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Michael Cullum

Chief Technology Officer at Bud

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Overview

Michael Cullum serves as Chief Technology Officer at Bud[1][3], a late-Series B fintech company that provides a platform for banks and fintechs to analyze transactional data and generate customer insights[2]. Cullum joined Bud in 2019 as Technical Lead for Platform & Security[6], advancing to Head of Engineering in 2020[5] and VP of Engineering & Data in 2023[4] before assuming the CTO role in 2025[3]. Cullum brings over a decade of technical experience as a software and data engineer and architect, with particular specialization in distributed systems and proficiency in Go, PHP, and Python[2]. Cullum holds a BSc in Computer Science from Queen Mary University of London[11] and a Bachelor of Laws from The Open University[12], and has served as Security Lead for the Symfony Framework since 2018[7].

Profile introduction
Source excerptLinkedIn [2]

Michael Cullum is the CTO at Bud, a late-Series B London Fintech company that produces a platform utilised by top global banks & fintechs to leverage the potential value and power of transactional data to gain a 360 understanding of customers and deliver actionable insights. Prior to leading Engineering & Data at Bud, Michael has an in-depth technical background working as an architect and software & data engineer for over a decade, working particularly with Go, PHP & Python, both commercially and being active in the open-source world. He has particular focuses and specialisms in distributed…

Career history

  1. Chief Technology OfficerApr 2025 to presentBud
  2. VP of Engineering & DataJul 2023 to presentBud
  3. Head Of EngineeringOct 2020 to Aug 2023Bud
  4. Technical Lead - Platform & SecurityFeb 2019 to Oct 2020Bud
  5. Security LeadJan 2018 to presentSymfony Framework
  6. Principal Architect & Lead Software Engineer (Data)Jan 2017 to Jan 2019SamKnows Limited
  7. Core Committee & SecretaryJan 2016 to Jan 2019PHP FIG (Framework Interoperability Group)
  8. Freelance Backend Developer & ConsultantMar 2007 to Jan 2017Freelance

Education

  1. BSc, Computer ScienceQueen Mary University of London
  2. Bachelor of Laws - LLBThe Open University
  3. Sixth Form CollegeMathematics at Farnborough Sixth Form College

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