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REQUIREMENT_ID_1784 • 3-DAY_ACTIVE_POLICY JD

Engineer Trainee

Company
Company L&T EduTech
Type
Opportunity Type Internship
Salary
Stipend / Salary 4.5 LPA
Location
Location Chennai, India
Posted Date
Posted Date Today
Apply on Official Website ↗
JavaScript TypeScript React Angular Node.js Express.js REST APIs GraphQL MongoDB MySQL Git Agile methodology problem solving communication
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Aptitude Practice Questions Open Resource ↗
Covers quantitative, logical reasoning, and verbal sections to help you clear the online screening test.
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Company Interview Preparation Guide Open Resource ↗
Offers insights into typical interview patterns, coding challenges, and HR questions for engineering roles.
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Comprehensive Study Guides for Freshers Open Resource ↗
Provides curated notes, mock tests, and interview experiences specifically for fresh engineering graduates.
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Algorithm and Data Structure Problem Set Open Resource ↗
A collection of coding problems to sharpen your problem‑solving skills for the technical round.

B.E. / B.Tech in Computer Science, Information Technology or related discipline with minimum 60% aggregate (or CGPA 6.0/10). Must belong to the 2025 or 2026 graduating batch. No active backlogs at the time of joining. Candidates should have a strong foundation in programming, data structures, and web technologies.

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Round 1: Online aptitude & coding test
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Round 2: Technical interview (coding, system design, and domain knowledge)
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Round 3: HR interview (fitment and motivation)
L&T EduTech, a subsidiary of Larsen & Toubro, is a leading provider of digital learning solutions in India. With a strong focus on leveraging technology to transform education, the company builds platforms that enable interactive, personalized, and scalable learning experiences for schools, colleges, and corporate learners. Backed by L&T’s engineering expertise and a robust research ecosystem, L&T EduTech has delivered millions of learning hours across the country and continues to expand its product portfolio in AI‑driven analytics, content management, and immersive learning tools. As part of its rapid growth, L&T EduTech is expanding the Platform Development Team in Chennai. The Engineer Trainee role is designed for fresh engineering graduates who are eager to apply their academic knowledge to real‑world product development. The trainee will work under senior engineers, gaining hands‑on experience in building, testing, and maintaining web‑based applications that power the company’s flagship learning platforms. This is an excellent opportunity to start a career in a high‑impact tech environment that blends education and cutting‑edge software engineering. **Key Responsibilities** 1. Assist in designing, coding, testing, and deploying web applications and platform modules. 2. Develop and enhance front‑end components using React, Angular, JavaScript, and TypeScript. 3. Support back‑end development with Node.js, Express.js, and related server‑side technologies. 4. Build, consume, and document RESTful and GraphQL APIs for internal and external integrations. 5. Work with MongoDB and MySQL databases for data modeling, query optimization, and schema design. 6. Integrate third‑party services such as payment gateways, analytics tools, and authentication providers. 7. Identify, debug, and resolve performance bottlenecks and functional issues. 8. Participate in code reviews, unit testing, and documentation to ensure code quality. 9. Collaborate with product owners, QA engineers, and UI/UX designers in Agile/Scrum ceremonies. 10. Explore emerging technologies like AI/LLM, Docker, and cloud services to propose enhancements for future releases. **Tech Stack**: React / Angular, JavaScript, TypeScript, Node.js, Express.js, REST & GraphQL, MongoDB, MySQL, Git, Docker, AWS/Azure (basic), CI/CD pipelines, Agile tools. **Growth Path**: Starting as an Engineer Trainee, high performers can progress to Software Engineer, Senior Engineer, and eventually Lead Engineer or Product Owner within 2‑4 years. L&T EduTech encourages continuous learning through internal workshops, certifications, and exposure to large‑scale educational projects. **Why Join L&T EduTech?** The company offers a stable, well‑structured environment backed by a reputable conglomerate, exposure to cutting‑edge ed‑tech products, and a culture that values innovation and learning. Freshers get mentorship from seasoned professionals, a clear career roadmap, and the chance to impact millions of learners across India.

L&T EduTech — Data Analytics & SQL Interview Guide

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

APTITUDE & LOGIC 📖
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 ↗
COMPANY GUIDE 🎯
L&T EduTech Interview Preparation Corner

Comprehensive guide covering typical interview formats, common questions, and preparation tips for L&T EduTech and off-campus tech roles.

Open Resource ↗
MOCK TESTS & PAPERS 📝
Comprehensive Interview Prep Resources & Syllabus

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

Open Resource ↗
CODING PRACTICE 💻
Algorithm and Data Structure Problem Set

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

Open Resource ↗
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 (JavaScript, TypeScript, React, Angular, Node.js, Express.js, REST APIs, GraphQL, MongoDB, MySQL, Git, Agile methodology, problem solving, communication) & 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
L&T EduTech 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 ▼
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 ▼
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 ▼
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 ▼
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 ▼
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 L&T EduTech as a Engineer Trainee?
Preparation Tip: Highlight L&T EduTech's market reputation, recent tech innovations, and how your skills in JavaScript 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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