Senior Platform Engineer - Remote AI Orchestration

Stello Agents; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Stello Agents is seeking a Senior Software Engineer for the Platform team to own the orchestration, evaluations, observability, and guardrails that keep agents safe in production. You will build the shared foundation for Forward Deployed Engineers and set the engineering bar across architecture, performance, and reliability, shipping robust agents for enterprise clients.

You will mentor teammates, shape task breakdowns for agents, and drive improvements from data into reusable components while

Qualifications

• 5+ years building production software that people depended on.
• Sound judgment about architecture, testing, reliability, and maintainability.
• Experience with distributed systems, queues, or workflow engines.
• You have built with LLMs, and you can explain how you measured and improved their output.

Responsibilities

• Design and build orchestration for long-running, multi-step agents.
• Build the evaluation system that assesses changes to prompts, models, or tools.
• Give every agent run traces, metrics, and alerts, so we see a problem early.
• Build controls: permissions, rate limits, human review steps, and safe failure modes.
• Turn client work patterns into reusable components for delivery teams.
• Make recommendations, explain your reasoning, and raise issues early when plans change.

Skills

Distributed systems

LLMs integration

Production software

Code review

Delivery ownership

System design

Job description

Stello Agents is seeking a Senior Software Engineer for the Platform team to own the orchestration, evaluations, observability, and guardrails that keep agents safe in production. You will build the shared foundation for Forward Deployed Engineers and set the engineering bar across architecture, performance, and reliability, shipping robust agents for enterprise clients.

You will mentor teammates, shape task breakdowns for agents, and drive improvements from data into reusable components while