{"id":1310556,"url":"https://alion.io/job/tether-ai-harness-engineer-100-remote-worldwide","title":"AI Harness Engineer (100% Remote, Worldwide)","company":{"id":43,"name":"Tether","domain":"tether.to","url":"https://alion.io/company/tether","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"A","score":92,"open_postings":104,"ghost_share":0,"stale_share":0.115,"repost_share":0,"time_to_fill_p50_days":65,"computed_at":"2026-10-21T05:46:15Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Copenhagen, Denmark"],"countries":["DK"],"hiring_countries":["DK"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":95000,"max_usd":245000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2216},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bitcoin","optional":false},{"name":"Function Calling","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"LocalAI","optional":false},{"name":"npm","optional":false},{"name":"Structured Outputs","optional":false},{"name":"Tokenization","optional":false},{"name":"Tool Use","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-09-25T18:30:28Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-10-21T02:48:52Z","board_verified":true,"closed_at":null,"days_open":25,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":24},"description":"Join Tether and Shape the Future of Digital Finance\nAt 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.\nInnovate with Tether\nTether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.\nBut that’s just the beginning:\nTether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.\nTether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.\nTether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.\nTether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.\nWhy Join Us?\nAs 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.\nDeliver new features and bug fixes with a focus on reliability, performance, and user satisfaction\n\nDesign and develop new tools and modules, enabling new AI capabilities while ensuring success of a wide variety of model types and sizes\n\nMaintain high codebase quality through consistent coding standards, code reviews, and automated testing\n\nImplement and develop P2P technology for use with local AI\n\nRequirements\nStrong competency in writing modular, maintainable code.\n\nExperience creating and managing reusable npm modules.\n\nSolid skillset in testing & debugging.\n\nStrong understanding and comfort with developing and using AI tools.\n\nDeep interest or experience with P2P technologies or distributed systems.\n\nComfort working in a remote, globally distributed team; good communication skills.\n\nHacker who never stops experimenting.\n\nQualifications\n5+ years building production software, with deep experience in P2P systems, AI/LLM tooling, or both\n\nHands-on experience building agent harnesses, including tool calling, agent loops, context management, and structured outputs\n\nExperience building evals and test infrastructure for non-deterministic systems\n\nStrong JavaScript/TypeScript, with experience modelling complex state, from sync protocols to agent loops\n\nOpen-source contributions to P2P, networking, or AI tooling projects\n\nExperience designing for failure, including network partitions, model errors, timeouts, and retries","description_format":"text","description_chars":3469,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Denmark","iso":"DK","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cryptocurrencies","Crypto Payments","Stablecoins"],"lifecycle":[{"event":"open","at":"2026-09-26T15:44:19Z"}],"visa":[],"liveness":{"score":73,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.812,"p_room":0.9,"age_days":25,"expected_fill_days":65,"reasons":["conf:2","velocity","win:mid","comp:brand"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/tether-ai-harness-engineer-100-remote-worldwide","json_url":"https://alion.io/job/tether-ai-harness-engineer-100-remote-worldwide.json","meta":{"generated_at":"2026-10-21T06:06:23Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8840,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":43},"rest":"https://alion.io/mcp/rest/get_company?id=43"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftether-ai-harness-engineer-100-remote-worldwide"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftether-ai-harness-engineer-100-remote-worldwide"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftether-ai-harness-engineer-100-remote-worldwide"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/tether-ai-harness-engineer-100-remote-worldwide\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftether-ai-harness-engineer-100-remote-worldwide"}]}