Remote Cloud-Native AI Harness Engineer II

Stacklok; New York (NY); Remote; USD 158,000 - 193,000; Full time

Benefits offered by this job

Equity

Medical, dental, and vision coverage

Flexible hybrid or remote work

Flexible PTO

Paid holidays

Paid parental leave

Team offsites

Job summary

Stacklok is building open, Kubernetes-native infrastructure to run AI agents securely and reliably at scale. As a Software Engineer II on the Mecatl team, you will build the platform agents run on, from the engine to client surfaces, while ensuring security and governance.

This is a hands-on role with independence and a strong focus on production readiness. We operate as an AI-first engineering team, using agents throughout our development lifecycle.

Qualifications

• Proficiency in Go with clean, testable code.
• Ability to deliver features independently across backend/platform codebases.
• Experience with distributed systems and cloud-native infrastructure (Kubernetes, containers, service APIs).
• Personal AI-assisted development workflow with awareness of risks.

Responsibilities

• Build and deliver features across Mecatl, including agent loop, tool and permission systems, session and state management, Kubernetes runtime, client SDKs.
• Fix bugs and harden the harness for production use, improving reliability and security.
• Write testable, readable code and produce design docs; review PRs including AI-assisted changes.
• Understand outcomes and break down work with the team anchor; escalate as needed.
• Use AI agents as part of your workflow, review and own outputs; iterate to improve processes.

Skills

Go

Independent delivery

Kubernetes

AI workflow

Agent infrastructure

Product mindset

AI-first

Communication

Startup attitude

Tools

gRPC

HTTP

TypeScript SDK

Terminal client

Job description

Stacklok is building open, Kubernetes-native infrastructure to run AI agents securely and reliably at scale. As a Software Engineer II on the Mecatl team, you will build the platform agents run on, from the engine to client surfaces, while ensuring security and governance.

This is a hands-on role with independence and a strong focus on production readiness. We operate as an AI-first engineering team, using agents throughout our development lifecycle.