Digital Layout Design Engineer

Apple

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

San Diego, CA, USA

$129,600 - $236,300

Embedded

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

Description For Digital Layout Design Engineer

Apple is seeking a Digital Layout Design Engineer to join their Hardware team in San Diego. This role is part of the Digital Design Engineering group, focusing on designing pioneering ASICs and custom digital macros. As a key member of the custom layout team, you'll work with cutting-edge technology nodes to create extraordinary custom digital macros and libraries.

The position offers an exciting opportunity to work at the center of SOC design efforts, collaborating across multiple engineering disciplines. You'll be responsible for delivering PDV clean layouts, working with complex custom layouts for digital circuits in deep SubMicron CMOS technologies. The role requires expertise in layout floorplanning, standard cell planning, and hierarchical layout assembly.

This is an ideal opportunity for someone with a strong background in custom layout design and a passion for creating innovative solutions. You'll work in a fast-paced environment with endless learning opportunities, collaborating with integration, CAD, circuit, and technology engineering teams. The position offers competitive compensation ranging from $129,600 to $236,300, along with comprehensive benefits including stock options and educational support.

The role combines technical expertise with collaborative teamwork, making it perfect for someone who enjoys both the technical challenges of digital layout design and working with cross-functional teams. You'll be part of Apple's mission to bring forward-thinking ideas to life and create experiences that customers have never before envisioned.

Last updated 3 days ago

Responsibilities For Digital Layout Design Engineer

Designing complex custom layout for digital circuits in deep SubMicron CMOS technologies
Reviewing and analyzing floorplans and complex circuits with circuit designers
Running layout design verification tools on megacells
Working with circuit design team to plan, schedule work and negotiate layout tradeoffs
Interpretation of LVS, DRC and ERC reports
Use advanced CAD tools and mask design knowledge for layout corrections
Deliver PDV clean layout

Requirements For Digital Layout Design Engineer

BS and a minimum of 3 years relevant industry experience or equivalent
Experience in custom layout design of deep SubMicron CMOS circuits
High level proficiency in layout floorplanning, standard cell planning and hierarchical layout assembly
Good understanding of RC delay, electromigration, self heating and cross capacitance
Excellent communication skills
Skills on interpretation of CALIBRE DRC, ERC, LVS reports
Knowledge of MENTOR GRAPHICS or CADENCE layout tools

Benefits For Digital Layout Design Engineer

Medical Insurance

Dental Insurance

401k

Equity

Education Budget

Relocation Benefits

Comprehensive medical and dental coverage
Retirement benefits
Employee stock programs
Educational expense reimbursement
Discretionary restricted stock unit awards
Employee Stock Purchase Plan
Discretionary bonuses
Relocation benefits
Product discounts
Free services

Apple

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

San Diego, CA, USA

$129,600 - $236,300

Embedded

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

Apple

Different Ways to Add Parentheses

Data Structures & AlgorithmsMedium

Given a string expression of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. You may return the answer in any order. The test cases are generated such that the output values fit in a 32-bit integer and the number of different results does not exceed 104. For example: If the input is expression = 2-1-1 The expected output is [0,2] Because: ((2-1)-1) = 0 (2-(1-1)) = 2 If the input is expression = 23-45 The expected output is [-34,-14,-10,-10,10] Because: (2(3-(45))) = -34 ((23)-(45)) = -14 ((2(3-4))5) = -10 (2((3-4)5)) = -10 (((23)-4)5) = 10 Constraints: 1 <= expression.length <= 20 expression consists of digits and the operator '+', '-', and '*'. All the integer values in the input expression are in the range [0, 99]. The integer values in the input expression do not have a leading '-' or '+' denoting the sign.

Recursion

Dynamic Programming

Apple

How would you design a URL shortening system like TinyURL?

System DesignMedium

Let's design a system for URL shortening, like TinyURL. Assume a large-scale service. Please consider the following aspects in your design: Functional Requirements: The system should generate shorter URLs (a.k.a. short links) given longer URLs. Users should be able to navigate to the original URL by entering the short link in their browser. The system should be highly available. Non-Functional Requirements: The system should have low latency for both URL shortening and redirection. Short links should be relatively short (e.g., 6-8 characters). The system should be able to handle a large number of URL shortening and redirection requests. Capacity Estimation: Assume 100 million URLs are shortened per day. Assume 1 billion URL redirections per day. Estimate storage requirements for 5 years. Design Considerations: How would you generate unique short links? What data structures and databases would you use to store the URL mappings? How would you handle collisions when generating short links? How would you optimize for low latency redirection? How would you scale the system to handle the expected traffic? Walk me through your design, explaining your choices and the trade-offs you considered. Provide diagrams where necessary to illustrate the architecture.

Database Problems

Dynamic Programming

Graphs

Greedy Algorithms

Arrays

Strings

Apple

This question asks the candidate about their salary expectations. Interviewers ask this to see if the candidate's expectations align with the company's budget. It's crucial to research industry standards and company compensation ranges beforehand. Be prepared to discuss your desired salary range and how your skills and experience justify it. For example, you might say, "Based on my research and experience, I'm looking for a salary in the range of $X to $Y, but I am flexible."

Behavioral

What is your expected salary range?

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