Software Test Engineer Jobs in Cupertino, CA

Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. Here, you’ll do more than join something - you’ll add something. Video Engineering is seeking a strong, experienced, self-motivated Software Development Engineer in Test with a passion for making all Apple product experience the best it can be. You will be working on the latest Apple products, ensuring that the video experience is the best in the world!

Description

In this role, your main responsibility will be test design and development for video processing frameworks and low-level software of video codecs, covering both functionality verification and quality measurement across all iOS/macOS/tvOS/visionOS platforms. The work targets image & video encoding/decoding, editing/post-processing, and machine learning based technologies.

Your daily tasks will include developing software and tools to validate algorithms and code changes of projects, designing test cases, and architecting test harnesses. You will implement tests in C/C++, Objective-C, Swift, and Python/Shell scripting using test frameworks. Additionally, you will automate workflows in testing and quality evaluation pipelines, triage and root-cause failures, and drive early test strategy and planning. You will also build LLM-based tools and agentic workflows that extend what these pipelines can automate at scale.

You will partner with R&D engineering teams and both internal and external cross-functional partners to ensure image and video frameworks/firmware/drivers deliver the highest quality video experience.

Preferred Qualifications

Strong knowledge of software engineering and development lifecycles

Experience in building LLM-powered tooling - including prompt engineering, agent design, tool/API integration, and MCP-based integrations

Experience in test development using frameworks such as XCTest or PyTest

Experience with white-box / grey-box testing, API testing, mutation testing, static testing, or code coverage analysis

Experience in image or video quality evaluation or model benchmarking and quality metrics

Understanding of image or video codecs (e.g. AVC, HEVC, VP9, AV1) and video processing pipelines

Excellent problem solving and debugging skills

Great communication and negotiation skills, able to collaborate and work as a team

Self-sufficient and self-motivated, and able to work independently and drive projects to closure in a timely manner

Minimum Qualifications

BS and a minimum of 10 years relevant industry experience

6+ years programming experience in C/C++, Objective-C/Swift, and Python

6+ years development experience on macOS or unix/linux platform

Hands-on experience using LLMs in software development, including building workflows with AI/LLM-based tools

Experience in test case development and software testing methodologies

Understanding of software engineering concepts with hands-on experience practicing CI/CD in software development

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 $184,700 and $324,800, 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.