Staff, Data Scientist â Conversational AI
Staff, Data Scientist â Conversational AI
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$ 143000 - 286000
1 Vacancy
Job Description
Position Summary...
What youll do...
Cortex Team is Walmarts core A.I. conversational platform powering the vision of delivering the worlds best personal assistants to Walmarts customers accessible via natural voice commands text messages rich UI interactions and a mix of all of the above via multi-modal experiences.
We believeconversationsare a natural and powerful user interface for interacting with technology and enable a richer customer experiences both online and in-store. We are building and designing the next generation of Natural Language Understanding (NLU) services that other teams can easily integrate and leverage and build rich experiences: from pure voice and text shopping assistants (SiriSparky) to customer care channels to mobile apps with rich intertwined multi-modal interaction modes ().
Interested in diving in
We need passionate and seasoned NLP data-scientists to help us improve and evolve our capabilities taking into account the full conversational context multi-modal interactions and an ever increasing list of use cases.
Come at the right time and you will have an enormous opportunity to make a massive impact on the design architecture and implementation of an innovative mission critical product driven by data-science used every day by people you know and which customers love.
As part of the emerging tech group you will also have the additional opportunity of building demos proof of concepts creating white papers writing blogs etc.
Minimum Qualifications
- Experience with Python; solid knowledge SQL.
- Hands on experience with classical ML models test/train/evaluation metrics key parameters/techniques that affect model performance
- Understanding of relevant statistical measures such as confidence intervals significance of error measurements development and evaluation data sets.
- Familiarity and ideally experience with NLU/NLP more recent deep ML models (e.g. Transformers BERT Llama Gpts Gemini) and safe fine-tuning of these.
- A business analytical mind; ability to communicate with consumers of the model and present results in intuitive ways.
- Experience analyzing data to identify patterns and conducting error/deviation analysis; passion for fixing issues in the data and finding the optimal representation.
- Ability to take a project from scoping requirements through actual launch.
- A continuous drive to explore improve enhance automate and optimize models and products.
- Excellent oral and written communication skills.
- Bachelors degree or certification in Machine Learning Computer Science Engineering Mathematics Statistics or any other related field.
Preferred Qualifications
- Exposure to real-world production grade agentic systems.
- Familiarity with LLMs serving optimizations and multi-LoRa
- Ability to develop experimental and analytic plans for data modeling processes use of strong baselines ability to accurately determine cause and effect relations
- Strong attention to detail and exceptional level of organization
- Proven ability to achieve results in a fast paced highly collaborative dynamic work environment
- Hands-on expertise in many disparate technologies and the full model lifecycle typically ranging from data pipelines data extraction model training model serving labeling tools ML-ops ad-hoc tooling and all points in between.
- PhD in a relevant field (Machine Learning Computer Science Engineering Mathematics Physics Statistics or a related field)
For information about PTO see Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sams Club facilities. Programs range from high school completion to bachelors degrees including English Language Learning and short-form certificates. Tuition books and fees are completely paid for by Walmart.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility see . Outlined below are the required minimum qualifications for this position. If none are listed there are no minimum qualifications. Outlined below are the optional preferred qualifications for this position. If none are listed there are no preferred qualifications.Minimum Qualifications...
Preferred Qualifications...
Primary Location...
680 West California Avenue Sunnyvale CA 94086-4834 United States of America
Employment Type
Full-Time
