Senior Software Engineer - Transparency - iCloud

Ever wondered how to prove your conversations are secure or how to build trust in the privacy claims of a cloud service? Transparency service provides secure identity and verifiable transparency that protect iMessage, Private Cloud Compute, and other critical Apple products. We build the backend systems that provide public, cryptographic proof that users' data and messages are secure, ensuring that the billions of Apple users and their devices can connect with confidence. We are a small team with big impact, tackling challenges across verifiable key transparency, privacy-preserving infrastructure, data consistency and reliability at extreme scale, and building publicly auditable and tamper-evident logging systems. Are you interested in product innovation and building services with unrivaled privacy and security, while solving unique, large-scale, and highly-complex technical problems? Are you passionate about delivering the best possible experience to customers? If so, come join us!

Description

Join us to build transparency infrastructure that scales to the next billion users and devices. Your responsibilities will cover all aspects of the software development lifecycle, including feature exploration, architectural design, development, testing, and operations for services that demand the highest standards of reliability and security. You will represent our team in various cross-functional settings and lead projects in our realms of expertise. We are seeking a strong technical hands-on engineer, who is passionate about applying their skills to create real-world impact and build products that users love. You should feel a personal stake in the services we are responsible for, be eager to learn about new technologies, and have the ability to build positive and effective relationships with the people you work with. Our work is complex, challenging and highly visible. The opportunities for you to make an impact here are boundless.

Responsibilities

• Design, build, and operate the critical server-side components that power new communication features, taking full ownership of their architecture, quality, and reliability.
• Act as the server-side technical lead for new features, partnering with iOS, hardware, and other service teams to influence and craft the end-to-end architecture.
• Assume responsibility for the successful delivery of a feature's backend, while acting as a key collaborator in the success of the overall feature across all layers of the stack.
• Lead sophisticated, multi-functional projects from conception to delivery, ensuring technical alignment and flawless integration between your services and other components.
• Mentor and guide engineers both within our team and across the company, helping to develop their skills and encouraging a culture of technical perfection and collaboration.
• Uphold and champion our deep dedication to user experience, privacy, and security in every aspect of your work.

Minimum Qualifications

• At least 6 years of backend software engineering experience
• Experience in Java, Go, C#, or similar languages.
• Experience in building large scale, highly available cloud services.
• Experience with distributed database systems (such as Cassandra)
• Independent, driven, motivated, and a deep sense of ownership
• Strong written and verbal communication skills

Preferred Qualifications

• Good understanding of multi-threading, non-blocking I/O, and client-server development.
• Experience with applied cryptography
• Understanding of transparency systems (key transparency, certificate transparency, Merkle trees)

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 $181,100 and $318,400, 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.

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 .

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Client-provided location(s): Cupertino, CA

Job ID: apple-200626488-0836

Employment Type: OTHER

Posted: 2025-10-20T19:08:48