Grid Dynamics recognized as Google Cloud leader by Everest Group

Data Analyst - Python

San Ramon, CA, US
  • Design, develop, and oversee the implementation of processes and tools to access the quality of data used in LLM model training.
  • Study dataset and quality requirements, develop automated metrics to measure/ monitor data quality at scale.
  • Evaluate the annotation data for instruction tuning, preference alignment, and model optimization;
  • Proficiency with applying quantitative methods to structured & unstructured data for complex data analysis , pattern recognition, insights generation and metrics development.
  • Experience with understanding the complexity of user behavior via deep-diving investigations as well as designing, analyzing, and interpreting A/B experiments.
  • Strong programming skills in data manipulation &processing (SQL &Python preferred)
  • Proven expertise in data wrangling and developing data visualizations & reporting with toolings such as Tableau, AWS etc.
  • Strong understanding of Machine learning principles, especially in the context of NLP and LLMs.
  • Collaborate with Data Scientists to scrutinize annotation data and develop strategies for continuous data quality improvement.  
  • Recommend and implement enhancements to our quality processes, tools, and methodologies based on industry best practices.  
  • 5+ years of design/ test/ implementation/ consulting experience in data quality management for machine learning model training.  
  • Demonstrated experience in project management and cross – functional collaboration  
  • Exceptional analytical, problem- solving, and organizational skills.  
  • Strong verbal and written communication skills with the ability to work effectively across internal and external organization and virtual teams.  
  • Fluent in another language is a big plus.  
What we offer:  
  • Opportunity to work on bleeding-edge projects 
  • Work with a highly motivated and dedicated team 
  • Competitive salary 
  • Benefits package - medical insurance 
  • Professional development opportunities 
Placement and Staffing Agencies need not apply.  We do not work with C2C at this time.  
At this moment, we are not able to process H1B transfers. Applicants with CPT and OPT visas are welcome to apply.  
About Us:  
Grid Dynamics is a leading provider of technology consulting, agile co-creation, scalable engineering and data science services for Fortune 500 corporations undergoing digital transformation.  
We work in close collaboration with our clients on digital transformation initiatives that span strategy consulting, early prototypes and enterprise-scale delivery of new digital platforms. We help organizations become more agile and create innovative digital products and experiences using deep expertise in emerging technology, top global engineering talent, lean software development practices, and high-performance product culture.  
Headquartered in Silicon Valley with over 2000 technologists located in engineering delivery centers throughout the US, Central and Eastern Europe, Grid Dynamics has architected and delivered some of the most extensive digital transformation programs in the retail, technology and financial sectors to help its clients win market share, shorten time to market and reduce costs of digital operations on a massive scale.  
To learn more about Grid Dynamics, visit, or follow us on Twitter @GridDynamics.  

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