The App Store Analytics Quality Engineering team ensures the accuracy, reliability, and integrity of customer experience data that powers features and insights across the App Store ecosystem. We are seeking a Backend Test Engineer with strong experience in Big Data environments (Spark, Kafka, Flink, Hadoop, Hive, Iceberg) and the ability to build scalable, robust backend test automation using Java or Python.

This role is central to ensuring quality throughout the data lifecycle - from client instrumentation to backend aggregation and reporting - by applying shift-left testing principles, embedding quality checks early in development, and integrating test automation within CI/CD pipelines.

Description

In this role, you will drive quality for large-scale distributed data systems that power App Store analytics. You will collaborate closely with engineering, data, and program management teams to define test strategies, contribute to automation frameworks, and ensure high data fidelity across ingestion, transformation, and reporting layers.

You will be responsible for:

Implementing and maintaining automated validation frameworks for data pipelines and services

Integrating automated tests into CI/CD pipelines to ensure continuous feedback and early defect detection

Partnering with developers to shift quality left by embedding testability into data workflows and APIs

Ensuring consistency and correctness of client-to-backend data flows across iOS, macOS, tvOS, and Web

This role requires a self-driven engineer with strong technical depth, solid analytical skills, and the ability to influence quality across complex, evolving systems.

","responsibilities":"Design, implement, and maintain automated test frameworks for backend data validation, ETL verification, and system integration testing

Collaborate with data and backend engineers to embed test hooks and validations early in the development lifecycle (Shift-Left)

Integrate automated tests into CI/CD pipelines to ensure continuous quality validation

Validate data pipelines built on Spark, Kafka, Flink, Hive, Hadoop, and Iceberg, ensuring correctness, completeness, and performance

Develop scalable utilities for schema validation, data comparison, and regression checks across distributed datasets

Conduct functional, regression, and data integrity testing across multiple storage and compute layers

Build monitoring and alerting mechanisms for pipeline health and data quality KPIs

Investigate, isolate, and debug complex data issues across client and backend layers

Document test strategies, automation architecture, and validation reports

Preferred Qualifications

Hands-on experience with Big Data frameworks (Spark, Kafka, Flink, Hadoop, Hive, Iceberg)

Familiarity with containerized environments (Docker, Kubernetes) and deployment automation

Knowledge of Charles Proxy, Postman, or equivalent tools for API and network validation

Exposure to iOS/macOS platforms and Swift (for end-to-end validation scenarios)

Passion for building maintainable, reusable, and scalable test automation systems

Minimum Qualifications

Bachelor's degree in Computer Science, Engineering, or similar

Strong proficiency in Python and/or Java for backend test automation and data validation

Working knowledge of SQL and large-scale dataset validation across distributed storage or data lake environments

Experience with REST API testing and automation

Experience with CI/CD pipelines and continuous testing frameworks

Proven experience implementing Shift-Left testing practices and embedding automation early in the SDLC

Strong analytical, debugging, and communication skills

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant .

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 $172,100 and $305,600, 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.