Roja Buck
Co-founder at Rational Partners
South Hams, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolRoja Buck is a technology leader and co-founder with 16 years' experience helping investors and founders assess, fix, and scale SaaS and platform businesses across fintech, healthtech, edtech, and e-commerce. She combines hands-on engineering (from scaling Just Eat's international platforms to stepping into failing codebases as interim CTO) with board-level fluency in commercial risk, regulatory compliance, and product strategy. At Rational Partners she co-created the 5P due-diligence framework and an AI-native Insights platform that embeds LLMs into assessment workflows, turning audits into repeatable fractional CTO engagements. Her background in AI and robotics from Bristol and a first in Computer Science from St Andrews gives her a rare mix of research grounding and practical LLM implementation experience. Clients repeatedly re-engage her for both turnaround leadership and AI strategy, reflecting a focus on deliverable outcomes rather than theoretical change. Based in the South Hams, she is equally comfortable in the codebase or the boardroom, and she routinely translates technical complexity into investable, post-deal roadmaps.
16 years of coding experience
14 years of employment as a software developer
BSc, Computer Science, BSc, Computer Science at University of AberdeenBSc, Computer Science, BSc, Computer Science at University of St AndrewsPostgraduate Research, AI and Robotics, Postgraduate Research, AI and Robotics at University of Bristol
Stackoverflow
2,354reputation
165kreached
51answers
19questions
Github Skills (200)
api9
database9
windows9
rest-api9
cordova9
redis9
ios9
hateoas9
android9
marketplace9
ocean8
spree8
swift8
currency8
spreadsheet8
Programming languages (13)
Github contributions (5)
roja/words
Jan 2010 - Sep 2012
Contributions:98 commits in 2 years 8 months
roja/roja.github.io
Apr 2020 - Mar 2023
Contributions:3 pushes in 2 years 11 months
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