Founding ML Engineer: Personalization & User Modeling
Oak Recruiting
Willow is seeking a Founding ML Research Engineer to build its personalization layer in San Francisco. This in-person role focuses on user modeling and context-aware AI, turning dictation into personalized communication and intent. You will ship quickly, learn from real-world usage, and shape Willow's product as the company scales. Visa sponsorship is not available; applicants must live in the SF Bay Area or relocate to San Francisco. #J-18808-Ljbffr Oak Recruiting
$230k
...changes on behalf of a user, authorization,... ...trust become the real engineering challenge.... ...functions that let AI models take real actions.... ...Our CEO previously founded Stormpath (acquired... ...it, decide what the ML stack at Arcade looks... ...This role is in person at our San Francisco...SuggestedWork at officeShift work$150k - $250k
Founding Machine Learning Engineer (ML Research Engineer), full-time, in person in San Francisco, CA. $150K - $250K base plus equity. Location... ...from individual power users to enterprises like Uber, Gusto... ...problem in AI products is not raw model capability, but context and...SuggestedFull timeLive inRelocationVisa sponsorship- One Robot (YC W26) seeks an engineer to build world models that simulate manipulation scenes and validate policies in a scalable way. You will develop generative models with controllability and physical fidelity matching real-robot behavior. You will train video and dynamics...Suggested
$200k - $300k
...of Pally. Pally is a personal assistant that lives in... ...hands-on research and engineering role. You'll be in the... ...preference data, and post-train models (SFT, preference tuning... ...experience. Bring ML across the agent:... ...you ship. ~ You want founding-team scope. You'll set...SuggestedFull time- ...a Senior Machine Learning Engineer to advance how membership offers are personalized across Uber and Uber Eats. You will own models that determine which offers... ..., budget constraints, and user experience. You will... ...business goals into concrete ML problems that drive measurable...Suggested
- A biotechnology firm in San Francisco is searching for a Founding Machine Learning Engineer to develop scalable ML systems focused on RNA biology. This entry-level full-time role involves designing training pipelines, developing distributed training strategies, and collaborating...Full time
- ...night of sleep into a personalized, data-driven recovery experience... ...for a Machine Learning Engineer to build and ship... ...’ll work across data, modeling, product, and... ...contribute Build and deploy ML models that improve sleep... ...helpful. Develop user behavior models that connect...Full timeImmediate startWorldwideNight shift
- ...seeking a Staff Machine Learning Engineer for the Rider Intelligence... ...scientific direction of homepage personalization and drive the design of ML solutions that improve user experience and engagement... ...methods, including sequential models, #J-18808-Ljbffr Uber Technologies...
$222.72k - $389.75k
...Staff Machine Learning Engineer to lead the... ...Ads Conversion Core Modeling team, building the... ...of-the-art applied ML projects for ads conversion... ...models to improve user action prediction... ...the office for in-person collaboration 1-2 times... ...position can be found here.US based...Work at officeLocal areaRelocationRelocation package- ...curating data solutions for foundation model development. We serve every frontier AI... ...valuation, and we're not slowing down. Founding Impact: You will own and architect core... ...you’ll have the opportunity to shape the engineering organization and lead major technical...Local area
$200k - $250k
...Founding ML Engineer — Computer Vision (Object Detection) Full time | Fruition Executive Search | Remote Job Job Information Technology... ..., and production serving path — end to end, from foundation models fine-tuned toward a specific catalog. The problem is...Full timeWork experience placementRemote work- ...ML/AI Research Engineer — Agentic AI Lab (Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation... ...optimization of agent-native AI models. You'll work at the intersection... ...and activated by hundreds of users and hundreds of thousands of decisions...Full time
- ...About The Role We're hiring a Founding Machine Learning Engineer to build the AI systems that power... ...they're not), and shipping models that real scientists depend on... ...is that you're a strong ML engineer who ships. This role is in‑person at our San Francisco office. The...Work at office
$203.5k - $299.3k
...reliable on-demand, logistics engine for last-mile retail delivery... ...us develop modern growth and personalization models that power DoorDash's growing... ...to implement new ML solutions to make the consumer... ...experience with solving end-user problems, and collaborate well...Hourly payWork at officeLocal areaRemote workFlexible hours- ...the role You’ll take a new model and get it running — correctly... ...and runtime team. You’re the person who turns ‘the chip can technically... ...: ~5+ years in systems or ML systems, with real depth in at... ...-driven tooling that did real engineering work, not demos. #J-18808-...Live in
- ...the Role We're looking for founding Machine Learning Engineers (MLEs) to own and improve our core action models end-to-end - the intelligence... ...over complex page state and user context. Unlike hosted browser... ...architecture creates unique ML challenges. This is a high-ownership...Sleeping nights
$180k - $230k
...agentic vision-language models. Their product is... ...prospects. Recently founded · Founding team stage ·... ...founding machine learning engineer to own the AI core of their... ...in a fast-moving, in-person environment. This role... ...systems in front of real users. What you'll be...Full timeH1bVisa sponsorship- Fruition Executive Search is seeking a Founding ML Engineer — Computer Vision for an AI commerce startup. This remote, full-time role targets... ...evaluation standards, and production serving, from foundation models to catalog deployment, shaping scale and impact. #J-18808-...Remote jobFull time
- Pinterest is seeking an experienced ML Engineer for Ads ML Engineering to develop and execute the evolution of... ...drive end-to-end ML projects, from data pipelines to model deployments, with a strong emphasis on personalization and scale. You will collaborate with multiple...
