Build Agent Runtime Systems; Develop and improve agent runtimes
Design tool orchestration frameworks
Build memory and context management systems
Implement verification loops and agent self-checking mechanisms
Improve reliability and execution accuracy
Ship Integrations; Build integrations with business platforms and APIs
Implement OAuth, webhooks, schema mapping, and data synchronization
Create reliable workflows that operate on real customer data
Support integrations across platforms such as: Salesforce, HubSpot, Stripe, Shopify, QuickBooks, Notion, Microsoft Teams, Slack
Manage containerized workloads
Improve scalability and system reliability
Optimize infrastructure performance and operational costs
Support high-volume production workloads
Ship user-facing features directly into production
Work across backend, frontend, integrations, and deployment systems
Collaborate directly with founders and product stakeholders
Own technical surfaces end-to-end

Mid-Senior Harness Engineer, Python, TypeScript

Key skills