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REQUIREMENT_ID_242 β€’ 3-DAY_ACTIVE_POLICY

Data Science Internship

Company
Company Zenotalent
Type
Opportunity Type Internship
Salary
Stipend / Salary β‚Ή 25,000/month
Location
Location Remote
Posted Date
Posted Date Today
Python Pandas NumPy Scikit-learn Data cleaning Data visualization SQL Statistics Machine learning basics Excel
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Aptitude Practice Questions Open Resource β†—
Helps you sharpen logical and quantitative reasoning skills essential for the initial screening round.
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Interview Preparation Resources Open Resource β†—
Provides a collection of common interview questions and answer strategies useful for technical and HR rounds.
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Zenotalent Data Scientist Interview Guide Open Resource β†—
Specific insights, sample questions, and tips tailored for data science roles at Zenotalent.
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Algorithm and Data Structure Problems Open Resource β†—
Offers practice problems to improve coding proficiency, which is often tested in technical interviews.

Open to Undergraduate and Postgraduate students from Engineering, Arts, Commerce, Science & other streams. Minimum aggregate of 60% (or CGPA 6.0/10) in the most recent degree. Candidates graduating in 2024, 2025, or 2026 are eligible. No active backlogs allowed at the time of joining. Must have a basic understanding of data science concepts and be willing to learn.

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Round 1: Online aptitude & logical reasoning test
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Round 2: Technical interview focusing on Python, data manipulation, and basic ML concepts
3
Round 3: HR interview assessing cultural fit and communication skills
Zenotalent is a fast‑growing technology‑driven startup that focuses on building intelligent solutions for businesses across sectors. Founded by a team of engineers and data enthusiasts, the company has quickly established a culture of continuous learning, collaboration, and innovation. With a flat hierarchy and open‑door policy, every team member gets the chance to contribute ideas, experiment with new tools, and see the impact of their work in real time. The organization values fresh perspectives, especially from young talent, and invests heavily in upskilling through internal workshops, mentorship programs, and access to industry‑leading resources. The Data Science Internship at Zenotalent is designed for students who are eager to apply classroom knowledge to real‑world problems. Interns will work closely with senior data scientists and product engineers on end‑to‑end data pipelines, from gathering raw data to delivering actionable insights. This role offers a hands‑on experience in a supportive environment where curiosity is encouraged and mistakes are treated as learning opportunities. Over a six‑month period, interns will build a solid foundation in machine learning, data preprocessing, and exploratory analysis while contributing to projects that directly influence product decisions. Key Responsibilities: 1. Assist in collecting, cleaning, and preprocessing structured and unstructured data sets. 2. Perform exploratory data analysis (EDA) to uncover patterns, trends, and anomalies. 3. Support the development, training, and evaluation of machine learning models using Python libraries. 4. Generate visualizations and dashboards to communicate findings to cross‑functional teams. 5. Document data pipelines, model assumptions, and experiment results. 6. Collaborate with senior data scientists on feature engineering and model optimization. 7. Prepare concise reports and presentations for stakeholders. 8. Participate in code reviews and adopt best practices for version control (Git). 9. Stay updated with the latest research and tools in data science and suggest improvements. 10. Contribute to brainstorming sessions for new data‑driven product ideas. Tech Stack: Python, Pandas, NumPy, Scikit‑learn, Matplotlib/Seaborn, SQL, Jupyter Notebook, Git, Docker (basic). The internship provides exposure to cloud platforms like AWS or GCP for data storage and model deployment. Growth Path: Successful interns may be offered a full‑time Junior Data Scientist role, with clear progression to Data Analyst, Data Scientist, and eventually Lead Data Scientist positions as they gain experience and demonstrate impact. Why Join Zenotalent? The company offers a vibrant, remote‑first work culture that balances autonomy with mentorship. Interns receive a competitive stipend, flexible working hours, and the chance to work on projects that matter. The experience gained here equips candidates with a portfolio of real‑world data science work, making them highly marketable for future roles.

Zenotalent β€” Data Analytics & SQL Interview Guide

Previously asked questions, exam syllabus, coding benchmarks & round strategy.

APTITUDE & LOGIC πŸ“–
Aptitude Practice Questions & Online Mock Tests

Curated logical, quantitative, and verbal reasoning problems to sharpen reasoning skills required for the initial screening test.

Open Resource β†—
COMPANY GUIDE 🎯
Zenotalent Interview Preparation Corner

Comprehensive guide covering typical interview formats, common questions, and preparation tips for Zenotalent and off-campus tech roles.

Open Resource β†—
MOCK TESTS & PAPERS πŸ“
Comprehensive Interview Prep Resources & Syllabus

Collection of previous year questions, company-specific test patterns, and interview experiences for technical and HR rounds.

Open Resource β†—
CODING PRACTICE πŸ’»
Algorithm and Data Structure Problem Set

Practice problems to improve coding proficiency and algorithm problem-solving speed for technical rounds.

Open Resource β†—
Round 1: Online Assessment (OA)
Aptitude, Quantitative Logic & 2 Coding Problems
Focus on accuracy and speed. Practice arrays, strings, and standard arithmetic puzzles.
Round 2: Technical Interview 1
Core Tech Stack (Python, Pandas, NumPy, Scikit-learn, Data cleaning, Data visualization, SQL, Statistics, Machine learning basics, Excel) & Live Code Tracing
Explain your thought process aloud. Analyze time & space complexities before coding.
Round 3: System Design & Problem Solving
Database Schemas, APIs & Architecture Basics
Clarify edge cases, diagram schemas cleanly, and discuss scalability trade-offs.
Round 4: HR & Cultural Fit Discussion
Zenotalent Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
What is the difference between WHERE and HAVING clauses in SQL? Answer β–Ό
Model Answer: WHERE filters rows before any groupings are applied, while HAVING filters aggregated groups after GROUP BY has executed.
Explain SQL Window functions: ROW_NUMBER(), RANK(), and DENSE_RANK(). Answer β–Ό
Model Answer: ROW_NUMBER() assigns unique sequential integers. RANK() assigns identical ranks to ties and skips ranks. DENSE_RANK() assigns identical ranks to ties without skipping rank numbers.
How do you handle NULL and missing values during data cleaning in Python/Pandas? Answer β–Ό
Model Answer: Use .isna().sum() to identify missing values. Impute with mean/median using .fillna() or remove with .dropna(subset=[...]) depending on variance impact.
What is the difference between Star Schema and Snowflake Schema in Data Warehousing? Answer β–Ό
Model Answer: Star Schema has denormalized dimension tables directly connected to the central Fact table. Snowflake Schema normalizes dimension tables into sub-dimensions to minimize redundancy.
How do you calculate MoM (Month-over-Month) growth in SQL? Answer β–Ό
Model Answer: Use LAG(revenue, 1) OVER (ORDER BY month) to fetch the previous month's revenue and compute (revenue - prev_revenue) / prev_revenue * 100.
Why do you want to join Zenotalent as a Data Science Internship?
Preparation Tip: Highlight Zenotalent's market reputation, recent tech innovations, and how your skills in Python directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Preparation Tip: Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
How do you handle strict deadlines or sudden scope changes?
Preparation Tip: Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.

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