- ...Description Job Description Founding ML/AI Engineer San Francisco, on-site... ...pipelines and services the models run on. Work directly... ...You've put models in front of users, not just in notebooks. ~... ...search. How we work: In person in SF at our hacker house, 6...Full timeRelocation package
$170k - $250k
A pioneering stealth-stage AI company is seeking a Founding ML Engineer to lead investigations into model behavior and failure modes. This high-impact role involves collaborating with medical imaging vendors and hospitals, delivering key evidence for FDA submissions. The...- ...pioneering AI technology firm in San Francisco is seeking a Founding Machine Learning Engineer to develop LLM-powered systems for bioinformatics... ...with LLMs are essential, along with at least 2 years of ML model deployment experience. This role offers a competitive salary...
- Pinterest is seeking a Machine Learning Engineer in San Francisco to advance large-... ...systems, search, and ranking models. You will collaborate with ML teams to push the boundaries of AI-powered... ...passion for building practical AI that users love. #J-18808-Ljbffr Pinterest
- Discord is seeking a Senior Machine Learning Engineer to join the Safety ML team in San Francisco, focusing on building and deploying models for user safety, with real-time and batch systems for content understanding and account integrity. You will partner with product...
$292k - $417.2k
...the innovation behind personalized user experiences. With the... ...Director of Machine Learning Engineering and Infrastructure to... ...bridging advanced ML engineering with world... ...feature engineering, model training, evaluation,... ...in San Francisco and founded in 2014, Tubi is part...Full timeTemporary workLocal areaFlexible hours- Grindr LLC in San Francisco is seeking a Principal ML Engineer to lead groundbreaking efforts in Generative AI and machine learning... ...work closely with engineering teams to innovate solutions for personalized user experiences that impact the lives of millions of LGBTQ+...
$200k - $325k
.... Machine Learning Engineer Location San... ...evaluating, and deploying ML models into production.... ...on ML engineer who has personally taken models all the way... ...with the CTO and founding team on ML strategy and... ...learning systems to real users or customers. ~ Strong...Full timeH1bWork at officeRemote workRelocation package- ...Handshake was founded on a simple belief... ...Work together with engineers, scientists, operators... ...optimization, personalized notifications, and... ...leveraging cutting-edge ML infrastructure,... ...metrics, enhance user engagement, and contribute... ...machine learning models and features that...Full timeWork at officeRemote work
- ...under 12 months with millions of users and thousands of enterprise... ...still small enough that every person shapes what gets built. About the Role As a ML engineer at Wispr, you'll play a crucial... ...We Looking For? Previous founding or startup experience Experience...H1bWork at officeRemote workRelocationVisa sponsorshipFlexible hours
- ...Known feel magical: personalized matching... ...interactions that help users connect meaningfully... ...closely with the founding team (product, platform... ...the data and ML foundations and the... ...generation, model training, evaluation... ...functionally with platform engineers and product...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Founding ML Engineer: Personalization & User Modeling. Be the first to apply!
- senior ml engineer San Francisco, CA
- machine learning ai engineer San Francisco, CA
- machine learning software engineer San Francisco, CA
- ai ml engineer San Francisco, CA
- machine learning engineer San Francisco, CA
- graduate machine learning engineer San Francisco, CA
- computer vision machine learning engineer San Francisco, CA
- junior machine learning research engineer San Francisco, CA
- machine learning researcher San Francisco, CA
- intern - quantum machine learning for quantum computing San Francisco, CA



