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
C/00 // OPERATOR REC. 39765499
Dan Barclay
GH/UID 39765499
STATUS ACTIVE
NODE LON · 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 +
GH / CONTRIB · 12M
0
APP DOWNLOADS
0 +
LIVE ----.--.-- / --:--:-- UTC LAT 51.5074°N · LON 0.1278°W
C/01 // SIGNAL · LAST 12M 8,728 EVENTS

ACTIVITY / TRACE

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

SCALE / 1d WINDOW / 12M SRC / GH.barclayd
MONWEDFRIJUNJULAUGSEPOCTNOVDECJANFEBMARAPRMAY
LOW
HIGH
TOTAL · 12M
0
AVG · DAY
0.0
PEAK · 1d
0
STREAK · MAX
0d
SOURCE / GITHUB github.com/barclayd
C/02 // TRANSMISSIONS · 5 SIGNALS OUTBOUND

SELECTED / WORK

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

EACH = WEEKLY COMMITS · REPO LIFETIME
C/01
KEEPFRESH / IOS

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

COMMITS
0
WINDOW
2024–26
LAST
23 DAYS AGO
↗ github.com/barclayd/keepfresh-ios
CMT/T·WEEKLY Swift
400COMMITS/WKDECMAYOCTMAR
C/02
PROMPTLY

This template demonstrates React Server Components with React Router.

COMMITS
0
WINDOW
2025–26
LAST
TODAY
↗ github.com/barclayd/promptly
CMT/T·WEEKLY TypeScript
860COMMITS/WKNOVJANMARMAY
C/03
KEEPFRESH / API

API to power KeepFresh mobile app

COMMITS
0
WINDOW
2024–25
LAST
5 MONTHS AGO
↗ github.com/barclayd/keepfresh-api
CMT/T·WEEKLY TypeScript
420COMMITS/WKDECMAYOCTMAR
C/04
PROMPTLY / PACKAGE

TypeScript SDK for the Promptly CMS API.

COMMITS
0
WINDOW
2026
LAST
1 MONTHS AGO
↗ github.com/barclayd/promptly-package
CMT/T·WEEKLY TypeScript
620COMMITS/WKMARAPRMAY
C/05
ADVENT OF CODE / 2025

Solutions for Advent of Code 2025 written in Rust 🦀

COMMITS
0
WINDOW
2025
LAST
5 MONTHS AGO
↗ github.com/barclayd/advent-of-code-2025
CMT/T·WEEKLY Rust
370COMMITS/WKDECFEBAPR
C/03 // COMMS · OUTBOUND CHANNELS OPEN

ESTABLISH / CONTACT

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

RESPONSE WINDOW · 24–72H
GITHUB GH/barclayd
TWITTER · X X/danielbarclay
LINKEDIN LI/barclayd
EMAIL MAIL/barclaysd@me.com
BUILD 8f18d0e DEPLOYED 2026.06.04 07:49 UTC ABOUT DAN BARCLAY