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REQUIREMENT_ID_226 β€’ 3-DAY_ACTIVE_POLICY

Data Engineer

Company
Company TCS (Tata Consultancy Services)
Type
Opportunity Type Internship
Salary
Stipend / Salary 6-9 LPA
Location
Location Hyderabad, Telangana, IN
Posted Date
Posted Date Today
Big Data Analytics Data Visualization SQL Python Hadoop Spark Tableau PowerBI Data Modeling ETL Problem Solving
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TCS Placement Papers – Data Engineer Open Resource β†—
Provides previous year questions and solutions that help candidates practice the type of problems asked in TCS data roles.
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TCS Recruitment Process Experiences Open Resource β†—
First‑hand accounts of the assessment and interview stages, useful for understanding the format and difficulty level.
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TCS Interview Preparation Guide Open Resource β†—
Curated tips, sample questions, and study plans tailored for TCS data‑engineer interviews.
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Algorithm Practice Problems Open Resource β†—
A broad collection of coding problems to sharpen algorithmic skills required for the technical round.

Bachelor's or Master's degree in Statistics, Applied Mathematics, Computer Science, Information Technology or related fields; Minimum 60% aggregate or 6.5 CGPA; 2022‑2025 batch (any year); No active backlogs; 1‑2 years of data analysis or related experience; Strong analytical mindset and problem‑solving ability.

1
Round 1: Online Assessment (aptitude, logical reasoning, coding)
2
Round 2: Technical Interview (SQL, data concepts, case studies)
3
Round 3: HR Interview (fitment, communication, career goals)
Tata Consultancy Services (TCS) is one of India’s largest IT services and consulting firms, known for its global delivery model and strong focus on innovation. With a presence in over 46 countries, TCS serves a diverse portfolio of clients ranging from banking and finance to manufacturing and retail. The company invests heavily in emerging technologies such as cloud, AI, and big data, providing a fertile ground for fresh talent to grow alongside seasoned professionals. TCS’s culture emphasizes continuous learning, collaborative problem‑solving, and a commitment to delivering value to customers, making it a preferred destination for ambitious graduates. The Data Engineer role at TCS Hyderabad is designed for candidates who are passionate about turning raw data into actionable insights. As a Data Engineer, you will work closely with business analysts, data scientists, and product owners to understand the day‑to‑day challenges faced by various business units. Your primary mission will be to collect, clean, and transform large volumes of data, and then present the findings through intuitive visualizations that help stakeholders make informed decisions. This position offers exposure to end‑to‑end data pipelines, from ingestion to reporting, and provides a solid foundation for a career in data analytics and engineering. Key Responsibilities: 1. Gather and understand business problems that can be addressed through data analysis. 2. Extract, clean, and integrate data from multiple sources, ensuring data quality and consistency. 3. Design and develop scalable ETL processes using SQL and big‑data tools. 4. Build and maintain data warehouses or data lakes to support analytical workloads. 5. Create interactive dashboards and visualizations that simplify complex data sets. 6. Conduct recurring and ad‑hoc analysis to uncover trends, patterns, and opportunities. 7. Collaborate with cross‑functional teams to define data requirements and deliver solutions. 8. Optimize queries and data models for performance and cost efficiency. 9. Document data pipelines, processes, and best practices for knowledge sharing. 10. Stay updated with the latest trends in big data, analytics, and visualization technologies. Tech Stack: SQL, Python, Hadoop, Spark, Hive, Tableau/PowerBI, AWS/GCP (basic), Git. Growth Path: Starting as a Data Engineer, you can progress to Senior Data Engineer, Data Architect, or move into specialized analytics roles such as Data Scientist or Business Intelligence Lead. TCS’s internal training programs and certifications support rapid skill advancement. Why Join TCS? You will be part of a globally recognized brand that offers structured career growth, exposure to cutting‑edge technologies, and a collaborative environment that values learning. The Hyderabad office provides a vibrant campus with modern amenities, mentorship programs, and opportunities to work on high‑impact projects for Fortune‑500 clients.

TCS (Tata Consultancy Services) 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 🎯
TCS (Tata Consultancy Services) Interview Preparation Corner

Comprehensive guide covering typical interview formats, common questions, and preparation tips for TCS (Tata Consultancy Services) 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 (Big Data, Analytics, Data Visualization, SQL, Python, Hadoop, Spark, Tableau, PowerBI, Data Modeling, ETL, Problem Solving) & 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
TCS (Tata Consultancy Services) 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 TCS (Tata Consultancy Services) as a Data Engineer?
Preparation Tip: Highlight TCS (Tata Consultancy Services)'s market reputation, recent tech innovations, and how your skills in Big Data 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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