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About the role
Position: Software Engineer / AI Engineer Location: Remote & Sometime (On-site Preferred) Employment Type: Full-time Experience: 15 Years About Infactra AI Infactra AI is an Enterprise AI platform that helps organizations automate workflows, deploy AI Agents, integrate with ERP/CRM systems, and build secure AI solutions for enterprises. We are developing next-generation AI products powered by Large Language Models (LLMs), Agentic AI, RAG, and enterprise data. Role Overview We are looking for a passionate Software Engineer / AI Engineer with expertise in the MERN Stack and Generative AI. The ideal candidate should have experience building scalable web applications, integrating LLMs, fine-tuning open-source models, and developing AI-powered enterprise applications. Key Responsibilities Develop scalable web applications using the MERN Stack (MongoDB, Express.js, React.js, Node.js).Design and build REST APIs and microservices.Integrate OpenAI, Llama, Qwen, Mistral, DeepSeek, or other LLMs into enterprise applications.Fine-tune open-source language models using enterprise datasets.Build Retrieval-Augmented Generation (RAG) pipelines with vector databases.Develop AI Agents for workflow automation and enterprise productivity.Implement prompt engineering, evaluation, and model optimization.Work with embeddings, semantic search, and document indexing.Deploy AI models using Docker, Kubernetes, or cloud platforms.Integrate AI solutions with ERP, CRM, and business applications.Optimize application performance, scalability, and security.Collaborate with product, design, and business teams to deliver AI solutions.Required SkillsFull-Stack Development MongoDBExpress.jsReact.jsNode.jsTypeScript / JavaScriptREST APIsGit & GitHubAI / Machine Learning PythonPyTorch or TensorFlowHugging Face TransformersPEFT / LoRA / QLoRA fine-tuningPrompt EngineeringRAG ArchitectureLangChain or LlamaIndexVector Databases (Pinecone, Qdrant, ChromaDB, Milvus, FAISS)Model evaluation and optimizationLLM Experience LlamaQwenMistralDeepSeekGemmaOpenAI APIsOllama or vLLMKnowledge of model quantization and inference optimizationDevOps DockerKubernetes (preferred)LinuxAWS / Azure / GCP (preferred)CI/CD pipelinesDatabase MongoDBPostgreSQL / MySQLRedisPreferred Qualifications Bachelor's or Master's degree in Computer Science, AI, or a related field.25 years of software engineering experience.Experience building production AI applications.Experience with enterprise integrations (ERP/CRM) is a plus.Knowledge of AI security, model deployment, and monitoring.Bonus Skills MCP (Model Context Protocol)AI AgentsMulti-Agent SystemsComputer VisionSpeech-to-Text / Text-to-SpeechNVIDIA GPU optimizationONNX / TensorRTOracle JD Edwards integrationManufacturing AI or ERP domain knowledgeWhat You'll Build Enterprise AI PlatformCompany GPTAI AgentsWorkflow AutomationEnterprise SearchDocument IntelligenceAI DashboardsERP & CRM IntegrationsFoundation Models for EnterprisesPay: 25,704.09 - 55,942.55 per month Work Location: Remote .