Senior AI Harness Engineer, Remote & P2P Infra

Lever, Inc.; United Arab Emirates; On-site; AED 441,000 - 661,000; Full time

Benefits offered by this job

Fully remote work environment

Autonomy and experimentation

Job summary

Lever, Inc. seeks an AI Harness Engineer based in the United Arab Emirates. You will build systems that connect people with local AI capabilities, bridging AI tooling, agent infrastructure, and peer-to-peer technology in a fully remote, globally distributed setup.

You’ll develop reusable tools, harness AI agents, and design resilient systems, collaborating with an international team while experimenting with emerging technologies.

Qualifications

• 5+ years of experience building and maintaining production software.
• Strong proficiency in JavaScript and TypeScript, including modeling complex state across synchronization protocols, agent loops, or similar systems.
• Hands-on experience building AI agent harnesses, including tool calling, context management, agent loops, and structured outputs.
• Experience developing evaluation systems and test infrastructure for non-deterministic AI or other complex systems.
• Experience creating and managing reusable npm modules.
• Strong testing and debugging skills, with a focus on reliability and production quality.

Responsibilities

• Build and deliver new features and bug fixes with a strong focus on reliability, performance, and user satisfaction.
• Design and develop reusable tools, modules, and integrations that enable new AI capabilities across different model types and sizes.
• Build and maintain AI agent harnesses, including tool calling, agent loops, context management, and structured outputs.
• Develop evaluation frameworks and testing infrastructure for AI systems with non-deterministic behavior.
• Implement and evolve peer-to-peer technology to support local AI and distributed use cases.
• Maintain a high-quality codebase through consistent coding standards, code reviews, modular architecture, and automated testing.
• Design systems that can reliably handle failures such as network partitions, model errors, timeouts, and retries.
• Develop and maintain reusable npm modules and shared software components.
• Experiment with new technologies and approaches to continuously expand AI and P2P capabilities.
• Collaborate effectively with a globally distributed engineering team while communicating technical ideas clearly.

Skills

JavaScript/TypeScript

System design

Modular code

AI harnesses

Testing & debugging

Open-source

Peer-to-peer

Remote collaboration

Experimentation

Tools

npm

Job description

Lever, Inc. seeks an AI Harness Engineer based in the United Arab Emirates. You will build systems that connect people with local AI capabilities, bridging AI tooling, agent infrastructure, and peer-to-peer technology in a fully remote, globally distributed setup.

You’ll develop reusable tools, harness AI agents, and design resilient systems, collaborating with an international team while experimenting with emerging technologies.