Ottis Kelleghan
Associate Partner, Senior Principal Software Engineer
London, England, Ireland
Summary
👤
Senior🎓
Top SchoolOttis Kelleghan is an experienced software leader and senior principal engineer with 11 years building human-centric front-end solutions, now serving as Associate Partner at McKinsey/QuantumBlack in London. He has progressed from hands-on front-end developer to Head of Front End Engineering, leading cross-functional teams and shaping front-end strategy for large enterprises. Ottis blends deep UI engineering craft—React, webpack-era architectures and design sprint collaboration—with people leadership focused on creating happy, high-performing teams. He has a track record of shipping end-to-end products across startups and global organisations (Ticketmaster, Meez) and brings a pragmatic, product-first lens to complex AI-enabled projects. Notably, his background includes award-winning academic achievement and early work that helped secure seed funding for a startup, showing both technical excellence and an ability to influence outcomes beyond code.
11 years of coding experience
15 years of employment as a software developer
1st Class Honours, Computer Science, 1st Class Honours, Computer Science at Dublin Institute of Technology
Stackoverflow
216reputation
175kreached
14answers
0questions
Github Skills (55)
react-forms10
react-component10
kedro10
react10
expressjs9
react-components9
react-component-library9
python9
redux-form9
component-library9
data-visualization9
inferno9
form-validation8
machine-learning8
validation8
Programming languages (3)
Github contributions (5)
ottis/formsy-react
May 2017 - Aug 2017
Contributions:1 push, 1 branch in 3 months
form-inputreactvalidationbuilderreact-js
quantumblacklabs/kedro-ui
Mar 2017 - May 2021
A React component library for building web applications the QuantumBlack way
Contributions:1 review, 233 commits, 8 PRs in 4 years 2 months
react-componentreactweb-applicationskedroreact-component-library
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