Senior Software Development Engineer, AWS IAM Control Plane

Amazon

Amazon

Software Engineering

Seattle, WA, USA

Posted on May 18, 2026

Description

At Amazon Web Services Identity and Access Management (AWS IAM) we build, operate, and innovate the identity management, authentication, and authorization stack for the AWS cloud. Our mission is to push the technical boundaries to enable AWS customers to run their business workloads confidently and securely. As part of this mission, we Think Big and Dive Deep as we leverage technology to give customers state-of-the-art controls to manage access across all their AWS environments. At IAM, we operate one of the largest distributed systems in the world, which processes tens of millions of transactions per second.

With the growth of AWS, the customer workloads and access patterns keep evolving, demanding the next order of magnitude scalability. We are looking for a Senior Software Engineer to join the team behind foundational IAM functionality.

Key job responsibilities
- Lead the design and implementation of foundational security improvements across IAM services
- Identify and drive investments that proactively reduce risk across authentication and authorization surfaces
- Partner with security, applied science, and service teams to define and prioritize high-judgment technical initiatives
- Deliver production systems that operate at AWS scale with the highest availability and correctness requirements
- Mentor engineers and raise the technical bar through design reviews, code reviews, and operational excellence

A day in the life
As you design and code solutions to help our team drive efficiencies in software architecture, you’ll create metrics, implement automation and other improvements, and resolve the root cause of software defects. You’ll also:

* Build high-impact solutions to deliver to our large customer base.
* Participate in design discussions, code review, and communicate with internal and external stakeholders.
* Work cross-functionally to help drive business decisions with your technical input.
* Work in a fast-paced development environment, where you’re always working on the most important stuff.