Senior/Lead AI/ML Engineer

🏢 Ryz Labs · all Ryz Labs jobs
📍 Argentina
📅 Posted 2026-07-30 · via Himalayas
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At Ryz Labs we are looking for a Senior / Lead AI/ML Engineer to design and ship production-grade conversational AI agents with advanced tool use and orchestration capabilities. This is a hands-on role where you’ll work closely with the internal team to build, scale, and harden real-world LLM systems in a production AWS environment.

You’ll be embedded with the team, contributing directly to architecture decisions and implementation.
Key Responsibilities

- Design and implement LLM-powered conversational agents in production

- Build robust agent orchestration systems , including:
- State management

- Pause/resume flows

- Journey and mode routing

- Failure handling and recovery

- Develop and integrate tooling via MCP or gateway-style architectures , including:
- Schema design

- Authentication & authorization

- Idempotency handling

- Auditability

- Create and maintain custom evaluation frameworks for LLM performance and reliability

- Operate and deploy systems in a production AWS environment

- Collaborate closely with internal stakeholders in an embedded delivery model

Required Qualifications

- Proven experience shipping production LLM agents with tool use

- Strong expertise in Python

- Hands-on experience with:
- Agent orchestration patterns (state machines, routing, retries, etc.)

- Tool integration frameworks (MCP or similar gateway approaches)

- Experience working in production AWS environments , including:
- EKS

- Lambda / EventBridge

- IAM

- Bedrock / Agent runtimes

- Logging and monitoring systems

- Experience with at least one LLM observability/evaluation platform in production (e.g., Arize AX, Langfuse, Phoenix)

Preferred / Nice to Have

- Experience with AWS Bedrock and AgentCore (Runtime + Gateway)

- Familiarity with Strands , or ability to ramp quickly from LangGraph / LangChain

- Experience implementing governed memory systems

- Background in regulated environments (fintech, banking, etc.)

Originally posted on Himalayas

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