Alexandr D.

I'm Senior Software Engineer . Experienced in Cross-platform mobile & web development . Building AI-integrated products with LLM APIs (RAG, function calling) SUMMARY Senior Software Engineer with 10+ years of experience delivering scalable cloud-native web and mobile applications. Expertise spans React, React Native, TypeScript, Python, and FastAPI, with hands-on experience building microservices, distributed systems, asynchronous processing pipelines, and AI-powered products. Experienced integrating LLM APIs using RAG and function calling, designing REST and GraphQL APIs, and working in AWS and Docker environments. Proven technical leader with 5+ years leading engineering teams, mentoring developers, driving architecture decisions, and delivering high-quality enterprise software.