Data Entry Clerk Candidate with Data Analysis Expertise

SKILL AND CAPABILITY

Jonathan Raynard Taniadi S.Si.

Data Analyst

**************@*****.*** +62-822-****-**** LinkedIn GitHub Portfolio I am an Applied Mathematics graduate with professional experience in data analysis and strong passion on turning data into meaningful insights. With solid skills in various analytical tools, I consistently apply structured thinking to support data-driven decisions. I enjoy solving problems through thoughtful analysis and clear communication, and I work well in collaborative environments. Always eager to grow, I continuously seek opportunities to learn and contribute to impactful projects. Python, SQL, R

Excel, Tableau, PowerBI

Machine Learning

Data Cleaning & Modeling

Exploratory Data Analysis

Performance Monitoring

EXPERIENCE

Sales Data Analyst PT Artaboga Cemerlang

Deliver comprehensive sales data analysis to track team performance and uncover key opportunities for enhancing overall business growth.

Serve as a strategic advisor by providing data-driven insights that influence critical decision-making across multiple divisions, while coordinating cross-divisional collaboration to ensure every project is executed systematically. Collaborate closely with fellow data analysts to streamline analysis methodologies, ensuring consistency and accuracy in all insights and recommendations delivered.

2024 - Present

Social Media Data Analyst Internship NoLimit

Conduct assessments to retrieve client data from social media platforms, including client accounts, hashtags, and keywords, as well as analyzing client competitors. Analyze trending topics and perceptions about clients' products or events, and presenting findings in a report to provide recommendations for improving social media performance. 2024

EDUCATION

Parahyangan Catholic University 2020 - 2024

A student majoring in Applied Mathematics and Data Analysis, with a GPA of 3.27. SMA Santa Maria 1 Bandung (Senior High School) 2017 - 2020 Science major.

CERTIFICATION

Certificate of Completion in SQL DQLab 2024

A course from DQLab about some basic function in SQL. Certified International Specialist in Data Modelling PASAS Institute A general knowledge test in Python, Data Science, and Statistics. 2024

Pearson English Benchmark Test

An English test in writing, reading, listening, and speaking skill (B1+). 2023

Bandung, Indonesia

Insight Communication &

Reporting

Time Management

PORTFOLIO

Application of machine learning to predict the correlation between S&P 500 and Bitcoin, with error evaluation for performance assessment of the predictions

SPX and Bitcoin Rolling Correlation Prediction

A personal exploration of Power BI using a dummy dataset, involving the creation of basic sales charts and further analysis to identify correlations between variables and car prices. Car Sales Dataset Visualization

Problem Solving

Project Coordination

Team Collaboration

AI Annotator DataAnnotation 2026 - Present

Evaluate and annotate LLM outputs to ensure high-quality feedback and compliance with platform standards. Perform manual fact-checking and data research to ensure accuracy without the use of AI tools. Review and validate other freelancers' LLM evaluations to maintain the quality and consistency of collected assessments.

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