Senior Python AI Engineer

Persistent Systems Limited; Bengaluru; Hybrid; INR 2,500,000 - 5,000,000; Full time

Benefits offered by this job

Hybrid work

Flexible hours

Education sponsorship

Long Service awards

Insurance coverage

Job summary

Persistent Systems Limited is seeking a Senior Python AI Engineer to design and deploy GenAI-powered applications in Bengaluru. You will build RAG solutions, agent workflows, and scalable microservices with FastAPI, while integrating major LLM providers. Strong Python and GenAI experience are required.

The role emphasizes collaboration with product owners and data scientists in an Agile environment, with a focus on production readiness and responsible AI practices.

Qualifications

• 6-8 years of software development experience with strong proficiency in Python.
• Strong hands-on experience in Generative AI application development.
• Expertise in Prompt Engineering and prompt optimization techniques.
• Strong development experience with LangChain and LangGraph.
• Experience building enterprise-grade RAG solutions.
• Hands-on experience with LLMs and AI agent architectures.
• Experience integrating major AI providers (OpenAI, Azure OpenAI, Claude, Gemini).
• Knowledge of vector databases, embeddings, semantic search and retrieval systems.

Responsibilities

• Design, develop, and deploy AI-powered applications using Python and modern Generative AI frameworks.
• Build RAG solutions leveraging enterprise knowledge repositories and vector databases.
• Develop agent workflows and multi-agent systems using LangChain and LangGraph.
• Design, optimize, and evaluate prompts for LLM-based applications.
• Integrate enterprise apps with major LLM providers.
• Build scalable REST APIs and microservices using FastAPI.
• Create conversational AI assistants and copilots.
• Stay updated with Generative AI trends and best practices.

Skills

Python

Generative AI

Prompt engineering

LangChain

LangGraph

RAG

LLMs

AI agents

REST APIs

FastAPI

Tools

OpenAI

Azure OpenAI

Claude

Gemini

FastAPI

Job description

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what's next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

We are seeking a highly skilled Senior Python AI Engineer with expertise in Generative AI, Large Language Models (LLMs), Prompt Engineering, LangChain, LangGraph, and Retrieval-Augmented Generation (RAG). The ideal candidate will be responsible for designing, developing, and deploying enterprise-grade AI-powered applications, intelligent agents, and scalable GenAI solutions.

• Role: Senior Python AI Engineer - Generative AI & LLM Solutions
• Experience: 6 to 8 Years
• Job Type: Full-Time Employment

What You'll Do:

• Design, develop, and deploy AI-powered applications using Python and modern Generative AI frameworks.
• Build and implement Retrieval-Augmented Generation (RAG) solutions utilizing enterprise knowledge repositories and vector databases.
• Develop Agentic AI workflows and multi-agent systems using LangChain and LangGraph.
• Design, optimize, and evaluate prompts for Large Language Model-based applications.
• Integrate enterprise applications with LLM providers such as OpenAI, Azure OpenAI, Claude, Gemini, and other AI platforms.
• Build scalable APIs and microservices using FastAPI and REST-based architectures.
• Develop conversational AI assistants, copilots, chatbots, and intelligent automation solutions.
• Work with embedding models, vector stores, semantic search, and retrieval pipelines.
• Implement AI governance, security, and responsible AI best practices.
• Optimize model performance, latency, cost, and response quality for production environments.
• Collaborate with product owners, architects, data scientists, and engineering teams to deliver AI-driven solutions.
• Conduct testing, debugging, monitoring, and troubleshooting of AI applications.
• Participate in architecture reviews, code reviews, and technical design discussions.
• Create technical documentation, implementation guides, and deployment procedures.
• Stay updated with emerging advancements in Generative AI, LLMs, agent frameworks, and AI engineering best practices.

Expertise You'll Bring:

• 6-8 years of software development experience with strong proficiency in Python.
• Strong hands-on experience in Generative AI application development.
• Expertise in Prompt Engineering and prompt optimization techniques.
• Strong development experience with LangChain and LangGraph.
• Experience building enterprise-grade RAG (Retrieval-Augmented Generation) solutions.
• Hands-on experience with Large Language Models (LLMs) and AI Agent architectures.
• Experience integrating OpenAI, Azure OpenAI, Claude, Gemini, or similar models.
• Strong knowledge of vector databases, embeddings, semantic search, and retrieval systems.
• Experience designing and developing REST APIs using FastAPI.
• Understanding of microservices architecture and scalable backend development.
• Experience working with structured and unstructured data sources for AI applications.
• Knowledge of model evaluation, prompt testing, and AI performance optimization.
• Familiarity with cloud environments such as Azure, AWS, or Google Cloud Platform.
• Strong analytical, problem-solving, and debugging skills.
• Experience working in Agile/Scrum environments.
• Excellent communication and collaboration skills.
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

\"Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.\"