21 hours 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.
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