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UnitedHealth Group

AI ML Engineer

UnitedHealth Group

Published 08 May 2026
Noida, India
Freelancer

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Role Highlights

Languages used

Python

Key skills

Prompt Engineering
Vector Database
Fine Tuning
RAG
Computer Science
Integrations
API
CICD
Code Reviews
Problem Solving
Open Source
LLMs
Generative AI
Optimization
Search
Embeddings
Architecture
Interpretability
Reliability
Transformers
Cloud
Deployment
Machine Learning

Tools, Libraries and Frameworks

OpenAI
Azure
AWS
GCP
Docker
Ruby On Rails
LLamaindex
Langchain

Description

The role involves developing and refining features based on large language models, including chat, summarization, knowledge search, and data extraction. Responsibilities include implementing retrieval augmented generation workflows and applying prompt engineering techniques. The position requires working with transformer-based models to improve model interpretability and output reliability. The individual will build services that integrate AI APIs and implement orchestration flows. Additionally, the role focuses on enhancing system performance through latency reduction, token efficiency, and model compression techniques. Collaboration with product, data, and engineering teams is essential to deliver high-quality features.

Required Qualifications and Skills

Candidates must possess a bachelor's or master's degree in computer science, engineering, or a related field. The role requires at least three years of software engineering experience, with one to two years specifically focused on generative AI or LLMs. Proficiency in Python or TypeScript is necessary, along with experience building cloud-based applications on platforms such as Azure, AWS, or GCP. Applicants should have a working knowledge of transformer architecture, prompt engineering, RAG, and AI integration techniques. Additionally, the position requires proven problem-solving and collaborative abilities.

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Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

UnitedHealth Group

Size

174292

HQ

US

Description

UnitedHealth Group is a health care and well-being company with a mission to help people live healthier lives and help make the health system work better for everyone. We are 340,000 colleagues in two distinct and complementary businesses working to help build a modern, high-performing health system through improved access, affordability, outcomes and experiences. Optum delivers care aided by technology and data, empowering people, partners and providers with the guidance and tools they need to achieve better health. UnitedHealthcare offers a full range of health benefits, enabling affordable coverage, simplifying the health care experience and delivering access to high-quality care. We work with governments, employers, partners and providers to care for 147 million people and share a vision of a value-based system of care that provides compassionate and equitable care. At UnitedHealth Group, our mission calls us, our values guide us and our diverse culture connects us as we seek to improve care for the consumers we are privileged to serve and their communities. Click below to search careers or join our social communities: Search & apply for careers at careers.unitedhealthgroup.com/ Follow us on Twitter at twitter.com/UnitedHealthGrp Follow and like us on Facebook at facebook.com/unitedhealthgroup Follow us on Instagram at instagram.com/unitedhealthgroup More about UnitedHealth Group can be found at unitedhealthgroup.com/

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