Circuits Implementation Engineer

Apple

A leading technology company that designs and manufactures consumer electronics, software, and services.

Santa Clara, CA, USA

$143,100 - $264,200

Embedded

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

AI · Hardware

Description For Circuits Implementation Engineer

Join Apple's Silicon Technologies group as a Circuits Implementation Engineer, where you'll be at the forefront of designing and manufacturing next-generation, high-performance processors and system-on-chip (SoC) solutions. As part of the Digital Custom Group (DCG), you'll work on groundbreaking projects like the M-series chips for Mac and chips for flagship products including iPhone, iPad, Airpods, HomePod, and Watch.

Your role will involve collaborating with world-class SRAM and custom circuit teams to define PPA (Power, Performance, Area) targets for future technology nodes. You'll be responsible for analyzing designs, conducting simulations, and tracking the development of custom and SRAM designs throughout the entire design cycle from feasibility to GDS.

This position offers the unique opportunity to work with cross-functional teams, implementing cutting-edge circuit design techniques in Apple's marquee products like M2 and A16 Bionic. You'll be instrumental in establishing design specifications, managing project dependencies, and ensuring quality standards are met.

The role combines technical expertise with strategic thinking, as you'll be responsible for finalizing critical components for next-generation SOCs and products. You'll work in an environment that values innovation, attention to detail, and the ability to solve complex challenges. This is a chance to directly impact the performance and efficiency of Apple's devices used by millions of customers worldwide.

Benefits include comprehensive medical and dental coverage, retirement plans, stock options, educational reimbursement, and the opportunity to work with cutting-edge technology in a collaborative environment. Join Apple's hardware development effort and be part of a team that's shaping the future of technology.

Last updated 10 days ago

Responsibilities For Circuits Implementation Engineer

Design analysis to define PPA targets for current and future tech nodes
Work with SRAM and custom circuit team to formulate design specifications
Perform layout/simulations to establish PPA trends
Finalize list of SRAMs and custom designs for next SOCs/products
Work with cross functional design teams to define specifications
Track design development of SRAMs & other custom designs for schedule, spec closure, PPA & quality

Requirements For Circuits Implementation Engineer

BS in a relevant field
Minimum of 3 years of relevant industry experience
Experience with SoC design cycle
Knowledge of custom circuit design methodology
Understanding of industry-standard design tools
Deep understanding of nanometer device physics
Knowledge of Cache design/architecture (preferred)
Experience in leading/managing projects (preferred)

Benefits For Circuits Implementation Engineer

Medical Insurance

Dental Insurance

Equity

Education Budget

Relocation Benefits

Comprehensive medical and dental coverage
Retirement benefits
Employee stock programs
Discretionary restricted stock unit awards
Employee Stock Purchase Plan with discount
Educational expense reimbursement
Discretionary bonuses
Relocation benefits
Range of discounted products and free services

Apple

A leading technology company that designs and manufactures consumer electronics, software, and services.

Santa Clara, CA, USA

$143,100 - $264,200

Embedded

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

AI · Hardware

Apple

Count Numbers with Unique Digits

Data Structures & AlgorithmsMedium

Given an integer n, return the count of all numbers with unique digits, x, where 0 <= x < 10^n. For example: Input: n = 2 Output: 91 Explanation: The answer should be the total numbers in the range of 0 <= x < 100, excluding 11,22,33,44,55,66,77,88,99 Input: n = 0 Output: 1

Dynamic Programming

Recursion

Apple

Design a URL shortening service like TinyURL, considering functional/non-functional requirements, scaling, and availability.

System DesignMedium

System Design Question: Designing a URL Shortening Service like TinyURL Let's design a URL shortening service like TinyURL. Consider the following: Functional Requirements: Given a long URL, the service should generate a shorter and unique alias. When users access the short URL, they should be redirected to the original long URL. The system should be highly available and reliable. Analytics: Track the number of times a short URL has been accessed. Non-Functional Requirements: The system should have low latency for URL redirection. Shortened URLs should be relatively short in length. The system should be able to handle a large number of URL shortening and redirection requests. Scalability: The system should be scalable to handle a growing number of URLs and users. Capacity Estimation & Constraints: Assume 100 million URLs are shortened per day. Assume 1 billion redirections per day. Assume a read/write ratio of 10:1 (redirections vs. shortening). Short URL length should be as short as possible (e.g., 7 characters). High-Level Design: Discuss the components involved (e.g., web servers, application servers, database). Explain the URL shortening and redirection process. Propose a suitable database (e.g., SQL or NoSQL). Detailed Design: How to generate unique short URLs? Discuss approaches like hash functions, base-62 encoding, or UUIDs. What are the tradeoffs of each approach in terms of collision probability, URL length, and performance? Explain the database schema for storing the mappings between short and long URLs. Detail the caching strategy to improve redirection performance. Where should the cache be placed (e.g., client-side, CDN, in-memory cache)? What cache eviction policy should be used? Scaling and Availability: How to scale the system to handle the expected load? Discuss techniques like load balancing, database sharding, and replication. How to ensure high availability? Discuss strategies like redundancy, failover mechanisms, and monitoring. Rate Limiting: Implement rate limiting to prevent abuse (e.g., a user shortening too many URLs in a short period of time). Discuss different rate-limiting algorithms (e.g., token bucket, leaky bucket). Walk through the design process, addressing each of these points. Explain any tradeoffs you make in your design decisions. Show examples of how different technologies or architectural choices impact system performance and scalability.

Database Problems

Arrays

Strings

Apple

Where do you see yourself in 5 years?

Behavioral

Where do you see yourself in 5 years?

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