GenAI / AI - Sr. Engineer

Job Title: GenAI / AI - Sr. Engineer Company: Iris Software Job Category: Machine Learning Roles & Responsibilities: Shift: 1:00 PM\- 10:00 PM IST Key Responsibilities * Design and develop GenAI/LLM\-based applications using Python. * Build and implement Retrieval\-Augmented Generation (RAG) pipelines for enterprise use cases. * Develop AI workflows and agentic applications using LangChain and LangGraph. * Design and implement vector search and semantic retrieval using PostgreSQL and PGVector. * Work with LLMs, embeddings, prompt engineering, document processing, and context retrieval. * Develop scalable and production\-ready AI services and APIs using Python. * Deploy and integrate AI applications with AWS cloud services. * Optimize RAG pipelines for accuracy, relevance, latency, and scalability. * Work closely with product, engineering, and data teams to translate business requirements into AI solutions. * Write clean, maintainable, testable, and well\-documented code. * Troubleshoot performance, integration, and production issues related to AI applications. * 5\+ years of software development experience * Strong hands\-on experience with Python * Strong experience with PostgreSQL * Hands\-on experience with PGVector / vector databases * Strong understanding and implementation experience of RAG (Retrieval\-Augmented Generation) * Hands\-on experience with LangChain * Hands\-on experience with LangGraph * Good experience with AWS and cloud\-based application deployment * Understanding of LLMs, embeddings, vector search, prompt engineering, and AI application architecture Work Location: Noida, Pune, Gurugram, India Availability: Full time

* Experience building AI agents / agentic workflows * Experience with REST APIs and microservices * Knowledge of Docker/Kubernetes * Experience with AWS services such as S3, Lambda, ECS/EKS, Bedrock, OpenSearch, and RDS * Experience with CI/CD and production deployment of AI applications * Experience working with enterprise GenAI solutions The ideal candidate should be a strong hands\-on engineer, rather than purely an AI/ML theorist, with proven experience building and deploying production\-grade GenAI applications using RAG, LangChain, LangGraph, PostgreSQL/PGVector, and AWS. Key Skills: Python Salary: Not disclosed