Hao Jiang Email and Phone Number

• Designed and implemented services for natural language data analysis• Lead the design and development of an automated data visualization framework supporting over 10+ chart types.• Created and deployed scalable micro services

• Led large-scale refactor projects to optimize the performance of backend service with Python and Golang, decreasing the latency by 20%, increasing customer satisfaction.• Designed and implemented database schema in relational DB, ensuring seamless future migrations.• Served as mentor to guide new interns on problem-solving, communication and collaboration.• Created components with complex state with React and Redux and optimized the UI/UX.

Designed and developed data processing and data analytics methods with an emphasis on scaling and responsive, including development of machine learning and visualization methods.

• Trained and optimized machine learning / deep learning models for potential credit card user classification, reaching 30% accuracy of the banks AD delivery system.• Conducted data analysis with SQL and R and created reports for business insights.

- Maintained long-term customer relationships by consistently delivering accurate and timely service, exceeding expectations and ensuring customer satisfaction- Successfully managed office operations, including servicing ATM machines, maintaining supplies, and ensuring a professional and welcoming environment for customers and employees

• Designed database schema and built a MongoDB from ground up to distribute questions and store results.• Developed a full-stack web questionnaire for users and a dashboard to analyze the results.• Applied multivariate analysis models to collected data.

• Developed a pipeline on server side to run prediction models with real-time stocking price.• Designed and implemented a pricing database and created an SQL server.• Built a web server using Express.js for static resources and built APIs for web application.• Created a web dashboard using Vue.js for real-time demonstration of stock price and indices.