Senior AI Engineer (LLM & Agent Systems) — Platform
New York City, NY - USA
Job Summary
Core Ownership Areas
Develop reusable agent-based workflows to accelerate delivery across multiple projects.
Define and maintain evaluation standards to ensure consistent model performance over time.
Improve system reliability across key dimensions such as accuracy latency and robustness.
Build shared APIs and platform components used broadly across engineering teams.
Key Responsibilities
Design and implement orchestration patterns for LLM-powered agents.
Evaluate and select models tools and providers based on performance cost and reliability.
Build testing frameworks evaluation pipelines and monitoring systems for AI outputs.
Implement safeguards fallback mechanisms and cost optimization strategies.
Collaborate with platform and backend engineers to integrate AI capabilities into scalable services.
Identify repeatable patterns across projects and convert them into reusable platform features.
Required Experience
Strong background in building production-grade distributed systems or platform infrastructure.
Practical experience developing and deploying LLM-based or agent-driven systems.
Demonstrated ability to design for reliability observability and cost efficiency.
High standards for code quality and system design.
Nice-to-Have Experience
Familiarity with retrieval systems embeddings or context management pipelines.
Experience working within regulated or security-conscious environments.
Approach to Work
Prioritizes measurable quality through structured evaluation and testing.
Designs systems for reuse scalability and clean abstraction layers.
Focuses on building solutions that generalize beyond a single use case or team.
Required Skills:
LLM agent systems AI platform model evaluation orchestration distributed systems reliability engineering AI infrastructure vector search retrieval systems observability API development guardrails cost optimization