Front End Engineer II, AWS Infrastructure, ADS-DSE

Amazon

World's most comprehensive and broadly adopted cloud platform, pioneering cloud computing and continuous innovation.

Seattle, WA, USA • Arlington, VA, USA

$129,300 - $223,600

Frontend

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

Enterprise SaaS · Cloud

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Description For Front End Engineer II, AWS Infrastructure, ADS-DSE

AWS Infrastructure Services is at the heart of Amazon Web Services' global operations, responsible for designing, planning, delivering, and operating all AWS global infrastructure. As a Frontend Engineer II, you'll join an elite team that keeps the cloud running, supporting all AWS data centers and their critical infrastructure components. The role offers an opportunity to work on highly scalable systems and innovative web tools that drive critical business decisions for AWS global infrastructure.

You'll leverage modern technologies like React, JavaScript, HTML5, and Python to create intuitive, responsive web applications that enable efficient data visualization and operational excellence. The position involves close collaboration with cross-functional teams, including UX designers and stakeholders, while working with AWS services such as Lambda, API Gateway, and Redshift.

The role combines technical expertise with leadership opportunities, as you'll mentor junior engineers and contribute to improving team processes. AWS offers a unique culture that values diverse experiences and promotes inclusive thinking. The company provides comprehensive benefits, including medical and financial packages, along with strong emphasis on work-life harmony.

This is an ideal opportunity for a mid-level frontend engineer looking to make a significant impact at scale, working with cutting-edge technologies in a collaborative environment. You'll be part of a team that values bold ideas and empowers you to own projects from conception to completion. The position offers competitive compensation ranging from $129,300 to $223,600 based on location and experience, plus additional benefits including equity and sign-on payments.

Last updated 3 months ago

Responsibilities For Front End Engineer II, AWS Infrastructure, ADS-DSE

Design and build innovative web tools and applications
Develop user-centric interfaces for data visualization
Integrate with back-end systems and AWS services
Support onboarding existing Tableau dashboards
Collaborate with stakeholders, UX designers, and cross-functional teams
Troubleshoot and resolve technical issues
Mentor junior engineers
Contribute to improving team processes and software quality

Requirements For Front End Engineer II, AWS Infrastructure, ADS-DSE

JavaScript

TypeScript

Node.js

React

3+ years of non-internship professional front end, web or mobile software development using JavaScript, HTML and CSS experience
1+ years of computer science fundamentals experience
Experience with common front-end technologies such as HTML, CSS, JS, TypeScript, and Node

Benefits For Front End Engineer II, AWS Infrastructure, ADS-DSE

Medical Insurance

401k

Medical, financial, and other benefits
Mentorship and career growth opportunities
Work-life harmony
Employee-led affinity groups
Inclusive team culture
Career advancement resources

Amazon

World's most comprehensive and broadly adopted cloud platform, pioneering cloud computing and continuous innovation.

Seattle, WA, USA • Arlington, VA, USA

$129,300 - $223,600

Frontend

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

Enterprise SaaS · Cloud

Amazon

Find the contiguous subarray with the largest sum.

Data Structures & AlgorithmsMedium

You are given an array of integers. Write a function to find the contiguous subarray with the largest sum and return that sum. For example: Given the array [-2, 1, -3, 4, -1, 2, 1, -5, 4], the contiguous subarray [4, -1, 2, 1] has the largest sum = 6. Given the array [1, 2, 3, 4, 5], the contiguous subarray [1, 2, 3, 4, 5] has the largest sum = 15. Given the array [-1, -2, -3], the contiguous subarray [-1] has the largest sum = -1. Your function should be efficient and handle arrays with both positive and negative numbers. Explain the time complexity of your solution. Can you implement this using dynamic programming? Are there other approaches? Discuss the tradeoffs of the various potential solutions.

Arrays

Dynamic Programming

Amazon

How would you implement a service like Twitter?

System DesignHard

Let's design a Twitter-like service. Consider the following: Core Functionality: How would you implement the ability for users to post tweets, follow other users, and view a timeline of tweets from the users they follow? Data Model: What database schema would you use to store tweets, user information, and follower relationships? Consider scalability and efficiency for reads and writes. Scalability: How would you handle a large number of users and tweets? Discuss strategies for sharding, caching, and load balancing. Real-time Updates: How would you ensure that users see new tweets in their timeline in near real-time? Consider using technologies like WebSockets or Server-Sent Events. Search: How would you implement a search feature that allows users to find tweets containing specific keywords or hashtags? Think about indexing strategies and search algorithms. Rate Limiting: How would you prevent abuse and ensure fair usage of the service? Describe your approach to rate limiting API requests. Example Scenario: Imagine a user, Alice, follows 1,000 other users, including Bob. Bob posts a tweet. Explain how that tweet would propagate to Alice's timeline, considering potential performance bottlenecks. Technology Stack: What technologies (programming languages, frameworks, databases, etc.) would you choose and why?

Database Problems

Graphs

Arrays

Strings

Amazon

Describe a time you had a project conflict and how you handled it.

Behavioral

Tell me about a time you ran into a conflict with a project. How did you handle it?

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