John Ruffle in

John Ruffle

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Co-founder and CTO at Florin21
📍 London Area, United Kingdom

John is the Co-founder and CTO of Florin21, an engineering leader with a background building scalable mobile and enterprise software. His experience includes roles as an Engineering Manager at Depop and CTO at Focus Mobile Ltd. He holds a Bachelors Degree from Queen Mary University of London.

His work in Nigeria involved architecting large-scale web solutions for massive audiences at market-sensitive prices.

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Experience
18 Years
Current Role
Co-founder and CTO
Job Level
Leadership
Location
London Area, United Kingdom
Personality Overview

How John shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics John cares about

Scalable Systems
His career focuses on building scalable consumer and enterprise software systems, as highlighted in his professional headline and past roles.
Engineering Leadership
Has extensive experience leading and managing cross-functional engineering teams as a CTO, Engineering Manager, and Director.
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Career

Work history

2024
Co-founder and CTO
Florin21
4-2021 - 7-2023
CTO
Focus Mobile Ltd
2018 - 2021
Engineering Manager
Depop
5-2015 - 9-2019
Director Technical Support
Ventra Media Group
2011 - 2015
Senior Software Engineer Technical Lead
Genestack
In the press

Media appearances

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Education
1994 - 1998
Bachelor's Degree
Queen Mary University of London
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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