{"id":306925,"url":"https://alion.io/job/sandbar-aiml-engineer-lead","title":"AI/ML Engineer, Lead","company":{"id":456105,"name":"Sandbar","domain":"sandbar.com","url":"https://alion.io/company/sandbar-3","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"D","score":40,"open_postings":12,"ghost_share":1,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-01T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":210000,"max":290000,"currency":"USD","period":"year","gross":null,"usd_annual":290000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Human-in-the-Loop","optional":false},{"name":"Machine Learning","optional":false},{"name":"Multimodal AI","optional":false},{"name":"Post-training","optional":false}],"status":"live","first_seen_at":"2026-02-08T22:08:30Z","employer_posted_date":"2026-02-08","last_verified_at":"2026-10-01T03:50:38Z","board_verified":true,"closed_at":null,"days_open":235,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":234},"description":"About Sandbar\nSandbar is an interface company in New York City. We aim to augment individuals so we can each think, act, and move more freely. Our team has built SW, ML, and HW products across Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.\nOur first product, Stream, is a self extension-a private voice ring and conversational interface. Stream has been featured in WSJ, Bloomberg, & Wired, and begins shipping in Summer '26.\nJoin us in creating technology that extends human thinking.\nAbout\nWe’re looking for a Lead ML Engineer to build Stream, a new conversational interface. As an ML Lead, you will architect, build, and deploy a new interface which spans agentic control, multimodal interactions, and information retrieval. This role is perfect for someone who cares deeply about real-world ML deployment and human-in-the-loop agentic interactions.\nResponsibilities\nLead architecture, strategy, and tradeoffs for our ML-based products\n\nDesign and improve user-facing model-based experiences, including agentic control, conversational interactions, and information retrieval.\n\nDevelop infrastructure to rapidly develop, evaluate, and deploy models\n\nOptimize inference pipelines for latency, reliability, and concurrency\n\nWork closely with other ML/AI engineers, infrastructure engineers, designers, and cofounders on existing and future products\n\nQualifications\n6+ years in machine learning experience\n\nExperience shipping ML-based products is required\n\nExperience in large-language model evaluation and post-training is required\n\nExperience in audio / voice ML is a plus\n\nComfortable writing production-grade software\n\nPassion for human-computer interaction\n\nExperience setting technical direction and driving execution with multidisciplinary teams\n\nFTE Benefits\nHealth, vision, and dental benefits\n\nCompany-sponsored 401(k)\n\nUnlimited PTO and sick time\n\nEarly stage equity","description_format":"text","description_chars":1892,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Unlimited PTO"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Speech & Audio AI","Smartwatches & Fitness Trackers"],"lifecycle":[{"event":"open","at":"2026-09-05T15:32:39Z"}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.211,"p_room":0.28,"age_days":234,"expected_fill_days":31,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-01T05:45:00Z"},"pay":{"stated_usd_annual":290000,"is_top_pay":true},"html_url":"https://alion.io/job/sandbar-aiml-engineer-lead","json_url":"https://alion.io/job/sandbar-aiml-engineer-lead.json","meta":{"generated_at":"2026-10-02T01:44:14Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2251,"day_limit":5000,"remaining_today":2749,"minute_limit":60,"resets_at":"2026-10-03T00:00:00Z"}}}