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The Performance Team within Developer Experience builds the infrastructure that lets developers test, measure, and trust the performance of Apple's search capabilities before they ship. We're looking for an experienced software engineer to help build and scale a performance testing platform used across the org - one that gives developers confidence that results measured in a dev environment reflect what will happen in production. You'll work closely with product and information intelligence teams to deliver infrastructure that's reliable, scalable, and efficient, powering Apple products for billions of users.

Description

We build the infrastructure that lets developer teams across Search test, measure, and validate the performance of features before they reach billions of Siri users. Our platform captures and replays production-scale traffic so developers can load-test changes in a dev environment and trust that the results are indicative of production behavior. We apply statistical analysis to model how latency, throughput, and resource usage shift from dev to production, helping teams catch performance regressions before they ship. You'll have the opportunity to work with systems processing massive volumes of traffic and results data, with a scale and complexity few teams encounter.","responsibilities":"Design, develop, and operate the performance testing platform that lets developers across Search load-test and validate infrastructure changes before they reach production

Build and improve traffic capture/replay and load-generation tooling, along with the pipelines that process the resulting performance data at scale

Apply statistical analysis to project how performance results measured in dev environments will translate to production, and to detect regressions before rollout

Collaborate closely with product, search, and information intelligence teams to define infrastructure requirements and deliver robust solutions

Ensure the health and performance of critical infrastructure by monitoring key metrics, troubleshooting complex issues, and participating in an on-call rotation

Preferred Qualifications

Statistical/analytical experience projecting how dev-environment results map to production behavior (regression analysis, capacity modeling)

Hands-on experience designing load test frameworks: traffic capture/replay, configurable load shapes, concurrency control

Experience with observability tooling for root-causing performance regressions

Familiarity with Kubernetes, workflow orchestration and CI/CD pipelines for automating test infrastructure

Minimum Qualifications

5+ years of experience in software development, including designing, building, and operating large-scale distributed systems and backend infrastructure

Strong interest in building performance tooling

Strong software engineering fundamentals in data structures, algorithms, and system design

Excellent communication and collaboration skills to work effectively with cross-functional teams

BS, MS, or Ph.D. in Computer Science or a related field, or equivalent experience

Pay & Benefits

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $175,000 and $308,500, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses - including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

About Apple

Working at Apple means doing more than you ever thought possible and having more impact than you ever imagined.

Size: 10,000+ employees
Industry: Technology

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