Software Dev Engineer II, Long Term Planning and Forecasting

Build the AI system that decides how Amazon plans. PIXIE is a new agentic AI platform that routes natural-language planning questions to specialist agents generates trustworthy data-grounded answers and automates business narratives all serving analysts across Amazons supply chain and finance organizations. Were hiring an SDE-II to own core platform subsystems in a greenfield high-ambiguity environment where your architectural decisions ship to production within weeks.

- Youll design and build production systems at the intersection of LLMs multi-agent orchestration and large-scale data retrieval
- Youll work on novel problems: agentic routing with confidence calibration stochastic evaluation and authorization-aware knowledge retrieval
- Youll ship visible impact PIXIE is LTPFs flagship AI investment with VP-level visibility and direct analyst adoption metrics
- Tight engineering team (8 SDEs) high autonomy rapid iteration cycles


Key job responsibilities
- Design build and operate core platform services for PIXIEs agentic AI system including agent runtime caching/cost-latency optimization observability and evaluation infrastructure
- Build and maintain the tool/agent registry that enables new capabilities to be discovered and invoked without redeployment
- Develop automated evaluation and regression harnesses for non-deterministic LLM outputs hallucination detection drift monitoring and faithfulness scoring
- Implement authorization-aware retrieval ensuring users never see content they arent entitled to
- Collaborate with Scientists on grounding methodology causal analytics productionization and retrieval-quality optimization
- Operate what you build on-call rotation runbooks operational dashboards and continuous improvement of system reliability
- Mentor teammates on system design code quality and operational best practices

About the team
Long Term Planning and Forecasting (LTPF) owns the models systems and tools that power Amazons long-range demand planning the forecasts that drive billions in inventory capacity and capital decisions. PIXIE is LTPFs AI-native platform: a conversational intelligence layer that lets analysts ask questions in natural language and get trustworthy data-grounded answers backed by Amazons planning data.

Were a small engineering team building from zero to production. Our stack spans multi-agent orchestration retrieval-augmented generation causal inference and automated business narrative generation. We operate like a startup inside Amazon fast iteration high ownership direct customer feedback loops with the backing of Amazon-scale data and infrastructure.

We value builders who thrive in ambiguity care deeply about correctness (especially when LLMs are involved) and want to shape the architecture of a system from its earliest days. If youve been looking for a role where you can combine distributed systems engineering with the frontier of applied AI and see your work used by thousands of planners across Amazon this is it.

- 3 years of non-internship professional software development experience
- 2 years of non-internship design or architecture (design patterns reliability and scaling) of new and existing systems experience
- 1 years of software development engineer or related occupational experience
- 1 years of designing and developing large-scale multi-tiered multi-threaded embedded or distributed software applications tools systems and services using: C# C Java or Perl experience
- 1 years of Object Oriented Design experience
- Bachelors degree or foreign equivalent in Computer Science Engineering Mathematics or a related field
- Experience programming with at least one software programming language

- 3 years of full software development life cycle including coding standards code reviews source control management build processes testing and operations experience
- Bachelors degree in computer science or equivalent

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 for more information. If the country/region youre applying in isnt listed please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience qualifications and location. Amazon also offers comprehensive benefits including health insurance (medical dental vision prescription Basic Life & AD&D insurance and option for Supplemental life plans EAP Mental Health Support Medical Advice Line Flexible Spending Accounts Adoption and Surrogacy Reimbursement coverage) 401(k) matching paid time off and parental leave. Learn more about our benefits at WA Bellevue - 143700.00 - 194400.00 USD annually