Senior Data Scientist

AT&T AT&T · Telecom · Bangalore, India

Senior Data Scientist role at AT&T focused on developing and deploying AI/ML models for Finance Operations. Responsibilities include data extraction, feature engineering, model development (including generative AI, fine-tuning, RAG, agentics), optimization, and deployment. The role requires proficiency in Python/R/Scala, ML packages, and various algorithm categories.

What you'd actually do

  1. Collect data from various structured and unstructured sources (datalakes, databases, data warehouses, on cloud, internal, external) and ensure its quality for analysis through cleaning and preprocessing.
  2. Create relevant features and conduct exploratory data analysis.
  3. Build, evaluate, and optimize machine learning models through hyperparameter tuning.
  4. Develop and implement generative AI models, focusing on creating new content or augmenting existing data.

Skills

Required

  • Python, R, Scala
  • Spark, SciKitLearn, Pandas, PyTorch, TidyVerse, Tensorflow, Keras, Shiny, AutoML tools
  • mlflow
  • Databricks Workspaces or Visual Studio Code
  • Supervised Learning, Unsupervised Learning, Optimization Algorithms, Deep Learning, AI-Computer Vision, Natural Language Processing, Deep Reinforcement Learning, Search Algorithms, AI- Knowledge Graphs
  • GANs (Generative Adversarial Networks), VAEs (Variational Autoencoders), and Transformers
  • Fine-Tuning techniques
  • Agentic architecture, concepts and optimization
  • Prompt Engineering
  • Retrieval-Augmented Generation (RAG)
  • Text Generation (GPT-3/4)
  • Image Generation (DALL-E, Stable Diffusion)

Nice to have

  • Significant experience with AT&T Finance Operations partners, their KPIs, processes and business challenges

What the JD emphasized

  • Significant experience with these partners, their KPIs, processes and business challenges is preferred.

Other signals

  • translate business problems into actionable insights
  • model creation and tuning
  • statistical analysis, machine learning, and big data technologies
  • Develop and implement generative AI models