Aastha C.

A results-driven Full-Stack AI Engineer with 5 years of software development experience and 3 years specializing in applied and generative AI. Expert in crafting end-to-end AI solutions—from prompt engineering and retrieval-augmented generation (RAG) to fine-tuning large language models and agent-based workflows. Proven track record building scalable, cloud-native architectures and delivering impactful AI products. Core Competencies: 1. Generative AI & LLM Expertise -Prompt Engineering: Advanced techniques including zero/few-shot, chain-of-thought, and structured prompting -Retrieval-Augmented Generation (RAG): Simple, advanced, and multimodal RAG pipelines using semantic & vector search -Fine-Tuning & Custom Training: Model adaptation with LoRA, PEFT, and specialized training loops -Agent Development: Building autonomous AI workflows and agents with LangChain, LangGraph, and conversational controllers -Latest LLMs: Llama3 series (8192 context, 1B–70B variants), Mistral, Gemma2/3, OpenAI GPT-3.5/turbo, GPT-4o & GPT-4o-mini, DeepSeek-R1 2. Traditional AI/ML Foundations Data Science & Preprocessing: CSV cleaning, feature engineering, pipelines Machine Learning: Supervised/unsupervised/reinforcement learning (regression, classification, clustering) Deep Learning: MLPs, CNNs, RNNs; loss & activation functions; optimizers (Adam) NLP Fundamentals: Tokenization, NER, embeddings (BERT, sentence-transformers, Nomic-text-embed, ADA) Technology Stack: Programming Languages: -Python | JavaScript (Node.js) | C/C++ | Bash | HTML & CSS Frameworks & Libraries -Web/API: FastAPI, Flask, Django, Next.js, React, Uvicorn -AI/ML: TensorFlow, PyTorch, scikit‑learn, OpenAI SDK, Hugging Face Transformers, Tavily API, LangChain, LlamaIndex, LangGraph, Ollama -RAG & Embeddings: Faiss, Chroma, Qdrant, Azure Cognitive Search, ElasticSearch -Agent & Workflow: LangChain Agents, Agentic AI, LangFlow, CrewAI, n8n, Zapier, Make -Visualization & Reporting: Matplotlib, Seaborn Cloud & DevOps: -Cloud Platforms: AWS (Lambda, S3, EC2), Microsoft Azure (OpenAI, Vision, Document Intelligence, Search) -Containerization: Docker, Kubernetes -CI/CD: GitHub Actions, Azure DevOps I deliver robust, scalable AI solutions tailored to your needs. From prototyping to production, my end-to-end expertise across generative AI, traditional ML, cloud infrastructure, and full-stack development ensures your project’s success. Let’s collaborate to transform your vision into reality.