Harry Grumbar
CTO & Co-Founder at Matchhaus
Stony Stratford, England, United Kingdom
Summary
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Senior🎓
Top SchoolHarry Grumbar is a product-focused CTO and co-founder with 11 years of hands-on experience building full-stack, testable systems and shipping customer-facing products. He champions functional programming and predictable code, applying those principles to model complex backend domains and improve maintainability across services. At Bulb and other fast-growth teams he helped design payment, authentication and automation systems serving millions, and at Matchhaus he turned a side project into a sustainable, revenue-generating sports network with thousands of active users. Comfortable leading small agile squads, he combines backlog prioritisation and mentoring with deep technical ownership—from APIs and data reconciliation to accessible front-end experiences. Based in the UK, he brings an engineering mindset shaped by an MEng and a track record of turning product-first ideas into reliable, production-grade software.
11 years of coding experience
8 years of employment as a software developer
Master of Engineering - MEng, Civil Engineering, Master of Engineering - MEng, Civil Engineering at University of Bristol
Stackoverflow
23,729reputation
3.8mreached
62answers
255questions
sql
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mysql
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sql-insert
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php
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laravel
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javascript
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Github Skills (200)
realtime10
laravel10
exchange10
minifier10
elixir10
typescript10
urql10
vue10
css10
php10
laravel-framework10
javascript9
jquery9
validation9
sql9
Programming languages (11)
Github contributions (5)
harrygr/aoc
Dec 2020 - Dec 2024
Contributions:21 pushes, 3 branches in 4 years
harrygr/samarkand-2
Mar 2015 - Jun 2023
Contributions:43 pushes, 1 branch, 4 issues in 8 years 4 months
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