: Full time
Job Function: DevOps, Cloud & Infrastructure
Seniority: Mid level

Key Responsibilities

  • •Partner with SRE and performance engineers to test and tune ABU services before production release using automated test suites, bottleneck analysis, chaos testing, capacity planning, and launch reviews.
  • •Build, manage, and maintain robust performance testing suites.
  • •Measure and monitor availability, latency, throughput, performance, and system health; communicate results and recommendations clearly.
  • •Scale systems sustainably through automation and recommend changes that improve reliability, velocity, and performance.
  • •Review production incidents, identify contributing factors, and drive solutions to reduce recurrence.

Pay and Benefits

Salary: USD 96,000 - 163,000 annually
Perks:Health InsuranceDentalVision401k

Key Requirements

  • •Advanced knowledge of web applications and distributed systems infrastructure.
  • •Experience with performance bottleneck analysis and system design for scale.
  • •Experience with Java Virtual Machine internals and garbage collection tuning.
  • •Experience implementing automated performance regression test suites for low-latency, high-throughput financial applications.
  • •Working knowledge of AI-assisted development and analysis techniques (prompt-driven script generation, automation workflows, and root cause analysis support).
Experience:Financial servicesPayments
Education:Bachelor's in Computer Science, Computer Systems, Information Technology, or related field
Skills:InitiativeOwnershipDetail-orientedCustomer-focusedAnalytical mindsetCollaborationCommunication
Tech Stack:APIsJavaJava Virtual MachineGarbage collectionPythonScalaBitbucketMavenJenkinsGatlingBlazeMeterLoadRunnerAI-assisted engineering toolsLog analysisAnomaly detectionObservabilityChaos testing

Company Brief

Mastercard
Mastercard is a global payments and technology company that processes transactions, provides fraud prevention and data services, and builds payment infrastructure for consumers, businesses, merchants and governments across 200+ countries.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Purchase, New York, United States
Founded: 1966
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