Daffa Pratama

Data-driven professional with more than one year of experience in data analytics and over 1.5 years of professional experience in data analyst and web developer. I have developed numerous trend analyses across areas such as employee performance, sales, and other business domains. In addition, I have capabilities in data engineering, data science, machine learning and web development.

Full-Stack Developer Staff (contract) at PT. Hitachi Astemo Bekasi Mfg (Astra Group) (2024-03 – 2024-09)

Designed, engineered, and deployed web-based systems with comprehensive testing and cross-departmental collaboration.

• Designed and documented end-to-end business processes using UML, effectively communicating system functionalities to users.
• Engineered a web-based system using PHP, HTML, CSS, JavaScript and SQL, improving business process efficiency.
• Completed 5 projects within 6 months of work and collaborated with finance and HR departments
• Executed comprehensive system testing, identifying and resolving bugs to ensure seamless deployment.

Data Analyst staff at PT. Hartono Istana Teknologi (Polytron) (2022-03 – 2023-02)

Processed large datasets, performed advanced data analysis, and developed interactive dashboards for HR decision-making.

• Processed and managed large datasets (20.000-row dataset) using SQL and Excel, improving the efficiency and accessibility of reports for the HR team.
• Performed advanced data analysis for HR, utilizing SQL and Python to identify patterns in employee termination trends.
• Implemented data mining techniques using Python (Plotly, Matplotlib, Pandas, Scikit-learn) to uncover key workforce trends and insights.
• Developed interactive dashboards and visualization charts using Power BI and Web-based dashboard using Streamlit, enabling the HR division to make data-driven decisions faster.

B.Sc. in Computer Science – Bina Nusantara University (2019-08 – 2023-04)