Haoran D.

Key Skills

Software

Other

Top Subject Matter

AI model training datasets (text/audio/image)

Mathematics tutoring for learners

Mathematics and physics tutoring

Top Data Types

Text

Image

Audio

Top Task Types

Question Answering

Classification

Segmentation

Transcription

Freelancer Overview

AI Data Annotator — RWS Group. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Associate of Applied Science, Marianopolis College (2026) and Bachelor of Engineering, McGill University (2026). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Question Answering.

Labeling Experience

Teaching Assistant — Marianopolis College

OtherText

Assisted instructors by grading assignments and assessments in mathematics-related courses. Provided detailed academic feedback to support student improvement and learning outcomes. Supported students in core topics including Calculus and Linear Algebra within a collaborative learning environment. • Graded math course assignments and assessments • Delivered detailed feedback to students • Supported learning in Calculus and Linear Algebra • Contributed to collaborative academic learning

2025 - Present

Peer Tutor — Marianopolis College

OtherTextQuestion Answering

Delivered one-on-one academic tutoring to support students in mathematics and physics. Explained complex scientific concepts using structured problem-solving approaches. Helped learners improve analytical thinking and exam performance through ongoing mentorship. • Provided individualized tutoring support • Broke down complex concepts into step-by-step solutions • Supported improved exam performance • Built communication and mentorship skills through tutoring

2025 - Present

Private Mathematics Tutor — Self-employed

OtherTextQuestion Answering

Provided targeted tutoring to help students understand and solve advanced mathematics problems. Used structured explanations and practice materials to improve exam readiness. Adapted teaching methods to individual learning styles and learning needs. • Designed personalized study plans and practice materials • Strengthened understanding of advanced mathematical concepts • Delivered targeted instruction for exam preparation • Used problem-solving approaches to clarify complex topics

2024 - Present

AI Data Annotator — RWS Group

OtherText

Annotated and evaluated multi-modal datasets to support AI model training workflows at RWS Group. Followed detailed annotation guidelines to ensure data quality consistency across tasks. Provided feedback intended to improve machine learning model performance. • Labeled text (and also audio/image) content for training • Maintained high-quality standards per written guidelines • Collaborated remotely in distributed AI data processing teams • Reviewed outputs and contributed feedback to refine models

2024 - 2026

Education

Work History