Senior Backend Engineer / Lead Backend Engineer (Proxify) - shipping production AI agents and chatbot features
Built and deployed production AI agent capabilities integrated into client products using LangChain with OpenAI and Gemini. Implemented reactive agentic workflows that support dynamic tool selection and multi-step reasoning for end-user interactions. Developed a live Model Context Protocol (MCP) server conceptually enabling structured prompt/tool exchanges and function calling behavior. • Integrated OpenAI and Gemini via LangChain for agent and chatbot features • Implemented tool-selection and reasoning pipelines using LangChain • Designed backend services to support MCP-style tool/resource interactions • Used token validation and real-time updates to support agent-driven experiences