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Callista T.

Callista T.

Laboratory Assistant for Preparation of Natural Ingredients

Indonesia flagSemarang, Indonesia

Key Skills

Software

Don't disclose

Top Subject Matter

Pharmaceutical natural ingredients formulation and evaluation
Organic Chemistry laboratory analysis and reporting
Pharmaceutical Analysis instrument operation and results assessment

Top Data Types

DocumentDocument
TextText
ImageImage

Top Task Types

Text SummarizationText Summarization
Question AnsweringQuestion Answering

Freelancer Overview

Bachelor of Pharmacy graduate from Universitas Negeri Semarang with laboratory and research experience requiring attention to detail, accuracy, and systematic evaluation. Familiar with structured data review and quality-focused workflows

Labeling Experience

Laboratory Assistant for Preparation of Natural Ingredients

Don't disclose

Served as a laboratory assistant where student lab reports and practicum outputs were reviewed to gauge understanding and correct application of experimental procedures. Although not AI-specific, this role involved structured evaluation of generated results and documentation for reliability. The workflow required consistent assessment criteria and feedback based on what students produced in the lab. • Reviewed student reports and practicum results • Checked whether formulation, preparation, and evaluation followed correct methods • Evaluated reliability of student outputs • Provided feedback to improve application of laboratory techniques

2025 - Present

Laboratory Assistant for Pharmaceutical Analysis Instrument

Don't disclose

Guided students in using pharmaceutical analysis instruments and assessed analysis outputs to measure technique application. The role included explaining instrument principles and procedures, ensuring safe equipment handling, and then evaluating the results students produced. This functionally supports structured performance labeling for lab competency assessment. • Guided instrument operation (spectrophotometry) for analysis skills • Explained working principles and analytical techniques • Ensured correct and safe procedures while conducting experiments • Evaluated and assessed analysis results from approximately 27 students

2024 - 2024

Laboratory Assistant for Organic Chemistry

Don't disclose

Supervised Organic Chemistry laboratory practicums and evaluated students’ submitted practicum reports to measure their analytical skills and understanding. The work required ensuring experimental protocols and safety procedures were followed, then grading/assessing the resulting documentation. This created an organized dataset of student performance based on consistent evaluation. • Supervised practicums in Organic Chemistry • Ensured safety procedures and proper experimental protocols • Assisted lecturers with lab materials and analytical technique demonstrations • Reviewed and assessed practicum reports from 32 students

2024 - 2024

Education

U

Universitas Negeri Semarang

Bachelor of Pharmacy, Pharmacy

Bachelor of Pharmacy
2022 - 2026

Work History

U

Universitas Negeri Semarang

Laboratory Assistant (Natural Ingredients Preparation)

Semarang
2025 - Present
U

Universitas Negeri Semarang

Laboratory Assistant (Pharmaceutical Analysis Instruments)

Semarang
2024 - 2024