James Tuckett
London, England, United Kingdom
Technical founder · ex-Summer.fi
Experience
Independent Ventures
Nov 2025 — Jun 2026Technical Founder
- At Open, designed the architecture for tokenised US equities backed 1:1 by real-world broker positions at Alpaca (a US Broker Dealer).
- At Handover, built a valuation engine fed by a chat experience, UK marketplace for SMB acquisitions seeded from Companies House data, including a data pipeline with agent built on Claude Agent SDK.
- Neither were capable of being taken further, due to market conditions/competition (Open) and marketplace issues (reluctant supply side re Handover).
Summer.fi
Apr 2022 — Dec 2025Blockchain Engineer
- Co-lead engineer and architect of the Lazy Summer Protocol - thousands of users and $200M TVL across 5+ chains.
- Led the governance layer of the protocol and supported the core protocol contracts; audited by ChainSecurity.
TechTree
Jan 2020 — Apr 2022CTO, Co-founder
- Built the platform from scratch and led engineering as technical co-founder.
- Secured pre-seed funding and helped grow the business to £50k+ MRR.
Advent International
Dec 2019 — Aug 2020Senior Software Engineer
Part of an elite team of ex-FAANG engineers building the private people network — an internal LinkedIn for Advent personnel.
comparethemarket.com
Jan 2019 — Nov 2019Software Engineer
The Bank of London
Mar 2018 — Jan 2019Product Director
Worked with SAP and the PRA/FCA to build a brand new digital clearing bank headquartered in London.
Point
Sep 2016 — Sep 2018Software Engineer & Product
Clients incl. MakerDAO, Lloyd's of London, Deutsche Bank, MoneyTailor, Vanquis Bank and more.
investUP
Oct 2012 — Jul 2016CEO, Founder
- Founded an investment service for the peer-to-peer lending space; raised seed capital and grew to £1M+ AUM.
- Sold the business to a P2P lending platform in 2016.
Hazlewoods
Jan 2011 — Oct 2012Chartered Accountant
Education
University of the West of England
2006 — 2009Aerospace Systems Engineering
Cambridge Spark
2019 — 2019Data Science
Scrum Alliance
2016 — 2016Certified Product Owner, Product Management
Awards
Highest UX Score
Top 25 Fintech Company In The World
The World's Next 10 Big Fintech Stars — Forbes, 2014 (investUP; selected from 400+ fintechs by Startupbootcamp FinTech)