Javan O.

Key Skills

Software

CVAT

V7 Labs

Remotasks

Mindrift

Toloka

Other

Top Subject Matter

Computer vision (autonomous driving, retail object detection, facial recognition, healthcare imaging)

NLP and text understanding (sentiment, NER, question answering)

Speech and voice recognition (transcription, intent, emotion)

Top Data Types

Image

Text

Audio

Video

Top Task Types

Segmentation

Entity (NER) Classification

Transcription

Action Recognition

Freelancer Overview

Remote Data Annotator (Image & Video) — Freelance (CVAT, V7 Labs, Remotasks). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, V7 Labs, and Remotasks. Education includes Bachelor of Information Technology, Mount Kenya University (2022). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Segmentation, Entity (NER) Classification, and Transcription.

Labeling Experience

Data Collection for AI/Computer Vision Datasets — Egocentric POV Video Recording

OtherVideoAction Recognition

Conducted egocentric POV (point-of-view) video recordings to create AI and computer-vision training datasets. Captured real-world scenarios and human interactions to provide representative data for advanced machine learning and immersive AI systems. Followed consistent capture practices to support downstream annotation and model development. • Egocentric POV video data collection for CV datasets. • Real-world scenario recording for varied environments. • Human interaction capture to enrich behavior datasets. • Dataset support for immersive AI model training pipelines.

2022 - Present

Remote Data Annotator (Audio/Speech) — Freelance (Toloka, Mindrift)

TolokaAudioTranscription

Completed audio annotation for transcription, audio segmentation, and validation workflows. Labeled speech data with speaker intent and emotion to support training for voice recognition models. Worked with Toloka and Mindrift, following accuracy requirements and quality assurance procedures. • Transcription and validation of audio segments. • Audio segmentation for dataset creation. • Speaker intent labeling for speech modeling. • Emotion labeling to improve voice recognition training data.

2022 - Present

Remote Data Annotator (Text/NLP) — Freelance (Mindrift, Toloka)

MindriftTextEntity (NER) Classification

Performed text and NLP annotation for sentiment analysis, language understanding, named entity recognition (NER), and question answering tasks. Completed labeling through Mindrift and Toloka by adhering to detailed linguistic and project instruction sets. Ensured label consistency and precision for AI/ML model training and evaluation. • Sentiment analysis labeling on multilingual datasets. • NER labeling for entity extraction tasks. • Question answering annotations following task-specific formats. • Content validation and scoring as required by platform guidelines.

2022 - Present

Remote Data Annotator (Image & Video) — Freelance (CVAT, V7 Labs, Remotasks)

CVATImageSegmentation

Remote data annotation across image and video datasets using bounding boxes, polygons, and segmentation masks for multiple AI computer-vision projects. Labeled data on platforms including CVAT, V7 Labs, and Remotasks, supporting applications such as autonomous driving, retail object detection, facial recognition, and healthcare image datasets. Followed strict, project-specific quality guidelines and incorporated reviewer feedback to maintain consistent annotation accuracy. • Bounding boxes and polygons for object and region labeling. • Segmentation masks for medical and retail datasets. • Keypoints support in CVAT-based workflows. • Quality assurance through peer review and evaluation loops.

2022 - Present

Education

Work History