Data Flywheel Engineer: Real-World ML Data & Evaluation
Sierra Ventures
Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. The Data Flywheel team builds signals, data, and feedback loops to turn model usage into measurable improvements. This hands-on role sits at the intersection of research and deployment, collaborating with researchers, engineers, customers, partners, vendors, and the open-source community to drive real-world impact. #J-18808-Ljbffr
- ...Reflection AI is seeking a hands-on ML/data role at the intersection of... ...translate model behaviors into measurable evaluations, design data-centric pipelines, and collaborate with researchers, engineers, and partners to drive real-world improvements. You will own end-to-end...Suggested
- ...datasets, continuously enriched by real-world clinical data. Together, we're building a... ...for an exceptional Research Engineer or Research Scientist to advance how we curate data and evaluate frontier AI models for... ...pipelines, evaluation systems, or ML research infrastructure....Suggested
$180k - $220k
...rely on to retrieve real-time, accurate, and... ...Our team includes engineers, researchers, product... ...delivering real-world impact. Whether you... ...looking for a hands‑on Data Engineer to help... ...tracking Support AI/ML and agent‑based... ...and applicable evaluation criteria. If AI‑...SuggestedFull timeImmediate startRemote workWork from homeFlexible hours$185k - $221.4k
...develop and critically evaluate therapeutic hypotheses.... ...Build and own production data infrastructure. Design,... ...time. Uphold high engineering standards and collaborate... ...mentor peers; partner with ML engineers,... ...resolution across messy real-world sources, and data quality...SuggestedRemote workFlexible hours- ...Founding Data Scientist / ML EngineerThe platform sees more about... ...and recall right on real shipments is the work.... ...'ll build the offline evaluation and online experimentation... ...: pipelines, feature engineering, and the messy work of making real-world data usable. You have...SuggestedWork at officeRemote work
- ...compute, environments, evaluations, secure sandboxes, high... ...own workflows, tools, data, and feedback loops into... ...of frontier research, real infrastructure, and go-... ...Requirements Strong software engineering skills in Python and... ...evaluation systems, or ML workflows used by...Remote workVisa sponsorshipRelocation packageFlexible hours
$240k - $295k
...the Technical Staff - Data Engineer Why Join Stand :... ...delivery mechanism. The real product is a scalable risk engine, our Stand World Model . We stay when... .... Curating data for ML and evals — training sets... ...they use AI, how they evaluate its output, and how it...Hourly payPermanent employmentFull timeTemporary workH1bWork at officeLocal areaVisa sponsorshipWork visaFlexible hours$218.4k - $365.2k
...Category Software Engineering Job Details... ...a way of life. The world of work as we know... ...fundamentally changing how data gets created,... ...patterns Build real-time data products... ...platforms that serve AI/ML workloads — not... ...recruiters assess and evaluate candidates’ resumes...- ...Brain Co. in San Francisco seeks a Machine Learning Engineer to deploy state-of-the-art models and automate real-world problems in healthcare, government, and energy.... ...powered solutions while staying at the forefront of ML development and engineering practices. #J-18808-...
- ...it up, and makes it real. That means defining the evaluation frameworks, building... ...Partner with research and engineering leads across pre-... ...operations, or ML engineering, with demonstrated... ...evaluation design, data pipelines, and... ...to build the world's most capable open-...Work at officeVisa sponsorship
$172.5k - $260.1k
...it’s a way of life. The world of work as we know it... ...management. We are looking for engineers to develop the Sales... ...platform that manages real-time ingestion and... ...processes conversational data from voice, video, and... ...recruiters assess and evaluate candidates’ resumes and...Full time$170k - $200k
About the RoleWe're looking for a Data Engineer who wants to operate like a founder. Not someone... ...impact how our products behave in the real world.The best people for this role think in systems... ...architectureExperience supporting AI or ML productsYou've used tools like Claude...Work at officeRemote workFlexible hoursShift work- ...your development. The real magic happens when you... ...backgrounds and experiences.World-class benefits: On top... ...build the foundational data infrastructure that... ...simple hypotheses into engineered features, manage secure... ...workflows, automated agent evaluation (LangSmith, Opik,...ApprenticeshipWork at officeLocal areaEasy work
- ...members the best of both worlds: plenty of focus time... ...for team members for our Data Platform roles are our San... ...’re looking for a Data Engineer to join our Data Foundations... ...platform, enabling both real-time and batch... ...teams, back-end engineers, ML engineers, and Data Science...WorldwideHome officeFlexible hours
- ...Vercel is seeking a Staff-level Engineer to lead the design and development of a next-generation Data Platform. You will architect a foundational system powering data across products, including real-time analytics and AI/ML initiatives. You'll define the technical vision...Remote work
$175k - $275k
...results that are changing lives. Senior Data Engineer About the role HealthLeap runs on... ...delivery. Produce trusted data for ML pipelines, customer analytics, and user-... ...passionate about applying frontier AI to real-world impact, join us in building healthcare's...Work at officeWork from homeHome office- ...SoLo is building the data function of the future:... ...risk, fraud, and data engineering across the entire SoLo... ...fraud detection sharp in real time. Translate ambiguous... ...Build and refine the evaluation harnesses that keep agent... ...observability systems for ML or agent pipelines....Remote work
- ...the fastest-growing AI data business in history. We... ...researchers to create evaluations, publish benchmarks, and... ...Partner hand-in-hand with world-class AI labs, Fortune... ...Work together with engineers, scientists, operators,... ...products. On the Data and ML Platform team, you will...Full timeWork at officeLocal areaRemote workFlexible hours
- ...transformed the digital world. But the physical... ...Physical AI— real-world robots for the... ...We are roboticists, engineers, operators, and builders... ...scale multimodal data enabling machines... ...pretraining, finetuning, evaluation, inference, and... ..., simulation, and ML infrastructure....
