Software Development Engineer, Penrose Networks

Amazon is hiring a Software Development Engineer, Penrose Networks in Dublin, Ireland. Level rates it ; you can apply on Amazon.

Level's read on this job

Level rates this software engineer role Uses AI ●●○○: an ordinary role that requires AI tools.
Tools and skills the posting cites include Rust, Java and C.
Level classifies it as a mid-level role.
Level lists 20,000+ other open roles at Amazon.

AI in this role

Design and build software systems for next-generation datacenter networking while leveraging AI coding agents to accelerate development.

RustJavaCLinuxAI agents

ai-agentssoftware-developmentdistributed-systemsnetworkingautomationsystem-architecture

A Software Developer Engineer in Penrose Networks at AWS owns the design and development of key components of Amazon’s next-generation datacenter network.

This includes building tools to provide network visibility to a wide range of internal operators, and systems to automate wiring and incremental expansion of DC networks, globally. You will collaborate with Network Engineering, DC Operations, and with a wide range of teams operating provisioning, configuration, deployment, monitoring and scaling tools.

Key job responsibilities
Develop world-class software systems for automating Amazon's network.
Provide technical direction to the team and identify areas of focus.
Create and review software design documentation
Collaborate with Principal Engineers and Scholars to ensure fast, smooth roll-out of new designs and products.
Own the operational excellence of the software you put into production.
Contribute to improving our documentation, processes, and tools so that we improve our performance as a team.

A day in the life
You will have frontier coding agents with unlimited tokens.

About the team
Penrose Networks is the next-generation datacenter network in AWS. Through a novel architecture based on special mathematical properties, we deliver more resilient, higher-bandwidth, and lower-cost networking compared to the current industry standard. Our team has invented this technology, proven its viability, and driven its adoption across AWS. We are currently working to further enlarge the adoption of this technology to a wider set of use cases and locations.

We are a tiger team. We are disruptors. Our team owns the network, software, and program management aspects that make this next-gen network a reality.

Basic qualifications

- Experience (non-internship) in professional software development
- Experience designing or architecting (design patterns, reliability and scaling) of new and existing systems
- Experience programming with at least one software programming language
- Ability to produce high output of high-quality code by overseeing multiple AI agents

Preferred qualifications

- Bachelor's degree in computer science or equivalent
- Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
- Knowledge of the tools of the trade, including a variety of modern programming languages (Rust, Java, C/C++), and a solid understanding of the Linux operating system

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

How we rate this

Software Development Engineer, Penrose Networks at Amazon rates 45 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.

Classification

Uses AI. An ordinary role that requires AI tools.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Software Development Engineer, Penrose Networks is an open job at Amazon.
Level rates this role AI Level 2 of 4: Uses AI.
The role is based in IE, D, Dublin.
The job was posted on August 28, 2026.
Seniority: mid.
Applications are handled by Amazon. Apply on Amazon

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

AI agentsSoftware DevelopmentDistributed SystemsNetworkingAutomationSystem ArchitectureRustJava

Also common in software engineer jobs at this level

Python TypeScript React Kubernetes JavaScript SQL

Pay

Typical software engineer job: $167k

This posting doesn't list pay. Use the typical software engineer figure when pay comes up. See software engineer jobs

Questions you could be asked

How do you decide when an AI agent can act on its own versus asking for approval first?
Tell me about a project where software development was part of your work. What did you do?
Tell me about a project where distributed systems was part of your work. What did you do?
Tell me about a project where networking was part of your work. What did you do?
Tell me about a project where automation was part of your work. What did you do?

Adapt your resume

List these exact terms on your resume: AI agents, Software Development, Distributed Systems, Networking, and Automation. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.

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