AI Engineer

1 week ago

New Delhi, India Kayana | Ordering & Payment Solutions Full time

Job Title: AI Engineer (LLMs, Agentic Systems & Model Training)Location: MumbaiEmployment Type: Full-TimeExperience Level: Mid–SeniorAbout the RoleWe are seeking a highly skilled AI Engineer with deep expertise in Large Language Models (LLMs), AI Agents, and advanced retrieval and fine-tuning techniques. The ideal candidate has hands-on experience training and optimizing LLMs, building agentic workflows, utilizing vector embeddings, and implementing Agentic RAG and Cache-RAG architectures. Strong proficiency in Python and Java is required.Key ResponsibilitiesLLM Development & Model Training- Fine-tune, train, and optimize LLMs (open-source or proprietary) for specific business use cases. - Implement supervised fine-tuning (SFT), RLHF, PEFT/LoRa, and other parameter-efficient training methods. - Evaluate and improve model performance using modern benchmarking and evaluation tools.AI Agents & Autonomous Workflows- Build and deploy AI agents capable of tool use, planning, memory, and multi-step reasoning. - Architect agentic systems that interact with external APIs, internal tools, and knowledge sources. - Optimize agent reliability, latency, and cost using best practices.RAG & Vector Embeddings- Design and implement Agentic RAG, Cache-RAG, and hybrid retrieval pipelines. - Work with vector databases (Postgres Vector, Pinecone, FAISS, Milvus, Chroma, Weaviate, etc.). - Generate and manage embeddings for semantic search, retrieval-augmented generation, and caching. - Ensure integrity, quality, and relevance of retrieval datasets.Software Engineering- Develop scalable AI services using Python and Java. - Build APIs, microservices, and data pipelines that support AI workflows. - Write efficient, production-ready, clean, and well-documented code.Collaboration & Research- Partner with data scientists, ML engineers, product teams, and researchers. - Stay current with state-of-the-art LLM research, agent frameworks, and vector search technologies. - Propose and prototype innovative AI features and architectures.Required Skills & Qualifications- Bachelor’s/Master’s in computer science, AI, Machine Learning, or related field. - Strong proficiency in Python and Java, with demonstrable project experience. - Hands-on experience fine-tuning and training LLMs (e.g., Llama, Mistral, GPT variants, Qwen, Gemma). - Deep understanding of transformer architectures, tokenization, and inference optimization. - Experience with agent's frameworks (LangChain, AutoGen, OpenAI Agents, LlamaIndex agents, custom agents). - Practical knowledge of vector embeddings, ANN search, and RAG methodologies. - Familiarity with GPU pipelines, distributed training, and model deployment. - Understanding of cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).Preferred Qualifications- Experience with multi-modal LLMs (vision, audio, code). - Knowledge of model quantization (GPTQ, AWQ) and inference acceleration. - Experience with orchestration tools (Ray, Prefect, Airflow). - Contributions to open-source AI projects.What We Offer- Competitive salary and benefits - Opportunity to work with cutting-edge AI systems - A collaborative environment that encourages innovation - Career growth and leadership opportunities

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