Software Development Engineer II, S3 Storage

About the Role: Software Development Engineer II, S3 Storage

As a Software Development Engineer II, S3 Storage in Amazon's Simple Storage Service (S3), you will tackle exciting problems at an incomparable scale. You will contribute to building systems that manage trillions of objects in storage, retrieve them in milliseconds across tens of thousands of hosts, all while maintaining 99.999999999% data durability. Amazon S3 powers businesses, nonprofits, and transformative organizations globally. In this role, you will collaborate with talented engineers and leaders to deliver system changes that delight customers and improve lives.

Key Job Responsibilities

As a Software Development Engineer II, S3 Storage, you will build and own services that persist and retrieve critical customer data. These services form the foundation of S3, presenting challenging technical problems due to S3's immense scale. Your work will significantly impact numerous customers. You will be responsible for designing and implementing new components and service improvements, collaborating closely with your team members to deliver impactful solutions.

A Day in the Life

A typical day involves writing code and solving large-scale problems. You will spend time delivering features, fixing bugs, enhancing testing, improving operational tooling, and collaborating on new component designs. You will also develop expertise in specific service areas, becoming a subject matter expert. Occasionally, you will lead operational investigations to resolve customer-impacting issues, document complex solutions, and leverage generative AI to automate root cause analysis, reducing manual operator involvement.

About The Team

The S3 Storage team builds and supports high-performance storage services for S3 customers. Working in an agile fashion, the team delivers and scales the service, including expansion into new availability zones by 2026. Key technical challenges include Security, Durability, Availability, Performance, and Cost.

Basic Qualifications

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

Preferred Qualifications

• 3+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations
• Bachelor's degree in computer science or equivalent

Key skills/competency

• Distributed Systems
• Cloud Storage
• Large-Scale Systems
• Software Design
• Data Durability
• Performance Optimization
• Reliability Engineering
• Scalability
• Problem Solving
• Generative AI