AI Harness Engineer (100% Remote, Worldwide)
Tether Operations Limited15 days ago
Remote, WorldwideSenior
Responsibilities
- Deliver features and bug fixes focused on reliability, performance, and user satisfaction.
- Design and develop tools and modules that enable new AI capabilities across varied model types and sizes.
- Maintain codebase quality through coding standards, code reviews, and automated testing.
- Build and implement peer-to-peer technology for local AI.
- Develop agent harnesses with tool calling, agent loops, context management, and structured outputs.
- Build evaluation and test infrastructure for non-deterministic systems.
- Design for failures including network partitions, model errors, timeouts, and retries.
Requirements
- 5+ years of experience building production software.
- Deep experience in peer-to-peer 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 across sync protocols and agent loops.
- Open-source contributions to peer-to-peer, networking, or AI tooling projects.
- Experience designing for network partitions, model errors, timeouts, and retries.
Benefits
- 100% remote work worldwide.
- Opportunity to work on QVAC, local AI assistants, and peer-to-peer technology at global scale.
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.