Aron Symanski

Architected and developed a scalable, microservices-based delivery platform using React, Next.js, and FastAPI, focusing on maintainability and performance. Led backend microservices for orders, payments, and refunds; built real-time order processing pipelines using Kafka; optimized MySQL schemas; integrated OpenAI, LangChain, and Google Vertex AI for chat, voice assistant, and sentiment analysis; designed WebSocket-based live order tracking; improved concurrency with pgvector and Redis caching; integrated Stripe and PayPal for multi-currency payments; automated deployments with Docker, Kubernetes (EKS/Fargate), and Terraform; built analytics dashboards with Grafana, Metabase, and Google Data Studio.

Architected and developed a scalable, microservices-based delivery platform using React, Next.js, and FastAPI; led backend microservices for orders, payments, and refunds; built real-time order processing pipelines using Kafka; optimized MySQL databases and schemas; integrated OpenAI, LangChain, and Google Vertex AI to enable LLM-based chat, voice assistant, and review sentiment analysis; designed WebSocket-based live order tracking; optimized performance with pgvector and Redis; integrated Stripe and PayPal payments; automated deployments with Docker, Kubernetes (EKS/Fargate), and Terraform; built analytics dashboards enabling data-driven decisions.

Developed a high-performance fintech app using React, TypeScript, Tailwind CSS, Redux-Saga, Zustand, Django, and MongoDB. Created 50+ reusable HOC components and implemented styled-components and React hooks, improving speed and maintainability. Collaborated on multiple full-stack projects using Python, Node.js, React and mobile platforms. Practiced TDD (Jest, Pytest, Mocha, Cypress) to ensure reliability. Automated CI/CD pipelines with GitHub Actions and Jenkins, reducing deployment time.