Data Scientist

Data Scientist

This job is no longer open
At Weights & Biases, our mission is to build the best developer tools for machine learning. W&B helps ML engineers train high-performing, fair, and reproducible models; visualize and analyze their progress; and share their work effectively with collaborators and the whole field. 

You would become an early member of the Data Science team. On the Data Science team, we’re passionate about understanding and improving the customer experience of the platform and tools through measurement, analysis, modeling, development, and peer mentorship. 

This team gets to partner with product, engineering, and growth to ensure a virtuous cycle of customer feedback, product metrics, product development, and experience optimization.

In this role, you will seek to understand how machine learning engineers utilize our tools to train and tune state-of-the-art deep learning models at scale. You will provide feedback and experience based suggestions to the product and engineering teams for expanding the capabilities of our ML tools. Through this role you will have frequent opportunities to communicate your findings from analyses and models–and the subsequent recommendations–to the organizational leaders. Data Science at W&B is a core pillar of the product, business, and culture; as such the Data Science team informs strategy directly, and partners with all parts of the business to build a data-first habit.

What you will do in this role

    • Collaborate with the Growth team to figure out who our ideal users are, what behaviors they engage in the product, and how we can maximize the impact of the growth team.
    • Brainstorm with Product Managers to weave your expert knowledge of machine learning into new tools and features for all data scientists.
    • Build data science models and inferential statistical methods to guide business strategy and customer experiences.
    • Serve as a mentor and teacher to all members of the Weights and Biases team by communicating not only the results of your work, but how you got there, so that every employee feels empowered to be a data-citizen.

Relevant skills and experience

    • Practical experience with Data Science in the predictive modeling/inferential statistics world.
    • Knowledge of causal inference methods and techniques; ideally experience building these analyses and modelsStrong skills of working with real datasets; SQL/Pandas/Dataframes, data exploration and data visualization.
    • Understanding of Growth and Product metrics/concepts including Churn Modeling/Customer Segmentation/Customer Acquisition. 
    • Some knowledge and understanding of Deep Learning concepts and architectures.
    • Excitement for MLOps and the Deep Learning toolchains.
    • History of writing easy-to-follow code and effective documentation for your projects.
    • Ability to clearly communicate your ideas to folks across a range of backgrounds and levels of technical knowledge.
    • Strong writing and insight presentation skills via writing and charts

Our Benefits

    • 100% health insurance coverage for employees, including vision, dental, and family coverage
    • 401k
    • Unlimited vacation time
    • Parental leave
    • Competitive salary
    • Equity
    • Remote flexibility

Why Join Us

    • Top-tier machine learning teams love and rely on our tools for their daily work at companies including OpenAI, Toyota Research Institute, Lyft, Samsung, and Pandora.
    • We have extensive experience working with companies to turn machine learning research projects into scalable, real-world deployments. We’ve watched hundreds of teams struggle to deploy machine learning models successfully, and the same problems show up repeatedly. Machine learning has created a fundamentally new kind of programming, requiring a fundamentally new set of developer tools. We created Weights & Biases to provide that missing toolkit.
    • Our user base is growing rapidly.
    • We have raised significant capital, but the team is still small and there is the room and resources to make a big impact.
    • Here's a quote from Wojciech Zaremba, Cofounder and Robotics Lead, OpenAI: "W&B allows us to scale up insights from a single researcher to the entire team, and from a single machine to hundreds of them."
    • Our data stack: Python, BigQuery, Mode, Segment, and the DL zoo
    • You’ll be one of the first data scientists to be doing ML for the MLOps space; meta machine learning on the world’s DL experimentation data.
W&B is free for individuals and academic users. We'd love it if you created a project and made a report in W&B on any topic that interests you. You can find inspiration and examples of reports at
We are looking for individuals located in the United States to cover the pacific time zone and eastern time zone.

We encourage you to apply even if your experience doesn't perfectly align with the job description. Team members who love to learn and collaborate in an inclusive environment will flourish here. We are an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need additional accommodations to feel comfortable during your interview process, reach out at

This job is no longer open
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