bluedoor data·Job Postings API·bluedoor.sh ↗

HomeCompaniesKnownAI / ML Engineer

AI / ML Engineer

Known · San Francisco, CA · On Site · Active · Ashby

Job facts

FieldValue
CompanyKnown
TitleAI / ML Engineer
Normalized title-
Department / teamEngineering / Engineering
LocationSan Francisco, CA, United States
Work modelOn Site
Employment typeFull Time
Salary-
Statusactive
ATS providerAshby
Posted / first seen / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Known.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Ashby.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in San Francisco.Open
Department jobsActive postings in Engineering.Open
Work model jobsActive On Site postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyKnown
Source7c77bcd1-4d9b-41a5-9122-db578313bf7f
ATS providerAshby

Description

Known - Founding Machine Learning Engineer San Francisco, CA (In-Person) 200k-375k Cash + Equity Known is a matchmaker that talks to users and supports them like a friend. Our mission is to empower humanity by applying general intelligence to human connection. Users join Known by telling us their life story. On average, our new users talk to our AI voice agent for 27 minutes , giving us a uniquely intimate multi-modal data set. We are a team of engineers who’ve created some of the most widely used AI-driven consumer products including Uber Eats , Uber, Faire and Afterpay . We love to work hard, with a high degree of autonomy and ownership. We work together in Cow Hollow, San Francisco. Learn more Known Our Launch Known’s 10M Seed | TechCrunch “You Don’t Need to Swipe Right” - Known | NYT Known | FastCompany Website About the Role We’re looking for founding machine learning engineers to continue to design and build Known’s core systems intelligence, driving our recommendation engine and agentic systems. This is a unique opportunity to work with an ultra-personal data-set, combining voice transcripts, images, and structured user data to create both personalized AI companions as well as predict human compatibility. You’ll work directly with Chen Peng, former head of ML at Uber Eats and Faire. What you’ll do It’s up to you to decide what part of the ML stack you’re most excited about working on. This could be : Training and deploying ML models that form the core of our recommendation engine Designing evals to assess recommendation ability and RL systems to learn from results data Building personalization and long-term memory systems into Known’s conversational AI Using LLMs to enhance our suite of user facing AI Agents You will own the end-to-end lifecycle of your models, from ideation and training to deployment and monitoring. Requirements 4-6 years experience training and deploying ML models in production, leveraging PyTorch and TensorFlow Applying or fine-tuning LLMs to build agentic systems or complex conversational AI Experience with neural network models Experience with model deployment and basic infrastructure (e.g., Docker, Kubernetes, AWS/GCP) You want to build intelligence that could lead to a million marriages and babies Our Investors We’re backed by Eurie Kim and Kirsten Green at Forerunner Ventures (the investors behind Decagon, Faire, and Oura), NFX and PearVC.

Full job record

Job IDf0ab68601eff1b2e428d379704365e8dd36538d2
Org IDc1cea604-73f8-4e83-913b-8873e01a9c90
Source ID7c77bcd1-4d9b-41a5-9122-db578313bf7f
Board ID7c77bcd1-4d9b-41a5-9122-db578313bf7f
Providerashby
Provider Job Keyb1961855-7af2-4465-97c2-2a95a52b3d40
TitleAI / ML Engineer
Normalized Title
Statusactive
Activeyes
Location TextSan Francisco, CA
DepartmentEngineering
TeamEngineering
Employment Typefull_time
Workplace Typeon_site
Remote Policy
CountryUnited States
RegionCA
CitySan Francisco
Salary Raw
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://jobs.ashbyhq.com/Known/b1961855-7af2-4465-97c2-2a95a52b3d40
Apply URLhttps://jobs.ashbyhq.com/Known/b1961855-7af2-4465-97c2-2a95a52b3d40/application
First Seen At2026-05-29 06:11:34Z
Last Seen At2026-06-06 09:17:45Z
Last Checked At2026-06-06 09:17:45Z
Last Changed At2026-05-29 06:11:34Z
Inactive At
Source Posted At
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=ashby/board=Known/date=2026-06-06/2026-06-06T09-17-40-519Z-faa889ebd5d8d7da0599c4e069ccc69450ed07c40aed6032858153fd4587ba08.json
Event Fields
{
  "content_hash": "6e9acf6da33dbf1c58320abc52a92e57d5348a7eabe69af93282741ed48d1a47",
  "source_hash": "963c380e93a8afd4b3e4e880cc34df4551f887910a0f85f2b87f86fd563c936a",
  "last_changed_at": "2026-05-29T06:11:34.353Z",
  "active_status": "active"
}
Parsed Structured
{
  "language": "en",
  "location": {
    "raw": "San Francisco, CA",
    "city": "San Francisco",
    "region": "CA",
    "country": "United States",
    "is_remote": false,
    "confidence": 0.9
  },
  "salary_max": null,
  "salary_min": null,
  "inferred_at": "2026-06-06T09:17:45.880Z",
  "launch_scope": {
    "reason": "english_us_canada",
    "included": true,
    "language": "en",
    "location": {
      "raw": "San Francisco, CA",
      "city": "San Francisco",
      "region": "CA",
      "country": "United States",
      "is_remote": false,
      "confidence": 0.9
    },
    "countries": [
      "United States"
    ]
  },
  "remote_policy": null,
  "salary_period": null,
  "workplace_type": "on_site",
  "salary_currency": null
}
Extensions
{}
Native Structured
{
  "id": "b1961855-7af2-4465-97c2-2a95a52b3d40",
  "team": "Engineering",
  "title": "AI / ML Engineer",
  "jobUrl": "https://jobs.ashbyhq.com/Known/b1961855-7af2-4465-97c2-2a95a52b3d40",
  "address": null,
  "applyUrl": "https://jobs.ashbyhq.com/Known/b1961855-7af2-4465-97c2-2a95a52b3d40/application",
  "isListed": true,
  "isRemote": false,
  "location": "San Francisco, CA",
  "updatedAt": null,
  "apiVersion": "ashby-non-user-graphql-v1",
  "department": "Engineering",
  "publishedAt": null,
  "workplaceType": "OnSite",
  "employmentType": "FullTime",
  "secondaryLocations": []
}
Get this page with API

Rendered from the bluedoor Job Postings API. Reproduce it:

GET https://api.bluedoor.sh/job-postings/v1/jobs/f0ab68601eff1b2e428d379704365e8dd36538d2?include=descriptionJSON
GET https://api.bluedoor.sh/job-postings/v1/orgs/c1cea604-73f8-4e83-913b-8873e01a9c90JSON
GET https://api.bluedoor.sh/job-postings/v1/sources/7c77bcd1-4d9b-41a5-9122-db578313bf7fJSON
GET https://api.bluedoor.sh/job-postings/v1/jobs/f0ab68601eff1b2e428d379704365e8dd36538d2/eventsJSON