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A
Andersen Z.

Andersen Z.

Graduate Civil Engineer / Engineering Research Assistant in Contract Review, Compliance, and Legal Research

Nigeria flagZaria, Nigeria

Key Skills

Software

AppenAppen
LabelboxLabelbox
CVATCVAT
Scale AIScale AI
Label StudioLabel Studio
ProdigyProdigy
V7 LabsV7 Labs
DataloopDataloop
Data Annotation TechData Annotation Tech

Top Subject Matter

Legal Services & Contract Review
Regulatory Compliance & Risk Analysis
Legal Research & Document Analysis

Top Data Types

DocumentDocument
TextText

Top Task Types

Bounding BoxBounding Box
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection
RLHFRLHF

Freelancer Overview

Graduate Civil Engineer / Engineering Research Assistant in Contract Review, Compliance, and Legal Research. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Master of Science in Civil Engineering, Ahmadu Bello University Zaria (2024) and Bachelor of Engineering in Civil Engineering, Afe Babalola University Ekiti State (2023).

Labeling Experience

Generative AI Content Evaluation Associate

TextTextEvaluation/RatingEvaluation/Rating

Evaluated AI-generated content for factual accuracy, coherence, tone, and policy compliance across multiple generative AI systems. Ranked alternative model responses, identified hallucinations and harmful outputs, and documented annotation guidelines to improve model alignment and user experience. Contributed to continuous improvement initiatives by reporting recurring quality issues and edge case behaviors.

2025 - 2026

NLP Data Annotation Analyst

AudioAudioTranscriptionTranscription

Supported the development of speech recognition and natural language processing systems by reviewing audio transcriptions and labeling financial terminology within customer support interactions. Validated speech-to-text outputs, corrected transcription errors, and tagged entities such as account types, transactions, and customer intents to improve AI model comprehension and prediction quality.

2025 - 2025

Computer Vision Data Annotator

ImageImageBounding BoxBounding Box

Annotated thousands of image and video frames for machine learning models used in object recognition and smart monitoring systems. Performed bounding box labeling for pedestrians, vehicles, and infrastructure elements while ensuring annotation precision and dataset consistency. Assisted in dataset validation, edge-case identification, and quality assurance processes to support model training accuracy.

2024 - 2025

AI Data Labeling Specialist

TextTextClassificationClassification

Worked on large-scale conversational AI training projects focused on improving chatbot accuracy and human-like interactions. Reviewed and annotated customer conversations, classified user intent, evaluated AI-generated responses for relevance and safety, and provided quality feedback to improve language model performance. Collaborated with QA reviewers to maintain annotation consistency and achieve high accuracy standards across multilingual datasets.

2024 - 2024

Education

A

Afe Babalola University Ekiti State

Bachelor of Engineering in Civil Engineering, Civil Engineering

Bachelor of Engineering in Civil Engineering
2018 - 2023
A

Ahmadu Bello University Zaria

Master of Science in Civil Engineering, Civil Engineering

Master of Science in Civil Engineering
2024

Work History

A

Ahmadu Bello University

Graduate Civil Engineer / Engineering Research Assistant

Zaria
2025 - Present
I

Infinite Acres Abuja

Site Engineer

Abuja
2024 - 2025