AI Harness Engineer (100% Remote, Worldwide)

Responsibilities

• At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.
• As an AI Harness Engineer, you’re not just building integrations for AI —you’re developing new and innovative ways to connect people to local AI, and how that AI will become a fixture in our lives. You will push QVAC to new levels, using P2P technology to enable limitless scale, making you essential to the company’s success in the competitive local AI assistant market.
• Design and develop new tools and modules, enabling new AI capabilities while ensuring success of a wide variety of model types and sizes
• Implement and develop P2P technology for use with local AI
• Strong understanding and comfort with developing and using AI tools.
• 5+ years building production software, with 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 evals and test infrastructure for non-deterministic systems
• Experience designing for failure, including network partitions, model errors, timeouts, and retries

Languages