Junior Data Scientist

We are hiring a Junior Data Scientist in Chennai for a team building on data science, machine learning, Statistics. 0-1 years of experience.

data science, machine learning, Statistics, with Analytics, data engineering, Python across the wider stack.

• 0-1 years with data science in production.
• Hands-on depth in machine learning, Statistics, enough to defend a decision you made in each, and name the one you rejected.
• Working familiarity with Analytics, data engineering, Python.
• Fundamentals you can explain out loud: data structures, HTTP, version control. We would rather have somebody who reasons well than somebody who has memorised a framework.
• The ability to explain a technical decision to somebody who did not make it. Every round here includes it.

Not the focus of the interview, but part of the job. Teams ask about these, so be ready to talk about them:

• Git, branching and code review as a daily habit
• One cloud provider used in anger: AWS, Azure or GCP
• CI/CD: your work reaches an environment without somebody carrying it
• SQL that survives review, and Python for anything SQL cannot express
• A warehouse: BigQuery, Snowflake or Redshift
• Orchestration and transformation: Airflow, dbt or equivalent
• A BI layer (Looker, Tableau, Metabase), and dashboards people kept using
• Experiment design: sample size, significance, and when not to call it

Expect to be asked how you would approach a problem in each of the areas above, and why you would not take the obvious route. Then one level down on whichever answer was weakest.