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 - KeepFresh, an iOS app working to end food waste for good, with 77,000+ downloads - Stitch, a free web app that combines split Strava rides into one activity - and On Air, a free-forever Wispr Flow alternative for Mac. 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
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GITHUB / 12M
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LIVE----.--.-- / --:--:-- UTCLAT 51.5074°N · LON 0.1278°W
SHOWREEL00:30 · 1080P60

THIRTY / SECONDS

WHAT I BUILD, IN MOTION - PROMPTLY, KEEPFRESH AND STITCH.

A 30-second motion graphics showreel introducing Dan Barclay and the three products he builds: Promptly, the CMS for AI prompts; KeepFresh, the iOS app for ending food waste; and Stitch, which merges split Strava rides into one activity.

NOW / 00 INTROTC 00:00:00:00OPEN / ABOUT
GITHUB CONTRIBUTIONS13,557 EVENTS

ACTIVITY

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

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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
21 DAYS 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
3 DAYS AGO
↗github.com/barclayd/promptly
COMMITS · WEEKLYTypeScript
860COMMITS/WKNOVFEBMAYAUG
03
KEEPFRESH / API

API to power KeepFresh mobile app

COMMITS
0
WINDOW
2024–26
LAST
21 DAYS 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
21 DAYS AGO
↗github.com/barclayd/promptly-package
COMMITS · WEEKLYTypeScript
620COMMITS/WKMARMAYJULSEPT
05
STITCH

Combine your Strava activities in seconds.

COMMITS
0
WINDOW
2026
LAST
1 DAY AGO
↗github.com/barclayd/strava-stitch
COMMITS · WEEKLYTypeScript
620COMMITS/WKOCT
06
ON AIR

A native macOS dictation app with the visual design from the supplied On Air film.

COMMITS
0
WINDOW
2026
LAST
TODAY
↗github.com/barclayd/on-air
COMMITS · WEEKLYSwift
460COMMITS/WKOCT
07
ADVENT OF CODE / 2025

Solutions for Advent of Code 2025 written in Rust 🦀

COMMITS
0
WINDOW
2025
LAST
10 MONTHS AGO
↗github.com/barclayd/advent-of-code-2025
COMMITS · WEEKLYRust
370COMMITS/WKDECMARJUNSEPT
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 3509dffDEPLOYED 2026.10.19 11:29 UTCABOUT DAN BARCLAY