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2 Days ago

Senior Software Engineer - AWS, Pyspark

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Chennai, Tamil Nadu, India
Information Technology
Full-Time
Optum

Overview

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.

Primary Responsibility

  • Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications

  • Graduation Degree
  • Experience with cloud platforms, particularly AWS AI services (Bedrock, SageMaker) and/or Azure OpenAI ServiceProven experience in developing and deploying LLM-powered applications in production
  • Experience with foundation models and generative AI platforms (e.g. OpenAI, Anthropic, open-source models)
  • Experience in building RAG solutions with vector databases (e.g. pgvector, Pinecone, OpenSearch)
  • Familiarity with MLOps practices (deployment, monitoring, model lifecycle)
  • Good understanding of modern NLP techniques (e.g. transformers, embeddings, prompt engineering)
  • Solid understanding with Machine Learning Frameworks and Libraries (e.g., PyTorch, scikit-learn, TensorFlow, MLflow, Keras, XGBoost)
  • Proven solid programming skills in Python, PySpark
  • Proven exposure to AI orchestration frameworks such as LangChain, LangGraph and others
  • Proven excellent communication and collaboration skills

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes — an enterprise priority reflected in our mission.
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