Software Development Engineer, WW Tax, Amazon eCommerce Services - Tax Engine

Amazon

One of the world's largest e-commerce and technology companies

Seattle, WA, USA

$129,300 - $223,600

Backend

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

Enterprise SaaS · E-Commerce

Description For Software Development Engineer, WW Tax, Amazon eCommerce Services - Tax Engine

Amazon's Tax Platform Services team is seeking a Software Development Engineer to work on one of the world's largest transactional distributed systems. This role focuses on the tax calculation platform that provides core services for calculating taxes (sales tax and VAT) for all Amazon sales globally. The position involves working with cutting-edge distributed systems that manage hundreds of millions of records and handle millions of service requests per minute.

The role requires expertise in Java, Linux, and Oracle-based environments, with a focus on building highly scalable and reliable systems. You'll be responsible for ensuring accurate tax calculations for Amazon's global operations, maintaining audit records, and staying current with complex international tax laws. The position offers the opportunity to work with customers and peers across Amazon's entire business spectrum on innovative features.

As part of the team, you'll contribute to all aspects of the software development lifecycle, including design, development, documentation, testing, and operations. The role demands strong problem-solving abilities, excellent communication skills, and the capability to deliver high-quality results in a fast-paced environment. This is an excellent opportunity for engineers who thrive on complex challenges and want to make a significant impact on Amazon's global e-commerce infrastructure.

Last updated 3 days ago

Responsibilities For Software Development Engineer, WW Tax, Amazon eCommerce Services - Tax Engine

Design and build innovative technologies in a large distributed computing environment
Create solutions to run predictions on distributed systems
Build distributed storage, index, and query systems
Design and code solutions for broadly defined problems
Work in an agile environment to deliver high-quality software
Calculate taxes for worldwide Amazon customers
Collaborate with cross-disciplinary teams

Requirements For Software Development Engineer, WW Tax, Amazon eCommerce Services - Tax Engine

Java

Linux

3+ years of non-internship professional software development experience
2+ years of non-internship design or architecture experience
Experience programming with at least one software programming language
Knowledge of design patterns, reliability and scaling
Experience with distributed systems

Benefits For Software Development Engineer, WW Tax, Amazon eCommerce Services - Tax Engine

Medical Insurance

Equity

Medical benefits
Financial benefits
Equity compensation
Comprehensive benefits package

Amazon

One of the world's largest e-commerce and technology companies

Seattle, WA, USA

$129,300 - $223,600

Backend

Mid-Level Software Engineer

In-Person

5,000+ Employees

3+ years of experience

Enterprise SaaS · E-Commerce

Amazon

Lowest Common Ancestor of a Binary Tree

Data Structures & AlgorithmsMedium

Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The lowest common ancestor is defined between two nodes p and q as the lowest node in T that has both p and q as descendants (where we allow a node to be a descendant of itself). For example: If the tree is [3,5,1,6,2,0,8,null,null,7,4], p = 5, q = 1, then the expected output is 3, because the LCA of nodes 5 and 1 is 3. If the tree is [3,5,1,6,2,0,8,null,null,7,4], p = 5, q = 4, then the expected output is 5, because the LCA of nodes 5 and 4 is 5, since a node can be a descendant of itself according to the LCA definition. If the tree is [1,2], p = 1, q = 2, then the expected output is 1. Consider these constraints: The number of nodes in the tree is in the range [2, 10^5]. -10^9 <= Node.val <= 10^9 All Node.val are unique. p != q p and q will exist in the tree.

Trees

Recursion

Amazon

How would you scale a social media platform to handle millions of users and real-time updates?

System DesignMedium

Let's explore scalability with a practical scenario. Imagine you're building a social media platform like Twitter, which needs to support millions of users who are constantly posting, liking, and re-sharing content. Consider these factors: Data Volume: Users generate terabytes of data daily. Read/Write Ratio: The platform experiences a high read-to-write ratio (many more reads than writes). Real-time Updates: Users expect to see new content and updates in real-time. Given these requirements, discuss the following: What are the key scalability challenges you anticipate? How would you approach scaling the platform's architecture to handle the increasing load, including database design, caching strategies, and load balancing? Describe specific technologies and techniques you might use to address each challenge. What are the trade-offs associated with different scaling approaches, and how would you evaluate the effectiveness of your scaling efforts?

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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