**Jarvis Wang**
Sr. Java/Full-Stack Developer
jarviswang.java@gmail.com | rose.hrsales@besthtech.net
(202) 770-3339
Princeton, NJ | Open to Relocate

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### **Summary**
- 7+ years in web application design, development, and testing, with 4 years in data science.
- Expertise in OOP, Core Java (Polymorphism, Inheritance, Collections, Multi-Threading).
- Backend: Spring Boot, Hibernate, JWT, OAuth 2.0. Frontend: React, Angular, HTML/CSS/JavaScript.
- Cloud: Azure Data Factory (container, dataflow, pipeline), AWS (RDS, SQS, EC2, S3, DynamoDB).
- Databases: PostgreSQL, Oracle, MySQL. Tools: Git, SVN, Maven, Tableau.

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### **Technical Skills**
- **Languages:** Java, SQL, Python, R, JavaScript, Swift
- **J2EE:** Spring IOC, AOP, MVC, Servlet, JSP, JDBC
- **Frameworks:** Spring Boot, Hibernate, Spring Security, OAuth 2.0, JWT
- **Web:** HTML, XML, CSS, AJAX, JSON, REST, React.js, Angular
- **Servers:** Apache Tomcat
- **Databases:** Oracle, MySQL, PostgreSQL
- **Cloud:** Azure, AWS (RDS, SQS, EC2, S3, DynamoDB, API Gateway)
- **Tools:** JUnit, Git, Tableau

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### **Professional Experience**

#### **XinFeng Inc., New York, NY** — *Senior Java Developer* (Mar 2023 – Present)
**Project:** Online Menu & Ordering System for Restaurants
- Led user classification, OAuth/Spring Security integration, and dynamic pricing for registered/non-registered users.
- Developed loyalty program with point redemption using Java, Spring Boot, Angular, and AWS MySQL.
- Managed CRUD operations, JUnit testing, and Git/Maven for version control.
**Tech:** J2EE, JDK 1.8, Spring Boot, Angular, Hibernate, AWS MySQL, Git.

#### **Microhouse Systems Inc., Ontario, Canada** — *Senior Java Developer* (Jun 2022 – Feb 2023)
**Project:** Full-Stack Employee Management System
- Migrated Oracle to Azure serverless backend. Built microservices with Spring Boot, Angular, and Hibernate.
- Managed DAO, SQL queries, and Tableau visualizations.
**Tech:** J2EE, Spring Boot, Angular, MySQL, Git.

#### **Amazon, Seattle, WA** — *Software Development Engineer* (May 2021 – May 2022)
**Project:** ML-Based Sales Forecasting for New Products
- Developed full-stack ML app for sales predictions, refactored demand aggregation tool, and supported dynamic pricing UI.
- Built AWS Lambda/DynamoDB backend and unified API for dataset sharing.
**Tech:** Java, Spring, React, AWS Lambda, DynamoDB.

#### **Sina Weibo, Beijing, China** — *Intern* (May 2019 – Aug 2019)
**Project:** Social Media Management System
- Developed React frontend for content publishing, likes, and comments. Established database connections.
**Tech:** J2EE, React, Hibernate, Git.

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### **Project**
**Movie Ticket Booking System** (Nov 2018)
- Built with Core Java, Servlet, Hibernate, and Spring Boot. Managed ticket inventory, user auth, and real-time updates.
**Tech:** Java, Hibernate, Spring Boot, SQL, Git.

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### **Education**
**Northeastern University, Boston, MA** — MS in Data Science
**Northwest Missouri State University** — BS in Computer Science

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