Systems Development Engineer II, Ads AI Core Infra (ACI)

Amazon is investing heavily in building a world class advertising business and we are responsible for defining and delivering a collection of self-service performance advertising products that drive discovery and sales. Our products are strategically important to our Retail and Marketplace businesses driving long term growth. We deliver billions of ad impressions and millions of clicks daily and are breaking fresh ground to create world-class products. We are highly motivated, collaborative and fun-loving with an entrepreneurial spirit and bias for action. With a broad mandate to experiment and innovate, we are growing at an unprecedented rate with a seemingly endless range of new opportunities.

As a DevOps Engineer, you will play a key role in managing the customer experience elements as well as the complex systems behind them. You will have the opportunity to support one of the most critical technical stacks in Amazon and work on tasks that helps to improve tech productivity and efficiency of the org.

Key job responsibilities Systems Development Engineer will contribute to all aspects of agile systems development life cycle including design, architecture, development, documentation, testing, and operations. Primary responsibilities include:

• Owning end-to-end design, development, deployment, and operation of Work Management Platform modules and features.
• Leading technical design for medium-to-large platform feature initiatives, making sound architectural decisions that balance complexity, scalability, and delivery speed.
• Developing tools, automation, and monitoring solutions; defining operational processes and improving operational excellence and readiness of platform systems.
• Engineering data pipelines, workflow orchestration, and integrations between the platform and upstream/downstream systems using AWS-native services (Step Functions, Lambda, DynamoDB).
• Building proactive monitoring with fail-fast alerting across mission-critical platform workflows to ensure system reliability and early issue detection.
• Troubleshooting, diagnosing, and fixing production software issues; implementing fixes for internally developed code with urgency.
• Reducing operational toil through force-multiplier tooling, infrastructure automation, and platform self-service capabilities.
• Collaborating with product managers and operations leaders to translate business requirements into technical solutions and drive the platform product roadmap.
• Contributing to design reviews and code reviews with substantive technical feedback; mentoring junior engineers on the team.