Crew manifest

James Kirkham.

Founder & Full-Stack Engineer

Consumer apps · 0→millions

Crew 1 — does everything

Selected Work

SelfQuest

01 · 2024 · Gamified Fitness

A gamified fitness tracker that turns workouts into a game. Solo-founded and solo-built to 1.3M+ downloads and 100K daily active users.

  • 1.3M+ Downloads
  • 100K Daily Users
  • Flutter
  • C#
  • Azure

SelfAware

02 · 2025 · AI Life OS

An AI-first concierge and life OS — agentic AI, retrieval-augmented memory, and real-time streaming.

  • Agentic AI Life OS
  • React Native
  • Supabase
  • OpenAI

SelfGrow

03 · 2025 · Habit-Breaking iOS

An offline-first habit-breaking app with social accountability and group challenges.

  • iOS SwiftUI · Offline
  • SwiftUI
  • Supabase

Nuremi

04 · 2025 · AI Concierge · Maps

An AI-powered concierge with an interactive, mapped view of the world around you.

  • React Native
  • Supabase

Xuabelle

05 · 2024 · Web · Concept

A concept jewellery storefront — refined, editorial, and fast.

  • Web

Capabilities

06 · What I build with

Mobile

  • Flutter
  • Swift
  • React Native
  • Dart
  • Kotlin

Backend · Data

  • C#
  • .NET
  • Azure
  • Supabase
  • SQL
  • Node
  • Python

Web

  • React
  • Next.js
  • TypeScript
  • JavaScript

Tools

  • Git
  • Docker
  • AWS
  • Vercel
  • Firebase
  • PostHog

Experience

07 · Where I've worked

  • Product Engineer — Allied · Defence Mfg. (2026 — Now)
  • Founder & Lead Engineer — Self Platform (2024 — Now)
  • Lead Engineer & Consultant — Nuremi (2025 — 2026)
  • Founders University — Accelerator · $25K offer (2024 — 2025)
  • Full-Stack Engineer — Siemens (2022 — 2024)
  • Apprentice Engineer — J2 Innovations (2021 — 2022)

Allied

08 · Product Engineer · Defence

Product Engineer in defence manufacturing — taking hardware from spec to production. Precision tolerances, ruggedised systems, and design-for-manufacture on real metal: where software discipline meets the factory floor.

Milestones

09 · Selected wins

  • 1.3M+ downloads
  • 100K daily active users
  • Featured — TechTudo
  • Founders Uni — $25K offer (2.5%)
  • Solo-founded · solo-built
Comms · open channel

I build and scale consumer apps from zero to millions of users — solo‑founded, solo‑built.

james.kirkham00@gmail.com