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Danny Callaghan

Danny Callaghan

Lead Front-End Engineer - Data-Rich Web Applications

UNITED_KINGDOM flag
Petersfield, United Kingdom
$20.00/hrEntry Level

Key Skills

Software

No software listed

Top Subject Matter

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Top Data Types

Computer Code ProgrammingComputer Code Programming
ImageImage
TextText

Top Label Types

Classification
Computer Programming Coding
Function Calling
Object Detection

Freelancer Overview

With over 20 years of experience building and leading data-rich web applications, I have a strong foundation in managing and visualizing large, complex datasets, including live telemetry and reporting platforms. My background includes designing end-to-end workflows for data-intensive products, implementing robust UI/UX for data annotation interfaces, and optimizing performance for real-time data visualization using tools like React, Svelte, D3, and Mapbox GL JS. I am skilled in collaborating with cross-functional teams to deliver accurate, usable, and reliable data solutions, and have hands-on experience with data modeling, information architecture, and ensuring accessibility and auditability in compliance-driven domains. My technical expertise in JavaScript, TypeScript, and modern web technologies, combined with a solid academic background in machine learning and neural networks, enables me to contribute effectively to AI training data and annotation projects.

Entry LevelEnglish

Labeling Experience

No Data Labeling experience added

Danny C. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

U

University of London

Bachelor of Science, Computer Science

Bachelor of Science
2019 - 2023

Work History

G

Ground Control Technology

Lead JavaScript Engineer

London
2024 - Present
T

Tillr Technology

Lead Developer

London
2015 - 2024