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Zhi Han Tan

Zhi Han Tan

Business Analyst, Data Analyst
Singapore

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About Zhi Han Tan:

As a Business Analytics major with a background in Java Spring Boot development, I am eager to transition into a career path as a Business/Data Analyst. With a unique blend of analytical skills and minor experiences in development, I am excited to return to my roots of working with data and big data to provide significant value to companies.

Throughout my journey as a Java Developer at DBS in Singapore, I gained valuable experience refactoring legacy code for improved reliability, scalability, and maintainability. I also developed REST APIs using Java Spring Boot and Maven, created reusable Jenkins Pipeline jobs, and crafted SQL and Groovy scripts for efficient database operations. Additionally, I strengthened code coverage and addressed vulnerabilities using tools like Sonarqube, Nexus IQ, and Fortify. I am well-versed in SDLC methodologies like Agile and Waterfall, and I rely on Jira, Jenkins Pipelines, and Confluence for seamless project management.

I hold a Bachelor of Science in Business Analytics (Financial Analytics) from the National University of Singapore, where I graduated with honors. During my studies, I completed several impactful projects, including a portfolio risk management project that involved analyzing mutual funds in the telecommunications sector using metrics such as Sharpe Ratio, Alpha, and Beta. I also implemented a speech tagging system based on the Hidden Markov Model and developed a student portal application using Vue.js and Firebase. Moreover, I designed a predictive model using XGBoost to identify future dengue hotspots based on climate and historical data, and I trained classification models to predict loan default probabilities.

In my internship as an Associate Business Analyst at Integrated Health Information Systems, I gained practical experience in performing data verification, monitoring workflows, and conducting basic querying and data engineering using tools like Excel, Informatica, and Microsoft SQL.

Driven by dedication and a strong work ethic, I am committed to becoming a dependable and valuable team member. I am now seeking new opportunities in the field of business and data analysis, where I can leverage my skills, passion for data, and analytical mindset to drive actionable insights and contribute to organizational growth.

Let's connect and explore how my expertise can benefit your company's success.

Experience

As a Java Developer in DBS for about a year, these are some of the responsibilities and tasks performed:
 

• Refactored legacy code to improve reliability, scalability and maintainability
• Created reusable Jenkins Pipeline jobs for ease of service management
• Developed REST API with Java Spring Boot and Maven for the Wealth Team
• Crafted multiple SQL and Groovy scripts to execute changes in databases
• Improved code coverage and resolved vulnerabilities using Sonarqube, Nexus 
IQ and Fortify
• Performed User Acceptance Testing

Education

I hold a Bachelor of Science in Business Analytics (Financial Analytics) from the National University of Singapore, where I graduated with honors. During my studies, I completed several impactful projects, including a portfolio risk management project that involved analyzing mutual funds in the telecommunications sector using metrics such as Sharpe Ratio, Alpha, and Beta. I also implemented a speech tagging system based on the Hidden Markov Model and developed a student portal application using Vue.js and Firebase. Moreover, I designed a predictive model using XGBoost to identify future dengue hotspots based on climate and historical data, and I trained classification models to predict loan default probabilities.

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