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Thomas Barker Email & Phone Number

Director @ THE GUY WHO USED TO WORK AT LTD | FinTech, Blockchain, Oracle Certified at THE GUY WHO USED TO WORK AT LTD
Location: London, England, United Kingdom 7 work roles 1 school
1 work email found @theguywhousedtoworkat.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Role
Director @ THE GUY WHO USED TO WORK AT LTD | FinTech, Blockchain, Oracle Certified
Location
London, England, United Kingdom
Company size

Who is Thomas Barker? Overview

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Quick answer

Thomas Barker is listed as Director @ THE GUY WHO USED TO WORK AT LTD | FinTech, Blockchain, Oracle Certified at THE GUY WHO USED TO WORK AT LTD, a company with 2 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at theguywhousedtoworkat.com and a matched LinkedIn profile for Thomas Barker.

Thomas Barker previously worked as Director at The Guy Who Used To Work At Ltd and Head of Blockchain at Pq Solutions. Thomas Barker holds Bsc, Computer Science from University Of Warwick.

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{first}@theguywhousedtoworkat.com
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Profile bio

About Thomas Barker

I am the principal engineer of The Guy Who Used To Work At Ltd, a software development and consulting company that focuses on FinTech and blockchain, particularly Ethereum. I have been working in this role for over eight years, helping client teams in London and across the world.My core competencies are in the architecture and delivery of trust-minimised systems, retail finance, and infrastructure. I have a BSc in Computer Science from the University of Warwick and multiple certifications from Oracle and Sun. I am fluent in English and Swedish. Usually in London, but willing to travel to anywhere interesting!

Listed skills include Java, Xml, J2Ee, Sql Server, and 24 others.

Current workplace

Thomas Barker's current company

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THE GUY WHO USED TO WORK AT LTD
The Guy Who Used To Work At Ltd
Director @ THE GUY WHO USED TO WORK AT LTD | FinTech, Blockchain, Oracle Certified
london, england, united kingdom
Employees
2
AeroLeads page
7 roles

Thomas Barker work experience

A career timeline built from the work history available for this profile.

Director

Current

London, United Kingdom

Employee-owned software development and consulting company. Focus on FinTech and blockchain, particularly Ethereum. Offering services in London and internationally.Past projects include... * Prototyping a video signature solution (forerunner of the "My name is X and I am Z" videos your neobank uses) * Blockchain remittance prototype for a major UK bank *.

Dec 2016 - Present

Head Of Blockchain

Pq Solutions

London, United Kingdom

Architecture and delivery of a DLT PoC to a UK entity. Personally authored the smart contracts. Details under NDA. Directly employed at request of end client.

Jun 2017 - Sep 2017

Hackstar @ Barclays Accelerator

London, United Kingdom

Assisting teams with advice on development, infrastructure and security in FinTech over the program. On-site blockchain expert. Occasional software development in NodeJS.

Mar 2015 - Jun 2015

Senior Software Developer

Hammersmith, London

I have worked on all components of BullionVault’s software and infrastructure, which currently cares for over $2bn of client assets. First outside technologist recruited. Everything from visual Javascript effects to PL/SQL-based settlement accounting. Introduced BullionVault’s European banking facilities and wrote the logic that today handles all of.

Mar 2009 - Nov 2014

Software Development And Infrastructure

Managing and developing a public site for user transactions.Site traffic analysis.Preparing management information.Transaction system supportDatacenter Builds

Apr 2006 - Feb 2008

Summer Analyst

Integrated a J2EE credit risk database reporting system for over-the-counter equity exotics at Morgan Stanley, that served data from Sybase data warehouses. This has given me experience of derivatives, swaps and counter-party risk modelling.

Jul 2004 - Sep 2004

Summer Analyst

Prototyped a currency settlements web interface using ASP.Net with C#, and SOAP web services to access a legacy mainframe system. Later extended into a production system, which helps to manage Morgan Stanley’s FX settlements processing.

Jun 2003 - Sep 2003
1 education record

Thomas Barker education

FAQ

Frequently asked questions about Thomas Barker

Quick answers generated from the profile data available on this page.

What company does Thomas Barker work for?

Thomas Barker works for THE GUY WHO USED TO WORK AT LTD.

What is Thomas Barker's role at THE GUY WHO USED TO WORK AT LTD?

Thomas Barker is listed as Director @ THE GUY WHO USED TO WORK AT LTD | FinTech, Blockchain, Oracle Certified at THE GUY WHO USED TO WORK AT LTD.

What is Thomas Barker's email address?

AeroLeads has found 1 work email signal at @theguywhousedtoworkat.com for Thomas Barker at THE GUY WHO USED TO WORK AT LTD.

Where is Thomas Barker based?

Thomas Barker is based in London, England, United Kingdom while working with THE GUY WHO USED TO WORK AT LTD.

What companies has Thomas Barker worked for?

Thomas Barker has worked for The Guy Who Used To Work At Ltd, Pq Solutions, Techstars, Bullionvault, and Zopa Ltd.

Who are Thomas Barker's colleagues at THE GUY WHO USED TO WORK AT LTD?

Thomas Barker's colleagues at THE GUY WHO USED TO WORK AT LTD include Bob The Guy.

How can I contact Thomas Barker?

You can use AeroLeads to view verified contact signals for Thomas Barker at THE GUY WHO USED TO WORK AT LTD, including work email, phone, and LinkedIn data when available.

What schools did Thomas Barker attend?

Thomas Barker holds Bsc, Computer Science from University Of Warwick.

What skills is Thomas Barker known for?

Thomas Barker is listed with skills including Java, Xml, J2Ee, Sql Server, Hibernate, Php, Spring, and Sql.

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