Available for fractional & interim roles

Mike Llewellyn
CTO & Fractional CTO

Hands-on technology leadership for founders and product teams — 30 years shipping software across health, finance, safety and consumer mobile. Marseille / remote.

Let's talk See the track record

Track Record

Leadership Roles

Calvir Ltd — Doloria

Founder & Engineer

2025 – present · France / UK

Bilingual, mobile-first clinical intake platform for pain centres, built in clinical partnership with Hôpital privé la Casamance.

P360M Mobikats Ltd

Co-Founder & CTO

2010 – present · London / Marseille

Leads technology across the agency: product discovery, roadmaps, architecture, delivery, release governance, client relationships and long-term support.

HaloSOS

CTO

2019 – 2023 · Ireland / USA / Australia

Led technology and product delivery for a personal-safety and mass-notification platform serving customers across three international markets.

Secure Safety

Director

2022 – present · UK

AI safety product connecting existing CCTV infrastructure to real-time alerts — computer vision, operational risk and integration.

Three Goblins Ltd

Co-Founder

2012 – 2021 · London

Created the collectable card game Spellcraft and negotiated the publishing agreement for Power Rangers: UNITE, which reached around 3 million downloads.

How I Work

What I Bring

🧭

Product & technology strategy

Turns commercial and user goals into pragmatic roadmaps, architecture choices and sequenced delivery.

🤝

Founder & fractional leadership

Works closely with CEOs, product leaders, partners and clients; effective in lean, resource-conscious teams.

🏥

HealthTech & regulated data

Clinical SaaS, NHS products, private banking and medical monitoring; GDPR-aware delivery and controlled releases.

🛠️

Hands-on architecture & delivery

From discovery and technical design through implementation, testing, deployment, monitoring and support.

🤖

Applied LLM & agentic delivery

Customer-facing LLM experiences using model APIs, tool calling, context management and agent loops under experienced human review.

📊

Commercial & partner alignment

Senior client relationships, supplier coordination, budgets, publishing agreements and multi-party integrations.

Toolkit: TypeScript · Full-stack web services · Native iOS & Android · Flutter · Angular · Ionic/Capacitor · AWS · Multi-tenant SaaS · GDPR & Cyber Essentials

Hands-on Proof

Products I've Led and Built

Benefit Cosmetics

Benefit Loves: Rewards

Co-Founder & CTO, P360M — technical lead

Loyalty and rewards app for Benefit Cosmetics, helping customers track points, discover offers, and engage with the brand on iOS and Android.

Jan 2022 - Ongoing

iOSAndroidLoyalty

Clarins

Clarins Connect — Beauty Assistant

Co-Founder & CTO, P360M — technical lead

Long-running beauty assistant app empowering Clarins advisors and customers with personalised skincare recommendations and product discovery. Winner of The Drum Agency Business Award.

May 2015 – Jul 2022

Award winneriOSAndroidRetail Tech

Quilter Cheviot

Investment Management Service

Co-Founder & CTO, P360M — technical lead

Secure private-banking app for one of the UK's leading wealth managers, maintained under formal security review, audit and controlled-release requirements.

Dec 2012 – June 2025

iOSAndroidFinTech

Audi

Audi App

Co-Founder & CTO, P360M — technical lead

Native mobile companion app for Audi, delivering connected car features, dealership services, and brand experience on iOS and Android.

Nov 2021 - May 2025

iOSAndroidAutomotive

NHS Direct

NHS Direct Symptom Checker

Co-Founder & CTO, P360M — technical lead

Symptom-checking app for NHS Direct, guiding the public through triage and next steps. Winner of an Appy Award.

Award winneriOSAndroidHealthTech

NCP

NCP Car Park Finder

Co-Founder & CTO, P360M — technical lead

Location-aware car park finder app for NCP, one of the UK's largest parking operators, enabling drivers to find, navigate to, and pre-book spaces.

2012 - 2015

iOSLocation

Ford

Ford Focus App

Co-Founder & CTO, P360M — technical lead

Companion app for the Ford Focus launch, showcasing vehicle features, configurator tools, and dealer contact on iOS.

Mar – Jun 2011

iOSAutomotive

Background

About Me

I've spent 30 years building production software — starting as a senior developer on real-time trading systems, then managing engineering groups in telemedicine and fleet systems, and since 2010 as co-founder and CTO of P360M Mobikats.

I still write production code. What I bring is experienced technical judgement close to founders and product leaders, without losing practical ownership of quality, security, release and long-term operation.

British and French dual national, based in Marseille and working remotely across the UK and EU. BSc Computer Science, University of Exeter.

  • 🇬🇧 EnglishNative
  • 🇫🇷 FrançaisProfessional

Say Hello

Get In Touch

Interested in fractional or interim CTO support, technical due diligence, or founder advisory? Reach out via LinkedIn or email.

LinkedIn Email me