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Tunahan Akça

Tunahan Akça

Senior Data Annotator | Software Engineer

TURKEY flag
Zonguldak, Turkey
$20.00/hrExpertScale AICVATOther

Key Skills

Software

Scale AIScale AI
CVATCVAT
Other

Top Subject Matter

Autonomous driving systems

Top Data Types

3D Sensor
ImageImage
AudioAudio

Top Task Types

Segmentation
Cuboid
Bounding Box
Classification
Polygon
Object Detection
Text Generation
Prompt Response Writing SFT
Data Collection
Computer Programming Coding
Evaluation Rating
Transcription
RLHF
Text Summarization
Question Answering
Entity Ner Classification
Fine Tuning
Polyline

Freelancer Overview

Full-time Data Annotator with 2+ years of professional experience in autonomous driving at Ford Otosan, one of Turkey's leading automotive manufacturers. Specializes in image annotation and semantic segmentation workflows, with a strong focus on quality, consistency, and precision across large-scale datasets. Also brings additional experience in audio labeling, code labeling, and English-language data annotation across various AI training platforms. Holds a Bachelor's degree in Software Engineering from Sakarya University.

ExpertEnglishTurkish

Labeling Experience

AI Code Response Evaluator

Computer Code ProgrammingEvaluation Rating
Evaluated AI-generated coding responses based on detailed project guidelines. Assessed response quality, accuracy, and adherence to instructions to support the training and refinement of code-focused language models.

Evaluated AI-generated coding responses based on detailed project guidelines. Assessed response quality, accuracy, and adherence to instructions to support the training and refinement of code-focused language models.

2024 - Present

Audio Transcription Specialist & Quality Controller

AudioTranscription
Transcribed audio recordings into accurate written text as part of large-scale AI training data projects. Advanced to a senior quality control role, reviewing and verifying transcriptions before client delivery. Responsible for maintaining accuracy standards and flagging systematic errors across the annotation team.

Transcribed audio recordings into accurate written text as part of large-scale AI training data projects. Advanced to a senior quality control role, reviewing and verifying transcriptions before client delivery. Responsible for maintaining accuracy standards and flagging systematic errors across the annotation team.

2025 - Present

Visual Data Annotator & Information Extractor

ImageClassification
Performed image-based annotation tasks including structured information extraction from visual content. Classified and labeled image data to support computer vision model training pipelines.

Performed image-based annotation tasks including structured information extraction from visual content. Classified and labeled image data to support computer vision model training pipelines.

2024 - Present

Turkish & English Language Data Annotator

TextText Summarization
Worked on multiple Turkish and English-language AI training tasks including text summarization, information extraction, and various NLP annotation workflows. Ensured linguistic accuracy and adherence to task-specific guidelines throughout.

Worked on multiple Turkish and English-language AI training tasks including text summarization, information extraction, and various NLP annotation workflows. Ensured linguistic accuracy and adherence to task-specific guidelines throughout.

2024 - Present

Autonomous Driving LiDAR Annotator

3D SensorCuboid
Annotated LiDAR point cloud data using Deepen AI at Ford Otosan. Created 3D cuboid annotations for vehicles, pedestrians, and animals, assigning object parameters including dimensions, orientation, and classification labels. Responsibilities also included label review, quality verification, and reporting.

Annotated LiDAR point cloud data using Deepen AI at Ford Otosan. Created 3D cuboid annotations for vehicles, pedestrians, and animals, assigning object parameters including dimensions, orientation, and classification labels. Responsibilities also included label review, quality verification, and reporting.

2023 - 2025

Education

S

Sakarya University

Bachelor's, Software Engineering

Bachelor's
2020 - 2025

Work History

F

Ford Otosan

Deep Learning Intern

Istanbul
2025 - 2025
F

Ford Otosan

Data Annotator

Istanbul
2023 - 2025