James Tuckett

James Tuckett

London, England, United Kingdom

Technical founder · ex-Summer.fi

Experience

Independent Ventures

Nov 2025Jun 2026

Technical 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 2022Dec 2025

Blockchain 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 2020Apr 2022

CTO, 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 2019Aug 2020

Senior 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 2019Nov 2019

Software Engineer

The Bank of London

Mar 2018Jan 2019

Product Director

Worked with SAP and the PRA/FCA to build a brand new digital clearing bank headquartered in London.

Point

Sep 2016Sep 2018

Software Engineer & Product

Clients incl. MakerDAO, Lloyd's of London, Deutsche Bank, MoneyTailor, Vanquis Bank and more.

investUP

Oct 2012Jul 2016

CEO, 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 2011Oct 2012

Chartered Accountant

Education

University of the West of England

20062009

Aerospace Systems Engineering

Cambridge Spark

20192019

Data Science

Scrum Alliance

20162016

Certified 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)