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REQUIREMENT_ID_2053 • 3-DAY_ACTIVE_POLICY N

Gen AI Architect

Company
Company Tata Consultancy Services
Type
Opportunity Type Full-Time Job
Salary
Stipend / Salary Competitive Package (Best in Industry)
Location
Location Hyderabad, India
Posted Date
Posted Date Today
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Data Visualization Machine Artificial Intelligence GCP Gen Architecture Machine learning Framework
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Aptitude Practice Questions & Mock Tests Open Resource ↗
Curated logical, quantitative, and verbal reasoning problems for the initial online screening round.
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Company-Specific Interview Preparation Corner Open Resource ↗
Detailed interview experiences, exam formats, and previous test questions for Tata Consultancy Services and tech roles.
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Technical Placement Cheat Sheets & Question Bank Open Resource ↗
High-yield coding cheat sheets, core CS fundamentals (OOP, DBMS, OS, Networks), and rapid revision guides.
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Algorithm, DSA & Live Code Debugger Practice Open Resource ↗
Hands-on problem sets to improve coding speed and step-by-step memory debugging.

Experience: 10-20 Yrs. Open to matching qualifications.

1
Online Assessment / Technical Interview Rounds / HR Review
Desired Competencies (Technical/Behavioral Competency) Must-Have Gen AI Experience in LLMs, Embedding Models, Prompt Engineering Knowledge of statistical programming languages like Python Good applied statistical skills Good knowledge of machine learning algorithms Proficiency in handling imperfections in data & generating insights and patterns. Experience with Data Visualization Tools Fine tuning of LLM Evaluation Framework (RAGAS, ROUGE, BLUE Scrore) Autoencoding model (Encoder: ROBERTA/ BERT/ DistilBERT) Langsmith framework Autoregressive model (Decoder: GPT/ BLOOM/ LLama/ Mistral/ Claude/ CodeGen/ OPT/ PaLM RAG/Multimodal Architecture using Langchain/ LlamIndex MCP Architecture Experience Agentic AI Framework ( Crew AI, AutoGen, LangGraph, Google AVD etc. ) Experience in Model deployment, LLMOps, Scalability and Performance Fine tuning of LLM AI ML exp. Candidate has exp. in Transformer Architecture (Encoder and decoders) Knowledge Graph implementation (If anyone has created knowledge graph, that's good) Good-to-Have Excellent Communication Skills Strong Software Engineering Background (Productionizing the models) Hands-on experience with data science tools Problem-solving aptitude Analytical mind and great business sense Responsibility of / Expectations from the Role Data mining or extracting usable data from valuable data sources. Using machine learning tools to select features, create and optimize predictive models. Carrying out preprocessing of structured and unstructured data Enhancing data collection procedures to include all relevant information for developing analytic systems. Processing, cleansing, and validating the integrity of data to be used for analysis. Analyzing large amounts of information to find patterns and solutions. Developing prediction systems and machine learning algorithms Ability to use LLMs to build GenAI powered solutions. Presenting results in a clear manner Propose solutions and strategies to tackle business challenges. Collaborate with Business and IT teams. Designing and developing machine learning and deep learning systems Knowledge of productionizing the ML and DL applications and monitoring

Tata Consultancy Services — AI & Machine Learning 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 🎯
Tata Consultancy Services Interview Preparation Corner

Comprehensive guide covering typical interview formats, common questions, and preparation tips for Tata Consultancy Services 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 (Data Visualization, Machine, Artificial Intelligence, GCP, Gen, Architecture, Machine learning, Framework) & 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
Tata Consultancy Services Core Values, Learning Agility & Offer Terms
Demonstrate passion, strong communication, and readiness for full-time collaboration.
What is the bias-variance tradeoff and how do you prevent overfitting? Answer ▼
Model Answer: High bias leads to underfitting (oversimplified model), high variance leads to overfitting (captures noise). Mitigate using L1/L2 Regularization, Dropout, Cross-Validation, and data augmentation.
Explain the difference between Precision, Recall, and F1-Score. Answer ▼
Model Answer: Precision = TP / (TP + FP) (correctness of positive predictions). Recall = TP / (TP + FN) (coverage of actual positives). F1-Score is the harmonic mean of Precision and Recall.
How does Gradient Descent work and what is the role of Learning Rate? Answer ▼
Model Answer: It optimizes loss functions by iteratively moving weights in the direction of negative gradient. A large learning rate may overshoot the minimum; a small rate causes slow convergence.
What is the difference between Supervised, Unsupervised, and Self-Supervised learning? Answer ▼
Model Answer: Supervised uses labeled data (X -> y). Unsupervised finds hidden patterns in unlabeled data (clustering/PCA). Self-supervised generates labels from input data (e.g. masked language modeling in BERT/Transformers).
Why do you want to join Tata Consultancy Services as a Gen AI Architect?
Preparation Tip: Highlight Tata Consultancy Services's market reputation, recent tech innovations, and how your skills in Data Visualization 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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