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United Airlines is hiring Data Scientist 🚀

Qualification : Bachelor's degree
Experience : 0-3 Years
Location : Gurugram

Apply link : https://careers.united.com/us/en/job/UAIUADUSGGN00001951EXTERNALENUSTALEO/Associate-Data-Scientist?utm_source=linkedin&utm_medium=phenom-feeds

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Dell is hiring for multiple data science roles

https://jobs.dell.com/en/employment/bengaluru-karnataka-india-data-science-and-analytics-jobs/375/77091/1269750-1267701-1277331-1277333/4

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Linear regression and logistic regression are both types of statistical models used for prediction and modeling, but they have different purposes and applications.

Linear regression is used to model the relationship between a dependent variable and one or more independent variables. It is used when the dependent variable is continuous and can take any value within a range. The goal of linear regression is to find the best-fitting line that describes the relationship between the independent and dependent variables.

Logistic regression, on the other hand, is used when the dependent variable is binary or categorical. It is used to model the probability of a certain event occurring based on one or more independent variables. The output of logistic regression is a probability value between 0 and 1, which can be interpreted as the likelihood of the event happening.

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Baazi Games is hiring Data Analyst 🚀

Experience : 1+ Year
Location : Delhi

Apply link : Check out this job at Baazi Games: https://www.linkedin.com/jobs/view/4209194116

I am looking for a talented and driven Data Scientist to lead Loyalty Analytics in Mumbai (work from office)

Ideal candidate:

• ~5 years of hands-on experience in Loyalty, Marketing, or Growth Analytics
• Strong analytical thinking, problem-solving skills, and the ability to derive insights from data to drive business decisions
• Proficiency in data tools and technologies (e.g., Python, SQL, R, etc.)
• Experience working with large datasets and building scalable analytical solutions

You’ll work closely with cross-functional teams to design data-driven strategies that enhance customer engagement and retention.

Please share your CV at rahul.dasgupta@idfcfirstbank.com

📌Company Name: Zscaler
Job Role: Associate Data Engineer

Experience: 0 - 2 years
Location: Bangalore

💻Apply Link: https://job-boards.greenhouse.io/zscaler/jobs/4706360007

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American Express is hiring!
Position: Business Analyst/ Data Analytics
Qualification: Bachelor’s/ Master’s/ MBA
Salary: 6.5 - 13 LPA (Expected)
Experience: Freshers & Experienced
Location: Work From Home/ Office

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EY is hiring for 3 data scientists with 2-6 years of relevant experience to join our lean analytics team in next 30 days.

Requirements:
- Hands-on experience in building end-to-end ML models or NLP based solutions
- Cloud experience (Good to have, gets bonus points)
- Experience in Insurance domain (Good to have, gets bonus points)
- Advanced python and SQL skills
- Excellent communication skills
- Proven ability to deliver first-time-right solutions in high-pressure environments

Location: Mumbai/Delhi/Gurgaon/Hyderabad/Bangalore/Chennai/Pune
Notice period - 30 days or less

If interested, please share your CV at kuldeep.mahani@in.ey.com

LTIMindtree hiring Data Analyst

https://in.linkedin.com/jobs/view/data-analyst-at-ltimindtree-4207304045

Google hiring Senior Data Scientist

Location: Bengaluru

Apply link: https://careers.google.com/jobs/results/140500223645360838-senior-data-scientist/?src=Online/LinkedIn/linkedin_us&utm_source=linkedin&utm_medium=jobposting&utm_campaign=contract

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IBM hiring Data Scientist

Location : Pune

Apply link: https://www.linkedin.com/jobs/view/4207399869

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Microsoft hiring Data Scientist

Apply link: https://jobs.careers.microsoft.com/global/en/job/1816527

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Python project-based interview questions for a data analyst role, along with tips and sample answers [Part-1]

1. Data Cleaning and Preprocessing
- Question: Can you walk me through the data cleaning process you followed in a Python-based project?
- Answer: In my project, I used Pandas for data manipulation. First, I handled missing values by imputing them with the median for numerical columns and the most frequent value for categorical columns using fillna(). I also removed outliers by setting a threshold based on the interquartile range (IQR). Additionally, I standardized numerical columns using StandardScaler from Scikit-learn and performed one-hot encoding for categorical variables using Pandas' get_dummies() function.
- Tip: Mention specific functions you used, like dropna(), fillna(), apply(), or replace(), and explain your rationale for selecting each method.

2. Exploratory Data Analysis (EDA)
- Question: How did you perform EDA in a Python project? What tools did you use?
- Answer: I used Pandas for data exploration, generating summary statistics with describe() and checking for correlations with corr(). For visualization, I used Matplotlib and Seaborn to create histograms, scatter plots, and box plots. For instance, I used sns.pairplot() to visually assess relationships between numerical features, which helped me detect potential multicollinearity. Additionally, I applied pivot tables to analyze key metrics by different categorical variables.
- Tip: Focus on how you used visualization tools like Matplotlib, Seaborn, or Plotly, and mention any specific insights you gained from EDA (e.g., data distributions, relationships, outliers).

3. Pandas Operations
- Question: Can you explain a situation where you had to manipulate a large dataset in Python using Pandas?
- Answer: In a project, I worked with a dataset containing over a million rows. I optimized my operations by using vectorized operations instead of Python loops. For example, I used apply() with a lambda function to transform a column, and groupby() to aggregate data by multiple dimensions efficiently. I also leveraged merge() to join datasets on common keys.
- Tip: Emphasize your understanding of efficient data manipulation with Pandas, mentioning functions like groupby(), merge(), concat(), or pivot().

4. Data Visualization
- Question: How do you create visualizations in Python to communicate insights from data?
- Answer: I primarily use Matplotlib and Seaborn for static plots and Plotly for interactive dashboards. For example, in one project, I used sns.heatmap() to visualize the correlation matrix and sns.barplot() for comparing categorical data. For time-series data, I used Matplotlib to create line plots that displayed trends over time. When presenting the results, I tailored visualizations to the audience, ensuring clarity and simplicity.
- Tip: Mention the specific plots you created and how you customized them (e.g., adding labels, titles, adjusting axis scales). Highlight the importance of clear communication through visualization.

Like this post if you want next part of this interview series 👍❤️

𝗗𝗿𝗲𝗮𝗺 𝗝𝗼𝗯 𝗮𝘁 𝗚𝗼𝗼𝗴𝗹𝗲? 𝗧𝗵𝗲𝘀𝗲 𝟰 𝗙𝗥𝗘𝗘 𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲𝘀 𝗪𝗶𝗹𝗹 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗚𝗲𝘁 𝗧𝗵𝗲𝗿𝗲😍

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Uber hiring Data Scientist

Location: Hyderabad

Apply link: https://www.uber.com/global/en/careers/list/140262/

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