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Philip Hartley

Philip Hartley

AI/ML/NLP/RLHF Data Annotator & Machine Learning Trainer

United Kingdom flagLondon, United Kingdom
$20.00/hrExpertV7 LabsLabelboxCVAT

Key Skills

Software

V7 LabsV7 Labs
LabelboxLabelbox
CVATCVAT
TelusTelus
SamaSama
AppenAppen
ClickworkerClickworker
TolokaToloka
RemotasksRemotasks
Micro1
Other

Top Subject Matter

Ai/ml/nlp/rlhf Domain Expertise
Computer Vision
Natural Language Processing

Top Data Types

ImageImage
VideoVideo
AudioAudio
TextText
DocumentDocument

Top Task Types

Bounding BoxBounding Box
PolygonPolygon
Point/Key PointPoint/Key Point
SegmentationSegmentation
Object DetectionObject Detection
Action RecognitionAction Recognition
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification
RLHFRLHF
TranscriptionTranscription

Freelancer Overview

AI/ML/NLP/RLHF Data Annotator & Machine Learning Trainer. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include V7 Labs, LabelBox, and CVAT. Education includes Master of Science, Carnegie Mellon University (2019) and Bachelor of Science, University of Nairobi (2017). AI-training focus includes data types such as Image, Video, and Audio and labeling workflows including Bounding Box, Polygon, and Point.

ExpertEnglishFrench

Labeling Experience

V7 Labs

AI/ML/NLP/RLHF Data Annotator & Machine Learning Trainer

V7 LabsImageBounding BoxPolygon
Delivered high-accuracy annotations for images, video, audio, and text data across global AI training pipelines. Executed diverse annotation tasks such as object detection, segmentation, speech transcription, sentiment analysis, and search relevance evaluation. Led a distributed annotation team, ensuring high throughput, quality assurance, and deadline management. • Performed RLHF tasks including ranking, rating, and rewriting model outputs. • Operated leading annotation tools: V7 Labs, LabelBox, CVAT, UHRS, LDP, and others. • Supported annotation and evaluation tasks for NLP, Computer Vision, and Robotics datasets. • Completed specialized ML training tasks in Deep Learning and Intelligent Agents.

Delivered high-accuracy annotations for images, video, audio, and text data across global AI training pipelines. Executed diverse annotation tasks such as object detection, segmentation, speech transcription, sentiment analysis, and search relevance evaluation. Led a distributed annotation team, ensuring high throughput, quality assurance, and deadline management. • Performed RLHF tasks including ranking, rating, and rewriting model outputs. • Operated leading annotation tools: V7 Labs, LabelBox, CVAT, UHRS, LDP, and others. • Supported annotation and evaluation tasks for NLP, Computer Vision, and Robotics datasets. • Completed specialized ML training tasks in Deep Learning and Intelligent Agents.

2021 - 2025

Education

J

Jomo Kenyatta University of Agriculture & Technology

Bachelor of Banking and Finance, Banking and Finance

Bachelor of Banking and Finance
2020 - 2023
C

Carnegie Mellon University

Master of Science, Computer Science

Master of Science
2017 - 2019

Work History

S

Stripe

Senior Software Engineer

San Francisco
2023 - Present
D

Dreamport Asaptickets

Travel Sales Agent

Remote
2025 - 2025