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Applications open Full-Time Job

Walk-in || Gen AI

TCS (Tata Consultancy Services)

  • Hyderabad, India
  • Competitive Package (Best in Industry)
  • 4-9 Yrs
  • Posted Oct 23, 2026
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About the role

Position Overview Designing, implementing, and managing advanced generative AI solutions across Google Cloud Platform (GCP), Microsoft Azure, and Amazon Web Services (AWS). This role combines deep expertise in generative AI technologies, multi-cloud architecture, and modern software engineering practices to deliver scalable, secure, and innovative AI products. Key Responsibilities Design and implement generative AI workflows and agents using frameworks like LangChain, LangGraph, Google AI Development Kit (ADK), Azure AI Studio or AWS Bedrock. Integrate large language models (LLMs) such as Llama, Gemini, GPT, and Claude into enterprise systems and custom applications. Develop and optimize retrieval-augmented generation (RAG) pipelines using vector databases (ChromaDB, Pinecone, FAISS, Weaviate, Vertex AI Matching Engine). Cloud Platform Integration & Management Design and manage scalable cloud infrastructure, ensuring performance, cost efficiency, and compliance across platforms. Implement containerization and orchestration strategies using Docker and Kubernetes (GKE/EKS/AKS) for reliable deployment. Establish and enforce security frameworks using GCP IAM, Azure Identity, AWS IAM, and related tools for secure, compliant access. Utilize monitoring and logging solutions such as Google Cloud Operations Suite, Azure Monitor, and AWS CloudWatch. MLOps, DevOps & Governance Automate model deployment, versioning, and monitoring using MLOps/DevOps best practices and CI/CD pipelines. Implement prompt optimization, context management, and model performance tuning. Ensure adherence to data governance, privacy, PII handling, and AI ethics principles throughout the development lifecycle. Leadership & Collaboration Lead and mentor teams of AI engineers and developers, fostering a culture of collaboration and innovation. Conduct code reviews, enforce best practices, and guide junior engineers. Partner with product owners, data engineers, and business stakeholders to translate requirements into effective AI solutions. Communicate technical concepts, project status, and business impact to both technical and non-technical audiences, including executive leadership. Innovation & Continuous Improvement Drive research and innovation, staying current with advancements in generative AI, multimodal models, and AI agents. Contribute to internal capability building and development of reusable AI assets for the organization. Monitor AI model performance in production, manage risks, and drive continuous improvement initiatives. Required Skills & Experience 4+ years of IT experience, with 4 years in generative AI, LLMs, or related AI/ML technologies. Advanced proficiency in Python, with ability to build modular APIs, pipelines, and orchestration frameworks. Hands-on expertise in at least one generative AI framework: LangChain, LangGraph, Google ADK, Azure AI Studio or AWS Bedrock and understanding of others. Experience integrating LLMs via APIs (OpenAI, Gemini, Hugging Face, etc.). Strong knowledge of RAG, embeddings, and vector databases. Familiarity with PEFT, LoRA, or prompt fine-tuning approaches. Cloud expertise in at least one hyperscaler (GCP, Azure, or AWS), with working knowledge of: GCP: Vertex AI, Document AI, BigQuery, AlloyDB, Cloud Run, IAM Azure: OpenAI Service, Cognitive Search, Azure ML, Azure Functions, Azure Identity Education Bachelors or Master’s degree in Computer Science, AI, Data Science, or a related field. Nice to Have Experience with AI agents and multimodal AI models (text, image, audio).

Eligibility & process

Who can apply

Experience: 4-9 Yrs. Open to matching qualifications.

Skills & stack

Gen Intelligence Python Artificial Intelligence

Selection process

  1. Online Assessment / Technical Interview Rounds / HR Review

Prep kit

19 resources
Study material 4
Company-specific guides 4
Likely coding questions 4
Round-wise strategy 4
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 (Gen, Intelligence, Python, Artificial Intelligence) & 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.
Technical questions 4
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).
Behavioural & HR questions 3
Why do you want to join TCS (Tata Consultancy Services) as a Walk-in || Gen AI?
Highlight TCS (Tata Consultancy Services)'s market reputation, recent tech innovations, and how your skills in Gen directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
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?
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
TCS (Tata Consultancy Services) Competitive Package (Best in Industry)
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