Shani Mahadeva

Senior Software Engineer with over 10 years of experience. Excels at System Design for AWS Cloud, Cloud Cost Optimisation, API design and performance optimisation, and Data modelling and optimisation — primarily using MongoDB and DynamoDB for NoSQL, with additional experience in SQL using Postgres. Has 8+ years of experience deploying secure web applications on AWS using CI/CD tools like Code Pipeline, CloudFormation, and AWS CDK, with responsibility for application security, logging, monitoring, observability setup, and API integrations. Has coordinated with cross-functional, distributed teams across the globe. Experience spans EduTech, Marketplaces, and Online Gaming. In the most recent assignment, designed and developed the backend and admin UI for CleverX. Current interest is architecting AI-driven solutions leveraging Claude, Gemini, and OpenAI, developing multi-modal and multi-agent AI applications using LangGraph and LangChain as orchestration frameworks, Pinecone and MongoDB as vector DB databases, and LangSmith or LangFuse as monitoring and analytics platforms. Also has specialized experience in data tagging using custom-trained OpenAI models to improve data accuracy and categorization, and is proficient in designing resilient microservices on AWS with robust CI/CD pipelines using IaC tools like CloudFormation and AWS CDK. Over the past year, has used AI for model fine-tuning, RAG-based search, and text/image generation for applications like automatic user data categorisation and search relevance improvement — using Claude, Opencode, and GitHub Copilot extensively for development and planning productivity.

Core expertise in Node.js, AWS Cloud Architecture, Vector Databases, and LLM Orchestration (RAG, Agents & Fine-Tuning).