Software Development Engineer, Network Lifecycle Management

We are looking for a Software Development Engineer to design, build, and operate core platform components of the UNS service. You will work on distributed systems challenges including workflow orchestration, multi-region resilience, quota management, and real-time monitoring — at a scale that directly impacts AWS network capacity delivery.

Key job responsibilities

• Design and implement features for the UNS workflow engine, including the Decider, Activity Worker, and State Service components
• Build and operate multi-region serverless infrastructure using AWS Lambda, DynamoDB, SWF, SQS, and EventBridge
• Develop libraries used by 30+ customer teams to automate network device operations
• Improve platform reliability through fault injection testing, alarm tuning, and automated recovery mechanisms
• Participate in on-call rotation, triaging operational issues across commercial and ADC partitions

About the team

The Unified Network Scaling (UNS) team builds and operates the workflow orchestration platform that powers network scaling across AWS's global infrastructure. UNS processes thousands of workflow executions daily, automating the deployment of network racks, bricks, and spans across 40+ regions. Our platform is used by 30+ networking teams to define, execute, and monitor complex multi-step device provisioning and deployment workflows that directly impact AWS's ability to add network capacity.

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

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
• Experience with AWS Services including EC2, Lambda, S3, DynamoDB, SQS
• Experience in a high volume, high production operations environment
• Experience with CI/CD pipelines build processes
• - Experience with multi-region or multi-partition deployments

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