OptiTalent · Job Finder
Data jobs in California, United States
2,472 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
Data jobs in California at a glance
- Open roles
- 2,472
- Remote
- 10%
- Posted in the last 30 days
- 519
- Advertised pay, middle half
- $200K – $310Kmedian $250K
From the 2,064 data jobs here that state yearly pay in USD: the top of each advertised range. Updated nightly.
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1,361–1,380 of 2,472 jobs
ML Systems - Member of Technical Staff
3 months agoSimile · San Francisco, California, United States
On-siteFull-timeLead / staff$200K – $400K a yearData & AIPilots don't train with real passengers. Actors don't rehearse with real audiences. Yet, the most consequential decisions in society are often pushed straight to production.
Applied AI Engineer, Business Automation
3 months agointerface.ai · San Francisco, California, United States
On-siteFull-timeMid level$220K – $260K a yearData & AIAs our Applied AI Engineer, Business Automation, you'll build the systems that make every team at interface.ai more productive. Work across engineering, product, sales, marketing, customer success, finance, operations, and talent to understand how work gets done, identify the…
Staff ML Engineer, Agent Training & Environments
3 months agoLabelbox · San Francisco, California, United States
Lead / staff$250K – $280K a yearData & AILabelbox is the RL data factory for advancing frontier agent capabilities. We build the data, environments, and evaluations that frontier labs use to train and judge their agents.
Senior Machine Learning Engineer
3 months agoPlenful · San Francisco, California, United States +3
HybridFull-timeSenior$146K – $207.5K a yearData & AIHealthcare's back office still runs on faxes, PDFs and phone calls. AI can take that work off people's plates, but only if it is accurate enough to trust with patient and financial data.
Applied Intuition · Sunnyvale, California, United States
On-siteFull-timeMid level$151K – $258K a yearData & AIWe are looking for a Machine Learning Engineer with expertise in ML-first behavior prediction and planning. You will develop ML-first behavior modules that can predict the future trajectories and behaviors of road users and predict their interactions. You will work closely with…
HRL Laboratories · Calabasas, California, United States
On-siteFull-timeMid level$140.7K – $175.9K a yearData & AIJoin a research team advancing next generation intelligent systems. This role focuses on machine learning, multimodal AI, cognitive state sensing, and cognitive modeling. You will help develop adaptive software prototypes for mission driven R&D programs.
Mistral · Paris, Ile-de-France, France +2
HybridFull-timeSeniorData & AIWe are seeking a highly skilled and motivated Technical Program Manager to lead and scale human data annotation operations for our Code team. In this pivotal role, you will collaborate closely with researchers to define and drive data strategies. This role is a critical link…
Senior/Staff AI Scientist (Polytope Bio)
3 months agoAstera Institute · Emeryville, California, United States +1
RemoteFull-timeLead / staff$200K – $300K a yearData & AIToday's frontier biological AI models are trained almost entirely on static, pre-existing data. They are powerful pattern matchers, but lack feedback from real biology.
Software Engineer, Data (Starlink)
3 months agoSpaceX · Hawthorne, California, United States
Full-timeMid level$125K – $160K a yearData & AIDevelop a highly reliable and scalable enterprise data platform empowering users to ingest, process, store, and query at petabyte-scale; Create new functionality and end-to-end data pipelines that improve how the business at SpaceX operates; Collaborate with peers on…
Member of Technical Staff, Data Engineering
3 months agoParallel Web Systems · San Francisco, California, United States +1
On-siteFull-timeLead / staff$150K – $300K a yearData & AIYou will build the data foundations that powers model training, product building and analytics across the company. You will work across the full lifecycle: designing pipelines that ingest and transform data at scale, building the storage and serving layers that make it fast and…
AI Researcher
3 months agoVarick Agents · San Francisco, California, United States
Full-time$200K – $250K a yearData & AIYou make our agents better at the actual work. You own the post-training loop: taking real workflow data from our deployments and turning it into models and evals that push agent accuracy where a demo-grade model fails on the tenth run.
Data Center Commissioning/Quality Manager
3 months agoCoreWeave · Livingston, New Jersey, United States +4
RemoteSenior$143K – $191K a yearData & AIWe are seeking an SME for Data Center Commission and Quality. This role demands direct knowledge of data center construction, with a strong focus on MEP systems.
Senior Data Scientist
3 months agoRoku · Santa Monica, California, United States
HybridSenior$169.9K – $189.7K a yearData & AIThe Core Analytics Team is a centralized function dedicated to providing data-driven insights to drive business and product success. We work closely with our Product, Engineering, and Marketing teams to deliver exceptional experiences to our customers while maximizing the value…
Lead Research Engineer, Data Quality
3 months agoHUD · San Francisco, California, United States +1
On-siteFull-timeLead / staff$120K – $295K a yearData & AIWe’re looking for a Lead Research Engineer, Data Quality to own how HUD measures, improves, and scales the quality of training data for frontier agents. You’ll lead the data quality team in building the systems that evaluate thousands of tasks across RL environments, synthetic…
Riot Games · Los Angeles, California, United States
Lead / staffData & AIDesign, build, and optimize scalable ETL pipelines for structured and semi-structured data supporting Insights use cases, growth metrics, and other publishing/marketing focused data sets.; Design and implement data models using industry best practices that capture a complete…
NewsBreak · Mountain View, California, United States
Mid level$118K – $212K a yearData & AIWe are rethinking how software is built in an AI-native world.
Headway · New York, United States +2
HybridFull-timeManager$212K – $265K a yearData & AIAs Senior Data Science Manager for Provider Experience, you will define and lead our data science strategy for our providers experience at Headway. You will report into Headway's Provider Experience Group, a mission critical pillar to becoming a practice partner for our…
MaintainX (An Autodesk Company) · San Francisco, California, United States +3
HybridFull-timeSenior$131.4K – $236K a yearData & AIWe are seeking a highly skilled and motivated Senior Applied Machine Learning Developer to guide the technical direction and architecture of our Predictive Maintenance and Asset Intelligence initiatives.
Senior AI Engineer — Agents
3 months agoMira Mace · San Francisco, California, United States
HybridFull-timeSeniorData & AITurn goals into a roadmap. Take a goal like "more signups reach their first visit" or "claims get paid faster," break it into the problems behind it, size them, and decide what to build first. You write the plan, defend the tradeoffs, and change it when the data says to.; Build…
Manager of Marketing Analytics
3 months agoVesync · Tustin, California, United States
On-siteFull-timeManagerFrom $150K a yearData & AIThe Manager of Marketing Analytics and Operations is responsible for driving data-driven decision-making and operational excellence within the marketing organization. This role leads the measurement, analysis, and optimization of marketing performance, manages marketing…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.