STA Engineer

Apple

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

San Francisco, CA, USA

$175,800 - $312,200

Embedded

Principal Software Engineer

In-Person

10+ years of experience

Hardware

Description For STA Engineer

Join Apple's dynamic hardware team as an ASIC STA Engineer, where you'll be at the forefront of developing revolutionary technology that impacts millions of users worldwide. This role offers an exceptional opportunity to work on cutting-edge System-on-Silicon (SoC) chips for high-end mobile applications, combining innovative design with practical implementation.

As a key member of our team, you'll take ownership of full chip and block level timing closure throughout entire projects, developing and maintaining critical methodology and flows for timing verification. Your expertise will be essential in generating block and full chip timing constraints, working in deep sub-micron technologies that push the boundaries of what's possible in mobile computing.

The position requires a seasoned professional with a Bachelor's degree and 10+ years of experience, bringing strong fundamentals in Digital design and proficiency in scripting languages like TCL and Perl. You'll collaborate with cross-functional teams to solve complex timing issues in major SoC building blocks, requiring both technical expertise and excellent communication skills.

Apple offers an outstanding compensation package, including a competitive base salary range of $175,800 to $312,200, plus opportunities for equity through stock programs and discretionary bonuses. The benefits package includes comprehensive medical and dental coverage, retirement benefits, educational reimbursement, and various stock participation options.

This role is perfect for a self-motivated individual who thrives on solving unprecedented challenges and wants to be part of a team that's transforming hardware technology. You'll work in an environment that values innovation, creativity, and the pursuit of excellence, with the opportunity to contribute to products that delight millions of customers worldwide.

Last updated 3 months ago

Responsibilities For STA Engineer

Full chip and block level timing closure ownership throughout the entire project
Develop and maintain methodology and flows related to timing verification and closure
Generation of block and full chip timing constraints
Work on Apple SoC chips in deep sub-micron technologies for high end mobile applications
Work closely with various multi-functional teams on resolving complex timing issues

Requirements For STA Engineer

Python

Bachelors Degree + 10 Years of Experience
Strong fundamentals in Digital design
Proficient in scripting languages (TCL and Perl)
Familiarity with ASIC design timing concepts
Ability to communicate optimally across all internal groups

Benefits For STA Engineer

Medical Insurance

Dental Insurance

401k

Education Budget

Equity

Relocation Benefits

Comprehensive medical and dental coverage
Retirement benefits
Employee stock programs
Educational reimbursement
Discretionary restricted stock unit awards
Employee Stock Purchase Plan with discount
Discretionary bonuses
Relocation benefits

Apple

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

San Francisco, CA, USA

$175,800 - $312,200

Embedded

Principal Software Engineer

In-Person

10+ years of experience

Hardware

Apple

Single Number II

Data Structures & AlgorithmsMedium

Given an integer array nums where every element appears three times except for one, which appears exactly once. Find the single element and return it. You must implement a solution with a linear runtime complexity and use only constant extra space. For example, if the input is nums = [2,2,3,2], the output should be 3. Another example, if the input is nums = [0,1,0,1,0,1,99], the output should be 99. How do you solve this problem, considering edge cases like empty input, presence of zero, and negative numbers?

Bit Manipulation

Arrays

Apple

How do you debug a lagging, mission-critical server using only a terminal?

System DesignMedium

You're troubleshooting a mission-critical server (cannot be rebooted) that is experiencing severe lag. You only have terminal access. Describe your debugging process, including specific commands and tools you'd use to diagnose the issue. For example, would you start by checking CPU usage, memory consumption, or disk I/O? What commands would you use to identify the most resource-intensive processes? How would you investigate potential network bottlenecks or file system issues? Be as detailed as possible in outlining your approach to pinpointing the cause of the lag and suggesting potential solutions, keeping in mind that a reboot is not an option.

Arrays

Strings

Two Pointers

Stacks

Binary Search

Sliding Windows

Linked Lists

Trees

Recursion

Graphs

Dynamic Programming

Greedy Algorithms

Bit Manipulation

Database Problems

Apple

Describe your approach to debugging malfunctions.

Behavioral

Let's discuss your approach to debugging malfunctions. Imagine you are on call for a critical e-commerce platform, and users start reporting that they are unable to complete their purchases. The error logs show a vague Transaction Failed message with no clear indication of the root cause. The customer service team is overwhelmed with complaints, and the business is losing revenue every minute the issue persists. Describe your initial steps in diagnosing the problem.** What tools or techniques would you use to gather more information? Would you focus on the front-end, back-end, or both? How would you prioritize your debugging efforts?** Would you start by examining the most recent code changes, monitoring server resources, or checking database connections? Explain your strategy for isolating the fault.** What methods would you employ to narrow down the potential causes of the malfunction, such as bisecting the code, using debugging tools, or performing hypothesis testing? Outline your approach to resolving the issue.** Once you have identified the root cause, what steps would you take to fix it quickly and effectively? How would you ensure that your fix does not introduce new problems? Discuss how you would prevent similar malfunctions from occurring in the future.** What proactive measures would you implement to improve the platform's reliability and resilience, such as adding better logging, implementing automated testing, or improving monitoring? Walk me through your thought process and provide specific examples of how you would tackle each step of the debugging process. I'm interested in hearing about your experience with similar situations and how you have successfully resolved them in the past.

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