AI Backend Developer (Python, Agile Scrum)

JOB DESCRIPTION*** We are seeking an experienced AI Backend Developer with over 5 years of experience in designing, implementing, and optimizing AI-driven backend systems. The ideal candidate will have deep expertise in LangChain, RAG pipeline implementation, and search technologies (OpenSearch/Elasticsearch), along with experience in chatbot/playground development. Knowledge of AI agents, tools, and RAG optimization is a plusKEY RESPONSIBILITIES: + Design and implement LangChain-based workflows for AI applications.+ Develop and optimize Retrieval-Augmented Generation (RAG) pipelines.+ Integrate OpenSearch/Elasticsearch for semantic/hybrid search.+ Build and maintain chatbot/playground environments (e.g., Streamlit, Gradio, custom UIs).+ Fine-tune vector search, hybrid search, and relevance ranking.+ Optimize indexing/query performance for low-latency AI responses.+ Work with embeddings (OpenAI, Hugging Face, or custom models).+ Develop scalable APIs (FastAPI, Flask, or similar).+ Collaborate on frontend-backend integration (Ember.js or other JavaScript frameworks).+ Use build tools (Ant, Maven, Gradle) for deployment automation.+ Ensure CI/CD pipelines are efficient and reliable.+ Work in Agile/Scrum environments, participating in sprints, standups, and retrospectives.+ Collaborate with frontend engineers, data scientists, and product teams.