AI Harness Engineer (100% Remote, Worldwide)
Tether Operations Limited15 days ago
Remote, WorldwideSenior
Responsibilities
- Deliver reliable, performant features and bug fixes for AI assistant software.
- Design and develop tools and modules that enable new AI capabilities across varied model types and sizes.
- Build and maintain agent harnesses with tool calling, agent loops, context management, and structured outputs.
- Develop evaluation and test infrastructure for non-deterministic AI systems.
- Implement peer-to-peer technology for use with local AI and support limitless scale.
- Maintain code quality through coding standards, code reviews, and automated testing.
- Design software to handle network partitions, model errors, timeouts, and retries.
Requirements
- 5+ years of experience building production software.
- Deep experience in P2P systems, AI/LLM tooling, or both.
- Hands-on experience building agent harnesses, including tool calling, agent loops, context management, and structured outputs.
- Experience building evaluations and test infrastructure for non-deterministic systems.
- Strong JavaScript and TypeScript skills, including modeling complex state in sync protocols or agent loops.
- Open-source contributions to P2P, networking, or AI tooling projects.
- Experience designing for failure scenarios such as network partitions, model errors, timeouts, and retries.
Benefits
- 100% remote work with a worldwide location policy.
Tech Stack
Categories
About Tether Operations Limited
Tether Operations Limited develops and issues reserve-backed digital tokens used by exchanges, wallets, payment processors, and merchants, most notably the USDT stablecoin available across multiple blockchains. Founded in 2014 and privately held, it earns revenue from token issuance, reserve management, and related services, and has expanded into tokenization, peer-to-peer communications (Keet), and Bitcoin mining. USDT is widely used in crypto trading and cross-border transfers, including in emerging markets.