2 months ago
Bellevue, WA, USAMid Level
H1B sponsor
Base Salary
$144k - $194k/yr
Responsibilities
- Design, build, and operate production platform services for PIXIE’s agentic AI system.
- Develop agent runtime, caching and cost-latency optimization, observability, and evaluation infrastructure.
- Build and maintain a dynamic tool and agent registry that supports capability discovery without redeployment.
- Create automated evaluation and regression harnesses for non-deterministic LLM outputs, including hallucination detection, drift monitoring, and faithfulness scoring.
- Implement authorization-aware retrieval so users only access content they are entitled to view.
- Collaborate with scientists on grounding methodology, causal analytics productionization, and retrieval-quality optimization.
- Participate in on-call rotation, maintain runbooks and operational dashboards, and improve system reliability.
- Mentor teammates on system design, code quality, and operational practices.
Requirements
- At least 3 years of non-internship professional software development experience.
- At least 2 years of non-internship experience designing or architecting new and existing systems for reliability and scaling.
- At least 1 year of software development engineer or related occupational experience.
- At least 1 year designing and developing large-scale, multi-tiered, multi-threaded, embedded, or distributed software applications, tools, systems, or services using C#, C++, Java, or Perl.
- At least 1 year of object-oriented design experience.
- Bachelor’s degree or foreign equivalent in computer science, engineering, mathematics, or a related field.
- Experience programming with at least one software programming language.
- Preferred: 3+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
- Preferred: bachelor’s degree in computer science or equivalent.
Benefits
- Comprehensive health insurance including medical, dental, vision, and prescription coverage.
- Basic Life and AD&D insurance, optional supplemental life plans, employee assistance and mental health support, and a medical advice line.
- Flexible Spending Accounts and adoption and surrogacy reimbursement coverage.
- 401(k) matching, paid time off, and parental leave.
- Sign-on payments and restricted stock units are included in the Amazon package.
- Position is based in Bellevue, Washington, USA; the posting does not specify a remote or hybrid arrangement.
Categories
About Amazon
Amazon builds and operates a global e-commerce marketplace, logistics network, and consumer devices, and provides cloud computing via AWS for businesses and developers. The company earns revenue from online retail, third‑party seller services, subscriptions like Prime, advertising, and AWS usage. Founded in 1994 and headquartered in Seattle, it is publicly traded on NASDAQ (AMZN) and serves customers in dozens of countries.