Principal Software Engineer · Technical Lead · AI Consultant
Product direction, software architecture, development and AI consulting.
I’m Francesco Petrungaro. I help companies decide what to build, how people should use it and how to build it well. I set product and UX direction with founders, product teams and designers, design the architecture behind it and lead the teams that ship it.
I also help teams use AI in their products and everyday engineering work.
AI-assisted. Human-led.
// Experience
Nearly 20 years in software
Banking and payments, sport, telecoms, energy and consumer products, with more than a decade working in Ireland and the UK.
// Apps
Apps
Products I design, build and publish at Bytes Cove.
Axio. Your finances, kept private.
A net worth tracker for iPhone, iPad, Mac and Apple Watch. I designed and built the product, from its data model and native interfaces to widgets, Siri, Shortcuts and optional iCloud sync.
iPhone · iPad · Mac · Apple Watch · Android coming soon
// Selected work
Selected work
Products I have helped build and teams I have led, from the most recent.
Geo
Native architecture for iPhone, iPad and Mac, with on-device AI and Web3 transactions.
Swift 6 · local-first · Apple Foundation Models · ERC-4337
Formula 1
Mobile architecture and engineering leadership for the official Formula 1 app.
Rebuilt from 2017 · launched 2018 · Apple Editor’s Choice
EE Glastonbury
A festival app built against a deadline that could not move.
Live in 6 weeks · rating 1.2 → 4.8 · DMA Gold
MiXR
Booking, rewards and customer engagement in one mobile product.
Kotlin Multiplatform + iOS/Android · 1M downloads by Oct 2024
// Services
How I can help
From strategy and product direction to hands-on engineering and AI.
01 · strategy
Technical strategy & architecture
Technical roadmaps, architecture reviews and decisions on what to build, improve or replace, agreed with product and engineering on priorities, cost and timing.
02 · product
Product & UX/UI direction
Turning business goals into a product plan: scope, priorities and user flows. I work with designers on UX and UI and review the experience before it ships.
03 · engineering
Software & mobile engineering
Mobile apps for iOS and Android, including Kotlin Multiplatform, plus web and backend services: architecture, performance, data and sync. I lead teams, review code and stay hands-on.
04 · ai
AI consulting & automation
AI features, workflow automation and support for engineering teams. I help define the use case, build the integration and check the results.
// Working together
Bring me into the team or bring me a project.
I work with founders, product teams and engineering leaders. We can start with a strategy or technical review, shape a product together, or plan a longer engagement through Bytes Cove.
strategy
Strategy, architecture and product reviews
build
Mobile, web and backend development, with team leadership
ai
AI integration and workflow automation
// People I’ve worked with
References
“Francesco is an exceptional technician and mobile developer. He has deep expertise in iOS and mobile architectures in general and is also able to solve the hardest problems effectively leading to positive outcomes.”
On top of his exceptional capability, he is great to work with: highly collaborative, leads by example and delivers high quality work under pressure. I would work with Francesco again tomorrow!
Lloyd Tuckey
Head of Technology, Digitas UK
“Francesco is an excellent iOS team lead and it was evident especially when we worked together in the Formula 1 project. He guided the team through complex technical challenges, ensuring that the project was not only completed successfully but also exceeded client expectations.”
Artur Tworzydlo
Mobile Technical Architect, Digitas UK
“I worked with Francesco on a number of high-profile mobile banking projects during his time at both Monitise and IBM. He is an exceptionally talented developer with a very disciplined approach to his work and a great eye for detail.”
Gary McCarville
Delivery Project Executive, IBM
// Writing
Writing
Notes on software, AI and engineering decisions.
What are you working on?
Tell me about the product, the team or the technical question you need help with. Pick the time that suits you.