{"id":306929,"url":"https://alion.io/job/sandbar-senior-software-engineer-infrastructure","title":"Senior Software Engineer, Infrastructure","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":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":160000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-02-08T22:05:05Z","employer_posted_date":"2026-02-08","last_verified_at":"2026-09-30T03:01:47Z","board_verified":true,"closed_at":null,"days_open":234,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":233},"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 an experienced infrastructure engineer to help build Stream, a new conversational interface. You will be responsible for developing a highly scalable real-time production service with various steps of ML and data processing. You’ll work closely with other mobile and firmware engineers to deliver the foundations for new human-computer interactions.\nResponsibilities\nArchitect a high-uptime, low-maintenance, and reliable distributed inference system\n\nLead observability and oncall\n\nAchieve very low latency & jitter with attention to P99 performance\n\nDevelop a safe rollout to production process in partnership with ML, SW, and mobile engineers\n\nImplement data pipelines for user-facing features and internal tooling\n\nQualifications\nProficient in Python and Javascript\n\nExperience in shipping consumer facing interactive real-time services\n\n2+ years owning a live production system in a small team, for large N of users\n\n2+ years working in a big infra teams (Google / Meta / etc)\n\nTechnical leadership for building a robust process with the team\n\nStrong ownership on healthy live service\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":1739,"description_truncated":false,"requirements":{"experience_years_min":2,"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"},{"event":"open","at":"2026-09-26T01:57:15Z"}],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.199,"p_room":0.28,"age_days":233,"expected_fill_days":42,"reasons":["conf:2","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-09-30T05:45:00Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/sandbar-senior-software-engineer-infrastructure","json_url":"https://alion.io/job/sandbar-senior-software-engineer-infrastructure.json","meta":{"generated_at":"2026-10-01T03:01:34Z","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":2471,"day_limit":5000,"remaining_today":2529,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}