Dan Barclay is an engineering leader and founder based in London, United Kingdom. He has 10+ years of experience building product and AI experiences for millions of users, and is focused on building Promptly - the CMS powering the next wave of AI development, used in production by 100+ companies - and KeepFresh, an iOS app working to end food waste for good, with 77,000+ downloads. He is not affiliated with the BMO Capital Markets executive of the same name.

DANBARCLAY.DEV
PORTFOLIO
Dan Barclay
GITHUBbarclayd
STATUSACTIVE
BASEDLON · 51.5N
PROFILE · ONLINE

Dan
Barclay

ENGINEERING LEAD/LONDON

Engineering leader, full-stack product engineer and founder with 10+ years of experience crafting software that delivers magical user experiences.

STACK /TypeScript·React·Node·Python·Rust·Swift·LLMs·MCP
YRS / CODING
0+
USERS / REACHED
0+
GITHUB / 12M
0
APP DOWNLOADS
0+
LIVE----.--.-- / --:--:-- UTCLAT 51.5074°N · LON 0.1278°W
GITHUB CONTRIBUTIONS10,940 EVENTS

ACTIVITY

A LIVE RHYTHM OF HOW I WORK - PULLED DIRECTLY FROM GITHUB.

SCALE / 1dWINDOW / 12MSRC / GH.barclayd
MONWEDFRIAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNJULAUG
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TOTAL · 12M
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SOURCE / GITHUBgithub.com/barclayd
PROJECTS

SELECTED / WORK

SIDE PROJECTS, PRODUCTS AND EXPERIMENTS I'VE SHIPPED PUBLICLY.

EACH = WEEKLY COMMITS · REPO LIFETIME
01
KEEPFRESH / IOS

A modern iOS app for managing grocery inventory and tracking food expiration dates.

COMMITS
0
WINDOW
2024–26
LAST
3 MONTHS AGO
↗github.com/barclayd/keepfresh-ios
COMMITS · WEEKLYSwift
400COMMITS/WKDECJUNDECJUN
02
PROMPTLY

This template demonstrates React Server Components with React Router.

COMMITS
0
WINDOW
2025–26
LAST
2 MONTHS AGO
↗github.com/barclayd/promptly
COMMITS · WEEKLYTypeScript
860COMMITS/WKNOVFEBMAYAUG
03
KEEPFRESH / API

API to power KeepFresh mobile app

COMMITS
0
WINDOW
2024–25
LAST
8 MONTHS AGO
↗github.com/barclayd/keepfresh-api
COMMITS · WEEKLYTypeScript
420COMMITS/WKDECJUNDECJUN
04
PROMPTLY / PACKAGE

TypeScript SDK for the Promptly CMS API.

COMMITS
0
WINDOW
2026
LAST
2 MONTHS AGO
↗github.com/barclayd/promptly-package
COMMITS · WEEKLYTypeScript
620COMMITS/WKMARMAYJUL
05
ADVENT OF CODE / 2025

Solutions for Advent of Code 2025 written in Rust 🦀

COMMITS
0
WINDOW
2025
LAST
8 MONTHS AGO
↗github.com/barclayd/advent-of-code-2025
COMMITS · WEEKLYRust
370COMMITS/WKDECMARJUN
CONTACT

CONTACT

MOTIVATED BY HARD PROBLEMS AND THE PEOPLE DRIVEN TO SOLVE THEM.

RESPONSE WINDOW · 24–72H
GITHUBGH/barclayd
TWITTER · XX/danielbarclay
LINKEDINLI/barclayd
EMAILMAIL/barclaysd@me.com
BUILD 914de34DEPLOYED 2026.09.04 10:07 UTCABOUT DAN BARCLAY