- ...Senior Data Engineer San Francisco, CA Hybrid About us Metriport... ...and exchange patient data in real-time: record retrieval that... ...customer growth, and helping evaluate the right tools (batch and... ...and beyond. Supporting AI/ML efforts - making sure the AI...Work at officeRemote workWork from homeRelocationFlexible hours
- ...We build the AI Growth Engine that Fortune 500 enterprises... ...revenue drivers in real-time.We are expanding our... ...Whether we are ingesting data into our high-performance... ...'ll need to master both worlds.The AI Semantic Layer:... ...models to power our generic ML systems.Enterprise...
- ...compensation platform, combining the world's largest real-time compensation dataset... ..., and Craft Ventures.The Data Team @ PaveAs part of the... ...product managers and software engineers to translate product needs... ...data warehouses.Exposure to ML workflows - you've collaborated...Flexible hours
$150k - $200k
...entrepreneurially minded and data-driven people who also... ...communities around the world.Taskrabbit is a hybrid... ...'re hiring a Staff Data Engineer to build the data foundation... ...major product bet with real evidence rather than... ...Marketing, BizOps, and ML partners in a small, fast...Seasonal workH1bWork at officeImmediate startFlexible hours- ...THE ROLE To build the data foundation that powers Stuut's intelligence... ...closely with our product and engineering teams to transform raw... ...reporting, and our AI/ML systems Design the canonical... ...something usable Have worked with real-world data from SaaS APIs, ERPs,...Full timeFlexible hours
- ...Sr Data EngineerDisney Entertainment and ESPN Product... ...global organization of engineers, product developers, designers... ...creativity to build world-class products, enhance... ...with robust, reliable, real-time data. As a Senior Engineer... ...with infrastructure, ML engineering, product,...
$198k - $297k
...Data EngineerIt all started with an idea at Block... ...We want to redefine the world's relationship with money... ....The RoleAs a Data Engineer, you will handle everything... ...frameworks, and ML-ready datasets that enable... ...equal opportunity employer evaluating all employees and job...Work at officeLocal areaRemote workFlexible hours$300k
...companies ever see. The Data Engineering team turns raw product data into... ...senior leadership to answer real business questions, with... ...layers that data scientists, ML engineers, and Data Daddy all... ...charting a path to make the world more free, equal, and just....Work at officeImmediate startWorldwideFlexible hours$250k - $300k
...Researcher or engineer? This role wants both, in one person. A profitable... ...and post-training data for leading AI labs in the US... ...many fields, from science to ML research itself Scaling data... ...more headcount Judging which real-world tasks are worth building, because...Full time$15k
...Staff Software Engineer, Data Infrastructure Location Employment... ...machine learning techniques to real-world problems in finance. For... ...the frontier of applying AI/ML to investment management. We... ...to deployment, effectively evaluating dependent technologies and collaborating...Full timeWork at officeLocal areaRemote work$180k - $250k
...company in San Francisco seeks a talented engineer to build infrastructure for voice AI conversations... .... The role involves creating distributed data pipelines and optimizing systems for large... ...candidates should have experience with AI/ML products, particularly in handling...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Data Flywheel Engineer: Real-World ML Data & Evaluation. Be the first to apply!
- data systems engineer San Francisco, CA
- finance data engineer San Francisco, CA
- data engineer contract San Francisco, CA
- big data devops engineer San Francisco, CA
- sr data engineer San Francisco, CA
- senior data engineer San Francisco, CA
- entry level big data engineer San Francisco, CA
- principal data engineer San Francisco, CA
- etl data engineer San Francisco, CA
- data engineer manager San Francisco, CA



