Software Development Engineer (Postgres), AI & Data Platforms (AiDP) at Apple in Sunnyvale

Job description

• Posted:
• Sep 16, 2026
• 200683723
• The people here at Apple don't just craft products - they build the kind of wonder that's revolutionized entire industries! It's the diversity of those people and their ideas that encourages the innovation that runs through everything we do, from amazing technology to industry-leading environmental efforts.
• Join Apple, and help us leave the world better than we found it! The Postgres team at Apple invites interested engineers to join our team to develop and contribute to PostgreSQL, the world’s most popular open source relational database.
• Our engineers develop and operate Apple’s cloud-based relational databases service hosting PostgreSQL databases that power some of Apple’s most important workloads in Services, Manufacturing, AIML and many more.
• You will be joining a team of experts working on modern database technologies, distributed systems and storage engineering, helping push the limits of open-source PostgreSQL in order to offer enterprise-class performance, availability and durability to our customers, as well as to ensure reliable administration.
• Your work will be deployed at massive scale, serving millions of queries per second over many petabytes of data across our data-centers worldwide and impact the experiences of many millions of users of key Apple services.
• AI & Data Platforms (AiDP) is IS&T's engine for AI-powered innovation. The team brings together data, application development, and machine learning — including generative AI — along with data services and customer success functions, to help IS&T build solutions more efficiently and streamline the adoption and embedding of generative AI across Apple.
• The Apple Postgres team develops and operates a highly reliable, cloud relational databases service that serves all of Apple. We’re looking for curious, enthusiastic and collaborative developers with an extraordinary degree of care and rigor in engineering who can contribute to all major components of PostgreSQL, including query execution, storage, replication, high-availability, scaling, administration, new feature development and all other aspects of the database.

Responsibilities

• The role also requires excellent communication and the ability to partner closely with our Database Engineering and SRE teams, and a high degree of customer focus when engaging with internal customer.
• The ability to work effectively with colleagues based in other locations is also essential, as well as the ability to help mentor junior engineers.

Requirements

• Success in this role requires a high level of expertise in several of the following:
• - Fundamentals of system-level hardware and networking components (storage devices and controllers,
• network interfaces) in server class systems
• - Operating systems concepts (process scheduling, disk and network I/O, performance)
• - Understanding of database concepts (relational algebra, query optimization, consistency models, isolation
• levels, crash and recovery semantics)
• - Advanced concepts such as failure detection, load balancing, request pipelining and operational semantics of
• high-throughput systems
• - Performance engineering, understanding of advanced testing methodologies, familiarity with debugging and
• profiling tools
• BS in Computer Science/related fields with 5+ years of relevant work experience
• High level of proficiency in C, C++, Rust
• Advanced understanding of data structures and algorithms in storage and indexing, coding in C, C++
• Demonstrated experience developing database systems, storage engines, distributed systems
• Experience developing software in open source communities
• Knowledge of the internals of relational databases such as PostgreSQL (or MySQL, MariaDB)
• MS in Computer Science/related fields with 8+ years of relevant experience
• Expertise with code performance and optimization
• Expertise with Relational database systems architecture
• Knowledge of Linux Kernel development

Skills

Required

• Operating systems concepts
• Understanding of database concepts
• Excellent communication
• High degree of customer focus
• Ability to help mentor junior engineers

Preferred

• Knowledge of Linux Kernel development

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.