Mid-Senior Agent Harness Engineer, Python, TypeScript

Job not on LinkedIn

🔥 0 minutes ago

Apply Now

Find Similar Remote Jobs

Receive Emails For Remote Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Cross Border Talents

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2013

🎯 Recruiter

👥 HR Tech

Recruitment • HR Tech

Cross Border Talents is a company that specializes in sourcing, recruiting, and supporting international talent for employers operating across borders. It focuses on helping organizations hire, onboard, and manage employees from different countries and may offer related services such as immigration guidance, global payroll, and relocation support.

📋 Description

• 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 • Collaborate directly with founders and product stakeholders • Own technical surfaces end-to-end

🎯 Requirements

• Experience building or significantly modifying AI agents • Strong Python development skills • Strong TypeScript development skills • Experience with agent architectures and orchestration systems • Experience shipping production software rapidly • Strong systems thinking and architectural decision-making abilities • Experience working with APIs, integrations, and distributed systems • Strong understanding of AI-assisted development workflows • Open-source contributions within AI ecosystems (preferred) • Experience with developer tooling and automation (preferred) • Experience creating custom agent workflows, MCP servers, or CLI tooling (preferred) • Infrastructure and DevOps experience (preferred) • Experience with Slack or Microsoft Teams applications (preferred) • Previous startup or founder experience (preferred) • Deep interest in AI systems, evaluation methodologies, and emerging models (preferred)

🏖️ Benefits

• Competitive compensation package • Meaningful early-stage equity • Direct collaboration with founders • High ownership and autonomy • Opportunity to build core AI technology used by real customers • Fast product feedback cycles • Remote-first work environment within Poland • Exposure to cutting-edge AI systems and infrastructure