J

AI Harness Engineer

Jobgether • Netherlands
Remote
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AI Summary

Build AI harnesses and integrations that enable local AI capabilities through agent infrastructure and peer-to-peer technology. Develop reusable tools, evaluation frameworks, and reliable systems for non-deterministic environments. Require strong production software experience with JavaScript/TypeScript and hands-on AI agent harness, testing, and resilient distributed systems skills.

Key Highlights
Design and build AI agent harnesses, including tool calling, agent loops, context management, and structured outputs
Create evaluation frameworks and testing infrastructure for non-deterministic AI behavior
Implement and evolve peer-to-peer technology for local AI and distributed use cases
Key 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.

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Technical Skills Required
JavaScript TypeScript Distributed systems
Benefits & Perks
Fully remote work environment
Opportunity to work on emerging AI, agent infrastructure, and peer-to-peer technologies
High degree of autonomy and room for experimentation and technical innovation

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Nice to Have
Contributions to open-source projects related to P2P, networking, AI tooling, or adjacent technologies.

Job Description

As an AI Harness Engineer, you will build the systems and integrations that connect people with powerful local AI capabilities. You’ll work at the intersection of AI tooling, agent infrastructure, and peer-to-peer technology, helping create scalable experiences for the next generation of AI assistants. Your work will include developing reusable tools and modules, supporting diverse AI model types and sizes, and building reliable systems for non-deterministic environments. You’ll contribute to the evolution of P2P technology designed to enable local AI at scale. The role combines deep software engineering with experimentation and rapid technical exploration. You’ll join a remote, globally distributed environment where autonomy, technical curiosity, and continuous innovation are highly valued.
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Job Overview
Posted Date Sep 28, 2026
Employment Type Full-time
Experience Level Not Applicable
Location Netherlands
Category Programming
Company Jobgether
Mentioned Skills
javascript typescript artificial intelligence ai npm gdpr design systems ai tools

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