Infosys

Senior Gen AI/Agentic AI Full Stack Lead

Infosys$73K — $122K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, AI/ML, or related field.
  • 5-8 years of experience in software engineering or data science, with 2-3 years in Gen AI or LLM-based systems.
  • Strong Python skills with experience in ML/AI libraries like Hugging Face Transformers, LangChain, and PyTorch.
  • Hands-on experience with vector databases such as FAISS, Pinecone, and Weaviate.
  • Familiarity with cloud platforms and Gen AI services like AWS, Azure, or GCP.
  • Experience in REST API development and containerization (FastAPI, Flask, Docker).
  • Understanding of AI governance, model safety, and prompt engineering.

Responsibilities

  • Design and develop Gen AI applications using LLMs and agentic frameworks.
  • Fine-tune open-source and proprietary LLMs with techniques like LoRA and QLoRA.
  • Build and optimize RAG pipelines using hybrid retrieval and vector search.
  • Integrate Gen AI solutions with cloud-native services (AWS Bedrock, Azure OpenAI, GCP Vertex AI).
  • Work with unstructured data types (PDFs, HTML, audio) and multimodal models.
  • Implement LLMOps practices including prompt versioning and cost tracking.
  • Evaluate model performance using specialized tools like RAGAS and FMeval.
  • Mentor junior engineers and contribute to code reviews and design discussions.

Benefits

  • Medical/Dental/Vision/Life Insurance
  • Long-term/Short-term Disability
  • Health and Dependent Care Reimbursement Accounts
  • Insurance options for Accident, Critical Illness, and Legal
  • 401(k) plan with contributions based on salary level
  • Paid holidays plus Paid Time Off
Full Job Description
Job details

Work Location

Alpharetta, GA, Austin, TX, Bridgewater, NJ, Charlotte, NC, Denver, CO, Hartford, CT, Houston, TX, New York, NY, Palm Beach, FL, Phoenix, AZ, Raleigh, NC, Richardson, TX, Sunnyvale, CA, Tampa, FL, Tempe, AZ

State / Region / Province

Arizona, California, Colorado, Connecticut, Florida, Georgia, New Jersey, New York, North Carolina, Texas, Virginia

Country

USA

Salary min

73000

Salary max

122275

Domain

Consulting

Interest Group

Infosys Limited

Skills

Technology|Artificial Intelligence|Artificial Intelligence - ALL, Technology|Cloud Platform|AWS AI/ML, Technology|cross platform mobile development|React Native, Technology|Data Science|Machine Learning, Technology|Machine Learning|Python

Company

ITL USA

Requisition ID

136000BR

Job description

Infosys is seeking a hands-on Gen AI / Agentic AI Lead to drive the development and deployment of next-generation AI solutions using Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and Agentic AI frameworks. This role is ideal for a mid-level engineer with strong technical depth, a passion for building, and the ability to lead small teams or workstreams in a fast-paced, innovation-driven environment.

Required Qualifications
  • Bachelor's degree in Computer Science, AI/ML, or related field.
  • 5-8 years of experience in software engineering or data science, with 2-3 years in Gen AI or LLM-based systems.
  • Strong Python programming skills and experience with ML/AI libraries (Hugging Face Transformers, LangChain, PyTorch).
  • Hands-on experience with vector databases (FAISS, Pinecone, Weaviate, Azure AI Search).
  • Familiarity with cloud platforms and Gen AI services (AWS, Azure, GCP).
  • Experience with REST API development (FastAPI, Flask) and containerization (Docker).
  • Solid understanding of AI governance, model safety, and prompt engineering.
This position is based out of Raleigh, NC / Richardson, TX / Tempe, AZ / Phoenix, AZ / Charlotte, NC / Houston, TX /Alpharetta, GA / Palm Beach , FL / Sunnyvale, CA and may require to travel.

Key Responsibilities
  • Design, develop, and deploy Gen AI applications using LLMs and agentic frameworks (e.g., LangGraph, AutoGen, Crew AI).
  • Fine-tune open-source and proprietary LLMs using techniques like LoRA, QLoRA, and PEFT.
  • Build and optimize RAG pipelines with hybrid retrieval, semantic chunking, and vector search.
  • Integrate Gen AI solutions with cloud-native services (AWS Bedrock, Azure OpenAI, GCP Vertex AI).
  • Work with unstructured data (PDFs, HTML, audio, images) and multimodal models.
  • Implement LLMOps practices including prompt versioning, caching, observability, and cost tracking.
  • Evaluate model performance using tools like RAGAS, DeepEval, and FMeval.
  • Collaborate with product managers, data engineers, and UX teams to deliver production-ready solutions.
  • Mentor junior engineers and contribute to code reviews, design discussions, and best practices.
Preferred Data Scientist Qualifications:
  • Exposure to agentic workflows and autonomous agents.
  • Experience with CI/CD pipelines and DevOps tools (GitHub Actions, Jenkins, Terraform).
  • Familiarity with front-end integration (React, Angular, TypeScript) and GraphQL APIs.
  • Knowledge of model interpretability, bias mitigation, and human-in-the-loop systems.
  • Experience with multimodal models and perception systems (e.g., vision + language).
The job entails sitting as well as working at a computer for extended periods of time. Should be able to communicate by telephone, email or face-to-face.

Estimated annual compensation range for candidates in the below locations will be-
Sunnyvale, CA: $73000 to $122275

Along with competitive pay, as a full-time Infosys employee, you are also eligible for the following benefits:-
Medical/Dental/Vision/Life Insurance
Long-term/Short-term Disability
Health and Dependent Care Reimbursement Accounts
Insurance (Accident, Critical Illness, Hospital Indemnity, Legal)
401(k) plan and contributions dependent on salary level
Paid holidays plus Paid Time Off.
About Us
Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem.

Infosys provides equal employment opportunities to applicants and employees without regard to race; color; sex; gender identity; sexual orientation; religious practices and observances; national origin; pregnancy, childbirth, or related medical conditions; status as a protected veteran or spouse/family member of a protected veteran; or disability.

About Infosys

Infosys Limited is an Indian multinational corporation that provides business consulting, information technology and outsourcing services. It has its headquarters in Bangalore, Karnataka, India. Infosys is the second-largest Indian IT company after Tata Consultancy Services by 2017 revenue figures and the 596th largest public company in the world based on revenue. On 31 March 2018, its market capitalisation was $37.32 billion. The credit rating of the company is A? (rating by Standard & Poor's).
Learn more about Infosys
Size
314,015 employees
Market Cap
$77.5 billion
Industry
Net Income
$178.5 billion
Founded
2004
5 Year Trend
+12.2%
Revenue
$945.9 billion
NASDAQ

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